| 100 | } |
| 101 | |
| 102 | func TestEncodeContentLength(t *testing.T) { |
| 103 | cases := map[string]struct { |
| 104 | headerValue string |
| 105 | expected int64 |
| 106 | wantErr bool |
| 107 | }{ |
| 108 | "valid number": { |
| 109 | headerValue: "1024", |
| 110 | expected: 1024, |
| 111 | }, |
| 112 | "invalid number": { |
| 113 | headerValue: "1024.5", |
| 114 | wantErr: true, |
| 115 | }, |
| 116 | "not a number": { |
| 117 | headerValue: "NaN", |
| 118 | wantErr: true, |
| 119 | }, |
| 120 | } |
| 121 | |
| 122 | for name, tt := range cases { |
| 123 | t.Run(name, func(t *testing.T) { |
| 124 | encoder, err := NewEncoder("/", "", http.Header{}) |
| 125 | if err != nil { |
| 126 | t.Fatalf("expect no error, got %v", err) |
| 127 | } |
| 128 | |
| 129 | encoder.SetHeader("Content-Length").String(tt.headerValue) |
| 130 | |
| 131 | req := &http.Request{URL: &url.URL{}} |
| 132 | req, err = encoder.Encode(req) |
| 133 | if (err != nil) != tt.wantErr { |
| 134 | t.Fatalf("unexpected error value wantErr=%v", tt.wantErr) |
| 135 | } else if tt.wantErr { |
| 136 | return |
| 137 | } |
| 138 | if e, a := tt.expected, req.ContentLength; e != a { |
| 139 | t.Errorf("expect %v, got %v", e, a) |
| 140 | } |
| 141 | if v := req.Header.Get("Content-Length"); len(v) > 0 { |
| 142 | t.Errorf("expect header not to be set") |
| 143 | } |
| 144 | }) |
| 145 | } |
| 146 | } |