import { shallowMount, createLocalVue } from '@vue/test-utils'; import Vuex from 'vuex'; import DiffFileHeader from '~/diffs/components/diff_file_header.vue'; import EditButton from '~/diffs/components/edit_button.vue'; import ClipboardButton from '~/vue_shared/components/clipboard_button.vue'; import Icon from '~/vue_shared/components/icon.vue'; import diffDiscussionsMockData from '../mock_data/diff_discussions'; import { truncateSha } from '~/lib/utils/text_utility'; import { diffViewerModes } from '~/ide/constants'; import { __, sprintf } from '~/locale'; import { scrollToElement } from '~/lib/utils/common_utils'; jest.mock('~/lib/utils/common_utils'); const diffFile = Object.freeze( Object.assign(diffDiscussionsMockData.diff_file, { edit_path: 'link:/to/edit/path', blob: { id: '848ed9407c6730ff16edb3dd24485a0eea24292a', path: 'lib/base.js', name: 'base.js', mode: '100644', readable_text: true, icon: 'file-text-o', }, }), ); describe('DiffFileHeader component', () => { let wrapper; const diffHasExpandedDiscussionsResultMock = jest.fn(); const diffHasDiscussionsResultMock = jest.fn(); const mockStoreConfig = { state: {}, modules: { diffs: { namespaced: true, getters: { diffHasExpandedDiscussions: () => diffHasExpandedDiscussionsResultMock, diffHasDiscussions: () => diffHasDiscussionsResultMock, }, actions: { toggleFileDiscussions: jest.fn(), toggleFileDiscussionWrappers: jest.fn(), toggleFullDiff: jest.fn(), }, }, }, }; afterEach(() => { [ diffHasDiscussionsResultMock, diffHasExpandedDiscussionsResultMock, ...Object.values(mockStoreConfig.modules.diffs.actions), ].forEach(mock => mock.mockReset()); }); const findHeader = () => wrapper.find({ ref: 'header' }); const findTitleLink = () => wrapper.find({ ref: 'titleWrapper' }); const findExpandButton = () => wrapper.find({ ref: 'expandDiffToFullFileButton' }); const findFileActions = () => wrapper.find('.file-actions'); const findModeChangedLine = () => wrapper.find({ ref: 'fileMode' }); const findLfsLabel = () => wrapper.find('.label-lfs'); const findToggleDiscussionsButton = () => wrapper.find({ ref: 'toggleDiscussionsButton' }); const findExternalLink = () => wrapper.find({ ref: 'externalLink' }); const findReplacedFileButton = () => wrapper.find({ ref: 'replacedFileButton' }); const findViewFileButton = () => wrapper.find({ ref: 'viewButton' }); const findCollapseIcon = () => wrapper.find({ ref: 'collapseIcon' }); const findIconByName = iconName => { const icons = wrapper.findAll(Icon).filter(w => w.props('name') === iconName); if (icons.length === 0) return icons; if (icons.length > 1) { throw new Error(`Multiple icons found for ${iconName}`); } return icons.at(0); }; const createComponent = props => { const localVue = createLocalVue(); localVue.use(Vuex); const store = new Vuex.Store(mockStoreConfig); wrapper = shallowMount(DiffFileHeader, { propsData: { diffFile, canCurrentUserFork: false, ...props, }, localVue, store, sync: false, attachToDocument: true, }); }; it.each` visibility | collapsible ${'visible'} | ${true} ${'hidden'} | ${false} `('collapse toggle is $visibility if collapsible is $collapsible', ({ collapsible }) => { createComponent({ collapsible }); expect(findCollapseIcon().exists()).toBe(collapsible); }); it.each` expanded | icon ${true} | ${'chevron-down'} ${false} | ${'chevron-right'} `('collapse icon is $icon if expanded is $expanded', ({ icon, expanded }) => { createComponent({ expanded, collapsible: true }); expect(findCollapseIcon().props('name')).toBe(icon); }); it('when header is clicked emits toggleFile', () => { createComponent(); findHeader().trigger('click'); expect(wrapper.emitted().toggleFile).toBeDefined(); }); it('when collapseIcon is clicked emits toggleFile', () => { createComponent({ collapsible: true }); findCollapseIcon().vm.