angular-cn/modules/@angular/compiler/test/metadata_resolver_spec.ts

222 lines
9.5 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 {CompilerConfig} from '@angular/compiler/src/config';
import {AfterContentChecked, AfterContentInit, AfterViewChecked, AfterViewInit, ChangeDetectionStrategy, Component, Directive, DoCheck, Injectable, OnChanges, OnDestroy, OnInit, SimpleChanges, ViewEncapsulation} from '@angular/core';
import {LIFECYCLE_HOOKS_VALUES} from '@angular/core/src/metadata/lifecycle_hooks';
import {afterEach, beforeEach, beforeEachProviders, ddescribe, describe, expect, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
import {IS_DART, stringify} from '../src/facade/lang';
import {CompileMetadataResolver} from '../src/metadata_resolver';
import {MalformedStylesComponent} from './metadata_resolver_fixture';
import {TEST_PROVIDERS} from './test_bindings';
export function main() {
describe('CompileMetadataResolver', () => {
beforeEachProviders(() => TEST_PROVIDERS);
describe('getMetadata', () => {
it('should read metadata',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
var meta = resolver.getDirectiveMetadata(ComponentWithEverything);
expect(meta.selector).toEqual('someSelector');
expect(meta.exportAs).toEqual('someExportAs');
expect(meta.isComponent).toBe(true);
expect(meta.type.runtime).toBe(ComponentWithEverything);
expect(meta.type.name).toEqual(stringify(ComponentWithEverything));
expect(meta.lifecycleHooks).toEqual(LIFECYCLE_HOOKS_VALUES);
expect(meta.changeDetection).toBe(ChangeDetectionStrategy.Default);
expect(meta.inputs).toEqual({'someProp': 'someProp'});
expect(meta.outputs).toEqual({'someEvent': 'someEvent'});
expect(meta.hostListeners).toEqual({'someHostListener': 'someHostListenerExpr'});
expect(meta.hostProperties).toEqual({'someHostProp': 'someHostPropExpr'});
expect(meta.hostAttributes).toEqual({'someHostAttr': 'someHostAttrValue'});
expect(meta.template.encapsulation).toBe(ViewEncapsulation.Emulated);
expect(meta.template.styles).toEqual(['someStyle']);
expect(meta.template.styleUrls).toEqual(['someStyleUrl']);
expect(meta.template.template).toEqual('someTemplate');
expect(meta.template.templateUrl).toEqual('someTemplateUrl');
expect(meta.template.interpolation).toEqual(['{{', '}}']);
}));
it('should use the moduleUrl from the reflector if none is given',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
var value: string =
resolver.getDirectiveMetadata(ComponentWithoutModuleId).type.moduleUrl;
var expectedEndValue =
IS_DART ? 'test/compiler/metadata_resolver_spec.dart' : './ComponentWithoutModuleId';
expect(value.endsWith(expectedEndValue)).toBe(true);
}));
it('should throw when metadata is incorrectly typed',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(() => resolver.getDirectiveMetadata(MalformedStylesComponent))
.toThrowError(`Expected 'styles' to be an array of strings.`);
}));
it('should throw with descriptive error message when provider token can not be resolved',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(() => resolver.getDirectiveMetadata(MyBrokenComp1))
.toThrowError(`Can't resolve all parameters for MyBrokenComp1: (?).`);
}));
it('should throw with descriptive error message when a param token of a dependency is undefined',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(() => resolver.getDirectiveMetadata(MyBrokenComp2))
.toThrowError(`Can't resolve all parameters for NonAnnotatedService: (?).`);
}));
it('should throw with descriptive error message when one of providers is not present',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(() => resolver.getDirectiveMetadata(MyBrokenComp3))
.toThrowError(
`One or more of providers for "MyBrokenComp3" were not defined: [?, SimpleService, ?].`);
}));
it('should throw with descriptive error message when one of viewProviders is not present',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(() => resolver.getDirectiveMetadata(MyBrokenComp4))
.toThrowError(
`One or more of viewProviders for "MyBrokenComp4" were not defined: [?, SimpleService, ?].`);
}));
