Merge branch 'himkp-jest-ide' into 'master'

Migrate all app/javascripts/ide specs to Jest

Closes #194238

See merge request gitlab-org/gitlab!32408

app/assets/javascripts/ide/stores/actions.js

@@ -297,6 +297,3 @@ export * from './actions/tree';
 export * from './actions/file';
 export * from './actions/project';
 export * from './actions/merge_request';
-
-// prevent babel-plugin-rewire from generating an invalid default during karma tests
-export default () => {};

app/assets/javascripts/ide/stores/getters.js

@@ -161,6 +161,3 @@ export const canCreateMergeRequests = (state, getters) =>
 
 export const canPushCode = (state, getters) =>
   Boolean(getters.findProjectPermissions(state.currentProjectId)[PERMISSION_PUSH_CODE]);
-
-// prevent babel-plugin-rewire from generating an invalid default during karma tests
-export default () => {};

app/assets/javascripts/ide/stores/modules/clientside/actions.js

@@ -8,5 +8,4 @@ export const pingUsage = ({ rootGetters }) => {
   return axios.post(url);
 };
 
-// prevent babel-plugin-rewire from generating an invalid default during karma tests
-export default () => {};
+export default pingUsage;

app/assets/javascripts/ide/stores/modules/commit/actions.js

@@ -234,6 +234,3 @@ export const commitChanges = ({ commit, state, getters, dispatch, rootState, roo
       window.dispatchEvent(new Event('resize'));
     });
 };
-
-// prevent babel-plugin-rewire from generating an invalid default during karma tests
-export default () => {};

app/assets/javascripts/ide/stores/modules/commit/getters.js

@@ -59,6 +59,3 @@ export const shouldDisableNewMrOption = (state, getters, rootState, rootGetters)
 
 export const shouldCreateMR = (state, getters) =>
   state.shouldCreateMR && !getters.shouldDisableNewMrOption;
-
-// prevent babel-plugin-rewire from generating an invalid default during karma tests
-export default () => {};

app/assets/javascripts/ide/stores/modules/file_templates/actions.js

@@ -117,6 +117,3 @@ export const undoFileTemplate = ({ dispatch, commit, rootGetters }) => {
     dispatch('discardFileChanges', file.path, { root: true });
   }
 };
-
-// prevent babel-plugin-rewire from generating an invalid default during karma tests
-export default () => {};

app/assets/javascripts/ide/stores/modules/pane/actions.js

@@ -25,6 +25,3 @@ export const open = ({ state, commit }, view) => {
 export const close = ({ commit }) => {
   commit(types.SET_OPEN, false);
 };
-
-// prevent babel-plugin-rewire from generating an invalid default during karma tests
-export default () => {};

spec/frontend/__mocks__/lodash/throttle.js

+// Similar to `lodash/debounce`, `lodash/throttle` also causes flaky specs.
+// See `./debounce.js` for more details.
+
+export default fn => fn;

spec/frontend/helpers/dom_shims/element_scroll_to.js

+Element.prototype.scrollTo = jest.fn().mockImplementation(function scrollTo(x, y) {
+  this.scrollLeft = x;
+  this.scrollTop = y;
+
+  this.dispatchEvent(new Event('scroll'));
+});

spec/frontend/helpers/dom_shims/index.js

 import './element_scroll_into_view';
 import './element_scroll_by';
+import './element_scroll_to';
 import './form_element';
 import './get_client_rects';
 import './inner_text';

spec/javascripts/ide/components/commit_sidebar/message_field_spec.js → spec/frontend/ide/components/commit_sidebar/message_field_spec.js

 import Vue from 'vue';
-import createComponent from 'spec/helpers/vue_mount_component_helper';
+import createComponent from 'helpers/vue_mount_component_helper';
 import CommitMessageField from '~/ide/components/commit_sidebar/message_field.vue';
 
 describe('IDE commit message field', () => {
@@ -54,7 +54,7 @@ describe('IDE commit message field', () => {
   });
 
   it('emits input event on input', () => {
-    spyOn(vm, '$emit');
+    jest.spyOn(vm, '$emit').mockImplementation();
 
     const textarea = vm.$el.querySelector('textarea');
     textarea.value = 'testing';
@@ -160,7 +160,7 @@ describe('IDE commit message field', () => {
         .then(() => {
           expect(vm.scrollTop).toBe(50);
           expect(vm.$el.querySelector('.highlights').style.transform).toBe(
-            'translate3d(0px, -50px, 0px)',
+            'translate3d(0, -50px, 0)',
           );
         })
         .then(done)

spec/javascripts/ide/components/jobs/detail_spec.js → spec/frontend/ide/components/jobs/detail_spec.js

@@ -3,44 +3,45 @@ import JobDetail from '~/ide/components/jobs/detail.vue';
 import { createStore } from '~/ide/stores';
 import { createComponentWithStore } from '../../../helpers/vue_mount_component_helper';
 import { jobs } from '../../mock_data';
+import { TEST_HOST } from 'helpers/test_constants';
 
 describe('IDE jobs detail view', () => {
-  const Component = Vue.extend(JobDetail);
   let vm;
 
-  beforeEach(() => {
+  const createComponent = () => {
     const store = createStore();
 
     store.state.pipelines.detailJob = {
       ...jobs[0],
       isLoading: true,
       output: 'testing',
-      rawPath: `${gl.TEST_HOST}/raw`,
+      rawPath: `${TEST_HOST}/raw`,
     };
 
-    vm = createComponentWithStore(Component, store);
-
-    spyOn(vm, 'fetchJobTrace').and.returnValue(Promise.resolve());
+    return createComponentWithStore(Vue.extend(JobDetail), store);
+  };
 
-    vm = vm.$mount();
+  beforeEach(() => {
+    vm = createComponent();
 
-    spyOn(vm.$refs.buildTrace, 'scrollTo');
+    jest.spyOn(vm, 'fetchJobTrace').mockResolvedValue();
   });
 
   afterEach(() => {
     vm.$destroy();
   });
 
-  it('calls fetchJobTrace on mount', () => {
+  describe('mounted', () => {
+    beforeEach(() => {
+      vm = vm.$mount();
+    });
+
+    it('calls fetchJobTrace', () => {
       expect(vm.fetchJobTrace).toHaveBeenCalled();
     });
 
-  it('scrolls to bottom on mount', done => {
-    setTimeout(() => {
+    it('scrolls to bottom', () => {
       expect(vm.$refs.buildTrace.scrollTo).toHaveBeenCalled();
-
-      done();
-    });
     });
 
     it('renders job output', () => {
@@ -78,7 +79,7 @@ describe('IDE jobs detail view', () => {
     });
 
     it('resets detailJob when clicking header button', () => {
-    spyOn(vm, 'setDetailJob');
+      jest.spyOn(vm, 'setDetailJob').mockImplementation();
 
       vm.$el.querySelector('.btn').click();
 
