debian-mirror-gitlab/spec/frontend/blob/components/table_contents_spec.js

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import { GlDropdownItem } from '@gitlab/ui';
import { shallowMount } from '@vue/test-utils';
import { nextTick } from 'vue';
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import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
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import TableContents from '~/blob/components/table_contents.vue';
let wrapper;
function createComponent() {
wrapper = shallowMount(TableContents);
}
async function setLoaded(loaded) {
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document.querySelector('.blob-viewer').dataset.loaded = loaded;
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await nextTick();
}
describe('Markdown table of contents component', () => {
beforeEach(() => {
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setHTMLFixture(`
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<div class="blob-viewer" data-type="rich" data-loaded="false">
<h1><a href="#1"></a>Hello</h1>
<h2><a href="#2"></a>World</h2>
<h3><a href="#3"></a>Testing</h3>
<h2><a href="#4"></a>GitLab</h2>
</div>
`);
});
afterEach(() => {
wrapper.destroy();
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resetHTMLFixture();
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});
describe('not loaded', () => {
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const findDropdownItem = () => wrapper.findComponent(GlDropdownItem);
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it('does not populate dropdown', () => {
createComponent();
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expect(findDropdownItem().exists()).toBe(false);
});
it('does not show dropdown when loading blob content', async () => {
createComponent();
await setLoaded(false);
expect(findDropdownItem().exists()).toBe(false);
});
it('does not show dropdown when viewing non-rich content', async () => {
createComponent();
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document.querySelector('.blob-viewer').dataset.type = 'simple';
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await setLoaded(true);
expect(findDropdownItem().exists()).toBe(false);
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});
});
describe('loaded', () => {
it('populates dropdown', async () => {
createComponent();
await setLoaded(true);
const dropdownItems = wrapper.findAllComponents(GlDropdownItem);
expect(dropdownItems.exists()).toBe(true);
expect(dropdownItems.length).toBe(4);
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// make sure that this only happens once
await setLoaded(true);
expect(wrapper.findAllComponents(GlDropdownItem).length).toBe(4);
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});
it('sets padding for dropdown items', async () => {
createComponent();
await setLoaded(true);
const dropdownLinks = wrapper.findAll('[data-testid="tableContentsLink"]');
expect(dropdownLinks.at(0).element.style.paddingLeft).toBe('0px');
expect(dropdownLinks.at(1).element.style.paddingLeft).toBe('8px');
expect(dropdownLinks.at(2).element.style.paddingLeft).toBe('16px');
expect(dropdownLinks.at(3).element.style.paddingLeft).toBe('8px');
});
});
});