704 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			704 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| import { GlLoadingIcon, GlPagination } from '@gitlab/ui';
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| import { shallowMount } from '@vue/test-utils';
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| import MockAdapter from 'axios-mock-adapter';
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| import Mousetrap from 'mousetrap';
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| import Vue, { nextTick } from 'vue';
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| import Vuex from 'vuex';
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| import setWindowLocation from 'helpers/set_window_location_helper';
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| import { TEST_HOST } from 'spec/test_constants';
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| import App from '~/diffs/components/app.vue';
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| import CommitWidget from '~/diffs/components/commit_widget.vue';
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| import CompareVersions from '~/diffs/components/compare_versions.vue';
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| import DiffFile from '~/diffs/components/diff_file.vue';
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| import NoChanges from '~/diffs/components/no_changes.vue';
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| import TreeList from '~/diffs/components/tree_list.vue';
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| 
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| import CollapsedFilesWarning from '~/diffs/components/collapsed_files_warning.vue';
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| import HiddenFilesWarning from '~/diffs/components/hidden_files_warning.vue';
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| 
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| import axios from '~/lib/utils/axios_utils';
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| import * as urlUtils from '~/lib/utils/url_utility';
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| import createDiffsStore from '../create_diffs_store';
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| import diffsMockData from '../mock_data/merge_request_diffs';
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| 
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| const mergeRequestDiff = { version_index: 1 };
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| const TEST_ENDPOINT = `${TEST_HOST}/diff/endpoint`;
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| const COMMIT_URL = `${TEST_HOST}/COMMIT/OLD`;
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| const UPDATED_COMMIT_URL = `${TEST_HOST}/COMMIT/NEW`;
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| 
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| Vue.use(Vuex);
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| 
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| function getCollapsedFilesWarning(wrapper) {
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|   return wrapper.find(CollapsedFilesWarning);
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| }
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| 
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| describe('diffs/components/app', () => {
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|   const oldMrTabs = window.mrTabs;
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|   let store;
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|   let wrapper;
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|   let mock;
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| 
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|   function createComponent(props = {}, extendStore = () => {}, provisions = {}) {
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|     const provide = {
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|       ...provisions,
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|       glFeatures: {
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|         ...(provisions.glFeatures || {}),
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|       },
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|     };
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| 
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|     store = createDiffsStore();
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|     store.state.diffs.isLoading = false;
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|     store.state.diffs.isTreeLoaded = true;
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| 
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|     extendStore(store);
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| 
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|     wrapper = shallowMount(App, {
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|       propsData: {
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|         endpoint: TEST_ENDPOINT,
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|         endpointMetadata: `${TEST_HOST}/diff/endpointMetadata`,
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|         endpointBatch: `${TEST_HOST}/diff/endpointBatch`,
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|         endpointCoverage: `${TEST_HOST}/diff/endpointCoverage`,
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|         endpointCodequality: '',
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|         projectPath: 'namespace/project',
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|         currentUser: {},
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|         changesEmptyStateIllustration: '',
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|         dismissEndpoint: '',
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|         showSuggestPopover: true,
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|         fileByFileUserPreference: false,
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|         ...props,
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|       },
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|       provide,
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|       store,
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|       stubs: {
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|         DynamicScroller: {
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|           template: `<div><slot :item="$store.state.diffs.diffFiles[0]"></slot></div>`,
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|         },
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|         DynamicScrollerItem: true,
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|       },
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|     });
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|   }
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| 
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|   beforeEach(() => {
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|     // setup globals (needed for component to mount :/)
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|     window.mrTabs = {
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|       resetViewContainer: jest.fn(),
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|     };
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|     window.mrTabs.expandViewContainer = jest.fn();
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|     mock = new MockAdapter(axios);
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|     mock.onGet(TEST_ENDPOINT).reply(200, {});
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|   });
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| 
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|   afterEach(() => {
