67 lines
2.2 KiB
TypeScript
67 lines
2.2 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Type} from '../../src/interface/type';
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import {setClassMetadata} from '../../src/render3/metadata';
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interface Decorator {
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type: any;
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args?: any[];
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}
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interface HasMetadata extends Type<any> {
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decorators?: Decorator[];
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ctorParameters: () => CtorParameter[];
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propDecorators: {[field: string]: Decorator[]};
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}
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interface CtorParameter {
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type: any;
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decorators?: Decorator[];
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}
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function metadataOf(value: Type<any>): HasMetadata {
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return value as HasMetadata;
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}
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describe('render3 setClassMetadata()', () => {
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it('should set decorator metadata on a type', () => {
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const Foo = metadataOf(class Foo{});
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setClassMetadata(Foo, [{type: 'test', args: ['arg']}], null, null);
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expect(Foo.decorators).toEqual([{type: 'test', args: ['arg']}]);
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});
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it('should merge decorator metadata on a type', () => {
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const Foo = metadataOf(class Foo{});
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Foo.decorators = [{type: 'first'}];
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setClassMetadata(Foo, [{type: 'test', args: ['arg']}], null, null);
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expect(Foo.decorators).toEqual([{type: 'first'}, {type: 'test', args: ['arg']}]);
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});
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it('should set ctor parameter metadata on a type', () => {
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const Foo = metadataOf(class Foo{});
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Foo.ctorParameters = () => [{type: 'initial'}];
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setClassMetadata(Foo, null, () => [{type: 'test'}], null);
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expect(Foo.ctorParameters()).toEqual([{type: 'test'}]);
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});
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it('should set parameter decorator metadata on a type', () => {
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const Foo = metadataOf(class Foo{});
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setClassMetadata(Foo, null, null, {field: [{type: 'test', args: ['arg']}]});
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expect(Foo.propDecorators).toEqual({field: [{type: 'test', args: ['arg']}]});
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});
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it('should merge parameter decorator metadata on a type', () => {
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const Foo = metadataOf(class Foo{});
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Foo.propDecorators = {initial: [{type: 'first'}]};
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setClassMetadata(Foo, null, null, {field: [{type: 'test', args: ['arg']}]});
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expect(Foo.propDecorators)
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.toEqual({field: [{type: 'test', args: ['arg']}], initial: [{type: 'first'}]});
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});
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});
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