57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib';
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import {PipeRegistry} from 'angular2/src/change_detection/pipes/pipe_registry';
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import {Pipe} from 'angular2/src/change_detection/pipes/pipe';
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export function main() {
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describe("pipe registry", () => {
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var firstPipe = new Pipe();
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var secondPipe = new Pipe();
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it("should return the first pipe supporting the data type", () => {
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var r = new PipeRegistry({
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"type": [
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new PipeFactory(false, firstPipe),
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new PipeFactory(true, secondPipe)
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]
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});
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expect(r.get("type", "some object")).toBe(secondPipe);
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});
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it("should throw when no matching type", () => {
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var r = new PipeRegistry({});
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expect(() => r.get("unknown", "some object")).toThrowError(
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`Cannot find a pipe for type 'unknown' object 'some object'`
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);
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});
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it("should throw when no matching pipe", () => {
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var r = new PipeRegistry({
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"type" : []
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});
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expect(() => r.get("type", "some object")).toThrowError(
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`Cannot find a pipe for type 'type' object 'some object'`
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);
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});
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});
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}
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class PipeFactory {
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shouldSupport:boolean;
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pipe:any;
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constructor(shouldSupport:boolean, pipe:any) {
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this.shouldSupport = shouldSupport;
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this.pipe = pipe;
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}
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supports(obj):boolean {
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return this.shouldSupport;
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}
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create():Pipe {
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return this.pipe;
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}
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} |