Function TestResponseEncoder

http/encoding_test.go:131–183

(t *testing.T)

}

func TestResponseEncoder(t *testing.T) {
	cases := []struct {
		name        string
		contentType string
		acceptType  string
		encoderType string
	}{
		{"no ct, no at", "", "", "*json.Encoder"},
		{"no ct, at json", "", "application/json", "*json.Encoder"},
		{"no ct, at xml", "", "application/xml", "*xml.Encoder"},
		{"no ct, at gob", "", "application/gob", "*gob.Encoder"},
		{"no ct, at html", "", "text/html", "*http.textEncoder"},
		{"no ct, at plain", "", "text/plain", "*http.textEncoder"},
		{"ct json", "application/json", "application/gob", "*json.Encoder"},
		{"ct +json", "+json", "application/gob", "*json.Encoder"},
		{"ct xml", "application/xml", "application/gob", "*xml.Encoder"},
		{"ct +xml", "+xml", "application/gob", "*xml.Encoder"},
		{"ct gob", "application/gob", "application/xml", "*gob.Encoder"},
		{"ct +gob", "+gob", "application/xml", "*gob.Encoder"},
		{"ct html", "text/html", "application/gob", "*http.textEncoder"},
		{"ct +html", "+html", "application/gob", "*http.textEncoder"},
		{"ct plain", "text/plain", "application/gob", "*http.textEncoder"},
		{"ct +txt", "+txt", "application/gob", "*http.textEncoder"},
		{"no ct, at json with params", "", "application/json; charset=utf-8", "*json.Encoder"},
		{"no ct, at xml with params", "", "application/xml; charset=utf-8", "*xml.Encoder"},
		{"no ct, at gob with params", "", "application/gob; charset=utf-8", "*gob.Encoder"},
		{"no ct, at html with params", "", "text/html; charset=utf-8", "*http.textEncoder"},
		{"no ct, at plain with params", "", "text/plain; charset=utf-8", "*http.textEncoder"},
		{"ct json with params", "application/json; charset=utf-8", "application/gob", "*json.Encoder"},
		{"ct +json with params", "+json; charset=utf-8", "application/gob", "*json.Encoder"},
		{"ct xml with params", "application/xml; charset=utf-8", "application/gob", "*xml.Encoder"},
		{"ct +xml with params", "+xml; charset=utf-8", "application/gob", "*xml.Encoder"},
		{"ct gob with params", "application/gob; charset=utf-8", "application/xml", "*gob.Encoder"},
		{"ct +gob with params", "+gob; charset=utf-8", "application/xml", "*gob.Encoder"},
		{"ct html with params", "text/html; charset=utf-8", "application/gob", "*http.textEncoder"},
		{"ct +html with params", "+html; charset=utf-8", "application/gob", "*http.textEncoder"},
		{"ct plain with params", "text/plain; charset=utf-8", "application/gob", "*http.textEncoder"},
		{"ct +txt with params", "+txt; charset=utf-8", "application/gob", "*http.textEncoder"},
	}

	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			ctx := context.Background()
			ctx = context.WithValue(ctx, AcceptTypeKey, c.acceptType)
			ctx = context.WithValue(ctx, ContentTypeKey, c.contentType)
			w := httptest.NewRecorder()

			encoder := ResponseEncoder(ctx, w)

			assert.Equal(t, c.encoderType, fmt.Sprintf("%T", encoder))
		})
	}
}

func TestResponseEncoder_ContentTypeHeaderPreservesCharset(t *testing.T) {
	ctx := context.Background()