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import { trimText } from 'helpers/text_helper';
import { mount, createLocalVue } from '@vue/test-utils';
import Vuex from 'vuex';
import CompareVersionsComponent from '~/diffs/components/compare_versions.vue';
import { createStore } from '~/mr_notes/stores';
import diffsMockData from '../mock_data/merge_request_diffs';
import getDiffWithCommit from '../mock_data/diff_with_commit';
const localVue = createLocalVue();
localVue.use(Vuex);
describe('CompareVersions', () => {
let wrapper;
let store;
const targetBranchName = 'tmp-wine-dev';
const createWrapper = (props) => {
wrapper = mount(CompareVersionsComponent, {
localVue,
store,
propsData: {
mergeRequestDiffs: diffsMockData,
diffFilesCountText: '1',
...props,
},
});
};
const findLimitedContainer = () => wrapper.find('.container-limited.limit-container-width');
const findCompareSourceDropdown = () => wrapper.find('.mr-version-dropdown');
const findCompareTargetDropdown = () => wrapper.find('.mr-version-compare-dropdown');
beforeEach(() => {
store = createStore();
const mergeRequestDiff = diffsMockData[0];
store.state.diffs.addedLines = 10;
store.state.diffs.removedLines = 20;
store.state.diffs.diffFiles.push('test');
store.state.diffs.targetBranchName = targetBranchName;
store.state.diffs.mergeRequestDiff = mergeRequestDiff;
store.state.diffs.mergeRequestDiffs = diffsMockData;
});
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
describe('template', () => {
beforeEach(() => {
createWrapper();
});
it('should render Tree List toggle button with correct attribute values', () => {
const treeListBtn = wrapper.find('.js-toggle-tree-list');
expect(treeListBtn.exists()).toBe(true);
expect(treeListBtn.attributes('title')).toBe('Hide file browser');
expect(treeListBtn.props('icon')).toBe('file-tree');
});
it('should render comparison dropdowns with correct values', () => {
const sourceDropdown = findCompareSourceDropdown();
const targetDropdown = findCompareTargetDropdown();
expect(sourceDropdown.exists()).toBe(true);
expect(targetDropdown.exists()).toBe(true);
expect(sourceDropdown.find('a p').html()).toContain('latest version');
expect(targetDropdown.find('button').html()).toContain(targetBranchName);
});
it('should render view types buttons with correct values', () => {
const inlineBtn = wrapper.find('#inline-diff-btn');
const parallelBtn = wrapper.find('#parallel-diff-btn');
expect(inlineBtn.exists()).toBe(true);
expect(parallelBtn.exists()).toBe(true);
expect(inlineBtn.attributes('data-view-type')).toEqual('inline');
expect(parallelBtn.attributes('data-view-type')).toEqual('parallel');
expect(inlineBtn.html()).toContain('Inline');
expect(parallelBtn.html()).toContain('Side-by-side');
});
it('adds container-limiting classes when showFileTree is false with inline diffs', () => {
createWrapper({ isLimitedContainer: true });
expect(findLimitedContainer().exists()).toBe(true);
});
it('does not add container-limiting classes when showFileTree is false with inline diffs', () => {
createWrapper({ isLimitedContainer: false });
expect(findLimitedContainer().exists()).toBe(false);
});
});
describe('noChangedFiles', () => {
beforeEach(() => {
store.state.diffs.diffFiles = [];
});
it('should not render Tree List toggle button when there are no changes', () => {
createWrapper();
const treeListBtn = wrapper.find('.js-toggle-tree-list');
expect(treeListBtn.exists()).toBe(false);
});
});
describe('setInlineDiffViewType', () => {
it('should persist the view type in the url', () => {
createWrapper();
const viewTypeBtn = wrapper.find('#inline-diff-btn');
viewTypeBtn.trigger('click');
expect(window.location.toString()).toContain('?view=inline');
});
});
describe('setParallelDiffViewType', () => {
it('should persist the view type in the url', () => {
createWrapper();
const viewTypeBtn = wrapper.find('#parallel-diff-btn');
viewTypeBtn.trigger('click');
expect(window.location.toString()).toContain('?view=parallel');
});
});
describe('commit', () => {
beforeEach(() => {
store.state.diffs.commit = getDiffWithCommit().commit;
createWrapper();
});
it('does not render compare dropdowns', () => {
expect(findCompareSourceDropdown().exists()).toBe(false);
expect(findCompareTargetDropdown().exists()).toBe(false);
});
it('renders latest version button', () => {
expect(trimText(wrapper.find('.js-latest-version').text())).toBe('Show latest version');
});
it('renders short commit ID', () => {
expect(wrapper.text()).toContain('Viewing commit');
expect(wrapper.text()).toContain(wrapper.vm.commit.short_id);
});
});
describe('with no versions', () => {
beforeEach(() => {
store.state.diffs.mergeRequestDiffs = [];
createWrapper();
});
it('does not render compare dropdowns', () => {
expect(findCompareSourceDropdown().exists()).toBe(false);
expect(findCompareTargetDropdown().exists()).toBe(false);
});
});
});
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