http request mocking code samples

httptest_test.go

func TestGetFixedValue(t *testing.T) {
   server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
       if r.URL.Path != "/fixedvalue" {
           t.Errorf("Expected to request '/fixedvalue', got: %s", r.URL.Path)
       }
       if r.Header.Get("Accept") != "application/json" {
           t.Errorf("Expected Accept: application/json header, got: %s", r.Header.Get("Accept"))
       }
       w.WriteHeader(http.StatusOK)
       w.Write([]byte(`{"value":"fixed"}`))
   }))
   defer server.Close()
 
   value, _ := GetFixedValue(server.URL)
   if value != "fixed" {
       t.Errorf("Expected 'fixed', got %s", value)
   }
}

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