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import { GlLoadingIcon } from '@gitlab/ui';
import { shallowMount } from '@vue/test-utils';
import Vue from 'vue';
import Vuex from 'vuex';
import DiffContentComponent from '~/diffs/components/diff_content.vue';
import DiffDiscussions from '~/diffs/components/diff_discussions.vue';
import DiffView from '~/diffs/components/diff_view.vue';
import { IMAGE_DIFF_POSITION_TYPE } from '~/diffs/constants';
import { diffViewerModes } from '~/ide/constants';
import NoteForm from '~/notes/components/note_form.vue';
import NoPreviewViewer from '~/vue_shared/components/diff_viewer/viewers/no_preview.vue';
import NotDiffableViewer from '~/vue_shared/components/diff_viewer/viewers/not_diffable.vue';
import { getDiffFileMock } from '../mock_data/diff_file';
Vue.use(Vuex);
describe('DiffContent', () => {
let wrapper;
const saveDiffDiscussionMock = jest.fn();
const closeDiffFileCommentFormMock = jest.fn();
const noteableTypeGetterMock = jest.fn();
const getUserDataGetterMock = jest.fn();
const isInlineViewGetterMock = jest.fn();
const isParallelViewGetterMock = jest.fn();
const getCommentFormForDiffFileGetterMock = jest.fn();
const defaultProps = {
diffFile: getDiffFileMock(),
};
const createComponent = ({ props, state, provide } = {}) => {
const fakeStore = new Vuex.Store({
getters: {
getNoteableData() {
return {
current_user: {
can_create_note: true,
},
};
},
noteableType: noteableTypeGetterMock,
getUserData: getUserDataGetterMock,
},
modules: {
/*
we need extra batchComments since vue-test-utils does not
stub async components properly
*/
batchComments: {
namespaced: true,
getters: {
draftsForFile: () => () => true,
draftsForLine: () => () => true,
shouldRenderDraftRow: () => () => true,
hasParallelDraftLeft: () => () => true,
hasParallelDraftRight: () => () => true,
},
},
diffs: {
namespaced: true,
state: {
projectPath: 'project/path',
endpoint: 'endpoint',
...state,
},
getters: {
isInlineView: isInlineViewGetterMock,
isParallelView: isParallelViewGetterMock,
getCommentFormForDiffFile: getCommentFormForDiffFileGetterMock,
diffLines: () => () => [...getDiffFileMock().parallel_diff_lines],
fileLineCodequality: () => () => [],
},
actions: {
saveDiffDiscussion: saveDiffDiscussionMock,
closeDiffFileCommentForm: closeDiffFileCommentFormMock,
},
},
},
});
const glFeatures = provide ? { ...provide.glFeatures } : {};
wrapper = shallowMount(DiffContentComponent, {
propsData: {
...defaultProps,
...props,
},
store: fakeStore,
provide: { glFeatures },
});
};
describe('with text based files', () => {
afterEach(() => {
[isParallelViewGetterMock, isInlineViewGetterMock].forEach((m) => m.mockRestore());
});
const textDiffFile = { ...defaultProps.diffFile, viewer: { name: diffViewerModes.text } };
it('should render diff view if `unifiedDiffComponents` are true', () => {
createComponent({
props: { diffFile: textDiffFile },
});
expect(wrapper.findComponent(DiffView).exists()).toBe(true);
});
it('renders rendering more lines loading icon', () => {
createComponent({ props: { diffFile: { ...textDiffFile, renderingLines: true } } });
expect(wrapper.findComponent(GlLoadingIcon).exists()).toBe(true);
});
});
describe('with whitespace only change', () => {
afterEach(() => {
[isParallelViewGetterMock, isInlineViewGetterMock].forEach((m) => m.mockRestore());
});
const textDiffFile = {
...defaultProps.diffFile,
viewer: { name: diffViewerModes.text, whitespace_only: true },
};
it('should render empty state', () => {
createComponent({
props: { diffFile: textDiffFile },
});
expect(wrapper.find('[data-testid="diff-whitespace-only-state"]').exists()).toBe(true);
});
it('emits load-file event when clicking show changes button', () => {
createComponent({
props: { diffFile: textDiffFile },
});
wrapper.find('[data-testid="diff-load-file-button"]').vm.$emit('click');
expect(wrapper.emitted('load-file')).toEqual([[{ w: '0' }]]);
});
});
describe('with empty files', () => {
const emptyDiffFile = {
...defaultProps.diffFile,
viewer: { name: diffViewerModes.text },
highlighted_diff_lines: [],
parallel_diff_lines: [],
};
it('should render a no preview view if viewer set to no preview', () => {
createComponent({
props: { diffFile: { ...emptyDiffFile, viewer: { name: diffViewerModes.no_preview } } },
});
expect(wrapper.findComponent(NoPreviewViewer).exists()).toBe(true);
});
it('should render not diffable view if viewer set to non_diffable', () => {
createComponent({
props: { diffFile: { ...emptyDiffFile, viewer: { name: diffViewerModes.not_diffable } } },
});
expect(wrapper.findComponent(NotDiffableViewer).exists()).toBe(true);
});
});
describe('with image files', () => {
const imageDiffFile = { ...defaultProps.diffFile, viewer: { name: diffViewerModes.image } };
it('renders diff file discussions', () => {
getCommentFormForDiffFileGetterMock.mockReturnValue(() => true);
createComponent({
props: {
diffFile: {
...imageDiffFile,
discussions: [
{ name: 'discussion-stub', position: { position_type: IMAGE_DIFF_POSITION_TYPE } },
],
},
},
});
expect(wrapper.findComponent(DiffDiscussions).exists()).toBe(true);
});
it('emits saveDiffDiscussion when note-form emits `handleFormUpdate`', () => {
const noteStub = {};
getCommentFormForDiffFileGetterMock.mockReturnValue(() => true);
const currentDiffFile = {
...imageDiffFile,
discussions: [
{ name: 'discussion-stub', position: { position_type: IMAGE_DIFF_POSITION_TYPE } },
],
};
createComponent({
props: {
diffFile: currentDiffFile,
},
});
wrapper.findComponent(NoteForm).vm.$emit('handleFormUpdate', noteStub);
expect(saveDiffDiscussionMock).toHaveBeenCalledWith(expect.any(Object), {
note: noteStub,
formData: {
noteableData: expect.any(Object),
diffFile: currentDiffFile,
positionType: IMAGE_DIFF_POSITION_TYPE,
x: undefined,
y: undefined,
width: undefined,
height: undefined,
noteableType: undefined,
},
});
});
});
});
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