$emit('click', new Event('click')); expect(wrapper.emitted().toggleFile).toBeDefined(); }); it('when other element in header is clicked does not emits toggleFile', () => { createComponent({ collapsible: true }); findTitleLink().trigger('click'); expect(wrapper.emitted().toggleFile).not.toBeDefined(); }); it('displays a copy to clipboard button', () => { createComponent(); expect(wrapper.find(ClipboardButton).exists()).toBe(true); }); describe('for submodule', () => { const submoduleDiffFile = { ...diffFile, submodule: true, submodule_link: 'link://to/submodule', }; it('prefers submodule_tree_url over submodule_link for href', () => { const submoduleTreeUrl = 'some://tree/url'; createComponent({ discussionLink: 'discussionLink', diffFile: { ...submoduleDiffFile, submodule_tree_url: 'some://tree/url', }, }); expect(findTitleLink().attributes('href')).toBe(submoduleTreeUrl); }); it('uses submodule_link for href if submodule_tree_url does not exists', () => { const submoduleLink = 'link://to/submodule'; createComponent({ discussionLink: 'discussionLink', diffFile: submoduleDiffFile, }); expect(findTitleLink().attributes('href')).toBe(submoduleLink); }); it('uses file_path + SHA as link text', () => { createComponent({ diffFile: submoduleDiffFile, }); expect(findTitleLink().text()).toContain( `${diffFile.file_path} @ ${truncateSha(diffFile.blob.id)}`, ); }); it('does not render file actions', () => { createComponent({ diffFile: submoduleDiffFile, addMergeRequestButtons: true, }); expect(findFileActions().exists()).toBe(false); }); }); describe('for any file', () => { const otherModes = Object.keys(diffViewerModes).filter(m => m !== 'mode_changed'); it('when edit button emits showForkMessage event it is re-emitted', () => { createComponent({ addMergeRequestButtons: true, }); wrapper.find(EditButton).vm.$emit('showForkMessage'); expect(wrapper.emitted().showForkMessage).toBeDefined(); }); it('for mode_changed file mode displays mode changes', () => { createComponent({ diffFile: { ...diffFile, a_mode: 'old-mode', b_mode: 'new-mode', viewer: { ...diffFile.viewer, name: diffViewerModes.mode_changed, }, }, }); expect(findModeChangedLine().text()).toMatch(/old-mode.+new-mode/); }); it.each(otherModes.map(m => [m]))('for %s file mode does not display mode changes', mode => { createComponent({ diffFile: { ...diffFile, a_mode: 'old-mode', b_mode: 'new-mode', viewer: { ...diffFile.viewer, name: diffViewerModes[mode], }, }, }); expect(findModeChangedLine().exists()).toBeFalsy(); }); it('displays the LFS label for files stored in LFS', () => { createComponent({ diffFile: { ...diffFile, stored_externally: true, external_storage: 'lfs' }, }); expect(findLfsLabel().exists()).toBe(true); }); it('does not display the LFS label for files stored in repository', () => { createComponent({ diffFile: { ...diffFile, stored_externally: false }, }); expect(findLfsLabel().exists()).toBe(false); }); it('does not render view replaced file button if no replaced view path is present', () => { createComponent({ diffFile: { ...diffFile, replaced_view_path: null }, }); expect(findReplacedFileButton().exists()).toBe(false); }); describe('when addMergeRequestButtons is false', () => { it('does not render file actions', () => { createComponent({ addMergeRequestButtons: false }); expect(findFileActions().exists()).toBe(false); }); it('should not render edit button', () => { createComponent({ addMergeRequestButtons: false }); expect(wrapper.find(EditButton).exists()).toBe(false); }); }); describe('when addMergeRequestButtons is true', () => { describe('without discussions', () => { it('renders a disabled toggle discussions button', () => { diffHasDiscussionsResultMock.mockReturnValue(false); createComponent({ addMergeRequestButtons: true }); expect(findToggleDiscussionsButton().attributes('disabled')).toBe('true'); }); }); describe('with discussions', () => { it('dispatches toggleFileDiscussionWrappers when user clicks on toggle discussions button', () => { diffHasDiscussionsResultMock.mockReturnValue(true); createComponent({ addMergeRequestButtons: true }); expect(findToggleDiscussionsButton().attributes('disabled')).toBeFalsy(); findToggleDiscussionsButton().vm.$emit('click'); expect( mockStoreConfig.modules.diffs.actions.toggleFileDiscussionWrappers, ).toHaveBeenCalledWith(expect.any(Object), diffFile, undefined); }); }); it('should show edit button', () => { createComponent({ addMergeRequestButtons: true, }); expect(wrapper.find(EditButton).exists()).toBe(true); }); describe('view on environment button', () => { it('is displayed when external url is provided', () => { const externalUrl = 'link://to/external'; const formattedExternalUrl = 'link://formatted'; createComponent({ diffFile: { ...diffFile, external_url: externalUrl, formatted_external_url: formattedExternalUrl, }, addMergeRequestButtons: