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import { nextTick } from 'vue';
import { mount } from '@vue/test-utils';
import { GlTabs } from '@gitlab/ui';
import EditorTab from '~/pipeline_editor/components/ui/editor_tab.vue';
const mockContent1 = 'MOCK CONTENT 1';
const mockContent2 = 'MOCK CONTENT 2';
describe('~/pipeline_editor/components/ui/editor_tab.vue', () => {
let wrapper;
let mockChildMounted = jest.fn();
const MockChild = {
props: ['content'],
template: '<div>{{content}}</div>',
mounted() {
mockChildMounted(this.content);
},
};
const MockTabbedContent = {
components: {
EditorTab,
GlTabs,
MockChild,
},
template: `
<gl-tabs>
<editor-tab :title-link-attributes="{ 'data-testid': 'tab1-btn' }" :lazy="true">
<mock-child content="${mockContent1}"/>
</editor-tab>
<editor-tab :title-link-attributes="{ 'data-testid': 'tab2-btn' }" :lazy="true">
<mock-child content="${mockContent2}"/>
</editor-tab>
</gl-tabs>
`,
};
const createWrapper = () => {
wrapper = mount(MockTabbedContent);
};
beforeEach(() => {
mockChildMounted = jest.fn();
});
it('tabs are mounted lazily', async () => {
createWrapper();
expect(mockChildMounted).toHaveBeenCalledTimes(0);
});
it('first tab is only mounted after nextTick', async () => {
createWrapper();
await nextTick();
expect(mockChildMounted).toHaveBeenCalledTimes(1);
expect(mockChildMounted).toHaveBeenCalledWith(mockContent1);
});
describe('user interaction', () => {
const clickTab = async (testid) => {
wrapper.find(`[data-testid="${testid}"]`).trigger('click');
await nextTick();
};
beforeEach(() => {
createWrapper();
});
it('mounts a tab once after selecting it', async () => {
await clickTab('tab2-btn');
expect(mockChildMounted).toHaveBeenCalledTimes(2);
expect(mockChildMounted).toHaveBeenNthCalledWith(1, mockContent1);
expect(mockChildMounted).toHaveBeenNthCalledWith(2, mockContent2);
});
it('mounts each tab once after selecting each', async () => {
await clickTab('tab2-btn');
await clickTab('tab1-btn');
await clickTab('tab2-btn');
expect(mockChildMounted).toHaveBeenCalledTimes(2);
expect(mockChildMounted).toHaveBeenNthCalledWith(1, mockContent1);
expect(mockChildMounted).toHaveBeenNthCalledWith(2, mockContent2);
});
});
});
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