Method fail

mock/mock.go:354–363

fail fails the current test with the given formatted format and args. In case that a test was defined, it uses the test APIs for failing a test, otherwise it uses panic.

(format string, args ...interface{})

// In case that a test was defined, it uses the test APIs for failing a test,
// otherwise it uses panic.
func (m *Mock) fail(format string, args ...interface{}) {
	m.mutex.Lock()
	defer m.mutex.Unlock()

	if m.test == nil {
		panic(fmt.Sprintf(format, args...))
	}
	m.test.Errorf(format, args...)
	m.test.FailNow()
}

// On starts a description of an expectation of the specified method
// being called.