import { GlLoadingIcon, GlPagination } from '@gitlab/ui'; import { shallowMount } from '@vue/test-utils'; import MockAdapter from 'axios-mock-adapter'; import Vue, { nextTick } from 'vue'; import Vuex from 'vuex'; import setWindowLocation from 'helpers/set_window_location_helper'; import { TEST_HOST } from 'spec/test_constants'; import App from '~/diffs/components/app.vue'; import CommitWidget from '~/diffs/components/commit_widget.vue'; import CompareVersions from '~/diffs/components/compare_versions.vue'; import DiffFile from '~/diffs/components/diff_file.vue'; import NoChanges from '~/diffs/components/no_changes.vue'; import findingsDrawer from '~/diffs/components/shared/findings_drawer.vue'; import TreeList from '~/diffs/components/tree_list.vue'; import CollapsedFilesWarning from '~/diffs/components/collapsed_files_warning.vue'; import HiddenFilesWarning from '~/diffs/components/hidden_files_warning.vue'; import axios from '~/lib/utils/axios_utils'; import { HTTP_STATUS_OK } from '~/lib/utils/http_status'; import { Mousetrap } from '~/lib/mousetrap'; import * as urlUtils from '~/lib/utils/url_utility'; import { stubPerformanceWebAPI } from 'helpers/performance'; import createDiffsStore from '../create_diffs_store'; import diffsMockData from '../mock_data/merge_request_diffs'; const mergeRequestDiff = { version_index: 1 }; const TEST_ENDPOINT = `${TEST_HOST}/diff/endpoint`; const COMMIT_URL = `${TEST_HOST}/COMMIT/OLD`; const UPDATED_COMMIT_URL = `${TEST_HOST}/COMMIT/NEW`; Vue.use(Vuex); Vue.config.ignoredElements = ['copy-code']; function getCollapsedFilesWarning(wrapper) { return wrapper.findComponent(CollapsedFilesWarning); } describe('diffs/components/app', () => { const oldMrTabs = window.mrTabs; let store; let wrapper; let mock; function createComponent(props = {}, extendStore = () => {}, provisions = {}) { const provide = { ...provisions, glFeatures: { ...(provisions.glFeatures || {}), }, }; store = createDiffsStore(); store.state.diffs.isLoading = false; store.state.diffs.isTreeLoaded = true; extendStore(store); wrapper = shallowMount(App, { propsData: { endpoint: TEST_ENDPOINT, endpointMetadata: `${TEST_HOST}/diff/endpointMetadata`, endpointBatch: `${TEST_HOST}/diff/endpointBatch`, endpointDiffForPath: TEST_ENDPOINT, endpointCoverage: `${TEST_HOST}/diff/endpointCoverage`, endpointCodequality: '', projectPath: 'namespace/project', currentUser: {}, changesEmptyStateIllustration: '', dismissEndpoint: '', showSuggestPopover: true, fileByFileUserPreference: false, ...props, }, provide, store, }); } beforeEach(() => { stubPerformanceWebAPI(); // setup globals (needed for component to mount :/) window.mrTabs = { resetViewContainer: jest.fn(), }; window.mrTabs.expandViewContainer = jest.fn(); mock = new MockAdapter(axios); mock.onGet(TEST_ENDPOINT).reply(HTTP_STATUS_OK, {}); }); afterEach(() => { // reset globals window.mrTabs = oldMrTabs; mock.restore(); }); describe('fetch diff methods', () => { beforeEach(() => { const fetchResolver = () => { store.state.diffs.retrievingBatches = false; store.state.notes.doneFetchingBatchDiscussions = true; store.state.notes.discussions = 'test'; return Promise.resolve({ real_size: 100 }); }; jest.spyOn(window, 'requestIdleCallback').mockImplementation((fn) => fn()); createComponent(); jest.spyOn(wrapper.vm, 'fetchDiffFilesMeta').mockImplementation(fetchResolver); jest.spyOn(wrapper.vm, 'fetchDiffFilesBatch').mockImplementation(fetchResolver); jest.spyOn(wrapper.vm, 