| package main |
| |
| import ( |
| "bytes" |
| "flag" |
| "io/ioutil" |
| "path/filepath" |
| "testing" |
| ) |
| |
| var updateGolden = flag.Bool("update_golden", false, "If true, causes TestAPIs to update golden files") |
| |
| func TestAPIs(t *testing.T) { |
| names := []string{"blogger-3", "quotednum"} |
| for _, name := range names { |
| api, err := apiFromFile(filepath.Join("testdata", name+".json")) |
| if err != nil { |
| t.Errorf("Error loading API testdata/%s.json: %v", name, err) |
| continue |
| } |
| clean, err := api.GenerateCode() |
| if err != nil { |
| t.Errorf("Error generating code for %s: %v", name, err) |
| continue |
| } |
| goldenFile := filepath.Join("testdata", name+".want") |
| if *updateGolden { |
| if err := ioutil.WriteFile(goldenFile, clean, 0644); err != nil { |
| t.Fatal(err) |
| } |
| } |
| want, err := ioutil.ReadFile(goldenFile) |
| if err != nil { |
| t.Error(err) |
| continue |
| } |
| if !bytes.Equal(want, clean) { |
| tf, _ := ioutil.TempFile("", "api-"+name+"-got-json.") |
| tf.Write(clean) |
| tf.Close() |
| t.Errorf("Output for API %s differs: diff -u %s %s", name, goldenFile, tf.Name()) |
| } |
| } |
| } |
