98 lines
2.7 KiB
JavaScript
98 lines
2.7 KiB
JavaScript
import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach,
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AsyncTestCompleter, inject, proxy, SpyObject, IS_DARTIUM} from 'angular2/test_lib';
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import {Json, RegExp, NumberWrapper, StringWrapper} from 'angular2/src/facade/lang';
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import {JsonPipe} from 'angular2/src/change_detection/pipes/json_pipe';
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export function main() {
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describe("JsonPipe", () => {
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var regNewLine = new RegExp('\n');
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var canHasUndefined; // because Dart doesn't like undefined;
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var inceptionObj;
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var inceptionObjString;
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var catString;
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var pipe;
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function normalize(obj: string): string {
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return StringWrapper.replace(obj, regNewLine, '');
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}
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beforeEach(() => {
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inceptionObj = {
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dream: {
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dream: {
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dream: 'Limbo'
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}
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}
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};
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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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catString = 'Inception Cat';
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pipe = new JsonPipe();
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});
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describe("supports", () => {
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it("should support objects", () => {
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expect(pipe.supports(inceptionObj)).toBe(true);
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});
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it("should support strings", () => {
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expect(pipe.supports(catString)).toBe(true);
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});
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it("should support null", () => {
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expect(pipe.supports(null)).toBe(true);
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});
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it("should support NaN", () => {
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expect(pipe.supports(NumberWrapper.NaN)).toBe(true);
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});
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if (!IS_DARTIUM) {
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it("should support undefined", () => {
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expect(pipe.supports(canHasUndefined)).toBe(true);
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});
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}
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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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});
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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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it("should return same value when nothing has changed since the last call", () => {
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expect(pipe.transform(inceptionObj)).toEqual(inceptionObjString);
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expect(pipe.transform(inceptionObj)).toEqual(inceptionObjString);
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});
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});
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describe("onDestroy", () => {
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it("should do nothing when no latest value", () => {
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expect(() => pipe.onDestroy()).not.toThrow();
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});
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});
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});
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}
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