Function Fail

assert/assertions.go:366–390

Fail reports a failure through

(t TestingT, failureMessage string, msgAndArgs ...interface{})

// Fail reports a failure through
func Fail(t TestingT, failureMessage string, msgAndArgs ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	content := []labeledContent{
		{"Error Trace", strings.Join(CallerInfo(), "\n\t\t\t")},
		{"Error", failureMessage},
	}

	// Add test name if the Go version supports it
	if n, ok := t.(interface {
		Name() string
	}); ok {
		content = append(content, labeledContent{"Test", n.Name()})
	}

	message := messageFromMsgAndArgs(msgAndArgs...)
	if len(message) > 0 {
		content = append(content, labeledContent{"Messages", message})
	}

	t.Errorf("\n%s", ""+labeledOutput(content...))

	return false
}

type labeledContent struct {
	label   string