redoc/lib/common/components/StickySidebar/sticky-sidebar.spec.js

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'use strict';
import { getChildDebugElement } from 'tests/helpers';
import {Component, View, provide} from 'angular2/core';
import {BrowserDomAdapter} from 'angular2/platform/browser';
import {
TestComponentBuilder,
inject,
beforeEach,
beforeEachProviders,
it
} from 'angular2/testing';
import StickySidebar from 'lib/common/components/StickySidebar/sticky-sidebar';
describe('Common components', () => {
describe('StickySidebar Component', () => {
let builder;
let component;
let fixture;
beforeEachProviders(() => [
provide(BrowserDomAdapter, {useValue: new BrowserDomAdapter()})
]);
beforeEach(inject([TestComponentBuilder], (tcb) => {
builder = tcb;
}));
beforeEach((done) => {
builder.createAsync(TestApp).then(_fixture => {
fixture = _fixture;
let debugEl = getChildDebugElement(fixture.debugElement, 'sticky-sidebar');
component = debugEl.componentInstance;
done();
}, err => done.fail(err));
});
it('should init component', () => {
expect(component).not.toBeNull();
});
it('should start unsticked', () => {
spyOn(component, 'stick').and.callThrough();
fixture.detectChanges();
expect(component.stick).not.toHaveBeenCalled();
});
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it('should stick if scrolled more than scrollYOffset', () => {
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spyOn(component, 'stick').and.callThrough();
fixture.detectChanges();
window.scrollY = 40;
component.updatePosition();
expect(component.stick).toHaveBeenCalled();
});
});
});
/** Test component that contains an ApiInfo. */
@Component({selector: 'test-app'})
@View({
directives: [StickySidebar],
template:
`<div style="padding-top: 20px">
<div style="height: 20px; position: fixed; top: 0;"> </div>
<div style="position: relative">
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<sticky-sidebar [scrollParent]="scrollParent" [scrollYOffset]="options.scrollYOffset">
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</sticky-sidebar>
</div>
</div>`
})
class TestApp {
constructor() {
this.options = {};
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this.scrollParent = window;
this.options.scrollYOffset = () => 20;
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}
}