75 lines
2.5 KiB
TypeScript
75 lines
2.5 KiB
TypeScript
import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach, inject,} from '@angular/core/testing/testing_internal';
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import {AsyncTestCompleter} from '@angular/core/testing/testing_internal';
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import {TestComponentBuilder} from '@angular/compiler/testing';
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import {Json, StringWrapper} from '../../src/facade/lang';
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import {Component} from '@angular/core';
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import {JsonPipe} from '@angular/common';
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export function main() {
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describe('JsonPipe', () => {
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var regNewLine = '\n';
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var inceptionObj: any;
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var inceptionObjString: string;
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var pipe: JsonPipe;
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function normalize(obj: string): string { return StringWrapper.replace(obj, regNewLine, ''); }
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beforeEach(() => {
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inceptionObj = {dream: {dream: {dream: 'Limbo'}}};
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inceptionObjString = '{\n' +
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' "dream": {\n' +
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' "dream": {\n' +
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' "dream": "Limbo"\n' +
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' }\n' +
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' }\n' +
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'}';
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pipe = new JsonPipe();
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});
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describe('transform', () => {
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it('should return JSON-formatted string',
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() => { expect(pipe.transform(inceptionObj)).toEqual(inceptionObjString); });
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it('should return JSON-formatted string even when normalized', () => {
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var dream1 = normalize(pipe.transform(inceptionObj));
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var dream2 = normalize(inceptionObjString);
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expect(dream1).toEqual(dream2);
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});
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it('should return JSON-formatted string similar to Json.stringify', () => {
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var dream1 = normalize(pipe.transform(inceptionObj));
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var dream2 = normalize(Json.stringify(inceptionObj));
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expect(dream1).toEqual(dream2);
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});
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});
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describe('integration', () => {
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it('should work with mutable objects',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(TestComp).then((fixture) => {
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let mutable: number[] = [1];
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fixture.debugElement.componentInstance.data = mutable;
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fixture.detectChanges();
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expect(fixture.debugElement.nativeElement).toHaveText('[\n 1\n]');
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mutable.push(2);
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fixture.detectChanges();
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expect(fixture.debugElement.nativeElement).toHaveText('[\n 1,\n 2\n]');
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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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@Component({selector: 'test-comp', template: '{{data | json}}', pipes: [JsonPipe]})
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class TestComp {
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data: any;
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}
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