378 lines
15 KiB
TypeScript
378 lines
15 KiB
TypeScript
import {
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AsyncTestCompleter,
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TestComponentBuilder,
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beforeEach,
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beforeEachBindings,
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ddescribe,
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xdescribe,
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describe,
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el,
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expect,
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iit,
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inject,
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it,
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xit,
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} from 'angular2/test_lib';
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import {List, ListWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
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import {Component, View, NgFor, bind} from 'angular2/angular2';
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import {DOM} from 'angular2/src/dom/dom_adapter';
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import {CSSClass} from 'angular2/src/directives/class';
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import {APP_VIEW_POOL_CAPACITY} from 'angular2/src/core/compiler/view_pool';
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export function main() {
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describe('binding to CSS class list', () => {
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describe('viewpool support', () => {
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beforeEachBindings(() => { return [bind(APP_VIEW_POOL_CAPACITY).toValue(100)]; });
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it('should clean up when the directive is destroyed',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div *ng-for="var item of items" [class]="item"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.componentInstance.items = [['0']];
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rootTC.detectChanges();
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rootTC.componentInstance.items = [['1']];
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[1].nativeElement.className)
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.toEqual('ng-binding 1');
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async.done();
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});
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}));
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});
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describe('expressions evaluating to objects', () => {
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it('should add classes specified in an object literal',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="{foo: true, bar: false}"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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async.done();
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});
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}));
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it('should add and remove classes based on changes in object literal values',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="{foo: condition, bar: !condition}"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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rootTC.componentInstance.condition = false;
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding bar');
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async.done();
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});
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}));
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it('should add and remove classes based on changes to the expression object',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="objExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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StringMapWrapper.set(rootTC.componentInstance.objExpr, 'bar', true);
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo bar');
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StringMapWrapper.set(rootTC.componentInstance.objExpr, 'baz', true);
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo bar baz');
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StringMapWrapper.delete(rootTC.componentInstance.objExpr, 'bar');
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo baz');
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async.done();
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});
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}));
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it('should add and remove classes based on reference changes to the expression object',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="objExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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rootTC.componentInstance.objExpr = {foo: true, bar: true};
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo bar');
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rootTC.componentInstance.objExpr = {baz: true};
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding baz');
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async.done();
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});
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}));
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});
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describe('expressions evaluating to lists', () => {
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it('should add classes specified in a list literal',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div [class]="['foo', 'bar']"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo bar');
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async.done();
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});
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}));
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it('should add and remove classes based on changes to the expression',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="arrExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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var arrExpr: List<string> = rootTC.componentInstance.arrExpr;
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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arrExpr.push('bar');
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo bar');
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arrExpr[1] = 'baz';
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo baz');
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ListWrapper.remove(rootTC.componentInstance.arrExpr, 'baz');
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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async.done();
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});
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}));
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it('should add and remove classes when a reference changes',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="arrExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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rootTC.componentInstance.arrExpr = ['bar'];
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding bar');
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async.done();
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});
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}));
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});
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describe('expressions evaluating to string', () => {
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it('should add classes specified in a string literal',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div [class]="'foo bar'"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo bar');
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async.done();
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});
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}));
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it('should add and remove classes based on changes to the expression',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="strExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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rootTC.componentInstance.strExpr = 'foo bar';
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo bar');
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rootTC.componentInstance.strExpr = 'baz';
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding baz');
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async.done();
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});
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}));
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it('should remove active classes when switching from string to null',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div [class]="strExpr"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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rootTC.componentInstance.strExpr = null;
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding');
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async.done();
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});
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}));
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});
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it('should remove active classes when expression evaluates to null',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="objExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding foo');
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rootTC.componentInstance.objExpr = null;
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding');
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rootTC.componentInstance.objExpr = {'foo': false, 'bar': true};
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('ng-binding bar');
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async.done();
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});
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}));
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it('should have no effect when activated by a static class attribute',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div class="init foo"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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// TODO(pk): in CJS className isn't initialized properly if we don't mutate classes
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expect(ListWrapper.join(DOM.classList(rootTC.componentViewChildren[0].nativeElement),
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' '))
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.toEqual('init foo ng-binding');
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async.done();
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});
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}));
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it('should co-operate with the class attribute',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [class]="objExpr" class="init foo"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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StringMapWrapper.set(rootTC.componentInstance.objExpr, 'bar', true);
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('init foo ng-binding bar');
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StringMapWrapper.set(rootTC.componentInstance.objExpr, 'foo', false);
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('init ng-binding bar');
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async.done();
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});
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}));
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it('should co-operate with the class attribute and class.name binding',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div class="init foo" [class]="objExpr" [class.baz]="condition"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((rootTC) => {
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('init foo ng-binding baz');
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StringMapWrapper.set(rootTC.componentInstance.objExpr, 'bar', true);
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('init foo ng-binding baz bar');
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StringMapWrapper.set(rootTC.componentInstance.objExpr, 'foo', false);
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('init ng-binding baz bar');
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rootTC.componentInstance.condition = false;
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rootTC.detectChanges();
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expect(rootTC.componentViewChildren[0].nativeElement.className)
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.toEqual('init ng-binding bar');
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async.done();
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});
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}));
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})
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}
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@Component({selector: 'test-cmp'})
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@View({directives: [CSSClass, NgFor]})
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class TestComponent {
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condition: boolean = true;
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items: any[];
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arrExpr: List<string> = ['foo'];
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objExpr = {'foo': true, 'bar': false};
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strExpr = 'foo';
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}
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