286 lines
10 KiB
TypeScript
286 lines
10 KiB
TypeScript
import {
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beforeEach,
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afterEach,
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describe,
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expect,
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inject,
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it,
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AsyncTestCompleter
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} from "@angular/core/testing/testing_internal";
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import {Log} from "@angular/core/testing";
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import {stringify} from "../../src/facade/lang";
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import {
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BROWSER_PLATFORM_PROVIDERS,
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BROWSER_APP_PROVIDERS,
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BROWSER_APP_COMPILER_PROVIDERS,
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bootstrap
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} from "@angular/platform-browser";
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import {ApplicationRef, disposePlatform} from "@angular/core/src/application_ref";
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import {Console} from "@angular/core/src/console";
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import {
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Component,
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Directive,
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OnDestroy,
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provide,
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Inject,
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PLATFORM_INITIALIZER,
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APP_INITIALIZER,
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coreLoadAndBootstrap,
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createPlatform,
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ReflectiveInjector,
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ExceptionHandler
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} from "@angular/core";
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import {getDOM} from "@angular/platform-browser/src/dom/dom_adapter";
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import {DOCUMENT} from "@angular/platform-browser/src/dom/dom_tokens";
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import {PromiseWrapper} from "../../src/facade/async";
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import {Testability, TestabilityRegistry} from "@angular/core/src/testability/testability";
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import {ComponentRef} from "@angular/core/src/linker/component_factory";
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@Component({selector: 'hello-app', template: '{{greeting}} world!'})
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class HelloRootCmp {
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greeting: string;
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constructor() { this.greeting = 'hello'; }
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}
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@Component({selector: 'hello-app', template: 'before: <ng-content></ng-content> after: done'})
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class HelloRootCmpContent {
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constructor() {}
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}
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@Component({selector: 'hello-app-2', template: '{{greeting}} world, again!'})
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class HelloRootCmp2 {
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greeting: string;
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constructor() { this.greeting = 'hello'; }
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}
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@Component({selector: 'hello-app', template: ''})
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class HelloRootCmp3 {
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appBinding;
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constructor(@Inject("appBinding") appBinding) { this.appBinding = appBinding; }
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}
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@Component({selector: 'hello-app', template: ''})
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class HelloRootCmp4 {
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appRef;
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constructor(@Inject(ApplicationRef) appRef) { this.appRef = appRef; }
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}
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@Component({selector: 'hello-app'})
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class HelloRootMissingTemplate {
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}
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@Directive({selector: 'hello-app'})
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class HelloRootDirectiveIsNotCmp {
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}
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@Component({selector: 'hello-app', template: ''})
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class HelloOnDestroyTickCmp implements OnDestroy {
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appRef: ApplicationRef;
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constructor(@Inject(ApplicationRef) appRef) { this.appRef = appRef; }
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ngOnDestroy(): void { this.appRef.tick(); }
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}
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class _ArrayLogger {
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res: any[] = [];
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log(s: any): void { this.res.push(s); }
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logError(s: any): void { this.res.push(s); }
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logGroup(s: any): void { this.res.push(s); }
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logGroupEnd(){};
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}
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class DummyConsole implements Console {
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log(message) {}
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warn(message) {}
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}
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export function main() {
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var fakeDoc, el, el2, testProviders, lightDom;
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describe('bootstrap factory method', () => {
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beforeEach(() => {
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disposePlatform();
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fakeDoc = getDOM().createHtmlDocument();
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el = getDOM().createElement('hello-app', fakeDoc);
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el2 = getDOM().createElement('hello-app-2', fakeDoc);
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lightDom = getDOM().createElement('light-dom-el', fakeDoc);
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getDOM().appendChild(fakeDoc.body, el);
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getDOM().appendChild(fakeDoc.body, el2);
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getDOM().appendChild(el, lightDom);
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getDOM().setText(lightDom, 'loading');
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testProviders =
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[provide(DOCUMENT, {useValue: fakeDoc}), provide(Console, {useClass: DummyConsole})];
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});
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afterEach(disposePlatform);
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it('should throw if bootstrapped Directive is not a Component', () => {
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var logger = new _ArrayLogger();
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var exceptionHandler = new ExceptionHandler(logger, false);
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expect(
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() => bootstrap(HelloRootDirectiveIsNotCmp,
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[testProviders, provide(ExceptionHandler, {useValue: exceptionHandler})]))
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.toThrowError(
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`Could not compile '${stringify(HelloRootDirectiveIsNotCmp)}' because it is not a component.`);
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expect(logger.res.join("")).toContain("Could not compile");
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});
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it('should throw if no element is found', inject([AsyncTestCompleter], (async) => {
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var logger = new _ArrayLogger();
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var exceptionHandler = new ExceptionHandler(logger, false);
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var refPromise =
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bootstrap(HelloRootCmp, [provide(ExceptionHandler, {useValue: exceptionHandler})]);
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PromiseWrapper.then(refPromise, null, (reason) => {
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expect(reason.message).toContain('The selector "hello-app" did not match any elements');
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async.done();
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return null;
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});
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}));
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if (getDOM().supportsDOMEvents()) {
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it('should forward the error to promise when bootstrap fails',
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inject([AsyncTestCompleter], (async) => {
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// Skip for dart since it causes a confusing error message in console when test passes.
