77 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import {
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|   ddescribe,
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|   describe,
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|   it,
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|   iit,
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|   xit,
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|   expect,
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|   beforeEach,
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|   afterEach,
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|   AsyncTestCompleter,
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|   inject,
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|   proxy,
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|   SpyObject
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| } from 'angular2/test_lib';
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| import {Json, RegExp, NumberWrapper, StringWrapper} from 'angular2/src/core/facade/lang';
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| 
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| import {JsonPipe} from 'angular2/pipes';
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| 
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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;
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|     var inceptionObjString;
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|     var pipe;
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|     var collection: number[];
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| 
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|     function normalize(obj: string): string { return StringWrapper.replace(obj, regNewLine, ''); }
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| 
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|     beforeEach(() => {
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|       inceptionObj = {dream: {dream: {dream: 'Limbo'}}};
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|       inceptionObjString = "{\n" + "  \"dream\": {\n" + "    \"dream\": {\n" +
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|                            "      \"dream\": \"Limbo\"\n" + "    }\n" + "  }\n" + "}";
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| 
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| 
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|       pipe = new JsonPipe();
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|       collection = [];
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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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| 
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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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|       it("should return same ref 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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| 
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|       it("should return a new value when something changed but the ref hasn't", () => {
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|         var stringCollection = '[]';
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|         var stringCollectionWith1 = '[\n' +
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|                                     '  1' +
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|                                     '\n]';
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| 
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|         expect(pipe.transform(collection)).toEqual(stringCollection);
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| 
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|         collection.push(1);
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| 
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|         expect(pipe.transform(collection)).toEqual(stringCollectionWith1);
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|       });
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| 
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|     });
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|   });
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| }
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