'fetchCoverageFiles').mockImplementation(fetchResolver); jest.spyOn(wrapper.vm, 'setDiscussions').mockImplementation(() => {}); jest.spyOn(wrapper.vm, 'unwatchDiscussions').mockImplementation(() => {}); jest.spyOn(wrapper.vm, 'unwatchRetrievingBatches').mockImplementation(() => {}); store.state.diffs.retrievingBatches = true; store.state.diffs.diffFiles = []; return nextTick(); }); it('calls batch methods if diffsBatchLoad is enabled, and not latest version', async () => { expect(wrapper.vm.diffFilesLength).toEqual(0); wrapper.vm.fetchData(false); await nextTick(); expect(wrapper.vm.fetchDiffFilesMeta).toHaveBeenCalled(); expect(wrapper.vm.fetchDiffFilesBatch).toHaveBeenCalled(); expect(wrapper.vm.fetchCoverageFiles).toHaveBeenCalled(); expect(wrapper.vm.unwatchDiscussions).toHaveBeenCalled(); expect(wrapper.vm.diffFilesLength).toBe(100); expect(wrapper.vm.unwatchRetrievingBatches).toHaveBeenCalled(); }); it('calls batch methods if diffsBatchLoad is enabled, and latest version', async () => { expect(wrapper.vm.diffFilesLength).toEqual(0); wrapper.vm.fetchData(false); await nextTick(); expect(wrapper.vm.fetchDiffFilesMeta).toHaveBeenCalled(); expect(wrapper.vm.fetchDiffFilesBatch).toHaveBeenCalled(); expect(wrapper.vm.fetchCoverageFiles).toHaveBeenCalled(); expect(wrapper.vm.unwatchDiscussions).toHaveBeenCalled(); expect(wrapper.vm.diffFilesLength).toBe(100); expect(wrapper.vm.unwatchRetrievingBatches).toHaveBeenCalled(); }); }); describe('fetch diff with no changes', () => { beforeEach(() => { const fetchResolver = () => { store.state.diffs.retrievingBatches = false; return Promise.resolve({ real_size: null }); }; createComponent(); jest.spyOn(wrapper.vm, 'fetchDiffFilesMeta').mockImplementation(fetchResolver); return nextTick(); }); it('diff counter to be 0 after fetch', async () => { expect(wrapper.vm.diffFilesLength).toEqual(0); wrapper.vm.fetchData(false); await nextTick(); expect(wrapper.vm.fetchDiffFilesMeta).toHaveBeenCalled(); expect(wrapper.vm.diffFilesLength).toEqual(0); }); }); describe('codequality diff', () => { it('does not fetch code quality data on FOSS', () => { createComponent(); jest.spyOn(wrapper.vm, 'fetchCodequality'); wrapper.vm.fetchData(false); expect(wrapper.vm.fetchCodequality).not.toHaveBeenCalled(); }); }); it('displays loading icon on loading', () => { createComponent({}, ({ state }) => { state.diffs.isLoading = true; }); expect(wrapper.findComponent(GlLoadingIcon).exists()).toBe(true); }); it('displays loading icon on batch loading', () => { createComponent({}, ({ state }) => { state.diffs.batchLoadingState = 'loading'; }); expect(wrapper.findComponent(GlLoadingIcon).exists()).toBe(true); }); it('displays diffs container when not loading', () => { createComponent(); expect(wrapper.findComponent(GlLoadingIcon).exists()).toBe(false); expect(wrapper.find('#diffs').exists()).toBe(true); }); it('does not show commit info', () => { createComponent(); expect(wrapper.find('.blob-commit-info').exists()).toBe(false); }); describe('row highlighting', () => { beforeEach(() => { window.location.hash = 'ABC_123'; }); it('sets highlighted row if hash exists in location object', async () => { createComponent({ shouldShow: true, }); // Component uses $nextTick so we wait until that has finished await nextTick(); expect(store.state.diffs.highlightedRow).toBe('ABC_123'); }); it('marks current diff file based on currently highlighted row', async () => { createComponent({ shouldShow: true, }); // Component