484 lines
19 KiB
TypeScript
484 lines
19 KiB
TypeScript
import {
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ComponentFixture,
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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/testing_internal';
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import {ListWrapper, StringMapWrapper, SetWrapper} from 'angular2/src/facade/collection';
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import {Component, View, NgFor, provide} from 'angular2/angular2';
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import {NgClass} from 'angular2/src/common/directives/ng_class';
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import {APP_VIEW_POOL_CAPACITY} from 'angular2/src/core/linker/view_pool';
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function detectChangesAndCheck(fixture: ComponentFixture, classes: string, elIndex: number = 0) {
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fixture.detectChanges();
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expect(fixture.debugElement.componentViewChildren[elIndex].nativeElement.className)
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.toEqual(classes);
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}
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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 [provide(APP_VIEW_POOL_CAPACITY, {useValue: 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" [ng-class]="item"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.debugElement.componentInstance.items = [['0']];
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fixture.detectChanges();
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fixture.debugElement.componentInstance.items = [['1']];
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detectChangesAndCheck(fixture, '1', 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 [ng-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((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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async.done();
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});
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}));
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it('should add classes specified in an object literal without change in class names',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div [ng-class]="{'foo-bar': true, 'fooBar': true}"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo-bar fooBar');
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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 [ng-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((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.condition = false;
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detectChangesAndCheck(fixture, '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 [ng-class]="objExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'bar', true);
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detectChangesAndCheck(fixture, 'foo bar');
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'baz', true);
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detectChangesAndCheck(fixture, 'foo bar baz');
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StringMapWrapper.delete(fixture.debugElement.componentInstance.objExpr, 'bar');
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detectChangesAndCheck(fixture, '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 [ng-class]="objExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.objExpr = {foo: true, bar: true};
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detectChangesAndCheck(fixture, 'foo bar');
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fixture.debugElement.componentInstance.objExpr = {baz: true};
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detectChangesAndCheck(fixture, '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 expression evaluates to null',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [ng-class]="objExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.objExpr = null;
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detectChangesAndCheck(fixture, '');
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fixture.debugElement.componentInstance.objExpr = {'foo': false, 'bar': true};
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detectChangesAndCheck(fixture, '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 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 [ng-class]="['foo', 'bar', 'foo-bar', 'fooBar']"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo bar foo-bar fooBar');
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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 [ng-class]="arrExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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var arrExpr: string[] = fixture.debugElement.componentInstance.arrExpr;
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detectChangesAndCheck(fixture, 'foo');
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arrExpr.push('bar');
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detectChangesAndCheck(fixture, 'foo bar');
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arrExpr[1] = 'baz';
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detectChangesAndCheck(fixture, 'foo baz');
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ListWrapper.remove(fixture.debugElement.componentInstance.arrExpr, 'baz');
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detectChangesAndCheck(fixture, '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 [ng-class]="arrExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.arrExpr = ['bar'];
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detectChangesAndCheck(fixture, 'bar');
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async.done();
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});
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}));
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it('should take initial classes into account when a reference changes',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div class="foo" [ng-class]="arrExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.arrExpr = ['bar'];
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detectChangesAndCheck(fixture, 'foo bar');
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async.done();
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});
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}));
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it('should ignore empty or blank class names',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div class="foo" [ng-class]="arrExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.debugElement.componentInstance.arrExpr = ['', ' '];
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detectChangesAndCheck(fixture, 'foo');
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async.done();
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});
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}));
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it('should trim blanks from class names',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div class="foo" [ng-class]="arrExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.debugElement.componentInstance.arrExpr = [' bar '];
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detectChangesAndCheck(fixture, 'foo 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 sets', () => {
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it('should add and remove classes if the set instance changed',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div [ng-class]="setExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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var setExpr = new Set<string>();
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setExpr.add('bar');
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fixture.debugElement.componentInstance.setExpr = setExpr;
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detectChangesAndCheck(fixture, 'bar');
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setExpr = new Set<string>();
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setExpr.add('baz');
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fixture.debugElement.componentInstance.setExpr = setExpr;
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detectChangesAndCheck(fixture, '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 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 [ng-class]="'foo bar foo-bar fooBar'"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo bar foo-bar fooBar');
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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 [ng-class]="strExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.strExpr = 'foo bar';
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detectChangesAndCheck(fixture, 'foo bar');
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fixture.debugElement.componentInstance.strExpr = 'baz';
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detectChangesAndCheck(fixture, '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 [ng-class]="strExpr"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.strExpr = null;
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detectChangesAndCheck(fixture, '');
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async.done();
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});
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}));
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it('should take initial classes into account when switching from string to null',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div class="foo" [ng-class]="strExpr"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'foo');
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fixture.debugElement.componentInstance.strExpr = null;
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detectChangesAndCheck(fixture, 'foo');
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async.done();
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});
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}));
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it('should ignore empty and blank strings',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div class="foo" [ng-class]="strExpr"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.debugElement.componentInstance.strExpr = '';
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detectChangesAndCheck(fixture, 'foo');
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async.done();
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});
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}));
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});
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describe('cooperation with other class-changing constructs', () => {
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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 [ng-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((fixture) => {
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'bar', true);
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detectChangesAndCheck(fixture, 'init foo bar');
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'foo', false);
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detectChangesAndCheck(fixture, 'init bar');
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fixture.debugElement.componentInstance.objExpr = null;
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detectChangesAndCheck(fixture, 'init foo');
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async.done();
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});
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}));
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it('should co-operate with the interpolated class attribute',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div [ng-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((fixture) => {
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'bar', true);
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detectChangesAndCheck(fixture, `init foo bar`);
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'foo', false);
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detectChangesAndCheck(fixture, `init bar`);
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fixture.debugElement.componentInstance.objExpr = null;
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detectChangesAndCheck(fixture, `init foo`);
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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 binding to it',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<div [ng-class]="objExpr" class="init" [class]="'foo'"></div>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'bar', true);
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detectChangesAndCheck(fixture, `init foo bar`);
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'foo', false);
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detectChangesAndCheck(fixture, `init bar`);
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fixture.debugElement.componentInstance.objExpr = null;
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detectChangesAndCheck(fixture, `init foo`);
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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 =
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'<div class="init foo" [ng-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((fixture) => {
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detectChangesAndCheck(fixture, 'init foo baz');
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'bar', true);
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detectChangesAndCheck(fixture, 'init foo baz bar');
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'foo', false);
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detectChangesAndCheck(fixture, 'init baz bar');
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fixture.debugElement.componentInstance.condition = false;
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detectChangesAndCheck(fixture, 'init bar');
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async.done();
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});
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}));
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it('should co-operate with initial class and class attribute binding when binding changes',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = '<div class="init" [ng-class]="objExpr" [class]="strExpr"></div>';
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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detectChangesAndCheck(fixture, 'init foo');
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StringMapWrapper.set(fixture.debugElement.componentInstance.objExpr, 'bar', true);
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detectChangesAndCheck(fixture, 'init foo bar');
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fixture.debugElement.componentInstance.strExpr = 'baz';
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detectChangesAndCheck(fixture, 'init bar baz foo');
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fixture.debugElement.componentInstance.objExpr = null;
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detectChangesAndCheck(fixture, 'init baz');
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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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}
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@Component({selector: 'test-cmp'})
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@View({directives: [NgClass, 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: string[] = ['foo'];
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setExpr: Set<string> = new Set<string>();
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objExpr = {'foo': true, 'bar': false};
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strExpr = 'foo';
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constructor() { this.setExpr.add('foo'); }
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}
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