@@ -87,42 +88,48 @@ describe('IDE jobs detail view', () => {
 
     it('renders raw path link', () => {
       expect(vm.$el.querySelector('.controllers-buttons').getAttribute('href')).toBe(
-      `${gl.TEST_HOST}/raw`,
+        `${TEST_HOST}/raw`,
       );
     });
+  });
 
   describe('scroll buttons', () => {
-    it('triggers scrollDown when clicking down button', done => {
-      spyOn(vm, 'scrollDown');
-
-      vm.$el.querySelectorAll('.btn-scroll')[1].click();
-
-      vm.$nextTick(() => {
-        expect(vm.scrollDown).toHaveBeenCalled();
-
-        done();
+    beforeEach(() => {
+      vm = createComponent();
+      jest.spyOn(vm, 'fetchJobTrace').mockResolvedValue();
     });
+
+    afterEach(() => {
+      vm.$destroy();
     });
 
-    it('triggers scrollUp when clicking up button', done => {
-      spyOn(vm, 'scrollUp');
+    it.each`
+      fnName          | btnName   | scrollPos
+      ${'scrollDown'} | ${'down'} | ${0}
+      ${'scrollUp'}   | ${'up'}   | ${1}
+    `('triggers $fnName when clicking $btnName button', ({ fnName, scrollPos }) => {
+      jest.spyOn(vm, fnName).mockImplementation();
 
-      vm.scrollPos = 1;
+      vm = vm.$mount();
+
+      vm.scrollPos = scrollPos;
 
-      vm.$nextTick()
-        .then(() => vm.$el.querySelector('.btn-scroll').click())
-        .then(() => vm.$nextTick())
-        .then(() => {
-          expect(vm.scrollUp).toHaveBeenCalled();
-        })
-        .then(done)
-        .catch(done.fail);
+      return vm.$nextTick().then(() => {
+        vm.$el.querySelector('.btn-scroll:not([disabled])').click();
+        expect(vm[fnName]).toHaveBeenCalled();
+      });
     });
   });
 
   describe('scrollDown', () => {
+    beforeEach(() => {
+      vm = vm.$mount();
+
+      jest.spyOn(vm.$refs.buildTrace, 'scrollTo').mockImplementation();
+    });
+
     it('scrolls build trace to bottom', () => {
-      spyOnProperty(vm.$refs.buildTrace, 'scrollHeight').and.returnValue(1000);
+      jest.spyOn(vm.$refs.buildTrace, 'scrollHeight', 'get').mockReturnValue(1000);
 
       vm.scrollDown();
 
@@ -131,6 +138,12 @@ describe('IDE jobs detail view', () => {
   });
 
   describe('scrollUp', () => {
+    beforeEach(() => {
+      vm = vm.$mount();
+
+      jest.spyOn(vm.$refs.buildTrace, 'scrollTo').mockImplementation();
+    });
+
     it('scrolls build trace to top', () => {
       vm.scrollUp();
 
@@ -140,45 +153,35 @@ describe('IDE jobs detail view', () => {
 
   describe('scrollBuildLog', () => {
     beforeEach(() => {
-      spyOnProperty(vm.$refs.buildTrace, 'offsetHeight').and.returnValue(100);
-      spyOnProperty(vm.$refs.buildTrace, 'scrollHeight').and.returnValue(200);
+      vm = vm.$mount();
+      jest.spyOn(vm.$refs.buildTrace, 'scrollTo').mockImplementation();
+      jest.spyOn(vm.$refs.buildTrace, 'offsetHeight', 'get').mockReturnValue(100);
+      jest.spyOn(vm.$refs.buildTrace, 'scrollHeight', 'get').mockReturnValue(200);
     });
 
-    it('sets scrollPos to bottom when at the bottom', done => {
-      spyOnProperty(vm.$refs.buildTrace, 'scrollTop').and.returnValue(100);
+    it('sets scrollPos to bottom when at the bottom', () => {
+      jest.spyOn(vm.$refs.buildTrace, 'scrollTop', 'get').mockReturnValue(100);
 
       vm.scrollBuildLog();
 
-      setTimeout(() => {
       expect(vm.scrollPos).toBe(1);
-
-        done();
-      });
     });
 
-    it('sets scrollPos to top when at the top', done => {
-      spyOnProperty(vm.$refs.buildTrace, 'scrollTop').and.returnValue(0);
+    it('sets scrollPos to top when at the top', () => {
+      jest.spyOn(vm.$refs.buildTrace, 'scrollTop', 'get').mockReturnValue(0);
       vm.scrollPos = 1;
 
       vm.scrollBuildLog();
 
-      setTimeout(() => {
       expect(vm.scrollPos).toBe(0);
-
-        done();
-      });
     });
 
-    it('resets scrollPos when not at top or bottom', done => {
-      spyOnProperty(vm.$refs.buildTrace, 'scrollTop').and.returnValue(10);
+    it('resets scrollPos when not at top or bottom', () => {
+      jest.spyOn(vm.$refs.buildTrace, 'scrollTop', 'get').mockReturnValue(10);
 
       vm.scrollBuildLog();
 
-      setTimeout(() => {
       expect(vm.scrollPos).toBe('');
-
-        done();
-      });
     });
   });
 });

spec/frontend/ide/components/pipelines/list_spec.js

@@ -6,7 +6,7 @@ import List from '~/ide/components/pipelines/list.vue';
 import JobsList from '~/ide/components/jobs/list.vue';
 import Tab from '~/vue_shared/components/tabs/tab.vue';
 import CiIcon from '~/vue_shared/components/ci_icon.vue';
-import { pipelines } from '../../../../javascripts/ide/mock_data';
+import { pipelines } from 'jest/ide/mock_data';
 import IDEServices from '~/ide/services';
 
 const localVue = createLocalVue();

spec/javascripts/ide/components/repo_editor_spec.js → spec/frontend/ide/components/repo_editor_spec.js

@@ -7,13 +7,13 @@ import repoEditor from '~/ide/components/repo_editor.vue';
 import Editor from '~/ide/lib/editor';
 import { leftSidebarViews, FILE_VIEW_MODE_EDITOR, FILE_VIEW_MODE_PREVIEW } from '~/ide/constants';
 import { createComponentWithStore } from '../../helpers/vue_mount_component_helper';
-import setTimeoutPromise from '../../helpers/set_timeout_promise_helper';
+import waitForPromises from 'helpers/wait_for_promises';
 import { file, resetStore } from '../helpers';
 
 describe('RepoEditor', () => {
   let vm;
 
-  beforeEach(done => {
+  beforeEach(() => {
     const f = {
       ...file(),
       viewMode: FILE_VIEW_MODE_EDITOR,
@@ -45,12 +45,12 @@ describe('RepoEditor', () => {
 
     Vue.set(vm.$store.state.entries, f.path, f);
 
-    spyOn(vm, 'getFileData').and.returnValue(Promise.resolve());
-    spyOn(vm, 'getRawFileData').and.returnValue(Promise.resolve());
+    jest.spyOn(vm, 'getFileData').mockResolvedValue();
+    jest.spyOn(vm, 'getRawFileData').mockResolvedValue();
 
     vm.$mount();
 
-    Vue.nextTick(() => setTimeout(done));
+    return vm.$nextTick();
   });
 
   afterEach(() => {
@@ -161,7 +161,7 @@ describe('RepoEditor', () => {
         .then(() => {
           vm.$el.querySelectorAll('.ide-mode-tabs .nav-links a')[1].click();
         })
-        .then(setTimeoutPromise)
+        .then(waitForPromises)
         .then(() => {
           expect(vm.$el.querySelector('.preview-container').innerHTML).toContain(
             '<p>testing 123</p>',
@@ -186,7 +186,7 @@ describe('RepoEditor', () => {
 
   describe('createEditorInstance', () => {
     it('calls createInstance when viewer is editor', done => {
-      spyOn(vm.editor, 'createInstance');
+      jest.spyOn(vm.editor, 'createInstance').mockImplementation();
 
       vm.createEditorInstance();
 
