Unit testing 使用可绑定和依赖项测试aurelia customElement
我正在使用Aurelia的1.0.0-beta.1,并尝试编写一些单元测试 我有这样一个自定义元素:Unit testing 使用可绑定和依赖项测试aurelia customElement,unit-testing,aurelia,custom-element,bindable,Unit Testing,Aurelia,Custom Element,Bindable,我正在使用Aurelia的1.0.0-beta.1,并尝试编写一些单元测试 我有这样一个自定义元素: ... @inject(BindingEngine, Class1, Class2) export class MyElement{ @bindable data; constructor (bindingEngine, class1, class2) { ... } ... import {TemplatingEngine} from 'aurelia-templating';
...
@inject(BindingEngine, Class1, Class2)
export class MyElement{
@bindable data;
constructor (bindingEngine, class1, class2) {
...
}
...
import {TemplatingEngine} from 'aurelia-templating';
import {Container} from 'aurelia-dependency-injection';
import {BindingEngine} from 'aurelia-binding';
import { Class1Mock, Class2Mock } from './myMocks';
describe('The MyElement customElement', () => {
let container;
let bindingEngine;
let templateEngine;
let myElement;
beforeEach(() => {
container = new Container();
//Add my mocks to DI container?
container.registerInstance('Class1', new Class1Mock());
container.registerInstance('Class2', new Class2Mock());
templateEngine = container.get(TemplatingEngine);
bindingEngine = container.get(BindingEngine);
myElement = templateEngine.createViewModelForUnitTest(MyElement);
}
it('should be initialized', (done) => {
expect(myElement).not.toBe(null);
expect(myElement).not.toBe(undefined);
done();
});
}
我想创建一个MyElement的可测试实例,模拟Class1和Class2
以及处理可绑定的字段数据
到目前为止,我发现,由于API的变化,使用BehaviorInstance的示例不再有效
在查看了,
我的方法现在看起来像这样:
...
@inject(BindingEngine, Class1, Class2)
export class MyElement{
@bindable data;
constructor (bindingEngine, class1, class2) {
...
}
...
import {TemplatingEngine} from 'aurelia-templating';
import {Container} from 'aurelia-dependency-injection';
import {BindingEngine} from 'aurelia-binding';
import { Class1Mock, Class2Mock } from './myMocks';
describe('The MyElement customElement', () => {
let container;
let bindingEngine;
let templateEngine;
let myElement;
beforeEach(() => {
container = new Container();
//Add my mocks to DI container?
container.registerInstance('Class1', new Class1Mock());
container.registerInstance('Class2', new Class2Mock());
templateEngine = container.get(TemplatingEngine);
bindingEngine = container.get(BindingEngine);
myElement = templateEngine.createViewModelForUnitTest(MyElement);
}
it('should be initialized', (done) => {
expect(myElement).not.toBe(null);
expect(myElement).not.toBe(undefined);
done();
});
}
在从DI容器请求bindingEngine时,或者在创建MyElement模型时,它已经失败了
Error: Error invoking TaskQueue. Check the inner error for details.
------------------------------------------------
inner error: TypeError: _aureliaPal.DOM.createMutationObserver is not a function
at makeRequestFlushFromMutationObserver (.../jspm_packages/npm/aurelia-task-queue@1.0.0-beta.1/aurelia-task-queue.js:13:36)
at new TaskQueue (.../jspm_packages/npm/aurelia-task-queue@1.0.0-beta.1/aurelia-task-queue.js:59:41)
at Object.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:334:14)
at InvocationHandler.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:309:168)
at Container.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:557:25)
at StrategyResolver.get (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:145:37)
at Container.get (../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:488:41)
at Object.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:354:33)
at InvocationHandler.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:309:168)
at Container.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:557:25)
at StrategyResolver.get (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:145:37)
at Container.get (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:488:41)
at Object.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:354:33)
at InvocationHandler.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:309:168)
at Container.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:557:25)
at StrategyResolver.get (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:145:37)
at Container.get (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:488:41)
at new AggregateError (.../jspm_packages/npm/aurelia-pal@1.0.0-beta.1/aurelia-pal.js:20:13)
at Container.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:559:15)
at Object.invoke (.../jspm_packages/npm/aurelia-dependency-injection@1.0.0-beta.1/aurelia-dependency-injection.js:344:33)
那么,我该怎么做才对呢
------编辑:
迈克尔·马龙的答案完美无瑕。对于提出这个问题的任何人来说,我的例子就是这样的:
import {TemplatingEngine} from 'aurelia-templating';
import {Container} from 'aurelia-dependency-injection';
import {BindingEngine} from 'aurelia-binding';
import {initialize} from 'aurelia-pal-browser';
import { Class1Mock, Class2Mock } from './myMocks';
describe('The MyElement customElement', () => {
let container;
let bindingEngine;
let templateEngine;
let myElement;
initialize();
beforeEach(() => {
container = new Container();
//Add my mocks to DI container?
container.registerInstance('Class1', new Class1Mock());
container.registerInstance('Class2', new Class2Mock());
templateEngine = container.get(TemplatingEngine);
bindingEngine = container.get(BindingEngine);
myElement = templateEngine.createViewModelForUnitTest(MyElement);
}
it('should be initialized', (done) => {
expect(myElement).not.toBe(null);
expect(myElement).not.toBe(undefined);
done();
});
}
在测试中,您需要执行以下操作:
import {initialize} from 'aurelia-pal-browser';
initialize();
(由于它是内联执行的,所以只需要在您的测试中的某个地方。我们将它放在一个单独的initialize.spec.js
文件中)谢谢!最后…=)你是我今天的英雄!