129 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib';
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| import {isBlank} from 'angular2/src/facade/lang';
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| 
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| import {coalesce} from 'angular2/src/change_detection/coalesce';
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| import {RecordType, ProtoRecord} from 'angular2/src/change_detection/proto_record';
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| import {DirectiveIndex} from 'angular2/src/change_detection/directive_record';
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| 
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| export function main() {
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|   function r(funcOrValue, args, contextIndex, selfIndex,
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|              {lastInBinding, mode, name, directiveIndex, argumentToPureFunction}: {
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|                lastInBinding?: any,
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|                mode?: any,
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|                name?: any,
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|                directiveIndex?: any,
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|                argumentToPureFunction?: boolean
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|              } = {}) {
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|     if (isBlank(lastInBinding)) lastInBinding = false;
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|     if (isBlank(mode)) mode = RecordType.PROPERTY;
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|     if (isBlank(name)) name = "name";
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|     if (isBlank(directiveIndex)) directiveIndex = null;
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|     if (isBlank(argumentToPureFunction)) argumentToPureFunction = false;
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| 
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|     return new ProtoRecord(mode, name, funcOrValue, args, null, contextIndex, directiveIndex,
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|                            selfIndex, null, null, lastInBinding, false, argumentToPureFunction,
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|                            false);
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|   }
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| 
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|   describe("change detection - coalesce", () => {
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|     it("should work with an empty list", () => { expect(coalesce([])).toEqual([]); });
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| 
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|     it("should remove non-terminal duplicate records" +
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|            " and update the context indices referencing them",
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|        () => {
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|          var rs = coalesce(
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|              [r("user", [], 0, 1), r("first", [], 1, 2), r("user", [], 0, 3), r("last", [], 3, 4)]);
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| 
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|          expect(rs).toEqual([r("user", [], 0, 1), r("first", [], 1, 2), r("last", [], 1, 3)]);
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|        });
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| 
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|     it("should update indices of other records", () => {
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|       var rs = coalesce(
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|           [r("dup", [], 0, 1), r("dup", [], 0, 2), r("user", [], 0, 3), r("first", [3], 3, 4)]);
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| 
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|       expect(rs).toEqual([r("dup", [], 0, 1), r("user", [], 0, 2), r("first", [2], 2, 3)]);
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|     });
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| 
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|     it("should remove non-terminal duplicate records" +
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|            " and update the args indices referencing them",
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|        () => {
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|          var rs = coalesce([
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|            r("user1", [], 0, 1),
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|            r("user2", [], 0, 2),
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|            r("hi", [1], 0, 3),
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|            r("hi", [1], 0, 4),
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|            r("hi", [2], 0, 5)
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|          ]);
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| 
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|          expect(rs).toEqual(
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|              [r("user1", [], 0, 1), r("user2", [], 0, 2), r("hi", [1], 0, 3), r("hi", [2], 0, 4)]);
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|        });
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| 
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|     it("should replace duplicate terminal records with self records", () => {
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|       var rs = coalesce(
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|           [r("user", [], 0, 1, {lastInBinding: true}), r("user", [], 0, 2, {lastInBinding: true})]);
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| 
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|       expect(rs[1]).toEqual(new ProtoRecord(RecordType.SELF, "self", null, [], null, 1, null, 2,
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|                                             null, null, true, false, false, false));
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|     });
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| 
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|     it("should set referencedBySelf", () => {
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|       var rs = coalesce(
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|           [r("user", [], 0, 1, {lastInBinding: true}), r("user", [], 0, 2, {lastInBinding: true})]);
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| 
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|       expect(rs[0].referencedBySelf).toBeTruthy();
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|     });
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| 
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|     it("should not coalesce directive lifecycle records", () => {
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|       var rs = coalesce([
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|         r("onCheck", [], 0, 1, {mode: RecordType.DIRECTIVE_LIFECYCLE}),
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|         r("onCheck", [], 0, 1, {mode: RecordType.DIRECTIVE_LIFECYCLE})
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|       ]);
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| 
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|       expect(rs.length).toEqual(2);
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|     });
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| 
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|     it("should not coalesce protos with different names but same value", () => {
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|       var nullFunc = () => {};
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|       var rs = coalesce([
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|         r(nullFunc, [], 0, 1, {name: "foo"}),
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|         r(nullFunc, [], 0, 1, {name: "bar"}),
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|       ]);
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|       expect(rs.length).toEqual(2);
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|     });
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| 
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|     it("should not coalesce protos with the same context index but different directive indices",
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|        () => {
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|          var nullFunc = () => {};
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|          var rs = coalesce([
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|            r(nullFunc, [], 0, 1, {directiveIndex: new DirectiveIndex(0, 0)}),
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|            r(nullFunc, [], 0, 1, {directiveIndex: new DirectiveIndex(0, 1)}),
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|            r(nullFunc, [], 0, 1, {directiveIndex: new DirectiveIndex(1, 0)}),
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|            r(nullFunc, [], 0, 1, {directiveIndex: null}),
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|          ]);
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|          expect(rs.length).toEqual(4);
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|        });
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| 
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|     it('should preserve the argumentToPureFunction property', () => {
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|       var rs = coalesce([
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|         r("user", [], 0, 1),
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|         r("user", [], 0, 2, {argumentToPureFunction: true}),
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|         r("user", [], 0, 3),
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|         r("name", [], 3, 4)
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|       ]);
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|       expect(rs)
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|           .toEqual([r("user", [], 0, 1, {argumentToPureFunction: true}), r("name", [], 1, 2)]);
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|     });
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| 
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|     it('should preserve the argumentToPureFunction property (the original record)', () => {
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|       var rs = coalesce([
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|         r("user", [], 0, 1, {argumentToPureFunction: true}),
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|         r("user", [], 0, 2),
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|         r("name", [], 2, 3)
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|       ]);
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|       expect(rs)
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|           .toEqual([r("user", [], 0, 1, {argumentToPureFunction: true}), r("name", [], 1, 2)]);
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|     });
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|   });
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| }
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