uses $nextTick so we wait until that has finished await nextTick(); expect(store.state.diffs.currentDiffFileId).toBe('ABC'); }); }); describe('resizable', () => { afterEach(() => { localStorage.removeItem('mr_tree_list_width'); }); it('sets initial width when no localStorage has been set', () => { createComponent(); expect(wrapper.vm.treeWidth).toEqual(320); }); it('sets initial width to localStorage size', () => { localStorage.setItem('mr_tree_list_width', '200'); createComponent(); expect(wrapper.vm.treeWidth).toEqual(200); }); it('sets width of tree list', () => { createComponent({}, ({ state }) => { state.diffs.treeEntries = { 111: { type: 'blob', fileHash: '111', path: '111.js' } }; }); expect(wrapper.find('.js-diff-tree-list').element.style.width).toEqual('320px'); }); }); it('marks current diff file based on currently highlighted row', async () => { window.location.hash = 'ABC_123'; createComponent({ shouldShow: true, }); // Component uses nextTick so we wait until that has finished await nextTick(); expect(store.state.diffs.currentDiffFileId).toBe('ABC'); }); describe('empty state', () => { it('renders empty state when no diff files exist', () => { createComponent(); expect(wrapper.findComponent(NoChanges).exists()).toBe(true); }); it('does not render empty state when diff files exist', () => { createComponent({}, ({ state }) => { state.diffs.diffFiles = ['anything']; state.diffs.treeEntries['1'] = { type: 'blob', id: 1 }; }); expect(wrapper.findComponent(NoChanges).exists()).toBe(false); expect(wrapper.findComponent({ name: 'DynamicScroller' }).props('items')).toBe( store.state.diffs.diffFiles, ); }); }); describe('keyboard shortcut navigation', () => { let spies = []; let moveSpy; let jumpSpy; function setup(componentProps) { createComponent(componentProps, ({ state }) => { state.diffs.commit = { id: 'SHA123' }; }); moveSpy = jest.spyOn(wrapper.vm, 'moveToNeighboringCommit').mockImplementation(() => {}); jumpSpy = jest.spyOn(wrapper.vm, 'jumpToFile').mockImplementation(() => {}); spies = [jumpSpy, moveSpy]; } describe('visible app', () => { it.each` key | name | spy | args ${'['} | ${'jumpToFile'} | ${0} | ${[-1]} ${'k'} | ${'jumpToFile'} | ${0} | ${[-1]} ${']'} | ${'jumpToFile'} | ${0} | ${[+1]} ${'j'} | ${'jumpToFile'} | ${0} | ${[+1]} ${'x'} | ${'moveToNeighboringCommit'} | ${1} | ${[{ direction: 'previous' }]} ${'c'} | ${'moveToNeighboringCommit'} | ${1} | ${[{ direction: 'next' }]} `( 'calls `$name()` with correct parameters whenever the "$key" key is pressed', async ({ key, spy, args }) => { setup({ shouldShow: true }); await nextTick(); expect(spies[spy]).not.toHaveBeenCalled(); Mousetrap.trigger(key); expect(spies[spy]).toHaveBeenCalledWith(...args); }, ); it.each` key | name | spy | allowed ${'d'} | ${'jumpToFile'} | ${0} | ${['[', ']', 'j', 'k']} ${'r'} | ${'moveToNeighboringCommit'} | ${1} | ${['x', 'c']} `( `does not call \`$name()\` when a key that is not one of \`$allowed\` is pressed`, async ({ key, spy }) => { setup({ shouldShow: true }); await nextTick(); Mousetrap.trigger(key); expect(spies[spy]).not.toHaveBeenCalled(); }, ); }); describe('hidden app', () => { beforeEach(async () => { setup({ shouldShow: false }); await nextTick(); Mousetrap.reset(); }); it.each` key | name | spy ${'['} | ${'jumpToFile'} | ${0} ${'k'} | ${'jumpToFile'} | ${0} ${']'} | ${'jumpToFile'} | ${0} ${'j'} | ${'jumpToFile'} | ${0} ${'x'} | ${'moveToNeighboringCommit'} | ${1} ${'c'} | ${'moveToNeighboringCommit'} | ${1} `('stops