93 lines
3.7 KiB
TypeScript
93 lines
3.7 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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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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export function main() {
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function r(funcOrValue, args, contextIndex, selfIndex,
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{lastInBinding, mode, name, directiveIndex}:
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{lastInBinding?: any, mode?: any, name?: any, directiveIndex?: any} = {}) {
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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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return new ProtoRecord(mode, name, funcOrValue, args, null, contextIndex, directiveIndex,
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selfIndex, null, null, lastInBinding, false);
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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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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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expect(rs).toEqual([r("user", [], 0, 1), r("first", [], 1, 2), r("last", [], 1, 3)]);
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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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expect(rs).toEqual([r("dup", [], 0, 1), r("user", [], 0, 2), r("first", [2], 2, 3)]);
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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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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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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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expect(rs[1]).toEqual(new ProtoRecord(RecordType.SELF, "self", null, [], null, 1, null, 2,
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null, null, true, false));
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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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expect(rs.length).toEqual(2);
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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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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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}
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