true, }); expect(findExternalLink().exists()).toBe(true); }); it('is hidden by default', () => { createComponent({ addMergeRequestButtons: true }); expect(findExternalLink().exists()).toBe(false); }); }); describe('without file blob', () => { beforeEach(() => { createComponent({ diffFile: { ...diffFile, blob: false } }); }); it('should not render toggle discussions button', () => { expect(findToggleDiscussionsButton().exists()).toBe(false); }); it('should not render edit button', () => { expect(wrapper.find(EditButton).exists()).toBe(false); }); }); describe('with file blob', () => { it('should render correct file view button', () => { const viewPath = 'link://view-path'; createComponent({ diffFile: { ...diffFile, view_path: viewPath }, addMergeRequestButtons: true, }); expect(findViewFileButton().attributes('href')).toBe(viewPath); expect(findViewFileButton().attributes('data-original-title')).toEqual( `View file @ ${diffFile.content_sha.substr(0, 8)}`, ); }); }); }); describe('expand full file button', () => { describe('when diff is fully expanded', () => { it('is not rendered', () => { createComponent({ diffFile: { ...diffFile, is_fully_expanded: true, }, }); expect(findExpandButton().exists()).toBe(false); }); }); describe('when diff is not fully expanded', () => { const fullyNotExpandedFileProps = { diffFile: { ...diffFile, is_fully_expanded: false, edit_path: 'link/to/edit/path.txt', isShowingFullFile: false, }, addMergeRequestButtons: true, }; it.each` iconName | isShowingFullFile ${'doc-expand'} | ${false} ${'doc-changes'} | ${true} `( 'shows $iconName when isShowingFullFile set to $isShowingFullFile', ({ iconName, isShowingFullFile }) => { createComponent({ ...fullyNotExpandedFileProps, diffFile: { ...fullyNotExpandedFileProps.diffFile, isShowingFullFile }, }); expect(findIconByName(iconName).exists()).toBe(true); }, ); it('renders expand to full file button if not showing full file already', () => { createComponent(fullyNotExpandedFileProps); expect(findExpandButton().exists()).toBe(true); }); it('renders loading icon when loading full file', () => { createComponent(fullyNotExpandedFileProps); expect(findExpandButton().exists()).toBe(true); }); it('toggles full diff on click', () => { createComponent(fullyNotExpandedFileProps); findExpandButton().vm.$emit('click'); expect(mockStoreConfig.modules.diffs.actions.toggleFullDiff).toHaveBeenCalled(); }); }); }); it('uses discussionPath for link if it is defined', () => { const discussionPath = 'link://to/discussion'; createComponent({ discussionPath, }); expect(findTitleLink().attributes('href')).toBe(discussionPath); }); it('uses local anchor for link as last resort', () => { createComponent(); expect(findTitleLink().attributes('href')).toMatch(/^#diff-content/); }); describe('when local anchor for link is clicked', () => { beforeEach(() => { createComponent(); }); it('scrolls to target', () => { findTitleLink().trigger('click'); expect(scrollToElement).toHaveBeenCalled(); }); it('updates anchor in URL', () => { findTitleLink().trigger('click'); expect(window.location.href).toMatch(/#diff-content/); }); }); }); describe('for new file', () => { it('displays the path', () => { createComponent({ diffFile: { ...diffFile, new_file: true } }); expect(findTitleLink().text()).toBe(diffFile.file_path); }); }); describe('for deleted file', () => { it('displays the path', () => { createComponent({ diffFile: { ...diffFile, deleted_file: true } }); expect(findTitleLink().text()).toBe( sprintf(__('%{filePath} deleted'), { filePath: diffFile.file_path }, false), ); }); it('does not show edit button', () => { createComponent({ diffFile: { ...diffFile, deleted_file: true } }); expect(wrapper.find(EditButton).exists()).toBe(false); }); }); describe('for renamed file', () => { it('displays old and new path if the file was renamed', () => { createComponent({ diffFile: { ...diffFile, renamed_file: true, old_path_html: 'old', new_path_html: 'new', }, }); expect(findTitleLink().text()).toMatch(/^old.+new/s); }); }); describe('for replaced file', () => { it('renders view replaced file button', () => { const replacedViewPath = 'some/path'; createComponent({ diffFile: { ...diffFile, replaced_view_path: replacedViewPath, }, addMergeRequestButtons: true, }); expect(findReplacedFileButton().exists()).toBe(true); }); }); });