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Source file src/github.com/google/go-github/v47/github/github_test.go

Documentation: github.com/google/go-github/v47/github

     1  // Copyright 2013 The go-github AUTHORS. All rights reserved.
     2  //
     3  // Use of this source code is governed by a BSD-style
     4  // license that can be found in the LICENSE file.
     5  
     6  package github
     7  
     8  import (
     9  	"context"
    10  	"encoding/json"
    11  	"errors"
    12  	"fmt"
    13  	"io/ioutil"
    14  	"net/http"
    15  	"net/http/httptest"
    16  	"net/url"
    17  	"os"
    18  	"path"
    19  	"reflect"
    20  	"strings"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/google/go-cmp/cmp"
    25  )
    26  
    27  const (
    28  	// baseURLPath is a non-empty Client.BaseURL path to use during tests,
    29  	// to ensure relative URLs are used for all endpoints. See issue #752.
    30  	baseURLPath = "/api-v3"
    31  )
    32  
    33  // setup sets up a test HTTP server along with a github.Client that is
    34  // configured to talk to that test server. Tests should register handlers on
    35  // mux which provide mock responses for the API method being tested.
    36  func setup() (client *Client, mux *http.ServeMux, serverURL string, teardown func()) {
    37  	// mux is the HTTP request multiplexer used with the test server.
    38  	mux = http.NewServeMux()
    39  
    40  	// We want to ensure that tests catch mistakes where the endpoint URL is
    41  	// specified as absolute rather than relative. It only makes a difference
    42  	// when there's a non-empty base URL path. So, use that. See issue #752.
    43  	apiHandler := http.NewServeMux()
    44  	apiHandler.Handle(baseURLPath+"/", http.StripPrefix(baseURLPath, mux))
    45  	apiHandler.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
    46  		fmt.Fprintln(os.Stderr, "FAIL: Client.BaseURL path prefix is not preserved in the request URL:")
    47  		fmt.Fprintln(os.Stderr)
    48  		fmt.Fprintln(os.Stderr, "\t"+req.URL.String())
    49  		fmt.Fprintln(os.Stderr)
    50  		fmt.Fprintln(os.Stderr, "\tDid you accidentally use an absolute endpoint URL rather than relative?")
    51  		fmt.Fprintln(os.Stderr, "\tSee https://github.com/google/go-github/issues/752 for information.")
    52  		http.Error(w, "Client.BaseURL path prefix is not preserved in the request URL.", http.StatusInternalServerError)
    53  	})
    54  
    55  	// server is a test HTTP server used to provide mock API responses.
    56  	server := httptest.NewServer(apiHandler)
    57  
    58  	// client is the GitHub client being tested and is
    59  	// configured to use test server.
    60  	client = NewClient(nil)
    61  	url, _ := url.Parse(server.URL + baseURLPath + "/")
    62  	client.BaseURL = url
    63  	client.UploadURL = url
    64  
    65  	return client, mux, server.URL, server.Close
    66  }
    67  
    68  // openTestFile creates a new file with the given name and content for testing.
    69  // In order to ensure the exact file name, this function will create a new temp
    70  // directory, and create the file in that directory. It is the caller's
    71  // responsibility to remove the directory and its contents when no longer needed.
    72  func openTestFile(name, content string) (file *os.File, dir string, err error) {
    73  	dir, err = ioutil.TempDir("", "go-github")
    74  	if err != nil {
    75  		return nil, dir, err
    76  	}
    77  
    78  	file, err = os.OpenFile(path.Join(dir, name), os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
    79  	if err != nil {
    80  		return nil, dir, err
    81  	}
    82  
    83  	fmt.Fprint(file, content)
    84  
    85  	// close and re-open the file to keep file.Stat() happy
    86  	file.Close()
    87  	file, err = os.Open(file.Name())
    88  	if err != nil {
    89  		return nil, dir, err
    90  	}
    91  
    92  	return file, dir, err
    93  }
    94  
    95  func testMethod(t *testing.T, r *http.Request, want string) {
    96  	t.Helper()
    97  	if got := r.Method; got != want {
    98  		t.Errorf("Request method: %v, want %v", got, want)
    99  	}
   100  }
   101  
   102  type values map[string]string
   103  
   104  func testFormValues(t *testing.T, r *http.Request, values values) {
   105  	t.Helper()
   106  	want := url.Values{}
   107  	for k, v := range values {
   108  		want.Set(k, v)
   109  	}
   110  
   111  	r.ParseForm()
   112  	if got := r.Form; !cmp.Equal(got, want) {
   113  		t.Errorf("Request parameters: %v, want %v", got, want)
   114  	}
   115  }
   116  
   117  func testHeader(t *testing.T, r *http.Request, header string, want string) {
   118  	t.Helper()
   119  	if got := r.Header.Get(header); got != want {
   120  		t.Errorf("Header.Get(%q) returned %q, want %q", header, got, want)
   121  	}
   122  }
   123  
   124  func testURLParseError(t *testing.T, err error) {
   125  	t.Helper()
   126  	if err == nil {
   127  		t.Errorf("Expected error to be returned")
   128  	}
   129  	if err, ok := err.(*url.Error); !ok || err.Op != "parse" {
   130  		t.Errorf("Expected URL parse error, got %+v", err)
   131  	}
   132  }
   133  
   134  func testBody(t *testing.T, r *http.Request, want string) {
   135  	t.Helper()
   136  	b, err := ioutil.ReadAll(r.Body)
   137  	if err != nil {
   138  		t.Errorf("Error reading request body: %v", err)
   139  	}
   140  	if got := string(b); got != want {
   141  		t.Errorf("request Body is %s, want %s", got, want)
   142  	}
   143  }
   144  
   145  // Test whether the marshaling of v produces JSON that corresponds
   146  // to the want string.
   147  func testJSONMarshal(t *testing.T, v interface{}, want string) {
   148  	t.Helper()
   149  	// Unmarshal the wanted JSON, to verify its correctness, and marshal it back
   150  	// to sort the keys.
   151  	u := reflect.New(reflect.TypeOf(v)).Interface()
   152  	if err := json.Unmarshal([]byte(want), &u); err != nil {
   153  		t.Errorf("Unable to unmarshal JSON for %v: %v", want, err)
   154  	}
   155  	w, err := json.Marshal(u)
   156  	if err != nil {
   157  		t.Errorf("Unable to marshal JSON for %#v", u)
   158  	}
   159  
   160  	// Marshal the target value.
   161  	j, err := json.Marshal(v)
   162  	if err != nil {
   163  		t.Errorf("Unable to marshal JSON for %#v", v)
   164  	}
   165  
   166  	if string(w) != string(j) {
   167  		t.Errorf("json.Marshal(%q) returned %s, want %s", v, j, w)
   168  	}
   169  }
   170  
   171  // Test how bad options are handled. Method f under test should
   172  // return an error.
   173  func testBadOptions(t *testing.T, methodName string, f func() error) {
   174  	t.Helper()
   175  	if methodName == "" {
   176  		t.Error("testBadOptions: must supply method methodName")
   177  	}
   178  	if err := f(); err == nil {
   179  		t.Errorf("bad options %v err = nil, want error", methodName)
   180  	}
   181  }
   182  
   183  // Test function under NewRequest failure and then s.client.Do failure.
   184  // Method f should be a regular call that would normally succeed, but
   185  // should return an error when NewRequest or s.client.Do fails.
   186  func testNewRequestAndDoFailure(t *testing.T, methodName string, client *Client, f func() (*Response, error)) {
   187  	t.Helper()
   188  	if methodName == "" {
   189  		t.Error("testNewRequestAndDoFailure: must supply method methodName")
   190  	}
   191  
   192  	client.BaseURL.Path = ""
   193  	resp, err := f()
   194  	if resp != nil {
   195  		t.Errorf("client.BaseURL.Path='' %v resp = %#v, want nil", methodName, resp)
   196  	}
   197  	if err == nil {
   198  		t.Errorf("client.BaseURL.Path='' %v err = nil, want error", methodName)
   199  	}
   200  
   201  	client.BaseURL.Path = "/api-v3/"
   202  	client.rateLimits[0].Reset.Time = time.Now().Add(10 * time.Minute)
   203  	resp, err = f()
   204  	if bypass := resp.Request.Context().Value(bypassRateLimitCheck); bypass != nil {
   205  		return
   206  	}
   207  	if want := http.StatusForbidden; resp == nil || resp.Response.StatusCode != want {
   208  		if resp != nil {
   209  			t.Errorf("rate.Reset.Time > now %v resp = %#v, want StatusCode=%v", methodName, resp.Response, want)
   210  		} else {
   211  			t.Errorf("rate.Reset.Time > now %v resp = nil, want StatusCode=%v", methodName, want)
   212  		}
   213  	}
   214  	if err == nil {
   215  		t.Errorf("rate.Reset.Time > now %v err = nil, want error", methodName)
   216  	}
   217  }
   218  
   219  // Test that all error response types contain the status code.
   220  func testErrorResponseForStatusCode(t *testing.T, code int) {
   221  	t.Helper()
   222  	client, mux, _, teardown := setup()
   223  	defer teardown()
   224  
   225  	mux.HandleFunc("/repos/o/r/hooks", func(w http.ResponseWriter, r *http.Request) {
   226  		testMethod(t, r, "GET")
   227  		w.WriteHeader(code)
   228  	})
   229  
   230  	ctx := context.Background()
   231  	_, _, err := client.Repositories.ListHooks(ctx, "o", "r", nil)
   232  
   233  	switch e := err.(type) {
   234  	case *ErrorResponse:
   235  	case *RateLimitError:
   236  	case *AbuseRateLimitError:
   237  		if code != e.Response.StatusCode {
   238  			t.Error("Error response does not contain status code")
   239  		}
   240  	default:
   241  		t.Error("Unknown error response type")
   242  	}
   243  }
   244  
   245  func TestNewClient(t *testing.T) {
   246  	c := NewClient(nil)
   247  
   248  	if got, want := c.BaseURL.String(), defaultBaseURL; got != want {
   249  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   250  	}
   251  	if got, want := c.UserAgent, defaultUserAgent; got != want {
   252  		t.Errorf("NewClient UserAgent is %v, want %v", got, want)
   253  	}
   254  
   255  	c2 := NewClient(nil)
   256  	if c.client == c2.client {
   257  		t.Error("NewClient returned same http.Clients, but they should differ")
   258  	}
   259  }
   260  
   261  func TestClient(t *testing.T) {
   262  	c := NewClient(nil)
   263  	c2 := c.Client()
   264  	if c.client == c2 {
   265  		t.Error("Client returned same http.Client, but should be different")
   266  	}
   267  }
   268  
   269  func TestNewEnterpriseClient(t *testing.T) {
   270  	baseURL := "https://custom-url/api/v3/"
   271  	uploadURL := "https://custom-upload-url/api/uploads/"
   272  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   273  	if err != nil {
   274  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   275  	}
   276  
   277  	if got, want := c.BaseURL.String(), baseURL; got != want {
   278  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   279  	}
   280  	if got, want := c.UploadURL.String(), uploadURL; got != want {
   281  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   282  	}
   283  }
   284  
   285  func TestNewEnterpriseClient_addsTrailingSlashToURLs(t *testing.T) {
   286  	baseURL := "https://custom-url/api/v3"
   287  	uploadURL := "https://custom-upload-url/api/uploads"
   288  	formattedBaseURL := baseURL + "/"
   289  	formattedUploadURL := uploadURL + "/"
   290  
   291  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   292  	if err != nil {
   293  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   294  	}
   295  
   296  	if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
   297  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   298  	}
   299  	if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
   300  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   301  	}
   302  }
   303  
   304  func TestNewEnterpriseClient_addsEnterpriseSuffixToURLs(t *testing.T) {
   305  	baseURL := "https://custom-url/"
   306  	uploadURL := "https://custom-upload-url/"
   307  	formattedBaseURL := baseURL + "api/v3/"
   308  	formattedUploadURL := uploadURL + "api/uploads/"
   309  
   310  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   311  	if err != nil {
   312  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   313  	}
   314  
   315  	if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
   316  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   317  	}
   318  	if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
   319  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   320  	}
   321  }
   322  
   323  func TestNewEnterpriseClient_addsEnterpriseSuffixAndTrailingSlashToURLs(t *testing.T) {
   324  	baseURL := "https://custom-url"
   325  	uploadURL := "https://custom-upload-url"
   326  	formattedBaseURL := baseURL + "/api/v3/"
   327  	formattedUploadURL := uploadURL + "/api/uploads/"
   328  
   329  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   330  	if err != nil {
   331  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   332  	}
   333  
   334  	if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
   335  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   336  	}
   337  	if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
   338  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   339  	}
   340  }
   341  
   342  func TestNewEnterpriseClient_badBaseURL(t *testing.T) {
   343  	baseURL := "bogus\nbase\nURL"
   344  	uploadURL := "https://custom-upload-url/api/uploads/"
   345  	if _, err := NewEnterpriseClient(baseURL, uploadURL, nil); err == nil {
   346  		t.Fatal("NewEnterpriseClient returned nil, expected error")
   347  	}
   348  }
   349  
   350  func TestNewEnterpriseClient_badUploadURL(t *testing.T) {
   351  	baseURL := "https://custom-url/api/v3/"
   352  	uploadURL := "bogus\nupload\nURL"
   353  	if _, err := NewEnterpriseClient(baseURL, uploadURL, nil); err == nil {
   354  		t.Fatal("NewEnterpriseClient returned nil, expected error")
   355  	}
   356  }
   357  
   358  func TestNewEnterpriseClient_URLHasExistingAPIPrefix_AddTrailingSlash(t *testing.T) {
   359  	baseURL := "https://api.custom-url"
   360  	uploadURL := "https://api.custom-upload-url"
   361  	formattedBaseURL := baseURL + "/"
   362  	formattedUploadURL := uploadURL + "/"
   363  
   364  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   365  	if err != nil {
   366  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   367  	}
   368  
   369  	if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
   370  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   371  	}
   372  	if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
   373  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   374  	}
   375  }
   376  
   377  func TestNewEnterpriseClient_URLHasExistingAPIPrefixAndTrailingSlash(t *testing.T) {
   378  	baseURL := "https://api.custom-url/"
   379  	uploadURL := "https://api.custom-upload-url/"
   380  
   381  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   382  	if err != nil {
   383  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   384  	}
   385  
   386  	if got, want := c.BaseURL.String(), baseURL; got != want {
   387  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   388  	}
   389  	if got, want := c.UploadURL.String(), uploadURL; got != want {
   390  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   391  	}
   392  }
   393  
   394  func TestNewEnterpriseClient_URLHasAPISubdomain_AddTrailingSlash(t *testing.T) {
   395  	baseURL := "https://catalog.api.custom-url"
   396  	uploadURL := "https://catalog.api.custom-upload-url"
   397  	formattedBaseURL := baseURL + "/"
   398  	formattedUploadURL := uploadURL + "/"
   399  
   400  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   401  	if err != nil {
   402  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   403  	}
   404  
   405  	if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
   406  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   407  	}
   408  	if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
   409  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   410  	}
   411  }
   412  
   413  func TestNewEnterpriseClient_URLHasAPISubdomainAndTrailingSlash(t *testing.T) {
   414  	baseURL := "https://catalog.api.custom-url/"
   415  	uploadURL := "https://catalog.api.custom-upload-url/"
   416  
   417  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   418  	if err != nil {
   419  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   420  	}
   421  
   422  	if got, want := c.BaseURL.String(), baseURL; got != want {
   423  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   424  	}
   425  	if got, want := c.UploadURL.String(), uploadURL; got != want {
   426  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   427  	}
   428  }
   429  
   430  func TestNewEnterpriseClient_URLIsNotAProperAPISubdomain_addsEnterpriseSuffixAndSlash(t *testing.T) {
   431  	baseURL := "https://cloud-api.custom-url"
   432  	uploadURL := "https://cloud-api.custom-upload-url"
   433  	formattedBaseURL := baseURL + "/api/v3/"
   434  	formattedUploadURL := uploadURL + "/api/uploads/"
   435  
   436  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   437  	if err != nil {
   438  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   439  	}
   440  
   441  	if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
   442  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   443  	}
   444  	if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
   445  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   446  	}
   447  }
   448  
   449  func TestNewEnterpriseClient_URLIsNotAProperAPISubdomain_addsEnterpriseSuffix(t *testing.T) {
   450  	baseURL := "https://cloud-api.custom-url/"
   451  	uploadURL := "https://cloud-api.custom-upload-url/"
   452  	formattedBaseURL := baseURL + "api/v3/"
   453  	formattedUploadURL := uploadURL + "api/uploads/"
   454  
   455  	c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
   456  	if err != nil {
   457  		t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
   458  	}
   459  
   460  	if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
   461  		t.Errorf("NewClient BaseURL is %v, want %v", got, want)
   462  	}
   463  	if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
   464  		t.Errorf("NewClient UploadURL is %v, want %v", got, want)
   465  	}
   466  }
   467  
   468  // Ensure that length of Client.rateLimits is the same as number of fields in RateLimits struct.
