TestContextRenderDataFromReader() — gin Function Reference

Source Code

context_test.go lines 2950–2967

func TestContextRenderDataFromReader(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	body := "#!PNG some raw data"
	reader := strings.NewReader(body)
	contentLength := int64(len(body))
	contentType := "image/png"
	extraHeaders := map[string]string{"Content-Disposition": `attachment; filename="gopher.png"`}

	c.DataFromReader(http.StatusOK, contentLength, contentType, reader, extraHeaders)

	assert.Equal(t, http.StatusOK, w.Code)
	assert.Equal(t, body, w.Body.String())
	assert.Equal(t, contentType, w.Header().Get("Content-Type"))
	assert.Equal(t, strconv.FormatInt(contentLength, 10), w.Header().Get("Content-Length"))
	assert.Equal(t, extraHeaders["Content-Disposition"], w.Header().Get("Content-Disposition"))
}