angular-docs-cn/modules/@angular/compiler/test/runtime_compiler_spec.ts

181 lines
7.4 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {beforeEach, ddescribe, xdescribe, describe, iit, inject, beforeEachProviders, it, xit,} from '@angular/core/testing/testing_internal';
import {expect} from '@angular/platform-browser/testing/matchers';
import {Injectable, Component, Input, ViewMetadata, Compiler, ComponentFactory, Injector, NgModule, NgModuleFactory} from '@angular/core';
import {ConcreteType, stringify} from '../src/facade/lang';
import {fakeAsync, tick, TestComponentBuilder, ComponentFixture, TestBed} from '@angular/core/testing';
import {XHR, DirectiveResolver} from '@angular/compiler';
import {MockDirectiveResolver} from '@angular/compiler/testing';
import {SpyXHR} from './spies';
@Component({selector: 'child-cmp', template: 'childComp'})
class ChildComp {
}
@Component({selector: 'some-cmp', template: 'someComp'})
class SomeComp {
}
@Component({selector: 'some-cmp', templateUrl: './someTpl'})
class SomeCompWithUrlTemplate {
}
export function main() {
describe('RuntimeCompiler', () => {
let compiler: Compiler;
let xhr: SpyXHR;
let tcb: TestComponentBuilder;
let dirResolver: MockDirectiveResolver;
let injector: Injector;
beforeEach(
() => { TestBed.configureCompiler({providers: [{provide: XHR, useClass: SpyXHR}]}); });
beforeEach(inject(
[Compiler, TestComponentBuilder, XHR, DirectiveResolver, Injector],
(_compiler: Compiler, _tcb: TestComponentBuilder, _xhr: SpyXHR,
_dirResolver: MockDirectiveResolver, _injector: Injector) => {
compiler = _compiler;
tcb = _tcb;
xhr = _xhr;
dirResolver = _dirResolver;
injector = _injector;
}));
describe('clearCacheFor', () => {
it('should support changing the content of a template referenced via templateUrl',
fakeAsync(() => {
xhr.spy('get').andCallFake(() => Promise.resolve('init'));
let compFixture =
tcb.overrideView(SomeComp, new ViewMetadata({templateUrl: '/myComp.html'}))
.createFakeAsync(SomeComp);
expect(compFixture.nativeElement).toHaveText('init');
xhr.spy('get').andCallFake(() => Promise.resolve('new content'));
// Note: overrideView is calling .clearCacheFor...
compFixture = tcb.overrideView(SomeComp, new ViewMetadata({templateUrl: '/myComp.html'}))
.createFakeAsync(SomeComp);
expect(compFixture.nativeElement).toHaveText('new content');
}));
it('should support overwriting inline templates', () => {
let componentFixture = tcb.createSync(SomeComp);
expect(componentFixture.nativeElement).toHaveText('someComp');
componentFixture = tcb.overrideTemplate(SomeComp, 'test').createSync(SomeComp);
expect(componentFixture.nativeElement).toHaveText('test');
});
it('should not update existing compilation results', () => {
dirResolver.setView(
SomeComp,
new ViewMetadata({template: '<child-cmp></child-cmp>', directives: [ChildComp]}));
dirResolver.setInlineTemplate(ChildComp, 'oldChild');
let compFactory = compiler.compileComponentSync(SomeComp);
dirResolver.setInlineTemplate(ChildComp, 'newChild');
compiler.compileComponentSync(SomeComp);
let compRef = compFactory.create(injector);
expect(compRef.location.nativeElement).toHaveText('oldChild');
});
});
describe('compileComponentSync', () => {
it('should throw when using a templateUrl that has not been compiled before', () => {
xhr.spy('get').andCallFake(() => Promise.resolve(''));
expect(() => tcb.createSync(SomeCompWithUrlTemplate))
.toThrowError(
`Can't compile synchronously as ${stringify(SomeCompWithUrlTemplate)} is still being loaded!`);
});
it('should throw when using a templateUrl in a nested component that has not been compiled before',
() => {
xhr.spy('get').andCallFake(() => Promise.resolve(''));
let localTcb =
tcb.overrideView(SomeComp, new ViewMetadata({template: '', directives: [ChildComp]}))
.overrideView(ChildComp, new ViewMetadata({templateUrl: '/someTpl.html'}));
expect(() => localTcb.createSync(SomeComp))
.toThrowError(
`Can't compile synchronously as ${stringify(ChildComp)} is still being loaded!`);
});
it('should allow to use templateUrl components that have been loaded before',
fakeAsync(() => {
xhr.spy('get').andCallFake(() => Promise.resolve('hello'));
tcb.createFakeAsync(SomeCompWithUrlTemplate);
let compFixture = tcb.createSync(SomeCompWithUrlTemplate);
expect(compFixture.nativeElement).toHaveText('hello');
}));
});
describe('compileModuleAsync', () => {
it('should allow to use templateUrl components', fakeAsync(() => {
@NgModule({
declarations: [SomeCompWithUrlTemplate],
entryComponents: [SomeCompWithUrlTemplate]
})
class SomeModule {
}
xhr.spy('get').andCallFake(() => Promise.resolve('hello'));
let ngModuleFactory: NgModuleFactory<any>;
compiler.compileModuleAsync(SomeModule).then((f) => ngModuleFactory = f);
tick();
expect(ngModuleFactory.moduleType).toBe(SomeModule);
}));
});
describe('compileModuleSync', () => {
it('should throw when using a templateUrl that has not been compiled before', () => {
@NgModule(
{declarations: [SomeCompWithUrlTemplate], entryComponents: [SomeCompWithUrlTemplate]})
class SomeModule {
}
xhr.spy('get').andCallFake(() => Promise.resolve(''));
expect(() => compiler.compileModuleSync(SomeModule))
.toThrowError(
`Can't compile synchronously as ${stringify(SomeCompWithUrlTemplate)} is still being loaded!`);
});
it('should throw when using a templateUrl in a nested component that has not been compiled before',
() => {
@NgModule({declarations: [SomeComp], entryComponents: [SomeComp]})
class SomeModule {
}
xhr.spy('get').andCallFake(() => Promise.resolve(''));
dirResolver.setView(SomeComp, new ViewMetadata({template: '', directives: [ChildComp]}));
dirResolver.setView(ChildComp, new ViewMetadata({templateUrl: '/someTpl.html'}));
expect(() => compiler.compileModuleSync(SomeModule))
.toThrowError(
`Can't compile synchronously as ${stringify(ChildComp)} is still being loaded!`);
});
it('should allow to use templateUrl components that have been loaded before',
fakeAsync(() => {
@NgModule({
declarations: [SomeCompWithUrlTemplate],
entryComponents: [SomeCompWithUrlTemplate]
})
class SomeModule {
}
xhr.spy('get').andCallFake(() => Promise.resolve('hello'));
compiler.compileModuleAsync(SomeModule);
tick();
let ngModuleFactory = compiler.compileModuleSync(SomeModule);
expect(ngModuleFactory).toBeTruthy();
}));
});
});
}