   469  func TestClient_rateLimits(t *testing.T) {
   470  	if got, want := len(Client{}.rateLimits), reflect.TypeOf(RateLimits{}).NumField(); got != want {
   471  		t.Errorf("len(Client{}.rateLimits) is %v, want %v", got, want)
   472  	}
   473  }
   474  
   475  func TestRateLimits_String(t *testing.T) {
   476  	v := RateLimits{
   477  		Core:                      &Rate{},
   478  		Search:                    &Rate{},
   479  		GraphQL:                   &Rate{},
   480  		IntegrationManifest:       &Rate{},
   481  		SourceImport:              &Rate{},
   482  		CodeScanningUpload:        &Rate{},
   483  		ActionsRunnerRegistration: &Rate{},
   484  		SCIM:                      &Rate{},
   485  	}
   486  	want := `github.RateLimits{Core:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, Search:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, GraphQL:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, IntegrationManifest:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, SourceImport:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, CodeScanningUpload:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, ActionsRunnerRegistration:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, SCIM:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}}`
   487  	if got := v.String(); got != want {
   488  		t.Errorf("RateLimits.String = %v, want %v", got, want)
   489  	}
   490  }
   491  
   492  func TestNewRequest(t *testing.T) {
   493  	c := NewClient(nil)
   494  
   495  	inURL, outURL := "/foo", defaultBaseURL+"foo"
   496  	inBody, outBody := &User{Login: String("l")}, `{"login":"l"}`+"\n"
   497  	req, _ := c.NewRequest("GET", inURL, inBody)
   498  
   499  	// test that relative URL was expanded
   500  	if got, want := req.URL.String(), outURL; got != want {
   501  		t.Errorf("NewRequest(%q) URL is %v, want %v", inURL, got, want)
   502  	}
   503  
   504  	// test that body was JSON encoded
   505  	body, _ := ioutil.ReadAll(req.Body)
   506  	if got, want := string(body), outBody; got != want {
   507  		t.Errorf("NewRequest(%q) Body is %v, want %v", inBody, got, want)
   508  	}
   509  
   510  	userAgent := req.Header.Get("User-Agent")
   511  
   512  	// test that default user-agent is attached to the request
   513  	if got, want := userAgent, c.UserAgent; got != want {
   514  		t.Errorf("NewRequest() User-Agent is %v, want %v", got, want)
   515  	}
   516  
   517  	if !strings.Contains(userAgent, Version) {
   518  		t.Errorf("NewRequest() User-Agent should contain %v, found %v", Version, userAgent)
   519  	}
   520  }
   521  
   522  func TestNewRequest_invalidJSON(t *testing.T) {
   523  	c := NewClient(nil)
   524  
   525  	type T struct {
   526  		A map[interface{}]interface{}
   527  	}
   528  	_, err := c.NewRequest("GET", ".", &T{})
   529  
   530  	if err == nil {
   531  		t.Error("Expected error to be returned.")
   532  	}
   533  	if err, ok := err.(*json.UnsupportedTypeError); !ok {
   534  		t.Errorf("Expected a JSON error; got %#v.", err)
   535  	}
   536  }
   537  
   538  func TestNewRequest_badURL(t *testing.T) {
   539  	c := NewClient(nil)
   540  	_, err := c.NewRequest("GET", ":", nil)
   541  	testURLParseError(t, err)
   542  }
   543  
   544  func TestNewRequest_badMethod(t *testing.T) {
   545  	c := NewClient(nil)
   546  	if _, err := c.NewRequest("BOGUS\nMETHOD", ".", nil); err == nil {
   547  		t.Fatal("NewRequest returned nil; expected error")
   548  	}
   549  }
   550  
   551  // ensure that no User-Agent header is set if the client's UserAgent is empty.
   552  // This caused a problem with Google's internal http client.
   553  func TestNewRequest_emptyUserAgent(t *testing.T) {
   554  	c := NewClient(nil)
   555  	c.UserAgent = ""
   556  	req, err := c.NewRequest("GET", ".", nil)
   557  	if err != nil {
   558  		t.Fatalf("NewRequest returned unexpected error: %v", err)
   559  	}
   560  	if _, ok := req.Header["User-Agent"]; ok {
   561  		t.Fatal("constructed request contains unexpected User-Agent header")
   562  	}
   563  }
   564  
   565  // If a nil body is passed to github.NewRequest, make sure that nil is also
   566  // passed to http.NewRequest. In most cases, passing an io.Reader that returns
   567  // no content is fine, since there is no difference between an HTTP request
   568  // body that is an empty string versus one that is not set at all. However in
   569  // certain cases, intermediate systems may treat these differently resulting in
   570  // subtle errors.
   571  func TestNewRequest_emptyBody(t *testing.T) {
   572  	c := NewClient(nil)
   573  	req, err := c.NewRequest("GET", ".", nil)
   574  	if err != nil {
   575  		t.Fatalf("NewRequest returned unexpected error: %v", err)
   576  	}
   577  	if req.Body != nil {
   578  		t.Fatalf("constructed request contains a non-nil Body")
   579  	}
   580  }
   581  
   582  func TestNewRequest_errorForNoTrailingSlash(t *testing.T) {
   583  	tests := []struct {
   584  		rawurl    string
   585  		wantError bool
   586  	}{
   587  		{rawurl: "https://example.com/api/v3", wantError: true},
   588  		{rawurl: "https://example.com/api/v3/", wantError: false},
   589  	}
   590  	c := NewClient(nil)
   591  	for _, test := range tests {
   592  		u, err := url.Parse(test.rawurl)
   593  		if err != nil {
   594  			t.Fatalf("url.Parse returned unexpected error: %v.", err)
   595  		}
   596  		c.BaseURL = u
   597  		if _, err := c.NewRequest(http.MethodGet, "test", nil); test.wantError && err == nil {
   598  			t.Fatalf("Expected error to be returned.")
   599  		} else if !test.wantError && err != nil {
   600  			t.Fatalf("NewRequest returned unexpected error: %v.", err)
   601  		}
   602  	}
   603  }
   604  
   605  func TestNewFormRequest(t *testing.T) {
   606  	c := NewClient(nil)
   607  
   608  	inURL, outURL := "/foo", defaultBaseURL+"foo"
   609  	form := url.Values{}
   610  	form.Add("login", "l")
   611  	inBody, outBody := strings.NewReader(form.Encode()), "login=l"
   612  	req, _ := c.NewFormRequest(inURL, inBody)
   613  
   614  	// test that relative URL was expanded
   615  	if got, want := req.URL.String(), outURL; got != want {
   616  		t.Errorf("NewFormRequest(%q) URL is %v, want %v", inURL, got, want)
   617  	}
   618  
   619  	// test that body was form encoded
   620  	body, _ := ioutil.ReadAll(req.Body)
   621  	if got, want := string(body), outBody; got != want {
   622  		t.Errorf("NewFormRequest(%q) Body is %v, want %v", inBody, got, want)
   623  	}
   624  
   625  	// test that default user-agent is attached to the request
   626  	if got, want := req.Header.Get("User-Agent"), c.UserAgent; got != want {
   627  		t.Errorf("NewFormRequest() User-Agent is %v, want %v", got, want)
   628  	}
   629  }
   630  
   631  func TestNewFormRequest_badURL(t *testing.T) {
   632  	c := NewClient(nil)
   633  	_, err := c.NewFormRequest(":", nil)
   634  	testURLParseError(t, err)
   635  }
   636  
   637  func TestNewFormRequest_emptyUserAgent(t *testing.T) {
   638  	c := NewClient(nil)
   639  	c.UserAgent = ""
   640  	req, err := c.NewFormRequest(".", nil)
   641  	if err != nil {
   642  		t.Fatalf("NewFormRequest returned unexpected error: %v", err)
   643  	}
   644  	if _, ok := req.Header["User-Agent"]; ok {
   645  		t.Fatal("constructed request contains unexpected User-Agent header")
   646  	}
   647  }
   648  
   649  func TestNewFormRequest_emptyBody(t *testing.T) {
   650  	c := NewClient(nil)
   651  	req, err := c.NewFormRequest(".", nil)
   652  	if err != nil {
   653  		t.Fatalf("NewFormRequest returned unexpected error: %v", err)
   654  	}
   655  	if req.Body != nil {
   656  		t.Fatalf("constructed request contains a non-nil Body")
   657  	}
   658  }
   659  
   660  func TestNewFormRequest_errorForNoTrailingSlash(t *testing.T) {
   661  	tests := []struct {
   662  		rawURL    string
   663  		wantError bool
   664  	}{
   665  		{rawURL: "https://example.com/api/v3", wantError: true},
   666  		{rawURL: "https://example.com/api/v3/", wantError: false},
   667  	}
   668  	c := NewClient(nil)
   669  	for _, test := range tests {
   670  		u, err := url.Parse(test.rawURL)
   671  		if err != nil {
   672  			t.Fatalf("url.Parse returned unexpected error: %v.", err)
   673  		}
   674  		c.BaseURL = u
   675  		if _, err := c.NewFormRequest("test", nil); test.wantError && err == nil {
   676  			t.Fatalf("Expected error to be returned.")