calling `$name()` when the app is hidden', ({ key, spy }) => { Mousetrap.trigger(key); expect(spies[spy]).not.toHaveBeenCalled(); }); }); }); describe('jumpToFile', () => { let spy; beforeEach(() => { createComponent({}, () => { store.state.diffs.treeEntries = [ { type: 'blob', fileHash: '111', path: '111.js' }, { type: 'blob', fileHash: '222', path: '222.js' }, { type: 'blob', fileHash: '333', path: '333.js' }, ]; }); spy = jest.spyOn(store, 'dispatch'); }); it('jumps to next and previous files in the list', async () => { await nextTick(); wrapper.vm.jumpToFile(+1); expect(spy.mock.calls[spy.mock.calls.length - 1]).toEqual([ 'diffs/scrollToFile', { path: '222.js' }, ]); store.state.diffs.currentDiffFileId = '222'; wrapper.vm.jumpToFile(+1); expect(spy.mock.calls[spy.mock.calls.length - 1]).toEqual([ 'diffs/scrollToFile', { path: '333.js' }, ]); store.state.diffs.currentDiffFileId = '333'; wrapper.vm.jumpToFile(-1); expect(spy.mock.calls[spy.mock.calls.length - 1]).toEqual([ 'diffs/scrollToFile', { path: '222.js' }, ]); }); it('does not jump to previous file from the first one', async () => { await nextTick(); store.state.diffs.currentDiffFileId = '333'; expect(wrapper.vm.currentDiffIndex).toBe(2); wrapper.vm.jumpToFile(+1); expect(wrapper.vm.currentDiffIndex).toBe(2); expect(spy).not.toHaveBeenCalled(); }); it('does not jump to next file from the last one', async () => { await nextTick(); expect(wrapper.vm.currentDiffIndex).toBe(0); wrapper.vm.jumpToFile(-1); expect(wrapper.vm.currentDiffIndex).toBe(0); expect(spy).not.toHaveBeenCalled(); }); }); describe('commit watcher', () => { const spy = () => { jest.spyOn(wrapper.vm, 'refetchDiffData').mockImplementation(() => {}); jest.spyOn(wrapper.vm, 'adjustView').mockImplementation(() => {}); }; beforeEach(() => { setWindowLocation(COMMIT_URL); document.title = 'My Title'; }); beforeEach(() => { jest.spyOn(urlUtils, 'updateHistory'); }); it('when the commit changes and the app is not loading it should update the history, refetch the diff data, and update the view', async () => { createComponent({}, ({ state }) => { state.diffs.commit = { ...state.diffs.commit, id: 'OLD' }; }); spy(); store.state.diffs.commit = { id: 'NEW' }; await nextTick(); expect(urlUtils.updateHistory).toHaveBeenCalledWith({ title: document.title, url: UPDATED_COMMIT_URL, }); expect(wrapper.vm.refetchDiffData).toHaveBeenCalled(); expect(wrapper.vm.adjustView).toHaveBeenCalled(); }); it.each` isLoading | oldSha | newSha ${true} | ${'OLD'} | ${'NEW'} ${false} | ${'NEW'} | ${'NEW'} `( 'given `{ "isLoading": $isLoading, "oldSha": "$oldSha", "newSha": "$newSha" }`, nothing should happen', async ({ isLoading, oldSha, newSha }) => { createComponent({}, ({ state }) => { state.diffs.isLoading = isLoading; state.diffs.commit = { ...state.diffs.commit, id: oldSha }; }); spy(); store.state.diffs.commit = { id: newSha }; await nextTick(); expect(urlUtils.updateHistory).not.toHaveBeenCalled(); expect(wrapper.vm.refetchDiffData).not.toHaveBeenCalled(); expect(wrapper.vm.adjustView).not.toHaveBeenCalled(); }, ); }); describe('diffs', () => { it('should render compare versions component', () => { createComponent({}, ({ state }) => { state.diffs.mergeRequestDiffs = diffsMockData; state.diffs.targetBranchName = 'target-branch'; state.diffs.mergeRequestDiff = mergeRequestDiff; }); expect(wrapper.findComponent(CompareVersions).exists()).toBe(true); expect(wrapper.findComponent(CompareVersions).props()).toEqual( expect.objectContaining({ diffFilesCountText: null, }), ); }); describe('warnings', () => { describe('hidden files', () => { it('should render hidden files warning if render overflow warning is present', () => { createComponent({}, ({ state }) => { state.diffs.renderOverflowWarning = true; state.diffs.realSize = '5'; state.diffs.plainDiffPath = 'plain diff path'; state.diffs.emailPatchPath = 'email patch path'; state.diffs.size = 1; }); expect(wrapper.findComponent(HiddenFilesWarning).exists()).toBe(true); expect(wrapper.findComponent(HiddenFilesWarning).props()).toEqual( expect.objectContaining({ total: '5', plainDiffPath: 'plain diff path', emailPatchPath: 'email patch path', visible: 1, }), ); }); }); describe('collapsed files', () => { it('should render the collapsed files warning if there are any automatically collapsed files', () => { createComponent({}, ({ state }) => { state.diffs.diffFiles = [{ viewer: { automaticallyCollapsed: true } }]; }); expect(getCollapsedFilesWarning(wrapper).exists()).toBe(true); }); it('should not render the collapsed files warning if there are no automatically collapsed files', () => { createComponent({}, ({ state }) => { state.diffs.diffFiles = [ { viewer: { automaticallyCollapsed: false, manuallyCollapsed: true } }, { viewer: { automaticallyCollapsed: false, manuallyCollapsed: false } }, ]; }); expect(getCollapsedFilesWarning(wrapper).exists()).toBe(false); }); }); }); it('should display commit widget if store has a commit', () => { createComponent({}, () => { store.state.diffs.commit = { author: 'John Doe', }; }); expect(wrapper.findComponent(CommitWidget).exists()).toBe(true); }); it('should display diff file if there are diff files', () => { createComponent({}, ({ state }) => { state.diffs.diffFiles = [{ file_hash: '111', file_path: '111.js' }]; state.diffs.treeEntries = { 111: { type: 'blob', fileHash: '111', path: '111.js' }, 123: { type: 'blob', fileHash: '123', path: '123.js' }, 312: { type: 'blob', fileHash: '312', path: '312.js' }, }; }); expect(wrapper.findComponent({ name: 'DynamicScroller' }).exists()).toBe(true); expect(wrapper.findComponent({ name: 'DynamicScroller' }).props('items')).toBe( store.state.diffs.diffFiles, ); }); it("doesn't render tree list when no changes exist", () => { createComponent(); expect(wrapper.findComponent(TreeList).exists()).toBe(false); }); it('should render tree list', () => { createComponent({}, ({ state }) => { state.diffs.treeEntries = { 111: { type: 'blob', fileHash: '111', path: '111.js' } }; }); expect(wrapper.findComponent(TreeList).exists()).toBe(true); }); }); describe('setTreeDisplay', () => { afterEach(() => { localStorage.removeItem('mr_tree_show'); }); it('calls setShowTreeList when only 1 file', () => { createComponent({}, ({ state }) => { state.diffs.treeEntries = { 123: { type: 'blob', fileHash: '123' } }; }); jest.spyOn(store, 'dispatch'); wrapper.vm.setTreeDisplay(); expect(store.dispatch).toHaveBeenCalledWith('diffs/setShowTreeList', { showTreeList: false, saving: false, }); }); it('calls setShowTreeList with true when more than 1 file is in tree entries map', () => { createComponent({}, ({ state }) => { state.diffs.treeEntries = { 111: { type: 'blob', fileHash: '111', path: '111.js' }, 123: { type: 'blob', fileHash: '123', path: '123.js' }, }; }); jest.spyOn(store, 'dispatch'); wrapper.vm.setTreeDisplay(); expect(store.dispatch).toHaveBeenCalledWith('diffs/setShowTreeList', { showTreeList: