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ant-design-vue/components/affix/__tests__/index.test.js

117 lines
2.7 KiB

import Affix from '..';
import Button from '../../button';
import { mount } from '@vue/test-utils';
import { spyElementPrototype } from '../../__tests__/util/domHook';
const events = {};
const AffixMounter = {
props: ['offsetBottom', 'offsetTop'],
mounted() {
this.$refs.container.addEventListener = jest.fn().mockImplementation((event, cb) => {
events[event] = cb;
});
},
methods: {
getTarget() {
return this.$refs.container;
},
},
render() {
return (
<div ref="container" class="container">
<Affix class="fixed" target={() => this.$refs.container} ref="affix">
<Button type="primary">Fixed at the top of container</Button>
</Affix>
</div>
);
},
};
describe('Affix Render', () => {
let wrapper;
let domMock;
const classRect = {
container: {
top: 1000,
bottom: 100,
},
};
beforeAll(() => {
document.body.innerHTML = '';
jest.useFakeTimers();
domMock = spyElementPrototype(HTMLElement, 'getBoundingClientRect', function mockBounding() {
return (
classRect[this.className] || {
top: 0,
bottom: 0,
}
);
});
});
afterAll(() => {
jest.useRealTimers();
domMock.mockRestore();
});
const movePlaceholder = top => {
classRect.fixed = {
top,
bottom: top,
};
events.scroll({
type: 'scroll',
});
jest.runAllTimers();
};
it('Anchor render perfectly', () => {
wrapper = mount(AffixMounter, { attachTo: 'body' });
jest.runAllTimers();
movePlaceholder(0);
expect(wrapper.vm.$refs.affix.affixStyle).toBeFalsy();
// movePlaceholder(100);
// expect(wrapper.vm.$refs.affix.affixStyle).toBeTruthy();
movePlaceholder(0);
expect(wrapper.vm.$refs.affix.affixStyle).toBeFalsy();
});
it('support offsetBottom', () => {
wrapper = mount(AffixMounter, {
attachTo: 'body',
props: {
offsetBottom: 0,
},
});
jest.runAllTimers();
movePlaceholder(300);
//expect(wrapper.vm.$refs.affix.affixStyle).toBeTruthy();
movePlaceholder(0);
expect(wrapper.vm.$refs.affix.affixStyle).toBeFalsy();
// movePlaceholder(300);
// expect(wrapper.vm.$refs.affix.affixStyle).toBeTruthy();
});
// it('updatePosition when offsetTop changed', () => {
// wrapper = mount(AffixMounter, {
// attachTo: 'body',
// props: {
// offsetTop: 0,
// },
// });
// jest.runAllTimers();
// movePlaceholder(-100);
// expect(wrapper.vm.$refs.affix.affixStyle.top).toBe('0px');
// wrapper.setProps({
// offsetTop: 10,
// });
// jest.runAllTimers();
// expect(wrapper.vm.$refs.affix.affixStyle.top).toBe('10px');
// });
});