   677  		} else if !test.wantError && err != nil {
   678  			t.Fatalf("NewFormRequest returned unexpected error: %v.", err)
   679  		}
   680  	}
   681  }
   682  
   683  func TestNewUploadRequest_badURL(t *testing.T) {
   684  	c := NewClient(nil)
   685  	_, err := c.NewUploadRequest(":", nil, 0, "")
   686  	testURLParseError(t, err)
   687  
   688  	const methodName = "NewUploadRequest"
   689  	testBadOptions(t, methodName, func() (err error) {
   690  		_, err = c.NewUploadRequest("\n", nil, -1, "\n")
   691  		return err
   692  	})
   693  }
   694  
   695  func TestNewUploadRequest_errorForNoTrailingSlash(t *testing.T) {
   696  	tests := []struct {
   697  		rawurl    string
   698  		wantError bool
   699  	}{
   700  		{rawurl: "https://example.com/api/uploads", wantError: true},
   701  		{rawurl: "https://example.com/api/uploads/", wantError: false},
   702  	}
   703  	c := NewClient(nil)
   704  	for _, test := range tests {
   705  		u, err := url.Parse(test.rawurl)
   706  		if err != nil {
   707  			t.Fatalf("url.Parse returned unexpected error: %v.", err)
   708  		}
   709  		c.UploadURL = u
   710  		if _, err = c.NewUploadRequest("test", nil, 0, ""); test.wantError && err == nil {
   711  			t.Fatalf("Expected error to be returned.")
   712  		} else if !test.wantError && err != nil {
   713  			t.Fatalf("NewUploadRequest returned unexpected error: %v.", err)
   714  		}
   715  	}
   716  }
   717  
   718  func TestResponse_populatePageValues(t *testing.T) {
   719  	r := http.Response{
   720  		Header: http.Header{
   721  			"Link": {`<https://api.github.com/?page=1>; rel="first",` +
   722  				` <https://api.github.com/?page=2>; rel="prev",` +
   723  				` <https://api.github.com/?page=4>; rel="next",` +
   724  				` <https://api.github.com/?page=5>; rel="last"`,
   725  			},
   726  		},
   727  	}
   728  
   729  	response := newResponse(&r)
   730  	if got, want := response.FirstPage, 1; got != want {
   731  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   732  	}
   733  	if got, want := response.PrevPage, 2; want != got {
   734  		t.Errorf("response.PrevPage: %v, want %v", got, want)
   735  	}
   736  	if got, want := response.NextPage, 4; want != got {
   737  		t.Errorf("response.NextPage: %v, want %v", got, want)
   738  	}
   739  	if got, want := response.LastPage, 5; want != got {
   740  		t.Errorf("response.LastPage: %v, want %v", got, want)
   741  	}
   742  	if got, want := response.NextPageToken, ""; want != got {
   743  		t.Errorf("response.NextPageToken: %v, want %v", got, want)
   744  	}
   745  }
   746  
   747  func TestResponse_populateSinceValues(t *testing.T) {
   748  	r := http.Response{
   749  		Header: http.Header{
   750  			"Link": {`<https://api.github.com/?since=1>; rel="first",` +
   751  				` <https://api.github.com/?since=2>; rel="prev",` +
   752  				` <https://api.github.com/?since=4>; rel="next",` +
   753  				` <https://api.github.com/?since=5>; rel="last"`,
   754  			},
   755  		},
   756  	}
   757  
   758  	response := newResponse(&r)
   759  	if got, want := response.FirstPage, 1; got != want {
   760  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   761  	}
   762  	if got, want := response.PrevPage, 2; want != got {
   763  		t.Errorf("response.PrevPage: %v, want %v", got, want)
   764  	}
   765  	if got, want := response.NextPage, 4; want != got {
   766  		t.Errorf("response.NextPage: %v, want %v", got, want)
   767  	}
   768  	if got, want := response.LastPage, 5; want != got {
   769  		t.Errorf("response.LastPage: %v, want %v", got, want)
   770  	}
   771  	if got, want := response.NextPageToken, ""; want != got {
   772  		t.Errorf("response.NextPageToken: %v, want %v", got, want)
   773  	}
   774  }
   775  
   776  func TestResponse_SinceWithPage(t *testing.T) {
   777  	r := http.Response{
   778  		Header: http.Header{
   779  			"Link": {`<https://api.github.com/?since=2021-12-04T10%3A43%3A42Z&page=1>; rel="first",` +
   780  				` <https://api.github.com/?since=2021-12-04T10%3A43%3A42Z&page=2>; rel="prev",` +
   781  				` <https://api.github.com/?since=2021-12-04T10%3A43%3A42Z&page=4>; rel="next",` +
   782  				` <https://api.github.com/?since=2021-12-04T10%3A43%3A42Z&page=5>; rel="last"`,
   783  			},
   784  		},
   785  	}
   786  
   787  	response := newResponse(&r)
   788  	if got, want := response.FirstPage, 1; got != want {
   789  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   790  	}
   791  	if got, want := response.PrevPage, 2; want != got {
   792  		t.Errorf("response.PrevPage: %v, want %v", got, want)
   793  	}
   794  	if got, want := response.NextPage, 4; want != got {
   795  		t.Errorf("response.NextPage: %v, want %v", got, want)
   796  	}
   797  	if got, want := response.LastPage, 5; want != got {
   798  		t.Errorf("response.LastPage: %v, want %v", got, want)
   799  	}
   800  	if got, want := response.NextPageToken, ""; want != got {
   801  		t.Errorf("response.NextPageToken: %v, want %v", got, want)
   802  	}
   803  }
   804  
   805  func TestResponse_cursorPagination(t *testing.T) {
   806  	r := http.Response{
   807  		Header: http.Header{
   808  			"Status": {"200 OK"},
   809  			"Link":   {`<https://api.github.com/resource?per_page=2&page=url-encoded-next-page-token>; rel="next"`},
   810  		},
   811  	}
   812  
   813  	response := newResponse(&r)
   814  	if got, want := response.FirstPage, 0; got != want {
   815  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   816  	}
   817  	if got, want := response.PrevPage, 0; want != got {
   818  		t.Errorf("response.PrevPage: %v, want %v", got, want)
   819  	}
   820  	if got, want := response.NextPage, 0; want != got {
   821  		t.Errorf("response.NextPage: %v, want %v", got, want)
   822  	}
   823  	if got, want := response.LastPage, 0; want != got {
   824  		t.Errorf("response.LastPage: %v, want %v", got, want)
   825  	}
   826  	if got, want := response.NextPageToken, "url-encoded-next-page-token"; want != got {
   827  		t.Errorf("response.NextPageToken: %v, want %v", got, want)
   828  	}
   829  
   830  	// cursor-based pagination with "cursor" param
   831  	r = http.Response{
   832  		Header: http.Header{
   833  			"Link": {
   834  				`<https://api.github.com/?cursor=v1_12345678>; rel="next"`,
   835  			},
   836  		},
   837  	}
   838  
   839  	response = newResponse(&r)
   840  	if got, want := response.Cursor, "v1_12345678"; got != want {
   841  		t.Errorf("response.Cursor: %v, want %v", got, want)
   842  	}
   843  }
   844  
   845  func TestResponse_beforeAfterPagination(t *testing.T) {
   846  	r := http.Response{
   847  		Header: http.Header{
   848  			"Link": {`<https://api.github.com/?after=a1b2c3&before=>; rel="next",` +
   849  				` <https://api.github.com/?after=&before=>; rel="first",` +
   850  				` <https://api.github.com/?after=&before=d4e5f6>; rel="prev",`,
   851  			},
   852  		},
   853  	}
   854  
   855  	response := newResponse(&r)
   856  	if got, want := response.Before, "d4e5f6"; got != want {
   857  		t.Errorf("response.Before: %v, want %v", got, want)
   858  	}
   859  	if got, want := response.After, "a1b2c3"; got != want {
   860  		t.Errorf("response.After: %v, want %v", got, want)
   861  	}
   862  	if got, want := response.FirstPage, 0; got != want {
   863  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   864  	}
   865  	if got, want := response.PrevPage, 0; want != got {
   866  		t.Errorf("response.PrevPage: %v, want %v", got, want)
   867  	}
   868  	if got, want := response.NextPage, 0; want != got {
   869  		t.Errorf("response.NextPage: %v, want %v", got, want)
   870  	}
   871  	if got, want := response.LastPage, 0; want != got {
   872  		t.Errorf("response.LastPage: %v, want %v", got, want)
   873  	}
   874  	if got, want := response.NextPageToken, ""; want != got {
   875  		t.Errorf("response.NextPageToken: %v, want %v", got, want)
   876  	}
   877  }
   878  
   879  func TestResponse_populatePageValues_invalid(t *testing.T) {
   880  	r := http.Response{
   881  		Header: http.Header{
   882  			"Link": {`<https://api.github.com/?page=1>,` +
   883  				`<https://api.github.com/?page=abc>; rel="first",` +
   884  				`https://api.github.com/?page=2; rel="prev",` +
   885  				`<https://api.github.com/>; rel="next",` +
   886  				`<https://api.github.com/?page=>; rel="last"`,
   887  			},
   888  		},
   889  	}
   890  
   891  	response := newResponse(&r)
   892  	if got, want := response.FirstPage, 0; got != want {
   893  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   894  	}
   895  	if got, want := response.PrevPage, 0; got != want {
   896  		t.Errorf("response.PrevPage: %v, want %v", got, want)
   897  	}
   898  	if got, want := response.NextPage, 0; got != want {
   899  		t.Errorf("response.NextPage: %v, want %v", got, want)
   900  	}
   901  	if got, want := response.LastPage, 0; got != want {
   902  		t.Errorf("response.LastPage: %v, want %v", got, want)
   903  	}
   904  
   905  	// more invalid URLs
   906  	r = http.Response{
   907  		Header: http.Header{
   908  			"Link": {`<https://api.github.com/%?page=2>; rel="first"`},
   909  		},
   910  	}
   911  
   912  	response = newResponse(&r)
   913  	if got, want := response.FirstPage, 0; got != want {
   914  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   915  	}
   916  }
   917  
   918  func TestResponse_populateSinceValues_invalid(t *testing.T) {
   919  	r := http.Response{
   920  		Header: http.Header{
   921  			"Link": {`<https://api.github.com/?since=1>,` +
   922  				`<https://api.github.com/?since=abc>; rel="first",` +
   923  				`https://api.github.com/?since=2; rel="prev",` +
   924  				`<https://api.github.com/>; rel="next",` +
   925  				`<https://api.github.com/?since=>; rel="last"`,
   926  			},
   927  		},
   928  	}
   929  
   930  	response := newResponse(&r)
   931  	if got, want := response.FirstPage, 0; got != want {
   932  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   933  	}
   934  	if got, want := response.PrevPage, 0; got != want {
   935  		t.Errorf("response.PrevPage: %v, want %v", got, want)
   936  	}
   937  	if got, want := response.NextPage, 0; got != want {
   938  		t.Errorf("response.NextPage: %v, want %v", got, want)
   939  	}
   940  	if got, want := response.LastPage, 0; got != want {
   941  		t.Errorf("response.LastPage: %v, want %v", got, want)
   942  	}
   943  
   944  	// more invalid URLs
   945  	r = http.Response{
   946  		Header: http.Header{
   947  			"Link": {`<https://api.github.com/%?since=2>; rel="first"`},
   948  		},
   949  	}
   950  
   951  	response = newResponse(&r)
   952  	if got, want := response.FirstPage, 0; got != want {
   953  		t.Errorf("response.FirstPage: %v, want %v", got, want)
   954  	}
   955  }
   956  
   957  func TestDo(t *testing.T) {
   958  	client, mux, _, teardown := setup()
   959  	defer teardown()
   960  
   961  	type foo struct {
   962  		A string
   963  	}
   964  
   965  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
   966  		testMethod(t, r, "GET")
   967  		fmt.Fprint(w, `{"A":"a"}`)
   968  	})
   969  
   970  	req, _ := client.NewRequest("GET", ".", nil)
   971  	body := new(foo)
   972  	ctx := context.Background()
   973  	client.Do(ctx, req, body)
   974  
   975  	want := &foo{"a"}
   976  	if !cmp.Equal(body, want) {
   977  		t.Errorf("Response body = %v, want %v", body, want)
   978  	}
   979  }
   980  
   981  func TestDo_nilContext(t *testing.T) {
   982  	client, _, _, teardown := setup()
   983  	defer teardown()
   984  
   985  	req, _ := client.NewRequest("GET", ".", nil)
   986  	_, err := client.Do(nil, req, nil)
   987  
   988  	if !errors.Is(err, errNonNilContext) {
   989  		t.Errorf("Expected context must be non-nil error")
   990  	}
   991  }
   992  
   993  func TestDo_httpError(t *testing.T) {
   994  	client, mux, _, teardown := setup()
   995  	defer teardown()
   996  
   997  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
   998  		http.Error(w, "Bad Request", 400)
   999  	})
  1000  
  1001  	req, _ := client.NewRequest("GET", ".", nil)
  1002  	ctx := context.Background()
  1003  	resp, err := client.Do(ctx, req, nil)
  1004  
  1005  	if err == nil {
  1006  		t.Fatal("Expected HTTP 400 error, got no error.")
  1007  	}
  1008  	if resp.StatusCode != 400 {
  1009  		t.Errorf("Expected HTTP 400 error, got %d status code.", resp.StatusCode)
  1010  	}
  1011  }
  1012  
  1013  // Test handling of an error caused by the internal http client's Do()
  1014  // function. A redirect loop is pretty unlikely to occur within the GitHub
  1015  // API, but does allow us to exercise the right code path.