true, saving: false, }); }); it.each` showTreeList ${true} ${false} `('calls setShowTreeList with localstorage $showTreeList', ({ showTreeList }) => { localStorage.setItem('mr_tree_show', showTreeList); createComponent({}, ({ state }) => { state.diffs.treeEntries['123'] = { sha: '123' }; }); jest.spyOn(store, 'dispatch'); wrapper.vm.setTreeDisplay(); expect(store.dispatch).toHaveBeenCalledWith('diffs/setShowTreeList', { showTreeList, saving: false, }); }); }); describe('file-by-file', () => { it('renders a single diff', async () => { createComponent({ fileByFileUserPreference: true }, ({ state }) => { state.diffs.treeEntries = { 123: { type: 'blob', fileHash: '123' }, 312: { type: 'blob', fileHash: '312' }, }; state.diffs.diffFiles.push({ file_hash: '312' }); }); await nextTick(); expect(wrapper.findAllComponents(DiffFile).length).toBe(1); }); describe('pagination', () => { const fileByFileNav = () => wrapper.find('[data-testid="file-by-file-navigation"]'); const paginator = () => fileByFileNav().findComponent(GlPagination); it('sets previous button as disabled', async () => { createComponent({ fileByFileUserPreference: true }, ({ state }) => { state.diffs.treeEntries = { 123: { type: 'blob', fileHash: '123' }, 312: { type: 'blob', fileHash: '312' }, }; }); await nextTick(); expect(paginator().attributes('prevpage')).toBe(undefined); expect(paginator().attributes('nextpage')).toBe('2'); }); it('sets next button as disabled', async () => { createComponent({ fileByFileUserPreference: true }, ({ state }) => { state.diffs.treeEntries = { 123: { type: 'blob', fileHash: '123' }, 312: { type: 'blob', fileHash: '312' }, }; state.diffs.currentDiffFileId = '312'; }); await nextTick(); expect(paginator().attributes('prevpage')).toBe('1'); expect(paginator().attributes('nextpage')).toBe(undefined); }); it("doesn't display when there's fewer than 2 files", async () => { createComponent({ fileByFileUserPreference: true }, ({ state }) => { state.diffs.treeEntries = { 123: { type: 'blob', fileHash: '123' } }; state.diffs.currentDiffFileId = '123'; }); await nextTick(); expect(fileByFileNav().exists()).toBe(false); }); it.each` currentDiffFileId | targetFile | newFileByFile ${'123'} | ${2} | ${false} ${'312'} | ${1} | ${true} `( 'calls navigateToDiffFileIndex with $index when $link is clicked', async ({ currentDiffFileId, targetFile, newFileByFile }) => { createComponent( { fileByFileUserPreference: true }, ({ state }) => { state.diffs.treeEntries = { 123: { type: 'blob', fileHash: '123', filePaths: { old: '1234', new: '123' } }, 312: { type: 'blob', fileHash: '312', filePaths: { old: '3124', new: '312' } }, }; state.diffs.currentDiffFileId = currentDiffFileId; }, { glFeatures: { singleFileFileByFile: newFileByFile, }, }, ); await nextTick(); jest.spyOn(wrapper.vm, 'navigateToDiffFileIndex'); paginator().vm.$emit('input', targetFile); await nextTick(); expect(wrapper.vm.navigateToDiffFileIndex).toHaveBeenCalledWith({ index: targetFile - 1, singleFile: newFileByFile, }); }, ); }); }); describe('findings-drawer', () => { it('does not render findings-drawer when codeQualityInlineDrawer flag is off', () => { createComponent(); expect(wrapper.findComponent(findingsDrawer).exists()).toBe(false); }); it('does render findings-drawer when codeQualityInlineDrawer flag is on', () => { createComponent({}, () => {}, { glFeatures: { codeQualityInlineDrawer: true, }, }); expect(wrapper.findComponent(findingsDrawer).exists()).toBe(true); }); }); });