errors_test.go

Documentation: github.com/go-kivik/kivik/v4/couchdb/chttp

     1  // Licensed under the Apache License, Version 2.0 (the "License"); you may not
     2  // use this file except in compliance with the License. You may obtain a copy of
     3  // the License at
     4  //
     5  //  http://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     9  // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    10  // License for the specific language governing permissions and limitations under
    11  // the License.
    12  
    13  package chttp
    14  
    15  import (
    16  	"net/http"
    17  	"testing"
    18  
    19  	"gitlab.com/flimzy/testy"
    20  
    21  	internal "github.com/go-kivik/kivik/v4/int/errors"
    22  )
    23  
    24  func TestHTTPErrorError(t *testing.T) {
    25  	tests := []struct {
    26  		name     string
    27  		input    *HTTPError
    28  		expected string
    29  	}{
    30  		{
    31  			name: "No reason",
    32  			input: &HTTPError{
    33  				Response: &http.Response{StatusCode: 400},
    34  			},
    35  			expected: "Bad Request",
    36  		},
    37  		{
    38  			name: "Reason, HTTP code",
    39  			input: &HTTPError{
    40  				Response: &http.Response{StatusCode: 400},
    41  				Reason:   "Bad stuff",
    42  			},
    43  			expected: "Bad Request: Bad stuff",
    44  		},
    45  		{
    46  			name: "Non-HTTP code",
    47  			input: &HTTPError{
    48  				Response: &http.Response{StatusCode: 604},
    49  				Reason:   "Bad stuff",
    50  			},
    51  			expected: "Bad stuff",
    52  		},
    53  	}
    54  	for _, test := range tests {
    55  		t.Run(test.name, func(t *testing.T) {
    56  			result := test.input.Error()
    57  			if result != test.expected {
    58  				t.Errorf("Unexpected result: %s", result)
    59  			}
    60  		})
    61  	}
    62  }
    63  
    64  func TestResponseError(t *testing.T) {
    65  	tests := []struct {
    66  		name     string
    67  		resp     *http.Response
    68  		status   int
    69  		err      string
    70  		expected interface{}
    71  	}{
    72  		{
    73  			name:     "non error",
    74  			resp:     &http.Response{StatusCode: 200},
    75  			expected: nil,
    76  		},
    77  		{
    78  			name: "HEAD error",
    79  			resp: &http.Response{
    80  				StatusCode: http.StatusNotFound,
    81  				Request:    &http.Request{Method: "HEAD"},
    82  				Body:       Body(""),
    83  			},
    84  			status: http.StatusNotFound,
    85  			err:    "Not Found",
    86  			expected: &internal.Error{
    87  				Status: http.StatusNotFound,
    88  				Err: &HTTPError{
    89  					Response: &http.Response{
    90  						StatusCode: http.StatusBadRequest,
    91  					},
    92  				},
    93  			},
    94  		},
    95  		{
    96  			name: "2.0.0 error",
    97  			resp: &http.Response{
    98  				StatusCode: http.StatusBadRequest,
    99  				Header: http.Header{
   100  					"Cache-Control":       {"must-revalidate"},
   101  					"Content-Length":      {"194"},
   102  					"Content-Type":        {"application/json"},
   103  					"Date":                {"Fri, 27 Oct 2017 15:34:07 GMT"},
   104  					"Server":              {"CouchDB/2.0.0 (Erlang OTP/17)"},
   105  					"X-Couch-Request-ID":  {"92d05bd015"},
   106  					"X-CouchDB-Body-Time": {"0"},
   107  				},
   108  				ContentLength: 194,
   109  				Body:          Body(`{"error":"illegal_database_name","reason":"Name: '_foo'. Only lowercase characters (a-z), digits (0-9), and any of the characters _, $, (, ), +, -, and / are allowed. Must begin with a letter."}`),
   110  				Request:       &http.Request{Method: "PUT"},
   111  			},
   112  			status: http.StatusBadRequest,
   113  			err:    "Bad Request: Name: '_foo'. Only lowercase characters (a-z), digits (0-9), and any of the characters _, $, (, ), +, -, and / are allowed. Must begin with a letter.",
   114  			expected: &internal.Error{
   115  				Status: http.StatusBadRequest,
   116  				Err: &HTTPError{
   117  					Response: &http.Response{
   118  						StatusCode: http.StatusBadRequest,
   119  					},
   120  					Reason: "Name: '_foo'. Only lowercase characters (a-z), digits (0-9), and any of the characters _, $, (, ), +, -, and / are allowed. Must begin with a letter.",
   121  				},
   122  			},
   123  		},
   124  		{
   125  			name: "invalid json error",
   126  			resp: &http.Response{
   127  				StatusCode: http.StatusBadRequest,
   128  				Header: http.Header{
   129  					"Server":         {"CouchDB/1.6.1 (Erlang OTP/17)"},
   130  					"Date":           {"Fri, 27 Oct 2017 15:42:34 GMT"},
   131  					"Content-Type":   {"application/json"},
   132  					"Content-Length": {"194"},
   133  					"Cache-Control":  {"must-revalidate"},
   134  				},
   135  				ContentLength: 194,
   136  				Body:          Body("invalid json"),
   137  				Request:       &http.Request{Method: "PUT"},
   138  			},
   139  			status: http.StatusBadRequest,
   140  			err:    "Bad Request",
   141  			expected: &internal.Error{
   142  				Status: http.StatusBadRequest,
   143  				Err: &HTTPError{
   144  					Response: &http.Response{
   145  						StatusCode: http.StatusBadRequest,
   146  					},
   147  				},
   148  			},
   149  		},
   150  	}
   151  	for _, test := range tests {
   152  		t.Run(test.name, func(t *testing.T) {
   153  			err := ResponseError(test.resp)
   154  			if d := internal.StatusErrorDiff(test.err, test.status, err); d != "" {
   155  				t.Error(d)
   156  			}
   157  			if err != nil {
   158  				return
   159  			}
   160  			if he, ok := err.(*HTTPError); ok {
   161  				he.Response = nil
   162  				err = he
   163  			}
   164  			if d := testy.DiffInterface(test.expected, err); d != nil {
   165  				t.Error(d)
   166  			}
   167  		})
   168  	}
   169  }
   170
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