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import Vuex from 'vuex';
import { shallowMount, createLocalVue } from '@vue/test-utils';
import { TEST_HOST } from 'spec/test_constants';
import App from '~/diffs/components/app.vue';
import NoChanges from '~/diffs/components/no_changes.vue';
import DiffFile from '~/diffs/components/diff_file.vue';
import createDiffsStore from '../create_diffs_store';
describe('diffs/components/app', () => {
const oldMrTabs = window.mrTabs;
let store;
let vm;
function createComponent(props = {}, extendStore = () => {}) {
const localVue = createLocalVue();
localVue.use(Vuex);
store = createDiffsStore();
store.state.diffs.isLoading = false;
extendStore(store);
vm = shallowMount(localVue.extend(App), {
localVue,
propsData: {
endpoint: `${TEST_HOST}/diff/endpoint`,
projectPath: 'namespace/project',
currentUser: {},
changesEmptyStateIllustration: '',
...props,
},
store,
});
}
beforeEach(() => {
// setup globals (needed for component to mount :/)
window.mrTabs = jasmine.createSpyObj('mrTabs', ['resetViewContainer']);
window.mrTabs.expandViewContainer = jasmine.createSpy();
window.location.hash = 'ABC_123';
});
afterEach(() => {
// reset globals
window.mrTabs = oldMrTabs;
// reset component
vm.destroy();
});
it('does not show commit info', () => {
createComponent();
expect(vm.contains('.blob-commit-info')).toBe(false);
});
it('sets highlighted row if hash exists in location object', done => {
createComponent({
shouldShow: true,
});
// Component uses $nextTick so we wait until that has finished
setTimeout(() => {
expect(store.state.diffs.highlightedRow).toBe('ABC_123');
done();
});
});
describe('resizable', () => {
afterEach(() => {
localStorage.removeItem('mr_tree_list_width');
});
it('sets initial width when no localStorage has been set', () => {
createComponent();
expect(vm.vm.treeWidth).toEqual(320);
});
it('sets initial width to localStorage size', () => {
localStorage.setItem('mr_tree_list_width', '200');
createComponent();
expect(vm.vm.treeWidth).toEqual(200);
});
it('sets width of tree list', () => {
createComponent();
expect(vm.find('.js-diff-tree-list').element.style.width).toEqual('320px');
});
});
describe('empty state', () => {
it('renders empty state when no diff files exist', () => {
createComponent();
expect(vm.contains(NoChanges)).toBe(true);
});
it('does not render empty state when diff files exist', () => {
createComponent({}, () => {
store.state.diffs.diffFiles.push({
id: 1,
});
});
expect(vm.contains(NoChanges)).toBe(false);
expect(vm.findAll(DiffFile).length).toBe(1);
});
it('does not render empty state when versions match', () => {
createComponent({}, () => {
store.state.diffs.startVersion = { version_index: 1 };
store.state.diffs.mergeRequestDiff = { version_index: 1 };
});
expect(vm.contains(NoChanges)).toBe(false);
});
});
});
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