72 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib';
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| 
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| import {coalesce} from 'angular2/src/change_detection/coalesce';
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| import {
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|   RECORD_TYPE_SELF,
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|   RECORD_TYPE_DIRECTIVE_LIFECYCLE,
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|   ProtoRecord
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| } from 'angular2/src/change_detection/proto_record';
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| 
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| export function main() {
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|   function r(funcOrValue, args, contextIndex, selfIndex, lastInBinding = false, mode = 99) {
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|     return new ProtoRecord(mode, "name", funcOrValue, args, null, contextIndex, null, selfIndex,
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|                            null, null, lastInBinding, 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),
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|            r("first", [], 1, 2),
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|            r("user", [], 0, 3),
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|            r("last", [], 3, 4)
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|          ]);
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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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| 
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|       var rs = coalesce([r("user", [], 0, 1, true), r("user", [], 0, 2, true)]);
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| 
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|       expect(rs[1]).toEqual(new ProtoRecord(RECORD_TYPE_SELF, "self", null, [], null, 1, null, 2,
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|                                             null, null, true, false));
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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, true, RECORD_TYPE_DIRECTIVE_LIFECYCLE),
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|         r("onCheck", [], 0, 1, true, RECORD_TYPE_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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| }
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