debian-mirror-gitlab/spec/frontend/diffs/components/diff_file_header_spec.js

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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,
});
};
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 $expanded', ({ icon, expanded }) => {
createComponent({ expanded, collapsible: true });
expect(findCollapseIcon().props('name')).toBe(icon);
});
it('when header is clicked emits toggleFile', () => {
createComponent();
findHeader().trigger('click');
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return wrapper.vm.$nextTick().then(() => {
expect(wrapper.emitted().toggleFile).toBeDefined();
});
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});
it('when collapseIcon is clicked emits toggleFile', () => {
createComponent({ collapsible: true });
findCollapseIcon().vm.$emit('click', new Event('click'));
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return wrapper.vm.$nextTick().then(() => {
expect(wrapper.emitted().toggleFile).toBeDefined();
});
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});
it('when other element in header is clicked does not emits toggleFile', () => {
createComponent({ collapsible: true });
findTitleLink().trigger('click');
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return wrapper.vm.$nextTick().then(() => {
expect(wrapper.emitted().toggleFile).not.toBeDefined();
});
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});
it('displays a copy to clipboard button', () => {
createComponent();
expect(wrapper.find(ClipboardButton).exists()).toBe(true);
});
describe('for submodule', () => {
const submoduleDiffFile = {
...diffFile,
submodule: true,
submodule_link: 'link://to/submodule',
};
it('prefers submodule_tree_url over submodule_link for href', () => {
const submoduleTreeUrl = 'some://tree/url';
createComponent({
discussionLink: 'discussionLink',
diffFile: {
...submoduleDiffFile,
submodule_tree_url: 'some://tree/url',
},
});
expect(findTitleLink().attributes('href')).toBe(submoduleTreeUrl);
});
it('uses submodule_link for href if submodule_tree_url does not exists', () => {
const submoduleLink = 'link://to/submodule';
createComponent({
discussionLink: 'discussionLink',
diffFile: submoduleDiffFile,
});
expect(findTitleLink().attributes('href')).toBe(submoduleLink);
});
it('uses file_path + SHA as link text', () => {
createComponent({
diffFile: submoduleDiffFile,
});
expect(findTitleLink().text()).toContain(
`${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');
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return wrapper.vm.$nextTick().then(() => {
expect(wrapper.emitted().showForkMessage).toBeDefined();
});
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});
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);
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expect(findViewFileButton().attributes('title')).toEqual(
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`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);
});
});
});