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|     // reset globals
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|     window.mrTabs = oldMrTabs;
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| 
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|     // reset component
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|     if (wrapper) {
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|       wrapper.destroy();
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|       wrapper = null;
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|     }
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| 
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|     mock.restore();
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|   });
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| 
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|   describe('fetch diff methods', () => {
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|     beforeEach(() => {
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|       const fetchResolver = () => {
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|         store.state.diffs.retrievingBatches = false;
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|         store.state.notes.discussions = 'test';
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|         return Promise.resolve({ real_size: 100 });
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|       };
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|       jest.spyOn(window, 'requestIdleCallback').mockImplementation((fn) => fn());
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|       createComponent();
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|       jest.spyOn(wrapper.vm, 'fetchDiffFilesMeta').mockImplementation(fetchResolver);
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|       jest.spyOn(wrapper.vm, 'fetchDiffFilesBatch').mockImplementation(fetchResolver);
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|       jest.spyOn(wrapper.vm, 'fetchCoverageFiles').mockImplementation(fetchResolver);
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|       jest.spyOn(wrapper.vm, 'setDiscussions').mockImplementation(() => {});
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|       jest.spyOn(wrapper.vm, 'unwatchDiscussions').mockImplementation(() => {});
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|       jest.spyOn(wrapper.vm, 'unwatchRetrievingBatches').mockImplementation(() => {});
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|       store.state.diffs.retrievingBatches = true;
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|       store.state.diffs.diffFiles = [];
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|       return nextTick();
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|     });
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| 
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|     it('calls batch methods if diffsBatchLoad is enabled, and not latest version', async () => {
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|       expect(wrapper.vm.diffFilesLength).toEqual(0);
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|       wrapper.vm.fetchData(false);
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| 
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|       await nextTick();
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| 
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|       expect(wrapper.vm.fetchDiffFilesMeta).toHaveBeenCalled();
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|       expect(wrapper.vm.fetchDiffFilesBatch).toHaveBeenCalled();
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|       expect(wrapper.vm.fetchCoverageFiles).toHaveBeenCalled();
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|       expect(wrapper.vm.unwatchDiscussions).toHaveBeenCalled();
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|       expect(wrapper.vm.diffFilesLength).toBe(100);
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|       expect(wrapper.vm.unwatchRetrievingBatches).toHaveBeenCalled();
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|     });
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| 
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|     it('calls batch methods if diffsBatchLoad is enabled, and latest version', async () => {
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|       expect(wrapper.vm.diffFilesLength).toEqual(0);
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|       wrapper.vm.fetchData(false);
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| 
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|       await nextTick();
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| 
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|       expect(wrapper.vm.fetchDiffFilesMeta).toHaveBeenCalled();
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|       expect(wrapper.vm.fetchDiffFilesBatch).toHaveBeenCalled();
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|       expect(wrapper.vm.fetchCoverageFiles).toHaveBeenCalled();
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|       expect(wrapper.vm.unwatchDiscussions).toHaveBeenCalled();
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|       expect(wrapper.vm.diffFilesLength).toBe(100);
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|       expect(wrapper.vm.unwatchRetrievingBatches).toHaveBeenCalled();
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|     });
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|   });
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| 
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|   describe('codequality diff', () => {
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|     it('does not fetch code quality data on FOSS', async () => {
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|       createComponent();
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|       jest.spyOn(wrapper.vm, 'fetchCodequality');
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|       wrapper.vm.fetchData(false);
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| 
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|       expect(wrapper.vm.fetchCodequality).not.toHaveBeenCalled();
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|     });
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|   });
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| 
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|   it('displays loading icon on loading', () => {
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|     createComponent({}, ({ state }) => {
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|       state.diffs.isLoading = true;
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|     });
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| 
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|     expect(wrapper.find(GlLoadingIcon).exists()).toBe(true);
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|   });
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| 
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|   it('displays loading icon on batch loading', () => {
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|     createComponent({}, ({ state }) => {
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|       state.diffs.batchLoadingState = 'loading';
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|     });
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| 
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|     expect(wrapper.find(GlLoadingIcon).exists()).toBe(true);
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|   });
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| 
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|   it('displays diffs container when not loading', () => {
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|     createComponent();
