| package main |
| |
| import ( |
| "bytes" |
| "io/ioutil" |
| "os" |
| "testing" |
| ) |
| |
| func Test_MainXunitNet(t *testing.T) { |
| filename := "gocheck-pass.out" |
| args := []string{"-gocheck", "-input", "data/" + filename} |
| os.Args = append(os.Args, args...) |
| |
| expected, err := ioutil.ReadAll(getOutputData("xunit", filename)) |
| checkError(err) |
| |
| // this can be done only once or test framework will panic |
| actual := []byte(captureOutput(main)) |
| |
| if !bytes.Equal(expected, actual) { |
| t.Errorf("xUnit.net XML output %s differs from expected", filename) |
| } |
| } |
| |
| // captures Stdout and returns output of function f() |
| func captureOutput(f func()) string { |
| // redirect output |
| old := os.Stdout |
| r, w, _ := os.Pipe() |
| os.Stdout = w |
| |
| f() |
| |
| // reset output again |
| w.Close() |
| os.Stdout = old |
| |
| captured, _ := ioutil.ReadAll(r) |
| return string(captured) |
| } |