@@ -200,7 +200,7 @@ describe('RepoEditor', () => {
     it('calls createDiffInstance when viewer is diff', done => {
       vm.$store.state.viewer = 'diff';
 
-      spyOn(vm.editor, 'createDiffInstance');
+      jest.spyOn(vm.editor, 'createDiffInstance').mockImplementation();
 
       vm.createEditorInstance();
 
@@ -214,7 +214,7 @@ describe('RepoEditor', () => {
     it('calls createDiffInstance when viewer is a merge request diff', done => {
       vm.$store.state.viewer = 'mrdiff';
 
-      spyOn(vm.editor, 'createDiffInstance');
+      jest.spyOn(vm.editor, 'createDiffInstance').mockImplementation();
 
       vm.createEditorInstance();
 
@@ -228,7 +228,7 @@ describe('RepoEditor', () => {
 
   describe('setupEditor', () => {
     it('creates new model', () => {
-      spyOn(vm.editor, 'createModel').and.callThrough();
+      jest.spyOn(vm.editor, 'createModel');
 
       Editor.editorInstance.modelManager.dispose();
 
@@ -239,7 +239,7 @@ describe('RepoEditor', () => {
     });
 
     it('attaches model to editor', () => {
-      spyOn(vm.editor, 'attachModel').and.callThrough();
+      jest.spyOn(vm.editor, 'attachModel');
 
       Editor.editorInstance.modelManager.dispose();
 
@@ -251,7 +251,7 @@ describe('RepoEditor', () => {
     it('attaches model to merge request editor', () => {
       vm.$store.state.viewer = 'mrdiff';
       vm.file.mrChange = true;
-      spyOn(vm.editor, 'attachMergeRequestModel');
+      jest.spyOn(vm.editor, 'attachMergeRequestModel').mockImplementation();
 
       Editor.editorInstance.modelManager.dispose();
 
@@ -263,7 +263,7 @@ describe('RepoEditor', () => {
     it('does not attach model to merge request editor when not a MR change', () => {
       vm.$store.state.viewer = 'mrdiff';
       vm.file.mrChange = false;
-      spyOn(vm.editor, 'attachMergeRequestModel');
+      jest.spyOn(vm.editor, 'attachMergeRequestModel').mockImplementation();
 
       Editor.editorInstance.modelManager.dispose();
 
@@ -273,7 +273,7 @@ describe('RepoEditor', () => {
     });
 
     it('adds callback methods', () => {
-      spyOn(vm.editor, 'onPositionChange').and.callThrough();
+      jest.spyOn(vm.editor, 'onPositionChange');
 
       Editor.editorInstance.modelManager.dispose();
 
@@ -286,7 +286,7 @@ describe('RepoEditor', () => {
     it('updates state when model content changed', done => {
       vm.model.setValue('testing 123\n');
 
-      setTimeout(() => {
+      setImmediate(() => {
         expect(vm.file.content).toBe('testing 123\n');
 
         done();
@@ -294,7 +294,7 @@ describe('RepoEditor', () => {
     });
 
     it('sets head model as staged file', () => {
-      spyOn(vm.editor, 'createModel').and.callThrough();
+      jest.spyOn(vm.editor, 'createModel');
 
       Editor.editorInstance.modelManager.dispose();
 
@@ -310,8 +310,8 @@ describe('RepoEditor', () => {
 
   describe('editor updateDimensions', () => {
     beforeEach(() => {
-      spyOn(vm.editor, 'updateDimensions').and.callThrough();
-      spyOn(vm.editor, 'updateDiffView');
+      jest.spyOn(vm.editor, 'updateDimensions');
+      jest.spyOn(vm.editor, 'updateDiffView').mockImplementation();
     });
 
     it('calls updateDimensions when panelResizing is false', done => {
@@ -381,7 +381,7 @@ describe('RepoEditor', () => {
 
   describe('when files view mode is preview', () => {
     beforeEach(done => {
-      spyOn(vm.editor, 'updateDimensions');
+      jest.spyOn(vm.editor, 'updateDimensions').mockImplementation();
       vm.file.viewMode = FILE_VIEW_MODE_PREVIEW;
       vm.$nextTick(done);
     });
@@ -392,28 +392,21 @@ describe('RepoEditor', () => {
     });
 
     describe('when file view mode changes to editor', () => {
-      beforeEach(done => {
+      it('should update dimensions', () => {
         vm.file.viewMode = FILE_VIEW_MODE_EDITOR;
 
-        // one tick to trigger watch
-        vm.$nextTick()
-          // another tick needed until we can update dimensions
-          .then(() => vm.$nextTick())
-          .then(done)
-          .catch(done.fail);
-      });
-
-      it('should update dimensions', () => {
+        return vm.$nextTick().then(() => {
           expect(vm.editor.updateDimensions).toHaveBeenCalled();
         });
       });
     });
+  });
 
   describe('initEditor', () => {
     beforeEach(() => {
       vm.file.tempFile = false;
-      spyOn(vm.editor, 'createInstance');
-      spyOnProperty(vm, 'shouldHideEditor').and.returnValue(true);
+      jest.spyOn(vm.editor, 'createInstance').mockImplementation();
+      jest.spyOn(vm, 'shouldHideEditor', 'get').mockReturnValue(true);
     });
 
     it('does not fetch file information for temp entries', done => {
@@ -459,12 +452,12 @@ describe('RepoEditor', () => {
 
   describe('updates on file changes', () => {
     beforeEach(() => {
-      spyOn(vm, 'initEditor');
+      jest.spyOn(vm, 'initEditor').mockImplementation();
     });
 
     it('calls removePendingTab when old file is pending', done => {
-      spyOnProperty(vm, 'shouldHideEditor').and.returnValue(true);
-      spyOn(vm, 'removePendingTab');
+      jest.spyOn(vm, 'shouldHideEditor', 'get').mockReturnValue(true);
+      jest.spyOn(vm, 'removePendingTab').mockImplementation();
 
       vm.file.pending = true;
 

spec/javascripts/ide/stores/actions/merge_request_spec.js → spec/frontend/ide/stores/actions/merge_request_spec.js

 import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
 import store from '~/ide/stores';
-import actions, {
+import createFlash from '~/flash';
+import {
   getMergeRequestData,
   getMergeRequestChanges,
   getMergeRequestVersions,
@@ -14,6 +15,8 @@ import { resetStore } from '../../helpers';
 const TEST_PROJECT = 'abcproject';
 const TEST_PROJECT_ID = 17;
 
+jest.mock('~/flash');
+
 describe('IDE store merge request actions', () => {
   let mock;
 
@@ -41,7 +44,7 @@ describe('IDE store merge request actions', () => {
 
       describe('base case', () => {
         beforeEach(() => {
-          spyOn(service, 'getProjectMergeRequests').and.callThrough();
+          jest.spyOn(service, 'getProjectMergeRequests');
           mock.onGet(/api\/(.*)\/projects\/abcproject\/merge_requests/).reply(200, mockData);
         });
 