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| 
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|     expect(wrapper.find(GlLoadingIcon).exists()).toBe(false);
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|     expect(wrapper.find('#diffs').exists()).toBe(true);
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|   });
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| 
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|   it('does not show commit info', () => {
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|     createComponent();
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| 
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|     expect(wrapper.find('.blob-commit-info').exists()).toBe(false);
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|   });
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| 
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|   describe('row highlighting', () => {
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|     beforeEach(() => {
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|       window.location.hash = 'ABC_123';
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|     });
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| 
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|     it('sets highlighted row if hash exists in location object', async () => {
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|       createComponent({
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|         shouldShow: true,
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|       });
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| 
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|       // Component uses $nextTick so we wait until that has finished
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|       await nextTick();
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| 
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|       expect(store.state.diffs.highlightedRow).toBe('ABC_123');
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|     });
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| 
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|     it('marks current diff file based on currently highlighted row', async () => {
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|       createComponent({
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|         shouldShow: true,
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|       });
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| 
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|       // Component uses $nextTick so we wait until that has finished
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|       await nextTick();
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|       expect(store.state.diffs.currentDiffFileId).toBe('ABC');
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|     });
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|   });
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| 
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|   describe('resizable', () => {
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|     afterEach(() => {
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|       localStorage.removeItem('mr_tree_list_width');
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|     });
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| 
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|     it('sets initial width when no localStorage has been set', () => {
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|       createComponent();
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| 
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|       expect(wrapper.vm.treeWidth).toEqual(320);
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|     });
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| 
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|     it('sets initial width to localStorage size', () => {
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|       localStorage.setItem('mr_tree_list_width', '200');
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| 
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|       createComponent();
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| 
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|       expect(wrapper.vm.treeWidth).toEqual(200);
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|     });
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| 
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|     it('sets width of tree list', () => {
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|       createComponent({}, ({ state }) => {
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|         state.diffs.diffFiles = [{ file_hash: '111', file_path: '111.js' }];
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|       });
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| 
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|       expect(wrapper.find('.js-diff-tree-list').element.style.width).toEqual('320px');
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|     });
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|   });
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| 
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|   it('marks current diff file based on currently highlighted row', async () => {
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|     window.location.hash = 'ABC_123';
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| 
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|     createComponent({
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|       shouldShow: true,
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|     });
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| 
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|     // Component uses nextTick so we wait until that has finished
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|     await nextTick();
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| 
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|     expect(store.state.diffs.currentDiffFileId).toBe('ABC');
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|   });
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| 
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|   describe('empty state', () => {
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|     it('renders empty state when no diff files exist', () => {
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|       createComponent();
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| 
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|       expect(wrapper.find(NoChanges).exists()).toBe(true);
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|     });
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| 
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|     it('does not render empty state when diff files exist', () => {
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|       createComponent({}, ({ state }) => {
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|         state.diffs.diffFiles.push({
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|           id: 1,
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|         });
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|       });
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| 
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|       expect(wrapper.find(NoChanges).exists()).toBe(false);
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|       expect(wrapper.findAll(DiffFile).length).toBe(1);
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|     });
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|   });
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| 