  1016  func TestDo_redirectLoop(t *testing.T) {
  1017  	client, mux, _, teardown := setup()
  1018  	defer teardown()
  1019  
  1020  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1021  		http.Redirect(w, r, baseURLPath, http.StatusFound)
  1022  	})
  1023  
  1024  	req, _ := client.NewRequest("GET", ".", nil)
  1025  	ctx := context.Background()
  1026  	_, err := client.Do(ctx, req, nil)
  1027  
  1028  	if err == nil {
  1029  		t.Error("Expected error to be returned.")
  1030  	}
  1031  	if err, ok := err.(*url.Error); !ok {
  1032  		t.Errorf("Expected a URL error; got %#v.", err)
  1033  	}
  1034  }
  1035  
  1036  // Test that an error caused by the internal http client's Do() function
  1037  // does not leak the client secret.
  1038  func TestDo_sanitizeURL(t *testing.T) {
  1039  	tp := &UnauthenticatedRateLimitedTransport{
  1040  		ClientID:     "id",
  1041  		ClientSecret: "secret",
  1042  	}
  1043  	unauthedClient := NewClient(tp.Client())
  1044  	unauthedClient.BaseURL = &url.URL{Scheme: "http", Host: "127.0.0.1:0", Path: "/"} // Use port 0 on purpose to trigger a dial TCP error, expect to get "dial tcp 127.0.0.1:0: connect: can't assign requested address".
  1045  	req, err := unauthedClient.NewRequest("GET", ".", nil)
  1046  	if err != nil {
  1047  		t.Fatalf("NewRequest returned unexpected error: %v", err)
  1048  	}
  1049  	ctx := context.Background()
  1050  	_, err = unauthedClient.Do(ctx, req, nil)
  1051  	if err == nil {
  1052  		t.Fatal("Expected error to be returned.")
  1053  	}
  1054  	if strings.Contains(err.Error(), "client_secret=secret") {
  1055  		t.Errorf("Do error contains secret, should be redacted:\n%q", err)
  1056  	}
  1057  }
  1058  
  1059  func TestDo_rateLimit(t *testing.T) {
  1060  	client, mux, _, teardown := setup()
  1061  	defer teardown()
  1062  
  1063  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1064  		w.Header().Set(headerRateLimit, "60")
  1065  		w.Header().Set(headerRateRemaining, "59")
  1066  		w.Header().Set(headerRateReset, "1372700873")
  1067  	})
  1068  
  1069  	req, _ := client.NewRequest("GET", ".", nil)
  1070  	ctx := context.Background()
  1071  	resp, err := client.Do(ctx, req, nil)
  1072  	if err != nil {
  1073  		t.Errorf("Do returned unexpected error: %v", err)
  1074  	}
  1075  	if got, want := resp.Rate.Limit, 60; got != want {
  1076  		t.Errorf("Client rate limit = %v, want %v", got, want)
  1077  	}
  1078  	if got, want := resp.Rate.Remaining, 59; got != want {
  1079  		t.Errorf("Client rate remaining = %v, want %v", got, want)
  1080  	}
  1081  	reset := time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC)
  1082  	if resp.Rate.Reset.UTC() != reset {
  1083  		t.Errorf("Client rate reset = %v, want %v", resp.Rate.Reset, reset)
  1084  	}
  1085  }
  1086  
  1087  // ensure rate limit is still parsed, even for error responses
  1088  func TestDo_rateLimit_errorResponse(t *testing.T) {
  1089  	client, mux, _, teardown := setup()
  1090  	defer teardown()
  1091  
  1092  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1093  		w.Header().Set(headerRateLimit, "60")
  1094  		w.Header().Set(headerRateRemaining, "59")
  1095  		w.Header().Set(headerRateReset, "1372700873")
  1096  		http.Error(w, "Bad Request", 400)
  1097  	})
  1098  
  1099  	req, _ := client.NewRequest("GET", ".", nil)
  1100  	ctx := context.Background()
  1101  	resp, err := client.Do(ctx, req, nil)
  1102  	if err == nil {
  1103  		t.Error("Expected error to be returned.")
  1104  	}
  1105  	if _, ok := err.(*RateLimitError); ok {
  1106  		t.Errorf("Did not expect a *RateLimitError error; got %#v.", err)
  1107  	}
  1108  	if got, want := resp.Rate.Limit, 60; got != want {
  1109  		t.Errorf("Client rate limit = %v, want %v", got, want)
  1110  	}
  1111  	if got, want := resp.Rate.Remaining, 59; got != want {
  1112  		t.Errorf("Client rate remaining = %v, want %v", got, want)
  1113  	}
  1114  	reset := time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC)
  1115  	if resp.Rate.Reset.UTC() != reset {
  1116  		t.Errorf("Client rate reset = %v, want %v", resp.Rate.Reset, reset)
  1117  	}
  1118  }
  1119  
  1120  // Ensure *RateLimitError is returned when API rate limit is exceeded.
  1121  func TestDo_rateLimit_rateLimitError(t *testing.T) {
  1122  	client, mux, _, teardown := setup()
  1123  	defer teardown()
  1124  
  1125  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1126  		w.Header().Set(headerRateLimit, "60")
  1127  		w.Header().Set(headerRateRemaining, "0")
  1128  		w.Header().Set(headerRateReset, "1372700873")
  1129  		w.Header().Set("Content-Type", "application/json; charset=utf-8")
  1130  		w.WriteHeader(http.StatusForbidden)
  1131  		fmt.Fprintln(w, `{
  1132     "message": "API rate limit exceeded for xxx.xxx.xxx.xxx. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)",
  1133     "documentation_url": "https://docs.github.com/en/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
  1134  }`)
  1135  	})
  1136  
  1137  	req, _ := client.NewRequest("GET", ".", nil)
  1138  	ctx := context.Background()
  1139  	_, err := client.Do(ctx, req, nil)
  1140  
  1141  	if err == nil {
  1142  		t.Error("Expected error to be returned.")
  1143  	}
  1144  	rateLimitErr, ok := err.(*RateLimitError)
  1145  	if !ok {
  1146  		t.Fatalf("Expected a *RateLimitError error; got %#v.", err)
  1147  	}
  1148  	if got, want := rateLimitErr.Rate.Limit, 60; got != want {
  1149  		t.Errorf("rateLimitErr rate limit = %v, want %v", got, want)
  1150  	}
  1151  	if got, want := rateLimitErr.Rate.Remaining, 0; got != want {
  1152  		t.Errorf("rateLimitErr rate remaining = %v, want %v", got, want)
  1153  	}
  1154  	reset := time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC)
  1155  	if rateLimitErr.Rate.Reset.UTC() != reset {
  1156  		t.Errorf("rateLimitErr rate reset = %v, want %v", rateLimitErr.Rate.Reset.UTC(), reset)
  1157  	}
  1158  }
  1159  
  1160  // Ensure a network call is not made when it's known that API rate limit is still exceeded.
  1161  func TestDo_rateLimit_noNetworkCall(t *testing.T) {
  1162  	client, mux, _, teardown := setup()
  1163  	defer teardown()
  1164  
  1165  	reset := time.Now().UTC().Add(time.Minute).Round(time.Second) // Rate reset is a minute from now, with 1 second precision.
  1166  
  1167  	mux.HandleFunc("/first", func(w http.ResponseWriter, r *http.Request) {
  1168  		w.Header().Set(headerRateLimit, "60")
  1169  		w.Header().Set(headerRateRemaining, "0")
  1170  		w.Header().Set(headerRateReset, fmt.Sprint(reset.Unix()))
  1171  		w.Header().Set("Content-Type", "application/json; charset=utf-8")
  1172  		w.WriteHeader(http.StatusForbidden)
  1173  		fmt.Fprintln(w, `{
  1174     "message": "API rate limit exceeded for xxx.xxx.xxx.xxx. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)",
  1175     "documentation_url": "https://docs.github.com/en/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
  1176  }`)
  1177  	})
  1178  
  1179  	madeNetworkCall := false
  1180  	mux.HandleFunc("/second", func(w http.ResponseWriter, r *http.Request) {
  1181  		madeNetworkCall = true
  1182  	})
  1183  
  1184  	// First request is made, and it makes the client aware of rate reset time being in the future.
  1185  	req, _ := client.NewRequest("GET", "first", nil)
  1186  	ctx := context.Background()
  1187  	client.Do(ctx, req, nil)
  1188  
  1189  	// Second request should not cause a network call to be made, since client can predict a rate limit error.
  1190  	req, _ = client.NewRequest("GET", "second", nil)
  1191  	_, err := client.Do(ctx, req, nil)
  1192  
  1193  	if madeNetworkCall {
  1194  		t.Fatal("Network call was made, even though rate limit is known to still be exceeded.")
  1195  	}
  1196  
  1197  	if err == nil {
  1198  		t.Error("Expected error to be returned.")
  1199  	}
  1200  	rateLimitErr, ok := err.(*RateLimitError)
  1201  	if !ok {
  1202  		t.Fatalf("Expected a *RateLimitError error; got %#v.", err)
  1203  	}
  1204  	if got, want := rateLimitErr.Rate.Limit, 60; got != want {
  1205  		t.Errorf("rateLimitErr rate limit = %v, want %v", got, want)
  1206  	}
  1207  	if got, want := rateLimitErr.Rate.Remaining, 0; got != want {
  1208  		t.Errorf("rateLimitErr rate remaining = %v, want %v", got, want)
  1209  	}
  1210  	if rateLimitErr.Rate.Reset.UTC() != reset {
  1211  		t.Errorf("rateLimitErr rate reset = %v, want %v", rateLimitErr.Rate.Reset.UTC(), reset)
  1212  	}
  1213  }
  1214  
  1215  // Ignore rate limit headers if the response was served from cache.
  1216  func TestDo_rateLimit_ignoredFromCache(t *testing.T) {
  1217  	client, mux, _, teardown := setup()
  1218  	defer teardown()
  1219  
  1220  	reset := time.Now().UTC().Add(time.Minute).Round(time.Second) // Rate reset is a minute from now, with 1 second precision.
  1221  
  1222  	// By adding the X-From-Cache header we pretend this is served from a cache.
  1223  	mux.HandleFunc("/first", func(w http.ResponseWriter, r *http.Request) {
  1224  		w.Header().Set("X-From-Cache", "1")
  1225  		w.Header().Set(headerRateLimit, "60")
  1226  		w.Header().Set(headerRateRemaining, "0")
  1227  		w.Header().Set(headerRateReset, fmt.Sprint(reset.Unix()))
  1228  		w.Header().Set("Content-Type", "application/json; charset=utf-8")
  1229  		w.WriteHeader(http.StatusForbidden)
  1230  		fmt.Fprintln(w, `{
  1231     "message": "API rate limit exceeded for xxx.xxx.xxx.xxx. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)",
  1232     "documentation_url": "https://docs.github.com/en/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
  1233  }`)
  1234  	})
  1235  
  1236  	madeNetworkCall := false
  1237  	mux.HandleFunc("/second", func(w http.ResponseWriter, r *http.Request) {
  1238  		madeNetworkCall = true
  1239  	})
  1240  
  1241  	// First request is made so afterwards we can check the returned rate limit headers were ignored.
  1242  	req, _ := client.NewRequest("GET", "first", nil)
  1243  	ctx := context.Background()
  1244  	client.Do(ctx, req, nil)
  1245  
  1246  	// Second request should not by hindered by rate limits.
  1247  	req, _ = client.NewRequest("GET", "second", nil)
  1248  	_, err := client.Do(ctx, req, nil)
  1249  
  1250  	if err != nil {
  1251  		t.Fatalf("Second request failed, even though the rate limits from the cache should've been ignored: %v", err)
  1252  	}
  1253  	if !madeNetworkCall {
  1254  		t.Fatal("Network call was not made, even though the rate limits from the cache should've been ignored")
  1255  	}
  1256  }
  1257  
  1258  // Ensure *AbuseRateLimitError is returned when the response indicates that
  1259  // the client has triggered an abuse detection mechanism.
  1260  func TestDo_rateLimit_abuseRateLimitError(t *testing.T) {
  1261  	client, mux, _, teardown := setup()
  1262  	defer teardown()
  1263  
  1264  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1265  		w.Header().Set("Content-Type", "application/json; charset=utf-8")
  1266  		w.WriteHeader(http.StatusForbidden)
  1267  		// When the abuse rate limit error is of the "temporarily blocked from content creation" type,
  1268  		// there is no "Retry-After" header.
  1269  		fmt.Fprintln(w, `{
  1270     "message": "You have triggered an abuse detection mechanism and have been temporarily blocked from content creation. Please retry your request again later.",
  1271     "documentation_url": "https://docs.github.com/en/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
  1272  }`)
  1273  	})
  1274  
  1275  	req, _ := client.NewRequest("GET", ".", nil)
  1276  	ctx := context.Background()
  1277  	_, err := client.Do(ctx, req, nil)
  1278  
  1279  	if err == nil {
  1280  		t.Error("Expected error to be returned.")
  1281  	}
  1282  	abuseRateLimitErr, ok := err.(*AbuseRateLimitError)
  1283  	if !ok {
  1284  		t.Fatalf("Expected a *AbuseRateLimitError error; got %#v.", err)
  1285  	}
  1286  	if got, want := abuseRateLimitErr.RetryAfter, (*time.Duration)(nil); got != want {
  1287  		t.Errorf("abuseRateLimitErr RetryAfter = %v, want %v", got, want)
  1288  	}
  1289  }
  1290  
  1291  // Ensure *AbuseRateLimitError is returned when the response indicates that
  1292  // the client has triggered an abuse detection mechanism on GitHub Enterprise.