@@ -66,7 +69,7 @@ describe('IDE store merge request actions', () => {
             .dispatch('getMergeRequestsForBranch', { projectId: TEST_PROJECT, branchId: 'bar' })
             .then(() => {
               expect(store.state.projects.abcproject.mergeRequests).toEqual({
-                '2': jasmine.objectContaining(mrData),
+                '2': expect.objectContaining(mrData),
               });
               done();
             })
@@ -99,7 +102,7 @@ describe('IDE store merge request actions', () => {
 
       describe('no merge requests for branch available case', () => {
         beforeEach(() => {
-          spyOn(service, 'getProjectMergeRequests').and.callThrough();
+          jest.spyOn(service, 'getProjectMergeRequests');
           mock.onGet(/api\/(.*)\/projects\/abcproject\/merge_requests/).reply(200, []);
         });
 
@@ -122,16 +125,11 @@ describe('IDE store merge request actions', () => {
       });
 
       it('flashes message, if error', done => {
-        const flashSpy = spyOnDependency(actions, 'flash');
-
         store
           .dispatch('getMergeRequestsForBranch', { projectId: TEST_PROJECT, branchId: 'bar' })
-          .then(() => {
-            fail('Expected getMergeRequestsForBranch to throw an error');
-          })
           .catch(() => {
-            expect(flashSpy).toHaveBeenCalled();
-            expect(flashSpy.calls.argsFor(0)[0]).toEqual('Error fetching merge requests for bar');
+            expect(createFlash).toHaveBeenCalled();
+            expect(createFlash.mock.calls[0][0]).toBe('Error fetching merge requests for bar');
           })
           .then(done)
           .catch(done.fail);
@@ -142,7 +140,7 @@ describe('IDE store merge request actions', () => {
   describe('getMergeRequestData', () => {
     describe('success', () => {
       beforeEach(() => {
-        spyOn(service, 'getProjectMergeRequestData').and.callThrough();
+        jest.spyOn(service, 'getProjectMergeRequestData');
 
         mock
           .onGet(/api\/(.*)\/projects\/abcproject\/merge_requests\/1/)
@@ -181,7 +179,7 @@ describe('IDE store merge request actions', () => {
       });
 
       it('dispatches error action', done => {
-        const dispatch = jasmine.createSpy('dispatch');
+        const dispatch = jest.fn();
 
         getMergeRequestData(
           {
@@ -195,7 +193,7 @@ describe('IDE store merge request actions', () => {
           .catch(() => {
             expect(dispatch).toHaveBeenCalledWith('setErrorMessage', {
               text: 'An error occurred while loading the merge request.',
-              action: jasmine.any(Function),
+              action: expect.any(Function),
               actionText: 'Please try again',
               actionPayload: {
                 projectId: TEST_PROJECT,
@@ -217,7 +215,7 @@ describe('IDE store merge request actions', () => {
 
     describe('success', () => {
       beforeEach(() => {
-        spyOn(service, 'getProjectMergeRequestChanges').and.callThrough();
+        jest.spyOn(service, 'getProjectMergeRequestChanges');
 
         mock
           .onGet(/api\/(.*)\/projects\/abcproject\/merge_requests\/1\/changes/)
@@ -254,7 +252,7 @@ describe('IDE store merge request actions', () => {
       });
 
       it('dispatches error action', done => {
-        const dispatch = jasmine.createSpy('dispatch');
+        const dispatch = jest.fn();
 
         getMergeRequestChanges(
           {
@@ -268,7 +266,7 @@ describe('IDE store merge request actions', () => {
           .catch(() => {
             expect(dispatch).toHaveBeenCalledWith('setErrorMessage', {
               text: 'An error occurred while loading the merge request changes.',
-              action: jasmine.any(Function),
+              action: expect.any(Function),
               actionText: 'Please try again',
               actionPayload: {
                 projectId: TEST_PROJECT,
@@ -293,7 +291,7 @@ describe('IDE store merge request actions', () => {
         mock
           .onGet(/api\/(.*)\/projects\/abcproject\/merge_requests\/1\/versions/)
           .reply(200, [{ id: 789 }]);
-        spyOn(service, 'getProjectMergeRequestVersions').and.callThrough();
+        jest.spyOn(service, 'getProjectMergeRequestVersions');
       });
 
       it('calls getProjectMergeRequestVersions service method', done => {
@@ -324,7 +322,7 @@ describe('IDE store merge request actions', () => {
       });
 
       it('dispatches error action', done => {
-        const dispatch = jasmine.createSpy('dispatch');
+        const dispatch = jest.fn();
 
         getMergeRequestVersions(
           {
@@ -338,7 +336,7 @@ describe('IDE store merge request actions', () => {
           .catch(() => {
             expect(dispatch).toHaveBeenCalledWith('setErrorMessage', {
               text: 'An error occurred while loading the merge request version data.',
-              action: jasmine.any(Function),
+              action: expect.any(Function),
               actionText: 'Please try again',
               actionPayload: {
                 projectId: TEST_PROJECT,
@@ -400,7 +398,7 @@ describe('IDE store merge request actions', () => {
 
       const originalDispatch = store.dispatch;
 
-      spyOn(store, 'dispatch').and.callFake((type, payload) => {
+      jest.spyOn(store, 'dispatch').mockImplementation((type, payload) => {
         switch (type) {
           case 'getMergeRequestData':
             return Promise.resolve(testMergeRequest);
@@ -415,7 +413,7 @@ describe('IDE store merge request actions', () => {
             return originalDispatch(type, payload);
         }
       });
-      spyOn(service, 'getFileData').and.callFake(() =>
+      jest.spyOn(service, 'getFileData').mockImplementation(() =>
         Promise.resolve({
           headers: {},
         }),
@@ -425,7 +423,7 @@ describe('IDE store merge request actions', () => {
     it('dispatches actions for merge request data', done => {
       openMergeRequest({ state: store.state, dispatch: store.dispatch, getters: mockGetters }, mr)
         .then(() => {
-          expect(store.dispatch.calls.allArgs()).toEqual([
+          expect(store.dispatch.mock.calls).toEqual([
             ['getMergeRequestData', mr],
             ['setCurrentBranchId', testMergeRequest.source_branch],
             [
@@ -493,15 +491,11 @@ describe('IDE store merge request actions', () => {
     });
 
     it('flashes message, if error', done => {
-      const flashSpy = spyOnDependency(actions, 'flash');
-      store.dispatch.and.returnValue(Promise.reject());
+      store.dispatch.mockRejectedValue();
 
       openMergeRequest(store, mr)
-        .then(() => {
-          fail('Expected openMergeRequest to throw an error');
-        })
         .catch(() => {
-          expect(flashSpy).toHaveBeenCalledWith(jasmine.any(String));
+          expect(createFlash).toHaveBeenCalledWith(expect.any(String));
         })
         .then(done)
         .catch(done.fail);

spec/javascripts/ide/stores/actions/project_spec.js → spec/frontend/ide/stores/actions/project_spec.js

 import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
+import { createStore } from '~/ide/stores';
+import router from '~/ide/ide_router';
 import {
   refreshLastCommitData,
   showBranchNotFoundError,
@@ -9,10 +11,8 @@ import {
   loadFile,
   loadBranch,
 } from '~/ide/stores/actions';
-import { createStore } from '~/ide/stores';
 import service from '~/ide/services';
 import api from '~/api';
-import router from '~/ide/ide_router';
 import { resetStore } from '../../helpers';
 import testAction from '../../../helpers/vuex_action_helper';
 
