46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
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": [new PipeFactory(false, firstPipe), new PipeFactory(true, secondPipe)]});
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expect(r.get("type", "some object", null)).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", null))
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.toThrowError(`Cannot find 'unknown' pipe supporting object 'some object'`);
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});
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it("should throw when no matching pipe", () => {
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var r = new PipeRegistry({"type": []});
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expect(() => r.get("type", "some object", null))
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.toThrowError(`Cannot find 'type' pipe supporting object 'some object'`);
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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 { return this.shouldSupport; }
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create(cdRef): Pipe { return this.pipe; }
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}
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