Mocking in Golang

mocking_in_go.go

type MockSlackClient2 struct {
	PostMessageCalled bool
	Message           string
	Entry             *model.Entry
	Status            string

	postMessage func(string, string, string)
	postMessageWithMarkdown func(sting, string, string)
}

func (m MockSlackClient2) PostMessage(message, channel, status string) {
	m.postMessage(message, channel, status)
}

func TestIt(t *testing.T) {
	f := func(m, c, s string) {
		// if this is called, fail
		t.Fail()
	}
	m := MockSlackClient2{postMessage: f}
	m.Postmessagewithmarkdown("a", "b", "c")
}