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|   describe('keyboard shortcut navigation', () => {
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|     let spies = [];
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|     let moveSpy;
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|     let jumpSpy;
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| 
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|     function setup(componentProps) {
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|       createComponent(componentProps, ({ state }) => {
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|         state.diffs.commit = { id: 'SHA123' };
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|       });
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| 
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|       moveSpy = jest.spyOn(wrapper.vm, 'moveToNeighboringCommit').mockImplementation(() => {});
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|       jumpSpy = jest.spyOn(wrapper.vm, 'jumpToFile').mockImplementation(() => {});
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|       spies = [jumpSpy, moveSpy];
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|     }
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| 
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|     describe('visible app', () => {
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|       it.each`
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|         key    | name                         | spy  | args
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|         ${'['} | ${'jumpToFile'}              | ${0} | ${[-1]}
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|         ${'k'} | ${'jumpToFile'}              | ${0} | ${[-1]}
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|         ${']'} | ${'jumpToFile'}              | ${0} | ${[+1]}
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|         ${'j'} | ${'jumpToFile'}              | ${0} | ${[+1]}
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|         ${'x'} | ${'moveToNeighboringCommit'} | ${1} | ${[{ direction: 'previous' }]}
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|         ${'c'} | ${'moveToNeighboringCommit'} | ${1} | ${[{ direction: 'next' }]}
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|       `(
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|         'calls `$name()` with correct parameters whenever the "$key" key is pressed',
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|         async ({ key, spy, args }) => {
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|           setup({ shouldShow: true });
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| 
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|           await nextTick();
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|           expect(spies[spy]).not.toHaveBeenCalled();
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| 
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|           Mousetrap.trigger(key);
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| 
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|           expect(spies[spy]).toHaveBeenCalledWith(...args);
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|         },
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|       );
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| 
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|       it.each`
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|         key    | name                         | spy  | allowed
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|         ${'d'} | ${'jumpToFile'}              | ${0} | ${['[', ']', 'j', 'k']}
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|         ${'r'} | ${'moveToNeighboringCommit'} | ${1} | ${['x', 'c']}
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|       `(
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|         `does not call \`$name()\` when a key that is not one of \`$allowed\` is pressed`,
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|         async ({ key, spy }) => {
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|           setup({ shouldShow: true });
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| 
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|           await nextTick();
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|           Mousetrap.trigger(key);
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| 
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|           expect(spies[spy]).not.toHaveBeenCalled();
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|         },
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|       );
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|     });
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| 
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|     describe('hidden app', () => {
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|       beforeEach(async () => {
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|         setup({ shouldShow: false });
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| 
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|         await nextTick();
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|         Mousetrap.reset();
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|       });
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| 
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|       it.each`
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|         key    | name                         | spy
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|         ${'['} | ${'jumpToFile'}              | ${0}
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|         ${'k'} | ${'jumpToFile'}              | ${0}
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|         ${']'} | ${'jumpToFile'}              | ${0}
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|         ${'j'} | ${'jumpToFile'}              | ${0}
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|         ${'x'} | ${'moveToNeighboringCommit'} | ${1}
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|         ${'c'} | ${'moveToNeighboringCommit'} | ${1}
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|       `('stops calling `$name()` when the app is hidden', ({ key, spy }) => {
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|         Mousetrap.trigger(key);
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| 
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|         expect(spies[spy]).not.toHaveBeenCalled();
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|       });
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|     });
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|   });
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| 
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|   describe('jumpToFile', () => {
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|     let spy;
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| 
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|     beforeEach(() => {
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|       createComponent({}, () => {
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|         store.state.diffs.diffFiles = [
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|           { file_hash: '111', file_path: '111.js' },
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|           { file_hash: '222', file_path: '222.js' },
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|           { file_hash: '333', file_path: '333.js' },
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|         ];
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|       });
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|       spy = jest.spyOn(store, 'dispatch');