  1293  func TestDo_rateLimit_abuseRateLimitErrorEnterprise(t *testing.T) {
  1294  	client, mux, _, teardown := setup()
  1295  	defer teardown()
  1296  
  1297  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1298  		w.Header().Set("Content-Type", "application/json; charset=utf-8")
  1299  		w.WriteHeader(http.StatusForbidden)
  1300  		// When the abuse rate limit error is of the "temporarily blocked from content creation" type,
  1301  		// there is no "Retry-After" header.
  1302  		// This response returns a documentation url like the one returned for GitHub Enterprise, this
  1303  		// url changes between versions but follows roughly the same format.
  1304  		fmt.Fprintln(w, `{
  1305     "message": "You have triggered an abuse detection mechanism and have been temporarily blocked from content creation. Please retry your request again later.",
  1306     "documentation_url": "https://docs.github.com/en/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
  1307  }`)
  1308  	})
  1309  
  1310  	req, _ := client.NewRequest("GET", ".", nil)
  1311  	ctx := context.Background()
  1312  	_, err := client.Do(ctx, req, nil)
  1313  
  1314  	if err == nil {
  1315  		t.Error("Expected error to be returned.")
  1316  	}
  1317  	abuseRateLimitErr, ok := err.(*AbuseRateLimitError)
  1318  	if !ok {
  1319  		t.Fatalf("Expected a *AbuseRateLimitError error; got %#v.", err)
  1320  	}
  1321  	if got, want := abuseRateLimitErr.RetryAfter, (*time.Duration)(nil); got != want {
  1322  		t.Errorf("abuseRateLimitErr RetryAfter = %v, want %v", got, want)
  1323  	}
  1324  }
  1325  
  1326  // Ensure *AbuseRateLimitError.RetryAfter is parsed correctly.
  1327  func TestDo_rateLimit_abuseRateLimitError_retryAfter(t *testing.T) {
  1328  	client, mux, _, teardown := setup()
  1329  	defer teardown()
  1330  
  1331  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1332  		w.Header().Set("Content-Type", "application/json; charset=utf-8")
  1333  		w.Header().Set("Retry-After", "123") // Retry after value of 123 seconds.
  1334  		w.WriteHeader(http.StatusForbidden)
  1335  		fmt.Fprintln(w, `{
  1336     "message": "You have triggered an abuse detection mechanism ...",
  1337     "documentation_url": "https://docs.github.com/en/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
  1338  }`)
  1339  	})
  1340  
  1341  	req, _ := client.NewRequest("GET", ".", nil)
  1342  	ctx := context.Background()
  1343  	_, err := client.Do(ctx, req, nil)
  1344  
  1345  	if err == nil {
  1346  		t.Error("Expected error to be returned.")
  1347  	}
  1348  	abuseRateLimitErr, ok := err.(*AbuseRateLimitError)
  1349  	if !ok {
  1350  		t.Fatalf("Expected a *AbuseRateLimitError error; got %#v.", err)
  1351  	}
  1352  	if abuseRateLimitErr.RetryAfter == nil {
  1353  		t.Fatalf("abuseRateLimitErr RetryAfter is nil, expected not-nil")
  1354  	}
  1355  	if got, want := *abuseRateLimitErr.RetryAfter, 123*time.Second; got != want {
  1356  		t.Errorf("abuseRateLimitErr RetryAfter = %v, want %v", got, want)
  1357  	}
  1358  }
  1359  
  1360  func TestDo_noContent(t *testing.T) {
  1361  	client, mux, _, teardown := setup()
  1362  	defer teardown()
  1363  
  1364  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  1365  		w.WriteHeader(http.StatusNoContent)
  1366  	})
  1367  
  1368  	var body json.RawMessage
  1369  
  1370  	req, _ := client.NewRequest("GET", ".", nil)
  1371  	ctx := context.Background()
  1372  	_, err := client.Do(ctx, req, &body)
  1373  	if err != nil {
  1374  		t.Fatalf("Do returned unexpected error: %v", err)
  1375  	}
  1376  }
  1377  
  1378  func TestSanitizeURL(t *testing.T) {
  1379  	tests := []struct {
  1380  		in, want string
  1381  	}{
  1382  		{"/?a=b", "/?a=b"},
  1383  		{"/?a=b&client_secret=secret", "/?a=b&client_secret=REDACTED"},
  1384  		{"/?a=b&client_id=id&client_secret=secret", "/?a=b&client_id=id&client_secret=REDACTED"},
  1385  	}
  1386  
  1387  	for _, tt := range tests {
  1388  		inURL, _ := url.Parse(tt.in)
  1389  		want, _ := url.Parse(tt.want)
  1390  
  1391  		if got := sanitizeURL(inURL); !cmp.Equal(got, want) {
  1392  			t.Errorf("sanitizeURL(%v) returned %v, want %v", tt.in, got, want)
  1393  		}
  1394  	}
  1395  }
  1396  
  1397  func TestCheckResponse(t *testing.T) {
  1398  	res := &http.Response{
  1399  		Request:    &http.Request{},
  1400  		StatusCode: http.StatusBadRequest,
  1401  		Body: ioutil.NopCloser(strings.NewReader(`{"message":"m",
  1402  			"errors": [{"resource": "r", "field": "f", "code": "c"}],
  1403  			"block": {"reason": "dmca", "created_at": "2016-03-17T15:39:46Z"}}`)),
  1404  	}
  1405  	err := CheckResponse(res).(*ErrorResponse)
  1406  
  1407  	if err == nil {
  1408  		t.Errorf("Expected error response.")
  1409  	}
  1410  
  1411  	want := &ErrorResponse{
  1412  		Response: res,
  1413  		Message:  "m",
  1414  		Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1415  		Block: &ErrorBlock{
  1416  			Reason:    "dmca",
  1417  			CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1418  		},
  1419  	}
  1420  	if !errors.Is(err, want) {
  1421  		t.Errorf("Error = %#v, want %#v", err, want)
  1422  	}
  1423  }
  1424  
  1425  func TestCheckResponse_RateLimit(t *testing.T) {
  1426  	res := &http.Response{
  1427  		Request:    &http.Request{},
  1428  		StatusCode: http.StatusForbidden,
  1429  		Header:     http.Header{},
  1430  		Body: ioutil.NopCloser(strings.NewReader(`{"message":"m",
  1431  			"documentation_url": "url"}`)),
  1432  	}
  1433  	res.Header.Set(headerRateLimit, "60")
  1434  	res.Header.Set(headerRateRemaining, "0")
  1435  	res.Header.Set(headerRateReset, "243424")
  1436  
  1437  	err := CheckResponse(res).(*RateLimitError)
  1438  
  1439  	if err == nil {
  1440  		t.Errorf("Expected error response.")
  1441  	}
  1442  
  1443  	want := &RateLimitError{
  1444  		Rate:     parseRate(res),
  1445  		Response: res,
  1446  		Message:  "m",
  1447  	}
  1448  	if !errors.Is(err, want) {
  1449  		t.Errorf("Error = %#v, want %#v", err, want)
  1450  	}
  1451  }
  1452  
  1453  func TestCheckResponse_AbuseRateLimit(t *testing.T) {
  1454  	res := &http.Response{
  1455  		Request:    &http.Request{},
  1456  		StatusCode: http.StatusForbidden,
  1457  		Body: ioutil.NopCloser(strings.NewReader(`{"message":"m",
  1458  			"documentation_url": "docs.github.com/en/rest/overview/resources-in-the-rest-api#abuse-rate-limits"}`)),
  1459  	}
  1460  	err := CheckResponse(res).(*AbuseRateLimitError)
  1461  
  1462  	if err == nil {
  1463  		t.Errorf("Expected error response.")
  1464  	}
  1465  
  1466  	want := &AbuseRateLimitError{
  1467  		Response: res,
  1468  		Message:  "m",
  1469  	}
  1470  	if !errors.Is(err, want) {
  1471  		t.Errorf("Error = %#v, want %#v", err, want)
  1472  	}
  1473  }
  1474  
  1475  func TestCompareHttpResponse(t *testing.T) {
  1476  	testcases := map[string]struct {
  1477  		h1       *http.Response
  1478  		h2       *http.Response
  1479  		expected bool
  1480  	}{
  1481  		"both are nil": {
  1482  			expected: true,
  1483  		},
  1484  		"both are non nil - same StatusCode": {
  1485  			expected: true,
  1486  			h1:       &http.Response{StatusCode: 200},
  1487  			h2:       &http.Response{StatusCode: 200},
  1488  		},
  1489  		"both are non nil - different StatusCode": {
  1490  			expected: false,
  1491  			h1:       &http.Response{StatusCode: 200},
  1492  			h2:       &http.Response{StatusCode: 404},
  1493  		},
  1494  		"one is nil, other is not": {
  1495  			expected: false,
  1496  			h2:       &http.Response{},
  1497  		},
  1498  	}
  1499  
  1500  	for name, tc := range testcases {
  1501  		t.Run(name, func(t *testing.T) {
  1502  			v := compareHTTPResponse(tc.h1, tc.h2)
  1503  			if tc.expected != v {
  1504  				t.Errorf("Expected %t, got %t for (%#v, %#v)", tc.expected, v, tc.h1, tc.h2)
  1505  			}
  1506  		})
  1507  	}
  1508  }
  1509  
  1510  func TestErrorResponse_Is(t *testing.T) {
  1511  	err := &ErrorResponse{
  1512  		Response: &http.Response{},
  1513  		Message:  "m",
  1514  		Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1515  		Block: &ErrorBlock{
  1516  			Reason:    "r",
  1517  			CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1518  		},
  1519  		DocumentationURL: "https://github.com",
  1520  	}
  1521  	testcases := map[string]struct {
  1522  		wantSame   bool
  1523  		otherError error
  1524  	}{
  1525  		"errors are same": {
  1526  			wantSame: true,
  1527  			otherError: &ErrorResponse{
  1528  				Response: &http.Response{},
  1529  				Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1530  				Message:  "m",
  1531  				Block: &ErrorBlock{
  1532  					Reason:    "r",
  1533  					CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1534  				},
  1535  				DocumentationURL: "https://github.com",
  1536  			},
  1537  		},
  1538  		"errors have different values - Message": {
  1539  			wantSame: false,
  1540  			otherError: &ErrorResponse{
  1541  				Response: &http.Response{},
  1542  				Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1543  				Message:  "m1",
  1544  				Block: &ErrorBlock{
  1545  					Reason:    "r",
  1546  					CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1547  				},
  1548  				DocumentationURL: "https://github.com",
  1549  			},
  1550  		},
  1551  		"errors have different values - DocumentationURL": {
  1552  			wantSame: false,
  1553  			otherError: &ErrorResponse{
  1554  				Response: &http.Response{},
  1555  				Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1556  				Message:  "m",
  1557  				Block: &ErrorBlock{
  1558  					Reason:    "r",
  1559  					CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1560  				},
  1561  				DocumentationURL: "https://google.com",
  1562  			},
  1563  		},
  1564  		"errors have different values - Response is nil": {
  1565  			wantSame: false,
  1566  			otherError: &ErrorResponse{
  1567  				Errors:  []Error{{Resource: "r", Field: "f", Code: "c"}},
  1568  				Message: "m",
  1569  				Block: &ErrorBlock{
  1570  					Reason:    "r",
  1571  					CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1572  				},
  1573  				DocumentationURL: "https://github.com",
  1574  			},
  1575  		},
  1576  		"errors have different values - Errors": {
  1577  			wantSame: false,
  1578  			otherError: &ErrorResponse{
  1579  				Response: &http.Response{},
  1580  				Errors:   []Error{{Resource: "r1", Field: "f1", Code: "c1"}},
  1581  				Message:  "m",
  1582  				Block: &ErrorBlock{
  1583  					Reason:    "r",
  1584  					CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1585  				},
  1586  				DocumentationURL: "https://github.com",
  1587  			},
  1588  		},
  1589  		"errors have different values - Errors have different length": {
  1590  			wantSame: false,