@@ -49,13 +49,11 @@ describe('IDE store project actions', () => {
           },
         },
       };
-      spyOn(service, 'getBranchData').and.returnValue(
-        Promise.resolve({
+      jest.spyOn(service, 'getBranchData').mockResolvedValue({
         data: {
           commit: { id: '123' },
         },
-        }),
-      );
+      });
     });
 
     it('calls the service', done => {
@@ -110,7 +108,7 @@ describe('IDE store project actions', () => {
             type: 'setErrorMessage',
             payload: {
               text: "Branch <strong>master</strong> was not found in this project's repository.",
-              action: jasmine.any(Function),
+              action: expect.any(Function),
               actionText: 'Create branch',
               actionPayload: 'master',
             },
@@ -122,10 +120,12 @@ describe('IDE store project actions', () => {
   });
 
   describe('createNewBranchFromDefault', () => {
-    it('calls API', done => {
-      spyOn(api, 'createBranch').and.returnValue(Promise.resolve());
-      spyOn(router, 'push');
+    beforeEach(() => {
+      jest.spyOn(api, 'createBranch').mockResolvedValue();
+      jest.spyOn(router, 'push').mockImplementation();
+    });
 
+    it('calls API', done => {
       createNewBranchFromDefault(
         {
           state: {
@@ -151,9 +151,7 @@ describe('IDE store project actions', () => {
     });
 
     it('clears error message', done => {
-      const dispatchSpy = jasmine.createSpy('dispatch');
-      spyOn(api, 'createBranch').and.returnValue(Promise.resolve());
-      spyOn(router, 'push');
+      const dispatchSpy = jest.fn().mockName('dispatch');
 
       createNewBranchFromDefault(
         {
@@ -177,9 +175,6 @@ describe('IDE store project actions', () => {
     });
 
     it('reloads window', done => {
-      spyOn(api, 'createBranch').and.returnValue(Promise.resolve());
-      spyOn(router, 'push');
-
       createNewBranchFromDefault(
         {
           state: {
@@ -215,7 +210,7 @@ describe('IDE store project actions', () => {
             payload: { entry: store.state.trees[`${TEST_PROJECT_ID}/master`], forceValue: false },
           },
         ],
-        jasmine.any(Object),
+        expect.any(Object),
         done,
       );
     });
@@ -243,7 +238,7 @@ describe('IDE store project actions', () => {
           'foo/bar': { pending: false },
         },
       });
-      spyOn(store, 'dispatch');
+      jest.spyOn(store, 'dispatch').mockImplementation();
     });
 
     it('does nothing, if basePath is not given', () => {
@@ -264,15 +259,15 @@ describe('IDE store project actions', () => {
     it('does not handle tree entry action, if entry is pending', () => {
       loadFile(store, { basePath: 'foo/bar-pending/' });
 
-      expect(store.dispatch).not.toHaveBeenCalledWith('handleTreeEntryAction', jasmine.anything());
+      expect(store.dispatch).not.toHaveBeenCalledWith('handleTreeEntryAction', expect.anything());
     });
 
     it('creates a new temp file supplied via URL if the file does not exist yet', () => {
       loadFile(store, { basePath: 'not-existent.md' });
 
-      expect(store.dispatch.calls.count()).toBe(1);
+      expect(store.dispatch.mock.calls).toHaveLength(1);
 
-      expect(store.dispatch).not.toHaveBeenCalledWith('handleTreeEntryAction', jasmine.anything());
+      expect(store.dispatch).not.toHaveBeenCalledWith('handleTreeEntryAction', expect.anything());
 
       expect(store.dispatch).toHaveBeenCalledWith('createTempEntry', {
         name: 'not-existent.md',
@@ -307,14 +302,14 @@ describe('IDE store project actions', () => {
 
     it('fetches branch data', done => {
       const mockGetters = { findBranch: () => ({ commit: { id: ref } }) };
-      spyOn(store, 'dispatch').and.returnValue(Promise.resolve());
+      jest.spyOn(store, 'dispatch').mockResolvedValue();
 
       loadBranch(
         { getters: mockGetters, state: store.state, dispatch: store.dispatch },
         { projectId, branchId },
       )
         .then(() => {
-          expect(store.dispatch.calls.allArgs()).toEqual([
+          expect(store.dispatch.mock.calls).toEqual([
             ['getBranchData', { projectId, branchId }],
             ['getMergeRequestsForBranch', { projectId, branchId }],
             ['getFiles', { projectId, branchId, ref }],
@@ -325,12 +320,12 @@ describe('IDE store project actions', () => {
     });
 
     it('shows an error if branch can not be fetched', done => {
-      spyOn(store, 'dispatch').and.returnValue(Promise.reject());
+      jest.spyOn(store, 'dispatch').mockReturnValue(Promise.reject());
 
       loadBranch(store, { projectId, branchId })
         .then(done.fail)
         .catch(() => {
-          expect(store.dispatch.calls.allArgs()).toEqual([
+          expect(store.dispatch.mock.calls).toEqual([
             ['getBranchData', { projectId, branchId }],
             ['showBranchNotFoundError', branchId],
           ]);
@@ -360,13 +355,13 @@ describe('IDE store project actions', () => {
 
     describe('existing branch', () => {
       beforeEach(() => {
-        spyOn(store, 'dispatch').and.returnValue(Promise.resolve());
+        jest.spyOn(store, 'dispatch').mockResolvedValue();
       });
 
       it('dispatches branch actions', done => {
         openBranch(store, branch)
           .then(() => {
-            expect(store.dispatch.calls.allArgs()).toEqual([
+            expect(store.dispatch.mock.calls).toEqual([
               ['setCurrentBranchId', branchId],
               ['loadBranch', { projectId, branchId }],
               ['loadFile', { basePath: undefined }],
@@ -379,13 +374,13 @@ describe('IDE store project actions', () => {
 
     describe('non-existent branch', () => {
       beforeEach(() => {
-        spyOn(store, 'dispatch').and.returnValue(Promise.reject());
+        jest.spyOn(store, 'dispatch').mockReturnValue(Promise.reject());
       });
 
       it('dispatches correct branch actions', done => {
         openBranch(store, branch)
           .then(val => {
-            expect(store.dispatch.calls.allArgs()).toEqual([
+            expect(store.dispatch.mock.calls).toEqual([
               ['setCurrentBranchId', branchId],
               ['loadBranch', { projectId, branchId }],
             ]);

spec/javascripts/ide/stores/actions/tree_spec.js → spec/frontend/ide/stores/actions/tree_spec.js

 import MockAdapter from 'axios-mock-adapter';
-import testAction from 'spec/helpers/vuex_action_helper';
+import testAction from 'helpers/vuex_action_helper';
 import { showTreeEntry, getFiles, setDirectoryData } from '~/ide/stores/actions/tree';
 import * as types from '~/ide/stores/mutation_types';
 import axios from '~/lib/utils/axios_utils';
@@ -21,8 +21,7 @@ describe('Multi-file store tree actions', () => {
   };
 
   beforeEach(() => {
-    jasmine.clock().install();
-    spyOn(router, 'push');
+    jest.spyOn(router, 'push').mockImplementation();
 
     mock = new MockAdapter(axios);
 