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|     });
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| 
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|     afterEach(() => {
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|       wrapper.destroy();
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|     });
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| 
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|     it('jumps to next and previous files in the list', async () => {
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|       await nextTick();
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| 
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|       wrapper.vm.jumpToFile(+1);
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| 
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|       expect(spy.mock.calls[spy.mock.calls.length - 1]).toEqual([
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|         'diffs/scrollToFile',
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|         { path: '222.js' },
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|       ]);
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|       store.state.diffs.currentDiffFileId = '222';
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|       wrapper.vm.jumpToFile(+1);
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| 
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|       expect(spy.mock.calls[spy.mock.calls.length - 1]).toEqual([
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|         'diffs/scrollToFile',
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|         { path: '333.js' },
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|       ]);
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|       store.state.diffs.currentDiffFileId = '333';
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|       wrapper.vm.jumpToFile(-1);
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| 
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|       expect(spy.mock.calls[spy.mock.calls.length - 1]).toEqual([
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|         'diffs/scrollToFile',
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|         { path: '222.js' },
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|       ]);
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|     });
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| 
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|     it('does not jump to previous file from the first one', async () => {
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|       await nextTick();
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|       store.state.diffs.currentDiffFileId = '333';
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| 
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|       expect(wrapper.vm.currentDiffIndex).toBe(2);
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| 
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|       wrapper.vm.jumpToFile(+1);
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| 
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|       expect(wrapper.vm.currentDiffIndex).toBe(2);
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|       expect(spy).not.toHaveBeenCalled();
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|     });
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| 
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|     it('does not jump to next file from the last one', async () => {
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|       await nextTick();
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|       expect(wrapper.vm.currentDiffIndex).toBe(0);
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| 
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|       wrapper.vm.jumpToFile(-1);
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| 
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|       expect(wrapper.vm.currentDiffIndex).toBe(0);
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|       expect(spy).not.toHaveBeenCalled();
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|     });
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|   });
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| 
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|   describe('commit watcher', () => {
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|     const spy = () => {
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|       jest.spyOn(wrapper.vm, 'refetchDiffData').mockImplementation(() => {});
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|       jest.spyOn(wrapper.vm, 'adjustView').mockImplementation(() => {});
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|     };
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| 
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|     beforeEach(() => {
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|       setWindowLocation(COMMIT_URL);
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|       document.title = 'My Title';
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|     });
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| 
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|     beforeEach(() => {
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|       jest.spyOn(urlUtils, 'updateHistory');
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|     });
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| 
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|     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 () => {
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|       createComponent({}, ({ state }) => {
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|         state.diffs.commit = { ...state.diffs.commit, id: 'OLD' };
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|       });
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|       spy();
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| 
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|       store.state.diffs.commit = { id: 'NEW' };
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| 
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|       await nextTick();
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|       expect(urlUtils.updateHistory).toHaveBeenCalledWith({
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|         title: document.title,
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|         url: UPDATED_COMMIT_URL,
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|       });
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|       expect(wrapper.vm.refetchDiffData).toHaveBeenCalled();
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|       expect(wrapper.vm.adjustView).toHaveBeenCalled();
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|     });
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| 
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|     it.each`
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|       isLoading | oldSha   | newSha
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|       ${true}   | ${'OLD'} | ${'NEW'}
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|       ${false}  | ${'NEW'} | ${'NEW'}
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|     `(
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|       'given `{ "isLoading": $isLoading, "oldSha": "$oldSha", "newSha": "$newSha" }`, nothing should happen',
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|       async ({ isLoading, oldSha, newSha }) => {
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|         createComponent({}, ({ state }) => {
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|           state.diffs.isLoading = isLoading;
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|           state.diffs.commit = { ...state.diffs.commit, id: oldSha };