  1591  			otherError: &ErrorResponse{
  1592  				Response: &http.Response{},
  1593  				Errors:   []Error{},
  1594  				Message:  "m",
  1595  				Block: &ErrorBlock{
  1596  					Reason:    "r",
  1597  					CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1598  				},
  1599  				DocumentationURL: "https://github.com",
  1600  			},
  1601  		},
  1602  		"errors have different values - Block - one is nil, other is not": {
  1603  			wantSame: false,
  1604  			otherError: &ErrorResponse{
  1605  				Response:         &http.Response{},
  1606  				Errors:           []Error{{Resource: "r", Field: "f", Code: "c"}},
  1607  				Message:          "m",
  1608  				DocumentationURL: "https://github.com",
  1609  			},
  1610  		},
  1611  		"errors have different values - Block - different Reason": {
  1612  			wantSame: false,
  1613  			otherError: &ErrorResponse{
  1614  				Response: &http.Response{},
  1615  				Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1616  				Message:  "m",
  1617  				Block: &ErrorBlock{
  1618  					Reason:    "r1",
  1619  					CreatedAt: &Timestamp{time.Date(2016, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1620  				},
  1621  				DocumentationURL: "https://github.com",
  1622  			},
  1623  		},
  1624  		"errors have different values - Block - different CreatedAt #1": {
  1625  			wantSame: false,
  1626  			otherError: &ErrorResponse{
  1627  				Response: &http.Response{},
  1628  				Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1629  				Message:  "m",
  1630  				Block: &ErrorBlock{
  1631  					Reason:    "r",
  1632  					CreatedAt: nil,
  1633  				},
  1634  				DocumentationURL: "https://github.com",
  1635  			},
  1636  		},
  1637  		"errors have different values - Block - different CreatedAt #2": {
  1638  			wantSame: false,
  1639  			otherError: &ErrorResponse{
  1640  				Response: &http.Response{},
  1641  				Errors:   []Error{{Resource: "r", Field: "f", Code: "c"}},
  1642  				Message:  "m",
  1643  				Block: &ErrorBlock{
  1644  					Reason:    "r",
  1645  					CreatedAt: &Timestamp{time.Date(2017, time.March, 17, 15, 39, 46, 0, time.UTC)},
  1646  				},
  1647  				DocumentationURL: "https://github.com",
  1648  			},
  1649  		},
  1650  		"errors have different types": {
  1651  			wantSame:   false,
  1652  			otherError: errors.New("Github"),
  1653  		},
  1654  	}
  1655  
  1656  	for name, tc := range testcases {
  1657  		t.Run(name, func(t *testing.T) {
  1658  			if tc.wantSame != err.Is(tc.otherError) {
  1659  				t.Errorf("Error = %#v, want %#v", err, tc.otherError)
  1660  			}
  1661  		})
  1662  	}
  1663  }
  1664  
  1665  func TestRateLimitError_Is(t *testing.T) {
  1666  	err := &RateLimitError{
  1667  		Response: &http.Response{},
  1668  		Message:  "Github",
  1669  	}
  1670  	testcases := map[string]struct {
  1671  		wantSame   bool
  1672  		err        *RateLimitError
  1673  		otherError error
  1674  	}{
  1675  		"errors are same": {
  1676  			wantSame: true,
  1677  			err:      err,
  1678  			otherError: &RateLimitError{
  1679  				Response: &http.Response{},
  1680  				Message:  "Github",
  1681  			},
  1682  		},
  1683  		"errors are same - Response is nil": {
  1684  			wantSame: true,
  1685  			err: &RateLimitError{
  1686  				Message: "Github",
  1687  			},
  1688  			otherError: &RateLimitError{
  1689  				Message: "Github",
  1690  			},
  1691  		},
  1692  		"errors have different values - Rate": {
  1693  			wantSame: false,
  1694  			err:      err,
  1695  			otherError: &RateLimitError{
  1696  				Rate:     Rate{Limit: 10},
  1697  				Response: &http.Response{},
  1698  				Message:  "Gitlab",
  1699  			},
  1700  		},
  1701  		"errors have different values - Response is nil": {
  1702  			wantSame: false,
  1703  			err:      err,
  1704  			otherError: &RateLimitError{
  1705  				Message: "Github",
  1706  			},
  1707  		},
  1708  		"errors have different values - StatusCode": {
  1709  			wantSame: false,
  1710  			err:      err,
  1711  			otherError: &RateLimitError{
  1712  				Response: &http.Response{StatusCode: 200},
  1713  				Message:  "Github",
  1714  			},
  1715  		},
  1716  		"errors have different types": {
  1717  			wantSame:   false,
  1718  			err:        err,
  1719  			otherError: errors.New("Github"),
  1720  		},
  1721  	}
  1722  
  1723  	for name, tc := range testcases {
  1724  		t.Run(name, func(t *testing.T) {
  1725  			if tc.wantSame != tc.err.Is(tc.otherError) {
  1726  				t.Errorf("Error = %#v, want %#v", tc.err, tc.otherError)
  1727  			}
  1728  		})
  1729  	}
  1730  }
  1731  
  1732  func TestAbuseRateLimitError_Is(t *testing.T) {
  1733  	t1 := 1 * time.Second
  1734  	t2 := 2 * time.Second
  1735  	err := &AbuseRateLimitError{
  1736  		Response:   &http.Response{},
  1737  		Message:    "Github",
  1738  		RetryAfter: &t1,
  1739  	}
  1740  	testcases := map[string]struct {
  1741  		wantSame   bool
  1742  		err        *AbuseRateLimitError
  1743  		otherError error
  1744  	}{
  1745  		"errors are same": {
  1746  			wantSame: true,
  1747  			err:      err,
  1748  			otherError: &AbuseRateLimitError{
  1749  				Response:   &http.Response{},
  1750  				Message:    "Github",
  1751  				RetryAfter: &t1,
  1752  			},
  1753  		},
  1754  		"errors are same - Response is nil": {
  1755  			wantSame: true,
  1756  			err: &AbuseRateLimitError{
  1757  				Message:    "Github",
  1758  				RetryAfter: &t1,
  1759  			},
  1760  			otherError: &AbuseRateLimitError{
  1761  				Message:    "Github",
  1762  				RetryAfter: &t1,
  1763  			},
  1764  		},
  1765  		"errors have different values - Message": {
  1766  			wantSame: false,
  1767  			err:      err,
  1768  			otherError: &AbuseRateLimitError{
  1769  				Response:   &http.Response{},
  1770  				Message:    "Gitlab",
  1771  				RetryAfter: nil,
  1772  			},
  1773  		},
  1774  		"errors have different values - RetryAfter": {
  1775  			wantSame: false,
  1776  			err:      err,
  1777  			otherError: &AbuseRateLimitError{
  1778  				Response:   &http.Response{},
  1779  				Message:    "Github",
  1780  				RetryAfter: &t2,
  1781  			},
  1782  		},
  1783  		"errors have different values - Response is nil": {
  1784  			wantSame: false,
  1785  			err:      err,
  1786  			otherError: &AbuseRateLimitError{
  1787  				Message:    "Github",
  1788  				RetryAfter: &t1,
  1789  			},
  1790  		},
  1791  		"errors have different values - StatusCode": {
  1792  			wantSame: false,
  1793  			err:      err,
  1794  			otherError: &AbuseRateLimitError{
  1795  				Response:   &http.Response{StatusCode: 200},
  1796  				Message:    "Github",
  1797  				RetryAfter: &t1,
  1798  			},
  1799  		},
  1800  		"errors have different types": {
  1801  			wantSame:   false,
  1802  			err:        err,
  1803  			otherError: errors.New("Github"),
  1804  		},
  1805  	}
  1806  
  1807  	for name, tc := range testcases {
  1808  		t.Run(name, func(t *testing.T) {
  1809  			if tc.wantSame != tc.err.Is(tc.otherError) {
  1810  				t.Errorf("Error = %#v, want %#v", tc.err, tc.otherError)
  1811  			}
  1812  		})
  1813  	}
  1814  }
  1815  
  1816  func TestAcceptedError_Is(t *testing.T) {
  1817  	err := &AcceptedError{Raw: []byte("Github")}
  1818  	testcases := map[string]struct {
  1819  		wantSame   bool
  1820  		otherError error
  1821  	}{
  1822  		"errors are same": {
  1823  			wantSame:   true,
  1824  			otherError: &AcceptedError{Raw: []byte("Github")},
  1825  		},
  1826  		"errors have different values": {
  1827  			wantSame:   false,
  1828  			otherError: &AcceptedError{Raw: []byte("Gitlab")},
  1829  		},
  1830  		"errors have different types": {
  1831  			wantSame:   false,
  1832  			otherError: errors.New("Github"),
  1833  		},
  1834  	}
  1835  
  1836  	for name, tc := range testcases {
  1837  		t.Run(name, func(t *testing.T) {
  1838  			if tc.wantSame != err.Is(tc.otherError) {
  1839  				t.Errorf("Error = %#v, want %#v", err, tc.otherError)
  1840  			}
  1841  		})
  1842  	}
  1843  }
  1844  
  1845  // ensure that we properly handle API errors that do not contain a response body
  1846  func TestCheckResponse_noBody(t *testing.T) {
  1847  	res := &http.Response{
  1848  		Request:    &http.Request{},
  1849  		StatusCode: http.StatusBadRequest,
  1850  		Body:       ioutil.NopCloser(strings.NewReader("")),
  1851  	}
  1852  	err := CheckResponse(res).(*ErrorResponse)
  1853  
  1854  	if err == nil {
  1855  		t.Errorf("Expected error response.")
  1856  	}
  1857  
  1858  	want := &ErrorResponse{
  1859  		Response: res,
  1860  	}
  1861  	if !errors.Is(err, want) {
  1862  		t.Errorf("Error = %#v, want %#v", err, want)
  1863  	}
  1864  }
  1865  
  1866  func TestCheckResponse_unexpectedErrorStructure(t *testing.T) {
  1867  	httpBody := `{"message":"m", "errors": ["error 1"]}`
  1868  	res := &http.Response{
  1869  		Request:    &http.Request{},
  1870  		StatusCode: http.StatusBadRequest,
  1871  		Body:       ioutil.NopCloser(strings.NewReader(httpBody)),
  1872  	}
  1873  	err := CheckResponse(res).(*ErrorResponse)
  1874  
  1875  	if err == nil {
  1876  		t.Errorf("Expected error response.")
  1877  	}
  1878  
  1879  	want := &ErrorResponse{
  1880  		Response: res,
  1881  		Message:  "m",
  1882  		Errors:   []Error{{Message: "error 1"}},
  1883  	}
  1884  	if !errors.Is(err, want) {
  1885  		t.Errorf("Error = %#v, want %#v", err, want)
  1886  	}
  1887  	data, err2 := ioutil.ReadAll(err.Response.Body)
  1888  	if err2 != nil {
  1889  		t.Fatalf("failed to read response body: %v", err)
  1890  	}
  1891  	if got := string(data); got != httpBody {
  1892  		t.Errorf("ErrorResponse.Response.Body = %q, want %q", got, httpBody)
  1893  	}
  1894  }
  1895  
  1896  func TestParseBooleanResponse_true(t *testing.T) {
  1897  	result, err := parseBoolResponse(nil)
  1898  	if err != nil {
  1899  		t.Errorf("parseBoolResponse returned error: %+v", err)
  1900  	}
  1901  
  1902  	if want := true; result != want {
  1903  		t.Errorf("parseBoolResponse returned %+v, want: %+v", result, want)
  1904  	}
  1905  }
  1906  
  1907  func TestParseBooleanResponse_false(t *testing.T) {
  1908  	v := &ErrorResponse{Response: &http.Response{StatusCode: http.StatusNotFound}}
  1909  	result, err := parseBoolResponse(v)
  1910  	if err != nil {
  1911  		t.Errorf("parseBoolResponse returned error: %+v", err)
  1912  	}
  1913  
  1914  	if want := false; result != want {
  1915  		t.Errorf("parseBoolResponse returned %+v, want: %+v", result, want)
  1916  	}
  1917  }
  1918  
  1919  func TestParseBooleanResponse_error(t *testing.T) {
  1920  	v := &ErrorResponse{Response: &http.Response{StatusCode: http.StatusBadRequest}}
  1921  	result, err := parseBoolResponse(v)
  1922  
  1923  	if err == nil {
  1924  		t.Errorf("Expected error to be returned.")