it('should throw an error when the interpolation config has invalid symbols',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(() => resolver.getDirectiveMetadata(ComponentWithInvalidInterpolation1))
.toThrowError(`[' ', ' '] contains unusable interpolation symbol.`);
expect(() => resolver.getDirectiveMetadata(ComponentWithInvalidInterpolation2))
.toThrowError(`['{', '}'] contains unusable interpolation symbol.`);
expect(() => resolver.getDirectiveMetadata(ComponentWithInvalidInterpolation3))
.toThrowError(`['<%', '%>'] contains unusable interpolation symbol.`);
expect(() => resolver.getDirectiveMetadata(ComponentWithInvalidInterpolation4))
.toThrowError(`['&#', '}}'] contains unusable interpolation symbol.`);
expect(() => resolver.getDirectiveMetadata(ComponentWithInvalidInterpolation5))
.toThrowError(`['&lbrace;', '}}'] contains unusable interpolation symbol.`);
}));
});
describe('getViewDirectivesMetadata', () => {
it('should return the directive metadatas',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(resolver.getViewDirectivesMetadata(ComponentWithEverything))
.toContain(resolver.getDirectiveMetadata(SomeDirective));
}));
describe('platform directives', () => {
beforeEachProviders(() => [{
provide: CompilerConfig,
useValue: new CompilerConfig(
{genDebugInfo: true, platformDirectives: [ADirective]})
}]);
it('should include platform directives when available',
inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
expect(resolver.getViewDirectivesMetadata(ComponentWithEverything))
.toContain(resolver.getDirectiveMetadata(ADirective));
expect(resolver.getViewDirectivesMetadata(ComponentWithEverything))
.toContain(resolver.getDirectiveMetadata(SomeDirective));
}));
});
});
});
}
@Directive({selector: 'a-directive'})
class ADirective {
}
@Directive({selector: 'someSelector'})
class SomeDirective {
}
@Component({selector: 'someComponent', template: ''})
class ComponentWithoutModuleId {
}
@Component({
selector: 'someSelector',
inputs: ['someProp'],
outputs: ['someEvent'],
host: {
'[someHostProp]': 'someHostPropExpr',
'(someHostListener)': 'someHostListenerExpr',
'someHostAttr': 'someHostAttrValue'
},
exportAs: 'someExportAs',
moduleId: 'someModuleId',
changeDetection: ChangeDetectionStrategy.Default,
template: 'someTemplate',
templateUrl: 'someTemplateUrl',
encapsulation: ViewEncapsulation.Emulated,
styles: ['someStyle'],
styleUrls: ['someStyleUrl'],
directives: [SomeDirective],
interpolation: ['{{', '}}']
})
class ComponentWithEverything implements OnChanges,
OnInit, DoCheck, OnDestroy, AfterContentInit, AfterContentChecked, AfterViewInit,
AfterViewChecked {
ngOnChanges(changes: SimpleChanges): void {}
ngOnInit(): void {}
ngDoCheck(): void {}
ngOnDestroy(): void {}
ngAfterContentInit(): void {}
ngAfterContentChecked(): void {}
ngAfterViewInit(): void {}
ngAfterViewChecked(): void {}
}
@Component({selector: 'my-broken-comp', template: ''})
class MyBrokenComp1 {
constructor(public dependency: any) {}
}
class NonAnnotatedService {
constructor(dep: any) {}
}
@Component({selector: 'my-broken-comp', template: '', providers: [NonAnnotatedService]})
class MyBrokenComp2 {
constructor(dependency: NonAnnotatedService) {}
}
@Injectable()
class SimpleService {
}
@Component({selector: 'my-broken-comp', template: '', providers: [null, SimpleService, [null]]})
class MyBrokenComp3 {
}
@Component({selector: 'my-broken-comp', template: '', viewProviders: [null, SimpleService, [null]]})
class MyBrokenComp4 {
}
@Component({selector: 'someSelector', template: '', interpolation: [' ', ' ']})
class ComponentWithInvalidInterpolation1 {
}
@Component({selector: 'someSelector', template: '', interpolation: ['{', '}']})
class ComponentWithInvalidInterpolation2 {
}
@Component({selector: 'someSelector', template: '', interpolation: ['<%', '%>']})
class ComponentWithInvalidInterpolation3 {
}
@Component({selector: 'someSelector', template: '', interpolation: ['&#', '}}']})
class ComponentWithInvalidInterpolation4 {
}
@Component({selector: 'someSelector', template: '', interpolation: ['&lbrace;', '}}']})
class ComponentWithInvalidInterpolation5 {
}