redirect_test.go

Documentation: golang.org/x/tools/godoc/redirect

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package redirect
     6  
     7  import (
     8  	"net/http"
     9  	"net/http/httptest"
    10  	"testing"
    11  )
    12  
    13  type redirectResult struct {
    14  	status int
    15  	path   string
    16  }
    17  
    18  func errorResult(status int) redirectResult {
    19  	return redirectResult{status, ""}
    20  }
    21  
    22  func TestRedirects(t *testing.T) {
    23  	var tests = map[string]redirectResult{
    24  		"/foo": errorResult(404),
    25  	}
    26  
    27  	mux := http.NewServeMux()
    28  	Register(mux)
    29  	ts := httptest.NewServer(mux)
    30  	defer ts.Close()
    31  
    32  	for path, want := range tests {
    33  		if want.path != "" && want.path[0] == '/' {
    34  			// All redirects are absolute.
    35  			want.path = ts.URL + want.path
    36  		}
    37  
    38  		req, err := http.NewRequest("GET", ts.URL+path, nil)
    39  		if err != nil {
    40  			t.Errorf("(path: %q) unexpected error: %v", path, err)
    41  			continue
    42  		}
    43  
    44  		resp, err := http.DefaultTransport.RoundTrip(req)
    45  		if err != nil {
    46  			t.Errorf("(path: %q) unexpected error: %v", path, err)
    47  			continue
    48  		}
    49  		resp.Body.Close() // We only care about the headers, so close the body immediately.
    50  
    51  		if resp.StatusCode != want.status {
    52  			t.Errorf("(path: %q) got status %d, want %d", path, resp.StatusCode, want.status)
    53  		}
    54  
    55  		if want.status != 301 && want.status != 302 {
    56  			// Not a redirect. Just check status.
    57  			continue
    58  		}
    59  
    60  		out, _ := resp.Location()
    61  		if got := out.String(); got != want.path {
    62  			t.Errorf("(path: %q) got %s, want %s", path, got, want.path)
    63  		}
    64  	}
    65  }
    66
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