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57 lines
1.1 KiB
57 lines
1.1 KiB
package httputil
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import (
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"net/http/httptest"
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"testing"
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)
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func TestWriteJSONResponse(t *testing.T) {
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for i, test := range []struct {
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code int
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resp interface{}
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expectedJSON string
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expectErr bool
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}{
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{
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200,
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struct {
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A string
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B string
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}{A: "foo", B: "bar"},
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`{"A":"foo","B":"bar"}`,
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false,
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},
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{
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500,
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// Something that json.Marshal cannot serialize.
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make(chan int),
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"",
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true,
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},
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} {
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w := httptest.NewRecorder()
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err := WriteJSONResponse(w, test.code, test.resp)
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if w.Code != test.code {
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t.Errorf("case %d: w.code == %v, want %v", i, w.Code, test.code)
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}
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if (err != nil) != test.expectErr {
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t.Errorf("case %d: (err != nil) == %v, want %v. err: %v", i, err != nil, test.expectErr, err)
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}
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if string(w.Body.Bytes()) != test.expectedJSON {
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t.Errorf("case %d: w.Body.Bytes()) == %q, want %q", i,
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string(w.Body.Bytes()), test.expectedJSON)
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}
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if !test.expectErr {
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contentType := w.Header()["Content-Type"][0]
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if contentType != JSONContentType {
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t.Errorf("case %d: contentType == %v, want %v", i, contentType, JSONContentType)
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}
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}
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}
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}
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