@@ -35,7 +34,6 @@ describe('Multi-file store tree actions', () => {
   });
 
   afterEach(() => {
-    jasmine.clock().uninstall();
     mock.restore();
     resetStore(store);
   });
@@ -43,7 +41,7 @@ describe('Multi-file store tree actions', () => {
   describe('getFiles', () => {
     describe('success', () => {
       beforeEach(() => {
-        spyOn(service, 'getFiles').and.callThrough();
+        jest.spyOn(service, 'getFiles');
 
         mock
           .onGet(/(.*)/)
@@ -54,15 +52,16 @@ describe('Multi-file store tree actions', () => {
           ]);
       });
 
-      it('calls service getFiles', done => {
+      it('calls service getFiles', () => {
+        return (
           store
             .dispatch('getFiles', basicCallParameters)
+            // getFiles actions calls lodash.defer
+            .then(() => jest.runOnlyPendingTimers())
             .then(() => {
               expect(service.getFiles).toHaveBeenCalledWith('foo/abcproject', '12345678');
-
-            done();
             })
-          .catch(done.fail);
+        );
       });
 
       it('adds data into tree', done => {
@@ -71,7 +70,7 @@ describe('Multi-file store tree actions', () => {
           .then(() => {
             // The populating of the tree is deferred for performance reasons.
             // See this merge request for details: https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/25700
-            jasmine.clock().tick(1);
+            jest.advanceTimersByTime(1);
           })
           .then(() => {
             projectTree = store.state.trees['abcproject/master'];
@@ -91,7 +90,7 @@ describe('Multi-file store tree actions', () => {
 
     describe('error', () => {
       it('dispatches error action', done => {
-        const dispatch = jasmine.createSpy('dispatchSpy');
+        const dispatch = jest.fn();
 
         store.state.projects = {
           'abc/def': {
@@ -127,7 +126,7 @@ describe('Multi-file store tree actions', () => {
           .catch(() => {
             expect(dispatch).toHaveBeenCalledWith('setErrorMessage', {
               text: 'An error occurred while loading all the files.',
-              action: jasmine.any(Function),
+              action: expect.any(Function),
               actionText: 'Please try again',
               actionPayload: { projectId: 'abc/def', branchId: 'master-testing' },
             });

spec/javascripts/ide/stores/actions_spec.js → spec/frontend/ide/stores/actions_spec.js

 import MockAdapter from 'axios-mock-adapter';
-import actions, {
+import { visitUrl } from '~/lib/utils/url_utility';
+import { createStore } from '~/ide/stores';
+import router from '~/ide/ide_router';
+import {
   stageAllChanges,
   unstageAllChanges,
   toggleFileFinder,
@@ -15,28 +18,29 @@ import actions, {
   discardAllChanges,
 } from '~/ide/stores/actions';
 import axios from '~/lib/utils/axios_utils';
-import { createStore } from '~/ide/stores';
 import * as types from '~/ide/stores/mutation_types';
-import router from '~/ide/ide_router';
 import { file } from '../helpers';
 import testAction from '../../helpers/vuex_action_helper';
 import eventHub from '~/ide/eventhub';
 
+jest.mock('~/lib/utils/url_utility', () => ({
+  visitUrl: jest.fn(),
+  joinPaths: jest.requireActual('~/lib/utils/url_utility').joinPaths,
+}));
+
 describe('Multi-file store actions', () => {
   let store;
 
   beforeEach(() => {
     store = createStore();
 
-    spyOn(store, 'commit').and.callThrough();
-    spyOn(store, 'dispatch').and.callThrough();
-    spyOn(router, 'push');
+    jest.spyOn(store, 'commit');
+    jest.spyOn(store, 'dispatch');
+    jest.spyOn(router, 'push').mockImplementation();
   });
 
   describe('redirectToUrl', () => {
     it('calls visitUrl', done => {
-      const visitUrl = spyOnDependency(actions, 'visitUrl');
-
       store
         .dispatch('redirectToUrl', 'test')
         .then(() => {
@@ -79,7 +83,7 @@ describe('Multi-file store actions', () => {
 
       discardAllChanges(store);
 
-      expect(store.dispatch.calls.allArgs()).toEqual(jasmine.arrayContaining(expectedCalls));
+      expect(store.dispatch.mock.calls).toEqual(expect.arrayContaining(expectedCalls));
     });
 
     it('removes all files from changedFiles state', done => {
@@ -255,7 +259,7 @@ describe('Multi-file store actions', () => {
             type: 'blob',
           })
           .then(() => {
-            expect(store.state.stagedFiles).toEqual([jasmine.objectContaining({ name })]);
+            expect(store.state.stagedFiles).toEqual([expect.objectContaining({ name })]);
 
             done();
           })
@@ -311,12 +315,12 @@ describe('Multi-file store actions', () => {
       document.body.innerHTML +=
         '<div id="tabs"><div class="active"><div class="repo-tab"></div></div></div>';
       const el = document.querySelector('.repo-tab');
-      spyOn(el, 'focus');
+      jest.spyOn(el, 'focus').mockImplementation();
 
       store
         .dispatch('scrollToTab')
         .then(() => {
-          setTimeout(() => {
+          setImmediate(() => {
             expect(el.focus).toHaveBeenCalled();
 
             document.getElementById('tabs').remove();
@@ -350,16 +354,16 @@ describe('Multi-file store actions', () => {
       it('adds all files from changedFiles to stagedFiles', () => {
         stageAllChanges(store);
 
-        expect(store.commit.calls.allArgs()).toEqual([
+        expect(store.commit.mock.calls).toEqual([
           [types.SET_LAST_COMMIT_MSG, ''],
-          [types.STAGE_CHANGE, jasmine.objectContaining({ path: file1.path })],
+          [types.STAGE_CHANGE, expect.objectContaining({ path: file1.path })],
         ]);
       });
 
       it('opens pending tab if a change exists in that file', () => {
         stageAllChanges(store);
 
-        expect(store.dispatch.calls.allArgs()).toEqual([
+        expect(store.dispatch.mock.calls).toEqual([
           [
             'openPendingTab',
             { file: { ...file1, staged: true, changed: true }, keyPrefix: 'staged' },
@@ -382,15 +386,15 @@ describe('Multi-file store actions', () => {
       it('removes all files from stagedFiles after unstaging', () => {
         unstageAllChanges(store);
 
-        expect(store.commit.calls.allArgs()).toEqual([
-          [types.UNSTAGE_CHANGE, jasmine.objectContaining({ path: file2.path })],
+        expect(store.commit.mock.calls).toEqual([
+          [types.UNSTAGE_CHANGE, expect.objectContaining({ path: file2.path })],
         ]);
       });
 
       it('opens pending tab if a change exists in that file', () => {
         unstageAllChanges(store);
 