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var logger = new _ArrayLogger();
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var exceptionHandler = new ExceptionHandler(logger, false);
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var refPromise =
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bootstrap(HelloRootCmp, [provide(ExceptionHandler, {useValue: exceptionHandler})]);
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PromiseWrapper.then(refPromise, null, (reason: any) => {
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expect(reason.message)
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.toContain('The selector "hello-app" did not match any elements');
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async.done();
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});
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}));
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it('should invoke the default exception handler when bootstrap fails',
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inject([AsyncTestCompleter], (async) => {
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var logger = new _ArrayLogger();
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var exceptionHandler = new ExceptionHandler(logger, false);
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var refPromise =
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bootstrap(HelloRootCmp, [provide(ExceptionHandler, {useValue: exceptionHandler})]);
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PromiseWrapper.then(refPromise, null, (reason) => {
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expect(logger.res.join(""))
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.toContain('The selector "hello-app" did not match any elements');
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async.done();
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return null;
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});
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}));
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}
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it('should create an injector promise', () => {
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var refPromise = bootstrap(HelloRootCmp, testProviders);
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expect(refPromise).not.toBe(null);
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});
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it('should display hello world', inject([AsyncTestCompleter], (async) => {
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var refPromise = bootstrap(HelloRootCmp, testProviders);
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refPromise.then((ref) => {
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expect(el).toHaveText('hello world!');
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async.done();
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});
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}));
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it('should support multiple calls to bootstrap', inject([AsyncTestCompleter], (async) => {
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var refPromise1 = bootstrap(HelloRootCmp, testProviders);
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var refPromise2 = bootstrap(HelloRootCmp2, testProviders);
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PromiseWrapper.all([refPromise1, refPromise2])
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.then((refs) => {
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expect(el).toHaveText('hello world!');
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expect(el2).toHaveText('hello world, again!');
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async.done();
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});
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}));
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it('should not crash if change detection is invoked when the root component is disposed',
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inject([AsyncTestCompleter], (async) => {
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bootstrap(HelloOnDestroyTickCmp, testProviders)
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.then((ref) => {
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expect(() => ref.destroy()).not.toThrow();
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async.done();
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});
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}));
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it('should unregister change detectors when components are disposed',
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inject([AsyncTestCompleter], (async) => {
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var platform = createPlatform(ReflectiveInjector.resolveAndCreate(BROWSER_PLATFORM_PROVIDERS));
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var app =
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ReflectiveInjector.resolveAndCreate([BROWSER_APP_PROVIDERS, BROWSER_APP_COMPILER_PROVIDERS, testProviders],
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platform.injector)
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.get(ApplicationRef);
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coreLoadAndBootstrap(HelloRootCmp, app.injector)
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.then((ref) => {
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ref.destroy();
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expect(() => app.tick()).not.toThrow();
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async.done();
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});
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}));
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it("should make the provided bindings available to the application component",
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inject([AsyncTestCompleter], (async) => {
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var refPromise = bootstrap(
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HelloRootCmp3, [testProviders, provide("appBinding", {useValue: "BoundValue"})]);
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refPromise.then((ref) => {
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expect(ref.instance.appBinding).toEqual("BoundValue");
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async.done();
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});
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}));
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it("should avoid cyclic dependencies when root component requires Lifecycle through DI",
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inject([AsyncTestCompleter], (async) => {
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var refPromise = bootstrap(HelloRootCmp4, testProviders);
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refPromise.then((ref) => {
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expect(ref.instance.appRef).toBe(ref.injector.get(ApplicationRef));
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async.done();
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});
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}));
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it("should run platform initializers", inject([Log], (log: Log) => {
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let p = createPlatform(ReflectiveInjector.resolveAndCreate([
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BROWSER_PLATFORM_PROVIDERS,
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provide(PLATFORM_INITIALIZER, {useValue: log.fn("platform_init1"), multi: true}),
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provide(PLATFORM_INITIALIZER, {useValue: log.fn("platform_init2"), multi: true})
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]));
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expect(log.result()).toEqual("platform_init1; platform_init2");
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log.clear();
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var a = ReflectiveInjector.resolveAndCreate(
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[
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BROWSER_APP_PROVIDERS,
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provide(APP_INITIALIZER, {useValue: log.fn("app_init1"), multi: true}),
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provide(APP_INITIALIZER, {useValue: log.fn("app_init2"), multi: true})
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],
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p.injector);
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a.get(ApplicationRef);
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expect(log.result()).toEqual("app_init1; app_init2");
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}));
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it('should register each application with the testability registry',
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inject([AsyncTestCompleter], (async) => {
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var refPromise1: Promise<ComponentRef<any>> = bootstrap(HelloRootCmp, testProviders);
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var refPromise2: Promise<ComponentRef<any>> = bootstrap(HelloRootCmp2, testProviders);
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PromiseWrapper.all([refPromise1, refPromise2])
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.then((refs: ComponentRef<any>[]) => {
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var registry = refs[0].injector.get(TestabilityRegistry);
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var testabilities =
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[refs[0].injector.get(Testability), refs[1].injector.get(Testability)];
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PromiseWrapper.all(testabilities)
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.then((testabilities: Testability[]) => {
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expect(registry.findTestabilityInTree(el)).toEqual(testabilities[0]);
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expect(registry.findTestabilityInTree(el2)).toEqual(testabilities[1]);
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async.done();
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});
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});
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}));
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});
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}
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