angular-docs-cn/modules/angular2/test/core/application_spec.js

200 lines
6.8 KiB
JavaScript

import {
AsyncTestCompleter,
beforeEach,
ddescribe,
describe,
expect,
iit,
inject,
it,
xdescribe,
xit,
} from 'angular2/test_lib';
import {bootstrap} from 'angular2/src/core/application';
import {appDocumentToken, appElementToken} from 'angular2/src/core/application_tokens';
import {Component, Decorator} from 'angular2/src/core/annotations/annotations';
import {DOM} from 'angular2/src/dom/dom_adapter';
import {ListWrapper} from 'angular2/src/facade/collection';
import {PromiseWrapper} from 'angular2/src/facade/async';
import {bind, Inject} from 'angular2/di';
import {View} from 'angular2/src/core/annotations/view';
import {LifeCycle} from 'angular2/src/core/life_cycle/life_cycle';
import {Testability, TestabilityRegistry} from 'angular2/src/core/testability/testability';
@Component({selector: 'hello-app'})
@View({template: '{{greeting}} world!'})
class HelloRootCmp {
greeting:string;
constructor() {
this.greeting = 'hello';
}
}
@Component({selector: 'hello-app'})
@View({template: 'before: <content></content> after: done'})
class HelloRootCmpContent {
constructor() { }
}
@Component({selector: 'hello-app-2'})
@View({template: '{{greeting}} world, again!'})
class HelloRootCmp2 {
greeting:string;
constructor() {
this.greeting = 'hello';
}
}
@Component({selector: 'hello-app'})
@View({template: ''})
class HelloRootCmp3 {
appBinding;
constructor(@Inject("appBinding") appBinding) {
this.appBinding = appBinding;
}
}
@Component({selector: 'hello-app'})
@View({template: ''})
class HelloRootCmp4 {
lc;
constructor(@Inject(LifeCycle) lc) {
this.lc = lc;
}
}
@Component({selector: 'hello-app'})
class HelloRootMissingTemplate { }
@Decorator({selector: 'hello-app'})
class HelloRootDirectiveIsNotCmp { }
export function main() {
var fakeDoc, el, el2, testBindings, lightDom;
beforeEach(() => {
fakeDoc = DOM.createHtmlDocument();
el = DOM.createElement('hello-app', fakeDoc);
el2 = DOM.createElement('hello-app-2', fakeDoc);
lightDom = DOM.createElement('light-dom-el', fakeDoc);
DOM.appendChild(fakeDoc.body, el);
DOM.appendChild(fakeDoc.body, el2);
DOM.appendChild(el, lightDom);
DOM.setText(lightDom, 'loading');
testBindings = [bind(appDocumentToken).toValue(fakeDoc)];
});
describe('bootstrap factory method', () => {
it('should throw if no View found', inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootMissingTemplate, testBindings, (e,t) => {throw e;});
PromiseWrapper.then(refPromise, null, (reason) => {
expect(reason.message).toContain('No template found for HelloRootMissingTemplate');
async.done();
});
}));
it('should throw if bootstrapped Directive is not a Component', inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootDirectiveIsNotCmp, testBindings, (e,t) => {throw e;});
PromiseWrapper.then(refPromise, null, (reason) => {
expect(reason.message).toContain(`Could not load 'HelloRootDirectiveIsNotCmp' because it is not a component.`);
async.done();
});
}));
it('should throw if no element is found', inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootCmp, [], (e,t) => {throw e;});
PromiseWrapper.then(refPromise, null, (reason) => {
expect(reason.message).toContain(
'The app selector "hello-app" did not match any elements');
async.done();
});
}));
it('should create an injector promise', () => {
var refPromise = bootstrap(HelloRootCmp, testBindings);
expect(refPromise).not.toBe(null);
});
it('should resolve an injector promise and contain bindings', inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootCmp, testBindings);
refPromise.then((ref) => {
expect(ref.injector.get(appElementToken)).toBe(el);
async.done();
});
}));
it('should provide the application component in the injector', inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootCmp, testBindings);
refPromise.then((ref) => {
expect(ref.injector.get(HelloRootCmp)).toBeAnInstanceOf(HelloRootCmp);
async.done();
});
}));
it('should display hello world', inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootCmp, testBindings);
refPromise.then((ref) => {
expect(ref.injector.get(appElementToken)).toHaveText('hello world!');
async.done();
});
}));
it('should support multiple calls to bootstrap', inject([AsyncTestCompleter], (async) => {
var refPromise1 = bootstrap(HelloRootCmp, testBindings);
var refPromise2 = bootstrap(HelloRootCmp2, testBindings);
PromiseWrapper.all([refPromise1, refPromise2]).then((refs) => {
expect(refs[0].injector.get(appElementToken)).toHaveText('hello world!');
expect(refs[1].injector.get(appElementToken)).toHaveText('hello world, again!');
async.done();
});
}));
it("should make the provided bindings available to the application component", inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootCmp3, [
testBindings,
bind("appBinding").toValue("BoundValue")
]);
refPromise.then((ref) => {
expect(ref.injector.get(HelloRootCmp3).appBinding).toEqual("BoundValue");
async.done();
});
}));
it("should avoid cyclic dependencies when root component requires Lifecycle through DI", inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootCmp4, testBindings);
refPromise.then((ref) => {
expect(ref.injector.get(HelloRootCmp4).lc).toBe(ref.injector.get(LifeCycle));
async.done();
});
}));
it("should support shadow dom content tag", inject([AsyncTestCompleter], (async) => {
var refPromise = bootstrap(HelloRootCmpContent, testBindings);
refPromise.then((ref) => {
expect(ref.injector.get(appElementToken)).toHaveText('before: loading after: done');
async.done();
});
}));
it('should register each application with the testability registry', inject([AsyncTestCompleter], (async) => {
var refPromise1 = bootstrap(HelloRootCmp, testBindings);
var refPromise2 = bootstrap(HelloRootCmp2, testBindings);
PromiseWrapper.all([refPromise1, refPromise2]).then((refs) => {
var registry = refs[0].injector.get(TestabilityRegistry);
PromiseWrapper.all([
refs[0].injector.asyncGet(Testability),
refs[1].injector.asyncGet(Testability)]).then((testabilities) => {
expect(registry.findTestabilityInTree(el)).toEqual(testabilities[0]);
expect(registry.findTestabilityInTree(el2)).toEqual(testabilities[1]);
async.done();
});
});
}));
});
}