  1925  	}
  1926  
  1927  	if want := false; result != want {
  1928  		t.Errorf("parseBoolResponse returned %+v, want: %+v", result, want)
  1929  	}
  1930  }
  1931  
  1932  func TestErrorResponse_Error(t *testing.T) {
  1933  	res := &http.Response{Request: &http.Request{}}
  1934  	err := ErrorResponse{Message: "m", Response: res}
  1935  	if err.Error() == "" {
  1936  		t.Errorf("Expected non-empty ErrorResponse.Error()")
  1937  	}
  1938  }
  1939  
  1940  func TestError_Error(t *testing.T) {
  1941  	err := Error{}
  1942  	if err.Error() == "" {
  1943  		t.Errorf("Expected non-empty Error.Error()")
  1944  	}
  1945  }
  1946  
  1947  func TestRateLimits(t *testing.T) {
  1948  	client, mux, _, teardown := setup()
  1949  	defer teardown()
  1950  
  1951  	mux.HandleFunc("/rate_limit", func(w http.ResponseWriter, r *http.Request) {
  1952  		testMethod(t, r, "GET")
  1953  		fmt.Fprint(w, `{"resources":{
  1954  			"core": {"limit":2,"remaining":1,"reset":1372700873},
  1955  			"search": {"limit":3,"remaining":2,"reset":1372700874},
  1956  			"graphql": {"limit":4,"remaining":3,"reset":1372700875},
  1957  			"integration_manifest": {"limit":5,"remaining":4,"reset":1372700876},
  1958  			"source_import": {"limit":6,"remaining":5,"reset":1372700877},
  1959  			"code_scanning_upload": {"limit":7,"remaining":6,"reset":1372700878},
  1960  			"actions_runner_registration": {"limit":8,"remaining":7,"reset":1372700879},
  1961  			"scim": {"limit":9,"remaining":8,"reset":1372700880}
  1962  		}}`)
  1963  	})
  1964  
  1965  	ctx := context.Background()
  1966  	rate, _, err := client.RateLimits(ctx)
  1967  	if err != nil {
  1968  		t.Errorf("RateLimits returned error: %v", err)
  1969  	}
  1970  
  1971  	want := &RateLimits{
  1972  		Core: &Rate{
  1973  			Limit:     2,
  1974  			Remaining: 1,
  1975  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC).Local()},
  1976  		},
  1977  		Search: &Rate{
  1978  			Limit:     3,
  1979  			Remaining: 2,
  1980  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 54, 0, time.UTC).Local()},
  1981  		},
  1982  		GraphQL: &Rate{
  1983  			Limit:     4,
  1984  			Remaining: 3,
  1985  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 55, 0, time.UTC).Local()},
  1986  		},
  1987  		IntegrationManifest: &Rate{
  1988  			Limit:     5,
  1989  			Remaining: 4,
  1990  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 56, 0, time.UTC).Local()},
  1991  		},
  1992  		SourceImport: &Rate{
  1993  			Limit:     6,
  1994  			Remaining: 5,
  1995  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 57, 0, time.UTC).Local()},
  1996  		},
  1997  		CodeScanningUpload: &Rate{
  1998  			Limit:     7,
  1999  			Remaining: 6,
  2000  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 58, 0, time.UTC).Local()},
  2001  		},
  2002  		ActionsRunnerRegistration: &Rate{
  2003  			Limit:     8,
  2004  			Remaining: 7,
  2005  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 59, 0, time.UTC).Local()},
  2006  		},
  2007  		SCIM: &Rate{
  2008  			Limit:     9,
  2009  			Remaining: 8,
  2010  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 48, 00, 0, time.UTC).Local()},
  2011  		},
  2012  	}
  2013  	if !cmp.Equal(rate, want) {
  2014  		t.Errorf("RateLimits returned %+v, want %+v", rate, want)
  2015  	}
  2016  
  2017  	if got, want := client.rateLimits[coreCategory], *want.Core; got != want {
  2018  		t.Errorf("client.rateLimits[coreCategory] is %+v, want %+v", got, want)
  2019  	}
  2020  	if got, want := client.rateLimits[searchCategory], *want.Search; got != want {
  2021  		t.Errorf("client.rateLimits[searchCategory] is %+v, want %+v", got, want)
  2022  	}
  2023  	if got, want := client.rateLimits[graphqlCategory], *want.GraphQL; got != want {
  2024  		t.Errorf("client.rateLimits[graphqlCategory] is %+v, want %+v", got, want)
  2025  	}
  2026  	if got, want := client.rateLimits[integrationManifestCategory], *want.IntegrationManifest; got != want {
  2027  		t.Errorf("client.rateLimits[integrationManifestCategory] is %+v, want %+v", got, want)
  2028  	}
  2029  	if got, want := client.rateLimits[sourceImportCategory], *want.SourceImport; got != want {
  2030  		t.Errorf("client.rateLimits[sourceImportCategory] is %+v, want %+v", got, want)
  2031  	}
  2032  	if got, want := client.rateLimits[codeScanningUploadCategory], *want.CodeScanningUpload; got != want {
  2033  		t.Errorf("client.rateLimits[codeScanningUploadCategory] is %+v, want %+v", got, want)
  2034  	}
  2035  	if got, want := client.rateLimits[actionsRunnerRegistrationCategory], *want.ActionsRunnerRegistration; got != want {
  2036  		t.Errorf("client.rateLimits[actionsRunnerRegistrationCategory] is %+v, want %+v", got, want)
  2037  	}
  2038  	if got, want := client.rateLimits[scimCategory], *want.SCIM; got != want {
  2039  		t.Errorf("client.rateLimits[scimCategory] is %+v, want %+v", got, want)
  2040  	}
  2041  }
  2042  
  2043  func TestRateLimits_coverage(t *testing.T) {
  2044  	client, _, _, teardown := setup()
  2045  	defer teardown()
  2046  
  2047  	ctx := context.Background()
  2048  
  2049  	const methodName = "RateLimits"
  2050  	testNewRequestAndDoFailure(t, methodName, client, func() (*Response, error) {
  2051  		_, resp, err := client.RateLimits(ctx)
  2052  		return resp, err
  2053  	})
  2054  }
  2055  
  2056  func TestRateLimits_overQuota(t *testing.T) {
  2057  	client, mux, _, teardown := setup()
  2058  	defer teardown()
  2059  
  2060  	client.rateLimits[coreCategory] = Rate{
  2061  		Limit:     1,
  2062  		Remaining: 0,
  2063  		Reset:     Timestamp{time.Now().Add(time.Hour).Local()},
  2064  	}
  2065  	mux.HandleFunc("/rate_limit", func(w http.ResponseWriter, r *http.Request) {
  2066  		fmt.Fprint(w, `{"resources":{
  2067  			"core": {"limit":2,"remaining":1,"reset":1372700873},
  2068  			"search": {"limit":3,"remaining":2,"reset":1372700874}
  2069  		}}`)
  2070  	})
  2071  
  2072  	ctx := context.Background()
  2073  	rate, _, err := client.RateLimits(ctx)
  2074  	if err != nil {
  2075  		t.Errorf("RateLimits returned error: %v", err)
  2076  	}
  2077  
  2078  	want := &RateLimits{
  2079  		Core: &Rate{
  2080  			Limit:     2,
  2081  			Remaining: 1,
  2082  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC).Local()},
  2083  		},
  2084  		Search: &Rate{
  2085  			Limit:     3,
  2086  			Remaining: 2,
  2087  			Reset:     Timestamp{time.Date(2013, time.July, 1, 17, 47, 54, 0, time.UTC).Local()},
  2088  		},
  2089  	}
  2090  	if !cmp.Equal(rate, want) {
  2091  		t.Errorf("RateLimits returned %+v, want %+v", rate, want)
  2092  	}
  2093  
  2094  	if got, want := client.rateLimits[coreCategory], *want.Core; got != want {
  2095  		t.Errorf("client.rateLimits[coreCategory] is %+v, want %+v", got, want)
  2096  	}
  2097  	if got, want := client.rateLimits[searchCategory], *want.Search; got != want {
  2098  		t.Errorf("client.rateLimits[searchCategory] is %+v, want %+v", got, want)
  2099  	}
  2100  }
  2101  
  2102  func TestSetCredentialsAsHeaders(t *testing.T) {
  2103  	req := new(http.Request)
  2104  	id, secret := "id", "secret"
  2105  	modifiedRequest := setCredentialsAsHeaders(req, id, secret)
  2106  
  2107  	actualID, actualSecret, ok := modifiedRequest.BasicAuth()
  2108  	if !ok {
  2109  		t.Errorf("request does not contain basic credentials")
  2110  	}
  2111  
  2112  	if actualID != id {
  2113  		t.Errorf("id is %s, want %s", actualID, id)
  2114  	}
  2115  
  2116  	if actualSecret != secret {
  2117  		t.Errorf("secret is %s, want %s", actualSecret, secret)
  2118  	}
  2119  }
  2120  
  2121  func TestUnauthenticatedRateLimitedTransport(t *testing.T) {
  2122  	client, mux, _, teardown := setup()
  2123  	defer teardown()
  2124  
  2125  	clientID, clientSecret := "id", "secret"
  2126  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  2127  		id, secret, ok := r.BasicAuth()
  2128  		if !ok {
  2129  			t.Errorf("request does not contain basic auth credentials")
  2130  		}
  2131  		if id != clientID {
  2132  			t.Errorf("request contained basic auth username %q, want %q", id, clientID)
  2133  		}
  2134  		if secret != clientSecret {
  2135  			t.Errorf("request contained basic auth password %q, want %q", secret, clientSecret)
  2136  		}
  2137  	})
  2138  
  2139  	tp := &UnauthenticatedRateLimitedTransport{
  2140  		ClientID:     clientID,
  2141  		ClientSecret: clientSecret,
  2142  	}
  2143  	unauthedClient := NewClient(tp.Client())
  2144  	unauthedClient.BaseURL = client.BaseURL
  2145  	req, _ := unauthedClient.NewRequest("GET", ".", nil)
  2146  	ctx := context.Background()
  2147  	unauthedClient.Do(ctx, req, nil)
  2148  }
  2149  
  2150  func TestUnauthenticatedRateLimitedTransport_missingFields(t *testing.T) {
  2151  	// missing ClientID
  2152  	tp := &UnauthenticatedRateLimitedTransport{
  2153  		ClientSecret: "secret",
  2154  	}
  2155  	_, err := tp.RoundTrip(nil)
  2156  	if err == nil {
  2157  		t.Errorf("Expected error to be returned")
  2158  	}
  2159  
  2160  	// missing ClientSecret
  2161  	tp = &UnauthenticatedRateLimitedTransport{
  2162  		ClientID: "id",
  2163  	}
  2164  	_, err = tp.RoundTrip(nil)
  2165  	if err == nil {
  2166  		t.Errorf("Expected error to be returned")
  2167  	}
  2168  }
  2169  
  2170  func TestUnauthenticatedRateLimitedTransport_transport(t *testing.T) {
  2171  	// default transport
  2172  	tp := &UnauthenticatedRateLimitedTransport{
  2173  		ClientID:     "id",
  2174  		ClientSecret: "secret",
  2175  	}
  2176  	if tp.transport() != http.DefaultTransport {
  2177  		t.Errorf("Expected http.DefaultTransport to be used.")
  2178  	}
  2179  
  2180  	// custom transport
  2181  	tp = &UnauthenticatedRateLimitedTransport{
  2182  		ClientID:     "id",
  2183  		ClientSecret: "secret",
  2184  		Transport:    &http.Transport{},
  2185  	}
  2186  	if tp.transport() == http.DefaultTransport {
  2187  		t.Errorf("Expected custom transport to be used.")
  2188  	}
  2189  }
  2190  
  2191  func TestBasicAuthTransport(t *testing.T) {
  2192  	client, mux, _, teardown := setup()
  2193  	defer teardown()
  2194  
  2195  	username, password, otp := "u", "p", "123456"
  2196  
  2197  	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
  2198  		u, p, ok := r.BasicAuth()
  2199  		if !ok {
  2200  			t.Errorf("request does not contain basic auth credentials")
  2201  		}
  2202  		if u != username {
  2203  			t.Errorf("request contained basic auth username %q, want %q", u, username)
  2204  		}
  2205  		if p != password {
  2206  			t.Errorf("request contained basic auth password %q, want %q", p, password)
  2207  		}
  2208  		if got, want := r.Header.Get(headerOTP), otp; got != want {
  2209  			t.Errorf("request contained OTP %q, want %q", got, want)
  2210  		}
  2211  	})
  2212  
  2213  	tp := &BasicAuthTransport{
  2214  		Username: username,
  2215  		Password: password,
  2216  		OTP:      otp,
  2217  	}
  2218  	basicAuthClient := NewClient(tp.Client())
  2219  	basicAuthClient.BaseURL = client.BaseURL
  2220  	req, _ := basicAuthClient.NewRequest("GET", ".", nil)
  2221  	ctx := context.Background()
  2222  	basicAuthClient.Do(ctx, req, nil)
  2223  }
  2224  
  2225  func TestBasicAuthTransport_transport(t *testing.T) {
  2226  	// default transport
  2227  	tp := &BasicAuthTransport{}
  2228  	if tp.transport() != http.DefaultTransport {
  2229  		t.Errorf("Expected http.DefaultTransport to be used.")
  2230  	}
  2231  
  2232  	// custom transport
  2233  	tp = &BasicAuthTransport{
  2234  		Transport: &http.Transport{},
  2235  	}
  2236  	if tp.transport() == http.DefaultTransport {
  2237  		t.Errorf("Expected custom transport to be used.")
