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Add Affix component unit test

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oyv1cent 2019-03-13 15:56:52 +08:00
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commit 2c00b6fdee
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test/unit/specs/affix.spec.js Normal file
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import { createVue, destroyVM } from '../util';
describe('Affix.vue', () => {
let vm;
afterEach(() => {
destroyVM(vm);
});
it('should create a Affix component without slot', done => {
vm = createVue('<Affix></Affix>');
expect(vm.$el.children[0].tagName).to.equal('DIV');
expect(vm.$el.children[0].className).to.equal('');
done();
});
it('should create a Affix component with slot', done => {
vm = createVue(`
<Affix>
<span class="demo-affix">Fixed at the top</span>
</Affix>
`);
expect(vm.$el.children[0].children[0].tagName).to.equal('SPAN');
expect(vm.$el.children[0].children[0].className).to.equal('demo-affix');
done();
});
it('set offset-top props', done => {
vm = createVue(`
<div>
<Affix :offset-top="20">
<span class="demo-affix">Fixed at the top</span>
</Affix>
<div style="width: 100%; height: 2000px"></div>
</div>
`, true);
expect(vm.$el.children[0].children[0].classList.contains('ivu-affix')).to.false;
expect(vm.$el.children[0].children[0].style.top).to.equal('');
expect(vm.$el.children[0].children[1].style.display).to.equal('none');
window.scrollTo(0, 10000);
setTimeout(()=>{
expect(vm.$el.children[0].children[0].classList.contains('ivu-affix')).to.true;
expect(vm.$el.children[0].children[0].style.top).to.equal('20px');
expect(vm.$el.children[0].children[1].style.display).to.equal('');
done();
}, 100);
});
it('set offset-bottom props', done => {
vm = createVue(`
<div>
<div style="width: 100%; height: 2000px"></div>
<Affix :offset-bottom="20">
<span class="demo-affix">Fixed at the top</span>
</Affix>
<div style="width: 100%; height: 2000px"></div>
</div>
`, true);
expect(vm.$el.children[1].children[0].classList.contains('ivu-affix')).to.false;
expect(vm.$el.children[1].children[0].style.bottom).to.equal('');
// Affix component haven't run handleScroll function when component mounted in real dom.
// use scrollTo() to trigger scroll event.
window.scrollTo(0, 100);
setTimeout(()=>{
expect(vm.$el.children[1].children[0].classList.contains('ivu-affix')).to.true;
expect(vm.$el.children[1].children[0].style.bottom).to.equal('20px');
window.scrollTo(0, 10000);
setTimeout(()=>{
expect(vm.$el.children[1].children[0].classList.contains('ivu-affix')).to.false;
expect(vm.$el.children[1].children[0].style.bottom).to.equal('');
done();
}, 100);
}, 100);
});
it('both props are set, only offset-bottom is valid', done => {
vm = createVue(`
<div>
<div style="width: 100%; height: 2000px"></div>
<Affix :offset-bottom="20" :offset-top="20">
<span class="demo-affix">Fixed at the top</span>
</Affix>
<div style="width: 100%; height: 2000px"></div>
</div>
`, true);
expect(vm.$el.children[1].children[0].classList.contains('ivu-affix')).to.false;
expect(vm.$el.children[1].children[0].style.bottom).to.equal('');
// Affix component haven't run handleScroll function when component mounted in real dom.
// use scrollTo() to trigger scroll event.
window.scrollTo(0, 100);
setTimeout(()=>{
expect(vm.$el.children[1].children[0].classList.contains('ivu-affix')).to.true;
expect(vm.$el.children[1].children[0].style.bottom).to.equal('20px');
window.scrollTo(0, 10000);
setTimeout(()=>{
expect(vm.$el.children[1].children[0].classList.contains('ivu-affix')).to.false;
expect(vm.$el.children[1].children[0].style.bottom).to.equal('');
done();
}, 100);
}, 100);
});
it('both props not set, should fixed and top equal 0', done => {
vm = createVue(`
<div>
<Affix>
<span class="demo-affix">Fixed at the top</span>
</Affix>
<div style="width: 100%; height: 2000px"></div>
</div>
`, true);
expect(vm.$el.children[0].children[0].classList.contains('ivu-affix')).to.false;
expect(vm.$el.children[0].children[0].style.top).to.equal('');
expect(vm.$el.children[0].children[1].style.display).to.equal('none');
window.scrollTo(0, 10000);
setTimeout(()=>{
expect(vm.$el.children[0].children[0].classList.contains('ivu-affix')).to.true;
expect(vm.$el.children[0].children[0].style.top).to.equal('0px');
expect(vm.$el.children[0].children[1].style.display).to.equal('');
done();
}, 100);
});
});