-        expect(store.dispatch.calls.allArgs()).toEqual([
+        expect(store.dispatch.mock.calls).toEqual([
           ['openPendingTab', { file: file1, keyPrefix: 'unstaged' }],
         ]);
       });
@@ -696,7 +700,7 @@ describe('Multi-file store actions', () => {
   describe('renameEntry', () => {
     describe('purging of file model cache', () => {
       beforeEach(() => {
-        spyOn(eventHub, '$emit');
+        jest.spyOn(eventHub, '$emit').mockImplementation();
       });
 
       it('does not purge model cache for temporary entries that got renamed', done => {
@@ -715,9 +719,7 @@ describe('Multi-file store actions', () => {
             name: 'new',
           })
           .then(() => {
-            expect(eventHub.$emit.calls.allArgs()).not.toContain(
-              'editor.update.model.dispose.foo-bar',
-            );
+            expect(eventHub.$emit.mock.calls).not.toContain('editor.update.model.dispose.foo-bar');
           })
           .then(done)
           .catch(done.fail);
@@ -768,17 +770,17 @@ describe('Multi-file store actions', () => {
       });
 
       it('by default renames an entry and stages it', () => {
-        const dispatch = jasmine.createSpy();
-        const commit = jasmine.createSpy();
+        const dispatch = jest.fn();
+        const commit = jest.fn();
 
         renameEntry(
           { dispatch, commit, state: store.state, getters: store.getters },
           { path: 'orig', name: 'renamed' },
         );
 
-        expect(commit.calls.allArgs()).toEqual([
+        expect(commit.mock.calls).toEqual([
           [types.RENAME_ENTRY, { path: 'orig', name: 'renamed', parentPath: undefined }],
-          [types.STAGE_CHANGE, jasmine.objectContaining({ path: 'renamed' })],
+          [types.STAGE_CHANGE, expect.objectContaining({ path: 'renamed' })],
         ]);
       });
 
@@ -813,7 +815,7 @@ describe('Multi-file store actions', () => {
           renameEntry,
           { path: 'orig', name: 'renamed' },
           store.state,
-          [jasmine.objectContaining({ type: types.RENAME_ENTRY })],
+          [expect.objectContaining({ type: types.RENAME_ENTRY })],
           [{ type: 'triggerFilesChange' }],
           done,
         );
@@ -831,7 +833,7 @@ describe('Multi-file store actions', () => {
             name: 'renamed',
           })
           .then(() => {
-            expect(router.push.calls.count()).toBe(1);
+            expect(router.push.mock.calls).toHaveLength(1);
             expect(router.push).toHaveBeenCalledWith(`/project/foo-bar.md`);
           })
           .then(done)
@@ -918,7 +920,7 @@ describe('Multi-file store actions', () => {
 
             expect(entries['new-folder']).toBeDefined();
             expect(entries['new-folder/test']).toEqual(
-              jasmine.objectContaining({
+              expect.objectContaining({
                 path: 'new-folder/test',
                 name: 'test',
                 prevPath: 'old-folder/test',
@@ -941,7 +943,7 @@ describe('Multi-file store actions', () => {
 
             expect(entries['old-folder']).toBeDefined();
             expect(entries['old-folder/test']).toEqual(
-              jasmine.objectContaining({
+              expect.objectContaining({
                 path: 'old-folder/test',
                 name: 'test',
                 prevPath: undefined,
@@ -989,10 +991,10 @@ describe('Multi-file store actions', () => {
             .dispatch('renameEntry', { path: filePath, name: fileName, parentPath: newParentPath })
             .then(() => {
               expect(store.state.entries[newParentPath]).toEqual(
-                jasmine.objectContaining({
+                expect.objectContaining({
                   path: newParentPath,
                   type: 'tree',
-                  tree: jasmine.arrayContaining([
+                  tree: expect.arrayContaining([
                     store.state.entries[`${newParentPath}/${fileName}`],
                   ]),
                 }),
@@ -1078,7 +1080,7 @@ describe('Multi-file store actions', () => {
             branchId: 'master-testing',
           },
         ];
-        dispatch = jasmine.createSpy('dispatchSpy');
+        dispatch = jest.fn();
         document.body.innerHTML += '<div class="flash-container"></div>';
       });
 
@@ -1092,7 +1094,7 @@ describe('Multi-file store actions', () => {
         getBranchData(...callParams)
           .then(done.fail)
           .catch(e => {
-            expect(dispatch.calls.count()).toEqual(0);
+            expect(dispatch.mock.calls).toHaveLength(0);
             expect(e.response.status).toEqual(404);
             expect(document.querySelector('.flash-alert')).toBeNull();
             done();
@@ -1105,7 +1107,7 @@ describe('Multi-file store actions', () => {
         getBranchData(...callParams)
           .then(done.fail)
           .catch(e => {
-            expect(dispatch.calls.count()).toEqual(0);
+            expect(dispatch.mock.calls).toHaveLength(0);
             expect(e.response).toBeUndefined();
             expect(document.querySelector('.flash-alert')).not.toBeNull();
             done();

spec/javascripts/ide/stores/modules/commit/actions_spec.js → spec/frontend/ide/stores/modules/commit/actions_spec.js

-import { resetStore, file } from 'spec/ide/helpers';
-import rootActions from '~/ide/stores/actions';
+import { resetStore, file } from 'jest/ide/helpers';
+import axios from 'axios';
+import MockAdapter from 'axios-mock-adapter';
+import { visitUrl } from '~/lib/utils/url_utility';
 import { createStore } from '~/ide/stores';
 import service from '~/ide/services';
 import router from '~/ide/ide_router';
@@ -10,15 +12,28 @@ import * as actions from '~/ide/stores/modules/commit/actions';
 import { commitActionTypes, PERMISSION_CREATE_MR } from '~/ide/constants';
 import testAction from '../../../../helpers/vuex_action_helper';
 
+jest.mock('~/lib/utils/url_utility', () => ({
+  visitUrl: jest.fn(),
+  joinPaths: jest.requireActual('~/lib/utils/url_utility').joinPaths,
+}));
+
 const TEST_COMMIT_SHA = '123456789';
 const store = createStore();
 
 describe('IDE commit module actions', () => {
+  let mock;
+
   beforeEach(() => {
-    spyOn(router, 'push');
+    gon.api_version = 'v1';
+    mock = new MockAdapter(axios);
+    jest.spyOn(router, 'push').mockImplementation();
+
+    mock.onGet('/api/v1/projects/abcproject/repository/branches/master').reply(200);
   });
 
   afterEach(() => {
+    delete gon.api_version;
+    mock.restore();
     resetStore(store);
   });
 
@@ -71,7 +86,7 @@ describe('IDE commit module actions', () => {
         [
           {
             type: mutationTypes.UPDATE_COMMIT_ACTION,
-            payload: { commitAction: jasmine.anything() },
+            payload: { commitAction: expect.anything() },
           },
           { type: mutationTypes.TOGGLE_SHOULD_CREATE_MR, payload: true },
         ],
@@ -92,7 +107,7 @@ describe('IDE commit module actions', () => {
         [
           {
             type: mutationTypes.UPDATE_COMMIT_ACTION,
-            payload: { commitAction: jasmine.anything() },
+            payload: { commitAction: expect.anything() },
           },
           { type: mutationTypes.TOGGLE_SHOULD_CREATE_MR, payload: false },
         ],
@@ -168,7 +183,7 @@ describe('IDE commit module actions', () => {
     let f;
 
     beforeEach(() => {
-      spyOn(eventHub, '$emit');
+      jest.spyOn(eventHub, '$emit').mockImplementation();
 
       f = file('changedFile');
       Object.assign(f, {
@@ -200,9 +215,9 @@ describe('IDE commit module actions', () => {
             changed: true,
           },
         ],
-        openFiles: store.state.stagedFiles,
       });
 
