1
兴农间谍,我有一个虚拟Backbone.Model
Mocha.js和Backbone.js的
App.Models.Note = Backbone.Model.extend({
default: {
title: ''
}
);
和我的模型像下面这样的Backbone.View
:
App.Views.NoteView = Backbone.View.extend({
template: ...,
initialize: function() {
this.listenTo(this.model, "change", this.render);
this.render();
},
render: function() {
this.$el.html(this.template({
title: this.model.get("title")
}));
return this;
}
});
为了进行测试,我使用mocha.js + chai + sinon,并且我有以下测试
describe("App.Views.NoteView", function() {
beforeEach(function() {
this.view = new App.Views.NoteView({
el: this.$fixture,
model: new App.Models.Note()
});
}
afterEach(function() {
this.view.model.destroy();
});
it("my try 1", function() {
var mySpy1 = sinon.spy(this.view, "render");
this.view.model.set({
title: "a new Title"
});
expect(this.view.render).to.have.been.calledOnce;
});
}
我试图测试的是如何间谍render
方法:当我更改模型属性时,将调用render
方法。然而,即使渲染正常执行,测试给我错误
'expected render to be called once but was called 0 times'
任何帮助吗?
抱歉,不知道我理解它总是给错误或只有当你不更改模型的属性? – Quince
当更改模型标题时,渲染方法正常调用。然而,无论如何,期望产生的错误高于 – geo
,我在这里发现了类似的问题:http://stackoverflow.com/questions/8441612/why-is-this-sinon-spy-not-being-called-when-i-run-此测试?RQ = 1 – geo