本文整理汇总了TypeScript中angular2/platform-browser.By类的典型用法代码示例。如果您正苦于以下问题：TypeScript By类的具体用法？TypeScript By怎么用？TypeScript By使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了By类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: tick
.then((fixture: ComponentFixture<TestCmp>) => {
fixture.detectChanges();
tick();
fixture.detectChanges();
let defaultTemplate = fixture.debugElement.query(By.css('.ng2-pagination'));
expect(defaultTemplate).toBeNull();
});示例2:
.then((_fixture: ComponentFixture<TestCmp>) => {
fixture = _fixture;
testCmpInstance = _fixture.componentInstance;
testCmpInstance.config.currentPage = 2;
let controlsInstance: PaginationControlsCmp = _fixture
.debugElement.query(By.css('pagination-controls')).componentInstance;
_fixture.detectChanges();
return controlsInstance;
});示例3: expect
.then((fixture: ComponentFixture<TestCmp>) => {
let instance: TestControlsFirstCmp = fixture.componentInstance;
let controlsInstance: PaginationControlsCmp = fixture
.debugElement.query(By.css('pagination-controls')).componentInstance;
fixture.detectChanges();
expect(controlsInstance.getCurrent()).toBe(1);
instance.config.currentPage = 2;
fixture.detectChanges();
expect(controlsInstance.getCurrent()).toBe(2);
});示例4: spyOn
.then((fixture: ComponentFixture<TestCmp>) => {
let instance: TestCmp = fixture.componentInstance;
let controlsInstance: PaginationControlsCmp = fixture
.debugElement.query(By.css('pagination-controls')).componentInstance;
spyOn(instance, 'pageChanged');
instance.collection.push('item 101');
instance.config.currentPage = 11;
fixture.detectChanges();
expect(controlsInstance.getCurrent()).toBe(11);
instance.collection.pop();
fixture.detectChanges();
tick();
fixture.detectChanges();
tick();
expect(instance.pageChanged).toHaveBeenCalledWith(10);
});