  2238  	}
  2239  }
  2240  
  2241  func TestFormatRateReset(t *testing.T) {
  2242  	d := 120*time.Minute + 12*time.Second
  2243  	got := formatRateReset(d)
  2244  	want := "[rate reset in 120m12s]"
  2245  	if got != want {
  2246  		t.Errorf("Format is wrong. got: %v, want: %v", got, want)
  2247  	}
  2248  
  2249  	d = 14*time.Minute + 2*time.Second
  2250  	got = formatRateReset(d)
  2251  	want = "[rate reset in 14m02s]"
  2252  	if got != want {
  2253  		t.Errorf("Format is wrong. got: %v, want: %v", got, want)
  2254  	}
  2255  
  2256  	d = 2*time.Minute + 2*time.Second
  2257  	got = formatRateReset(d)
  2258  	want = "[rate reset in 2m02s]"
  2259  	if got != want {
  2260  		t.Errorf("Format is wrong. got: %v, want: %v", got, want)
  2261  	}
  2262  
  2263  	d = 12 * time.Second
  2264  	got = formatRateReset(d)
  2265  	want = "[rate reset in 12s]"
  2266  	if got != want {
  2267  		t.Errorf("Format is wrong. got: %v, want: %v", got, want)
  2268  	}
  2269  
  2270  	d = -1 * (2*time.Hour + 2*time.Second)
  2271  	got = formatRateReset(d)
  2272  	want = "[rate limit was reset 120m02s ago]"
  2273  	if got != want {
  2274  		t.Errorf("Format is wrong. got: %v, want: %v", got, want)
  2275  	}
  2276  }
  2277  
  2278  func TestNestedStructAccessorNoPanic(t *testing.T) {
  2279  	issue := &Issue{User: nil}
  2280  	got := issue.GetUser().GetPlan().GetName()
  2281  	want := ""
  2282  	if got != want {
  2283  		t.Errorf("Issues.Get.GetUser().GetPlan().GetName() returned %+v, want %+v", got, want)
  2284  	}
  2285  }
  2286  
  2287  func TestTwoFactorAuthError(t *testing.T) {
  2288  	u, err := url.Parse("https://example.com")
  2289  	if err != nil {
  2290  		t.Fatal(err)
  2291  	}
  2292  
  2293  	e := &TwoFactorAuthError{
  2294  		Response: &http.Response{
  2295  			Request:    &http.Request{Method: "PUT", URL: u},
  2296  			StatusCode: http.StatusTooManyRequests,
  2297  		},
  2298  		Message: "<msg>",
  2299  	}
  2300  	if got, want := e.Error(), "PUT https://example.com: 429 <msg> []"; got != want {
  2301  		t.Errorf("TwoFactorAuthError = %q, want %q", got, want)
  2302  	}
  2303  }
  2304  
  2305  func TestRateLimitError(t *testing.T) {
  2306  	u, err := url.Parse("https://example.com")
  2307  	if err != nil {
  2308  		t.Fatal(err)
  2309  	}
  2310  
  2311  	r := &RateLimitError{
  2312  		Response: &http.Response{
  2313  			Request:    &http.Request{Method: "PUT", URL: u},
  2314  			StatusCode: http.StatusTooManyRequests,
  2315  		},
  2316  		Message: "<msg>",
  2317  	}
  2318  	if got, want := r.Error(), "PUT https://example.com: 429 <msg> [rate limit was reset"; !strings.Contains(got, want) {
  2319  		t.Errorf("RateLimitError = %q, want %q", got, want)
  2320  	}
  2321  }
  2322  
  2323  func TestAcceptedError(t *testing.T) {
  2324  	a := &AcceptedError{}
  2325  	if got, want := a.Error(), "try again later"; !strings.Contains(got, want) {
  2326  		t.Errorf("AcceptedError = %q, want %q", got, want)
  2327  	}
  2328  }
  2329  
  2330  func TestAbuseRateLimitError(t *testing.T) {
  2331  	u, err := url.Parse("https://example.com")
  2332  	if err != nil {
  2333  		t.Fatal(err)
  2334  	}
  2335  
  2336  	r := &AbuseRateLimitError{
  2337  		Response: &http.Response{
  2338  			Request:    &http.Request{Method: "PUT", URL: u},
  2339  			StatusCode: http.StatusTooManyRequests,
  2340  		},
  2341  		Message: "<msg>",
  2342  	}
  2343  	if got, want := r.Error(), "PUT https://example.com: 429 <msg>"; got != want {
  2344  		t.Errorf("AbuseRateLimitError = %q, want %q", got, want)
  2345  	}
  2346  }
  2347  
  2348  func TestAddOptions_QueryValues(t *testing.T) {
  2349  	if _, err := addOptions("yo", ""); err == nil {
  2350  		t.Error("addOptions err = nil, want error")
  2351  	}
  2352  }
  2353  
  2354  func TestBareDo_returnsOpenBody(t *testing.T) {
  2355  	client, mux, _, teardown := setup()
  2356  	defer teardown()
  2357  
  2358  	expectedBody := "Hello from the other side !"
  2359  
  2360  	mux.HandleFunc("/test-url", func(w http.ResponseWriter, r *http.Request) {
  2361  		testMethod(t, r, "GET")
  2362  		fmt.Fprint(w, expectedBody)
  2363  	})
  2364  
  2365  	ctx := context.Background()
  2366  	req, err := client.NewRequest("GET", "test-url", nil)
  2367  	if err != nil {
  2368  		t.Fatalf("client.NewRequest returned error: %v", err)
  2369  	}
  2370  
  2371  	resp, err := client.BareDo(ctx, req)
  2372  	if err != nil {
  2373  		t.Fatalf("client.BareDo returned error: %v", err)
  2374  	}
  2375  
  2376  	got, err := ioutil.ReadAll(resp.Body)
  2377  	if err != nil {
  2378  		t.Fatalf("ioutil.ReadAll returned error: %v", err)
  2379  	}
  2380  	if string(got) != expectedBody {
  2381  		t.Fatalf("Expected %q, got %q", expectedBody, string(got))
  2382  	}
  2383  	if err := resp.Body.Close(); err != nil {
  2384  		t.Fatalf("resp.Body.Close() returned error: %v", err)
  2385  	}
  2386  }
  2387  
  2388  // roundTripperFunc creates a mock RoundTripper (transport)
  2389  type roundTripperFunc func(*http.Request) (*http.Response, error)
  2390  
  2391  func (fn roundTripperFunc) RoundTrip(r *http.Request) (*http.Response, error) {
  2392  	return fn(r)
  2393  }
  2394  
  2395  func TestErrorResponse_Marshal(t *testing.T) {
  2396  	testJSONMarshal(t, &ErrorResponse{}, "{}")
  2397  
  2398  	u := &ErrorResponse{
  2399  		Message: "msg",
  2400  		Errors: []Error{
  2401  			{
  2402  				Resource: "res",
  2403  				Field:    "f",
  2404  				Code:     "c",
  2405  				Message:  "msg",
  2406  			},
  2407  		},
  2408  		Block: &ErrorBlock{
  2409  			Reason:    "reason",
  2410  			CreatedAt: &Timestamp{referenceTime},
  2411  		},
  2412  		DocumentationURL: "doc",
  2413  	}
  2414  
  2415  	want := `{
  2416  		"message": "msg",
  2417  		"errors": [
  2418  			{
  2419  				"resource": "res",
  2420  				"field": "f",
  2421  				"code": "c",
  2422  				"message": "msg"
  2423  			}
  2424  		],
  2425  		"block": {
  2426  			"reason": "reason",
  2427  			"created_at": ` + referenceTimeStr + `
  2428  		},
  2429  		"documentation_url": "doc"
  2430  	}`
  2431  
  2432  	testJSONMarshal(t, u, want)
  2433  }
  2434  
  2435  func TestErrorBlock_Marshal(t *testing.T) {
  2436  	testJSONMarshal(t, &ErrorBlock{}, "{}")
  2437  
  2438  	u := &ErrorBlock{
  2439  		Reason:    "reason",
  2440  		CreatedAt: &Timestamp{referenceTime},
  2441  	}
  2442  
  2443  	want := `{
  2444  		"reason": "reason",
  2445  		"created_at": ` + referenceTimeStr + `
  2446  	}`
  2447  
  2448  	testJSONMarshal(t, u, want)
  2449  }
  2450  
  2451  func TestRateLimitError_Marshal(t *testing.T) {
  2452  	testJSONMarshal(t, &RateLimitError{}, "{}")
  2453  
  2454  	u := &RateLimitError{
  2455  		Rate: Rate{
  2456  			Limit:     1,
  2457  			Remaining: 1,
  2458  			Reset:     Timestamp{referenceTime},
  2459  		},
  2460  		Message: "msg",
  2461  	}
  2462  
  2463  	want := `{
  2464  		"Rate": {
  2465  			"limit": 1,
  2466  			"remaining": 1,
  2467  			"reset": ` + referenceTimeStr + `
  2468  		},
  2469  		"message": "msg"
  2470  	}`
  2471  
  2472  	testJSONMarshal(t, u, want)
  2473  }
  2474  
  2475  func TestAbuseRateLimitError_Marshal(t *testing.T) {
  2476  	testJSONMarshal(t, &AbuseRateLimitError{}, "{}")
  2477  
  2478  	u := &AbuseRateLimitError{
  2479  		Message: "msg",
  2480  	}
  2481  
  2482  	want := `{
  2483  		"message": "msg"
  2484  	}`
  2485  
  2486  	testJSONMarshal(t, u, want)
  2487  }
  2488  
  2489  func TestError_Marshal(t *testing.T) {
  2490  	testJSONMarshal(t, &Error{}, "{}")
  2491  
  2492  	u := &Error{
  2493  		Resource: "res",
  2494  		Field:    "field",
  2495  		Code:     "code",
  2496  		Message:  "msg",
  2497  	}
  2498  
  2499  	want := `{
  2500  		"resource": "res",
  2501  		"field": "field",
  2502  		"code": "code",
  2503  		"message": "msg"
  2504  	}`
  2505  
  2506  	testJSONMarshal(t, u, want)
  2507  }
  2508  
  2509  func TestRate_Marshal(t *testing.T) {
  2510  	testJSONMarshal(t, &Rate{}, "{}")
  2511  
  2512  	u := &Rate{
  2513  		Limit:     1,
  2514  		Remaining: 1,
  2515  		Reset:     Timestamp{referenceTime},
  2516  	}
  2517  
  2518  	want := `{
  2519  		"limit": 1,
  2520  		"remaining": 1,
  2521  		"reset": ` + referenceTimeStr + `
  2522  	}`
  2523  
  2524  	testJSONMarshal(t, u, want)
  2525  }
  2526  
  2527  func TestRateLimits_Marshal(t *testing.T) {
  2528  	testJSONMarshal(t, &RateLimits{}, "{}")
  2529  
  2530  	u := &RateLimits{
  2531  		Core: &Rate{
  2532  			Limit:     1,
  2533  			Remaining: 1,
  2534  			Reset:     Timestamp{referenceTime},
  2535  		},
  2536  		Search: &Rate{
  2537  			Limit:     1,
  2538  			Remaining: 1,
  2539  			Reset:     Timestamp{referenceTime},
  2540  		},
  2541  		GraphQL: &Rate{
  2542  			Limit:     1,
  2543  			Remaining: 1,
  2544  			Reset:     Timestamp{referenceTime},
  2545  		},
  2546  		IntegrationManifest: &Rate{
  2547  			Limit:     1,
  2548  			Remaining: 1,
  2549  			Reset:     Timestamp{referenceTime},
  2550  		},
  2551  		SourceImport: &Rate{
  2552  			Limit:     1,
  2553  			Remaining: 1,
  2554  			Reset:     Timestamp{referenceTime},
  2555  		},
  2556  		CodeScanningUpload: &Rate{
  2557  			Limit:     1,
  2558  			Remaining: 1,
  2559  			Reset:     Timestamp{referenceTime},
  2560  		},
  2561  		ActionsRunnerRegistration: &Rate{
  2562  			Limit:     1,
  2563  			Remaining: 1,
  2564  			Reset:     Timestamp{referenceTime},
  2565  		},
  2566  		SCIM: &Rate{
  2567  			Limit:     1,
  2568  			Remaining: 1,
  2569  			Reset:     Timestamp{referenceTime},
  2570  		},
  2571  	}
  2572  
  2573  	want := `{
  2574  		"core": {
  2575  			"limit": 1,
  2576  			"remaining": 1,
  2577  			"reset": ` + referenceTimeStr + `
  2578  		},
  2579  		"search": {
  2580  			"limit": 1,
  2581  			"remaining": 1,
  2582  			"reset": ` + referenceTimeStr + `
  2583  		},
  2584  		"graphql": {
  2585  			"limit": 1,
  2586  			"remaining": 1,
  2587  			"reset": ` + referenceTimeStr + `
  2588  		},
  2589  		"integration_manifest": {
  2590  			"limit": 1,
  2591  			"remaining": 1,
  2592  			"reset": ` + referenceTimeStr + `
  2593  		},
  2594  		"source_import": {
  2595  			"limit": 1,
  2596  			"remaining": 1,
  2597  			"reset": ` + referenceTimeStr + `
  2598  		},
  2599  		"code_scanning_upload": {
  2600  			"limit": 1,
  2601  			"remaining": 1,
  2602  			"reset": ` + referenceTimeStr + `
  2603  		},
  2604  		"actions_runner_registration": {
  2605  			"limit": 1,
  2606  			"remaining": 1,
  2607  			"reset": ` + referenceTimeStr + `
  2608  		},
  2609  		"scim": {
  2610  			"limit": 1,
  2611  			"remaining": 1,
  2612  			"reset": ` + referenceTimeStr + `
  2613  		}
  2614  	}`
  2615  
  2616  	testJSONMarshal(t, u, want)
  2617  }
  2618  
  2619  func TestParseTokenExpiration(t *testing.T) {
  2620  	tests := []struct {
  2621  		header string
  2622  		want   Timestamp
  2623  	}{
  2624  		{
  2625  			header: "",
  2626  			want:   Timestamp{},
  2627  		},
  2628  		{
  2629  			header: "this is a garbage",
  2630  			want:   Timestamp{},
  2631  		},
  2632  		{
  2633  			header: "2021-09-03 02:34:04 UTC",
  2634  			want:   Timestamp{time.Date(2021, time.September, 3, 2, 34, 4, 0, time.UTC)},
  2635  		},
  2636  	}
  2637  
  2638  	for _, tt := range tests {
  2639  		res := &http.Response{
  2640  			Request: &http.Request{},
  2641  			Header:  http.Header{},
  2642  		}
  2643  
  2644  		res.Header.Set(headerTokenExpiration, tt.header)
  2645  		exp := parseTokenExpiration(res)
  2646  		if !exp.Equal(tt.want) {
  2647  			t.Errorf("parseTokenExpiration returned %#v, want %#v", exp, tt.want)
  2648  		}
  2649  	}
  2650  }
  2651  

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