+      store.state.openFiles = store.state.stagedFiles;
       store.state.stagedFiles.forEach(stagedFile => {
         store.state.entries[stagedFile.path] = stagedFile;
       });
@@ -280,11 +295,7 @@ describe('IDE commit module actions', () => {
   });
 
   describe('commitChanges', () => {
-    let visitUrl;
-
     beforeEach(() => {
-      visitUrl = spyOnDependency(rootActions, 'visitUrl');
-
       document.body.innerHTML += '<div class="flash-container"></div>';
 
       const f = {
@@ -346,11 +357,7 @@ describe('IDE commit module actions', () => {
       };
 
       beforeEach(() => {
-        spyOn(service, 'commit').and.returnValue(
-          Promise.resolve({
-            data: COMMIT_RESPONSE,
-          }),
-        );
+        jest.spyOn(service, 'commit').mockResolvedValue({ data: COMMIT_RESPONSE });
       });
 
       it('calls service', done => {
@@ -358,14 +365,14 @@ describe('IDE commit module actions', () => {
           .dispatch('commit/commitChanges')
           .then(() => {
             expect(service.commit).toHaveBeenCalledWith('abcproject', {
-              branch: jasmine.anything(),
+              branch: expect.anything(),
               commit_message: 'testing 123',
               actions: [
                 {
                   action: commitActionTypes.update,
-                  file_path: jasmine.anything(),
+                  file_path: expect.anything(),
                   content: '\n',
-                  encoding: jasmine.anything(),
+                  encoding: expect.anything(),
                   last_commit_id: undefined,
                   previous_path: undefined,
                 },
@@ -385,14 +392,14 @@ describe('IDE commit module actions', () => {
           .dispatch('commit/commitChanges')
           .then(() => {
             expect(service.commit).toHaveBeenCalledWith('abcproject', {
-              branch: jasmine.anything(),
+              branch: expect.anything(),
               commit_message: 'testing 123',
               actions: [
                 {
                   action: commitActionTypes.update,
-                  file_path: jasmine.anything(),
+                  file_path: expect.anything(),
                   content: '\n',
-                  encoding: jasmine.anything(),
+                  encoding: expect.anything(),
                   last_commit_id: TEST_COMMIT_SHA,
                   previous_path: undefined,
                 },
@@ -455,7 +462,7 @@ describe('IDE commit module actions', () => {
 
       describe('merge request', () => {
         it('redirects to new merge request page', done => {
-          spyOn(eventHub, '$on');
+          jest.spyOn(eventHub, '$on').mockImplementation();
 
           store.state.commit.commitAction = consts.COMMIT_TO_NEW_BRANCH;
           store.state.commit.shouldCreateMR = true;
@@ -475,7 +482,7 @@ describe('IDE commit module actions', () => {
         });
 
         it('does not redirect to new merge request page when shouldCreateMR is not checked', done => {
-          spyOn(eventHub, '$on');
+          jest.spyOn(eventHub, '$on').mockImplementation();
 
           store.state.commit.commitAction = consts.COMMIT_TO_NEW_BRANCH;
           store.state.commit.shouldCreateMR = false;
@@ -489,30 +496,25 @@ describe('IDE commit module actions', () => {
             .catch(done.fail);
         });
 
-        it('resets changed files before redirecting', done => {
-          visitUrl = visitUrl.and.callFake(() => {
-            expect(store.state.stagedFiles.length).toBe(0);
-            done();
-          });
-
-          spyOn(eventHub, '$on');
+        it('resets changed files before redirecting', () => {
+          jest.spyOn(eventHub, '$on').mockImplementation();
 
           store.state.commit.commitAction = '3';
 
-          store.dispatch('commit/commitChanges').catch(done.fail);
+          return store.dispatch('commit/commitChanges').then(() => {
+            expect(store.state.stagedFiles.length).toBe(0);
+          });
         });
       });
     });
 
     describe('failed', () => {
       beforeEach(() => {
-        spyOn(service, 'commit').and.returnValue(
-          Promise.resolve({
+        jest.spyOn(service, 'commit').mockResolvedValue({
           data: {
             message: 'failed message',
           },
-          }),
-        );
+        });
       });
 
       it('shows failed message', done => {
@@ -543,20 +545,15 @@ describe('IDE commit module actions', () => {
       };
 
       it('commits TOGGLE_EMPTY_STATE mutation on empty repo', done => {
-        spyOn(service, 'commit').and.returnValue(
-          Promise.resolve({
-            data: COMMIT_RESPONSE,
-          }),
-        );
-
-        spyOn(store, 'commit').and.callThrough();
+        jest.spyOn(service, 'commit').mockResolvedValue({ data: COMMIT_RESPONSE });
+        jest.spyOn(store, 'commit');
 
         store
           .dispatch('commit/commitChanges')
           .then(() => {
-            expect(store.commit.calls.allArgs()).toEqual(
-              jasmine.arrayContaining([
-                ['TOGGLE_EMPTY_STATE', jasmine.any(Object), jasmine.any(Object)],
+            expect(store.commit.mock.calls).toEqual(
+              expect.arrayContaining([
+                ['TOGGLE_EMPTY_STATE', expect.any(Object), expect.any(Object)],
               ]),
             );
             done();
@@ -566,19 +563,15 @@ describe('IDE commit module actions', () => {
 
       it('does not commmit TOGGLE_EMPTY_STATE mutation on existing project', done => {
         COMMIT_RESPONSE.parent_ids.push('1234');
-        spyOn(service, 'commit').and.returnValue(
-          Promise.resolve({
-            data: COMMIT_RESPONSE,
-          }),
-        );
-        spyOn(store, 'commit').and.callThrough();
+        jest.spyOn(service, 'commit').mockResolvedValue({ data: COMMIT_RESPONSE });
+        jest.spyOn(store, 'commit');
 
         store
           .dispatch('commit/commitChanges')
           .then(() => {
-            expect(store.commit.calls.allArgs()).not.toEqual(
-              jasmine.arrayContaining([
-                ['TOGGLE_EMPTY_STATE', jasmine.any(Object), jasmine.any(Object)],
+            expect(store.commit.mock.calls).not.toEqual(
+              expect.arrayContaining([
+                ['TOGGLE_EMPTY_STATE', expect.any(Object), expect.any(Object)],
               ]),
             );
             done();

spec/javascripts/ide/helpers.js

-export * from '../../frontend/ide/helpers';

spec/javascripts/ide/mock_data.js

-export * from '../../frontend/ide/mock_data';

spec/javascripts/vue_shared/components/file_finder/index_spec.js

 import Vue from 'vue';
 import Mousetrap from 'mousetrap';
-import { file } from 'spec/ide/helpers';
+import { file } from 'jest/ide/helpers';
 import timeoutPromise from 'spec/helpers/set_timeout_promise_helper';
 import FindFileComponent from '~/vue_shared/components/file_finder/index.vue';
 import { UP_KEY_CODE, DOWN_KEY_CODE, ENTER_KEY_CODE, ESC_KEY_CODE } from '~/lib/utils/keycodes';