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|         });
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|         spy();
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| 
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|         store.state.diffs.commit = { id: newSha };
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| 
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|         await nextTick();
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|         expect(urlUtils.updateHistory).not.toHaveBeenCalled();
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|         expect(wrapper.vm.refetchDiffData).not.toHaveBeenCalled();
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|         expect(wrapper.vm.adjustView).not.toHaveBeenCalled();
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|       },
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|     );
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|   });
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| 
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|   describe('diffs', () => {
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|     it('should render compare versions component', () => {
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|       createComponent({}, ({ state }) => {
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|         state.diffs.diffFiles = [{ file_hash: '111', file_path: '111.js' }];
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|         state.diffs.mergeRequestDiffs = diffsMockData;
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|         state.diffs.targetBranchName = 'target-branch';
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|         state.diffs.mergeRequestDiff = mergeRequestDiff;
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|       });
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| 
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|       expect(wrapper.find(CompareVersions).exists()).toBe(true);
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|       expect(wrapper.find(CompareVersions).props()).toEqual(
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|         expect.objectContaining({
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|           diffFilesCountText: null,
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|         }),
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|       );
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|     });
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| 
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|     describe('warnings', () => {
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|       describe('hidden files', () => {
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|         it('should render hidden files warning if render overflow warning is present', () => {
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|           createComponent({}, ({ state }) => {
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|             state.diffs.renderOverflowWarning = true;
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|             state.diffs.realSize = '5';
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|             state.diffs.plainDiffPath = 'plain diff path';
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|             state.diffs.emailPatchPath = 'email patch path';
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|             state.diffs.size = 1;
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|           });
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| 
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|           expect(wrapper.find(HiddenFilesWarning).exists()).toBe(true);
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|           expect(wrapper.find(HiddenFilesWarning).props()).toEqual(
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|             expect.objectContaining({
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|               total: '5',
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|               plainDiffPath: 'plain diff path',
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|               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.find(CommitWidget).exists()).toBe(true);
 | |
|     });
 | |
| 
 | |
|     it('should display diff file if there are diff files', () => {
 | |
|       createComponent({}, ({ state }) => {
 | |
|         state.diffs.diffFiles.push({ sha: '123' });
 | |
|       });
 | |
| 
 | |
|       expect(wrapper.find(DiffFile).exists()).toBe(true);
 | |
|     });
 | |
| 
 | |
|     it("doesn't render tree list when no changes exist", () => {
 | |
|       createComponent();
 | |
| 
 | |
|       expect(wrapper.find(TreeList).exists()).toBe(false);
 | |
|     });
 | |
| 
 | |
|     it('should render tree list', () => {
 | |
|       createComponent({}, ({ state }) => {
 | |
|         state.diffs.diffFiles = [{ file_hash: '111', file_path: '111.js' }];
 | |
|       });
 | |
| 
 | |
|       expect(wrapper.find(TreeList).exists()).toBe(true);
 | |
|     });
 | |
|   });
 | |
| 
 | |
|   describe('setTreeDisplay', () => {
 | |
|     afterEach(() => {
 | |
|       localStorage.removeItem('mr_tree_show');
 | |
|     });
 | |
| 
 | |
|     it('calls setShowTreeList when only 1 file', () => {
 | |
|       createComponent({}, ({ state }) => {
 | |
|         state.diffs.diffFiles.push({ sha: '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 diffs array', () => {
 | |
|       createComponent({}, ({ state }) => {
 | |
|         state.diffs.diffFiles.push({ sha: '123' });
 | |
|         state.diffs.diffFiles.push({ sha: '124' });
 | |
|       });
 | |
|       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.diffFiles.push({ 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.diffFiles.push({ file_hash: '123' });
 | |
|         state.diffs.diffFiles.push({ file_hash: '312' });
 | |
|       });
 | |
| 
 | |
|       await nextTick();
 | |
| 
 | |
|       expect(wrapper.findAll(DiffFile).length).toBe(1);
 | |
|     });
 | |
| 
 | |
|     describe('pagination', () => {
 | |
|       const fileByFileNav = () => wrapper.find('[data-testid="file-by-file-navigation"]');
 | |
|       const paginator = () => fileByFileNav().find(GlPagination);
 | |
| 
 | |
|       it('sets previous button as disabled', async () => {
 | |
|         createComponent({ fileByFileUserPreference: true }, ({ state }) => {
 | |
|           state.diffs.diffFiles.push({ file_hash: '123' }, { file_hash: '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.diffFiles.push({ file_hash: '123' }, { file_hash: '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.diffFiles.push({ file_hash: '123' });
 | |
|           state.diffs.currentDiffFileId = '123';
 | |
|         });
 | |
| 
 | |
|         await nextTick();
 | |
| 
 | |
|         expect(fileByFileNav().exists()).toBe(false);
 | |
|       });
 | |
| 
 | |
|       it.each`
 | |
|         currentDiffFileId | targetFile
 | |
|         ${'123'}          | ${2}
 | |
|         ${'312'}          | ${1}
 | |
|       `(
 | |
|         'it calls navigateToDiffFileIndex with $index when $link is clicked',
 | |
|         async ({ currentDiffFileId, targetFile }) => {
 | |
|           createComponent({ fileByFileUserPreference: true }, ({ state }) => {
 | |
|             state.diffs.diffFiles.push({ file_hash: '123' }, { file_hash: '312' });
 | |
|             state.diffs.currentDiffFileId = currentDiffFileId;
 | |
|           });
 | |
| 
 | |
|           await nextTick();
 | |
| 
 | |
|           jest.spyOn(wrapper.vm, 'navigateToDiffFileIndex');
 | |
| 
 | |
|           paginator().vm.$emit('input', targetFile);
 | |
| 
 | |
|           await nextTick();
 | |
| 
 | |
|           expect(wrapper.vm.navigateToDiffFileIndex).toHaveBeenCalledWith(targetFile - 1);
 | |
|         },
 | |
|       );
 | |
|     });
 | |
|   });
 | |
| });
 |