Migrate javascripts/sidebar specs to Jest

Migrate specs in spec/javascripts/sidebar from Karma to Jest.

spec/javascripts/sidebar/components/time_tracking/time_tracker_spec.js → spec/frontend/sidebar/components/time_tracking/time_tracker_spec.js

 import Vue from 'vue';
 
-import mountComponent from 'spec/helpers/vue_mount_component_helper';
+import mountComponent from 'helpers/vue_mount_component_helper';
 import TimeTracker from '~/sidebar/components/time_tracking/time_tracker.vue';
 
 describe('Issuable Time Tracker', () => {
@@ -35,7 +35,9 @@ describe('Issuable Time Tracker', () => {
         ...TimeTracker.components,
         transition: {
           // disable animations
-          template: '<div><slot></slot></div>',
+          render(h) {
+            return h('div', this.$slots.default);
+          },
         },
       },
     });
@@ -100,9 +102,9 @@ describe('Issuable Time Tracker', () => {
         it('should show full times when the sidebar is collapsed', done => {
           Vue.nextTick(() => {
             const timeTrackingText = vm.$el.querySelector('.time-tracking-collapsed-summary span')
-              .innerText;
+              .textContent;
 
-            expect(timeTrackingText).toBe('1h 23m / 1d 3h');
+            expect(timeTrackingText.trim()).toBe('1h 23m / 1d 3h');
             done();
           });
         });
@@ -175,10 +177,10 @@ describe('Issuable Time Tracker', () => {
         it('should display the human readable version of time estimated', done => {
           Vue.nextTick(() => {
             const estimateText = vm.$el.querySelector('.time-tracking-estimate-only-pane')
-              .innerText;
-            const correctText = 'Estimated: 2h 46m';
+              .textContent;
+            const correctText = 'Estimated:  2h 46m';
 
-            expect(estimateText).toBe(correctText);
+            expect(estimateText.trim()).toBe(correctText);
             done();
           });
         });
@@ -196,7 +198,7 @@ describe('Issuable Time Tracker', () => {
 
         it('should display the human readable version of time spent', done => {
           Vue.nextTick(() => {
-            const spentText = vm.$el.querySelector('.time-tracking-spend-only-pane').innerText;
+            const spentText = vm.$el.querySelector('.time-tracking-spend-only-pane').textContent;
             const correctText = 'Spent: 1h 23m';
 
             expect(spentText).toBe(correctText);
@@ -218,12 +220,12 @@ describe('Issuable Time Tracker', () => {
         it('should only show the "No time tracking" pane when both timeEstimate and time_spent are falsey', done => {
           Vue.nextTick(() => {
             const $noTrackingPane = vm.$el.querySelector('.time-tracking-no-tracking-pane');
-            const noTrackingText = $noTrackingPane.innerText;
+            const noTrackingText = $noTrackingPane.textContent;
             const correctText = 'No estimate or time spent';
 
             expect(vm.showNoTimeTrackingState).toBe(true);
             expect($noTrackingPane).toBeVisible();
-            expect(noTrackingText).toBe(correctText);
+            expect(noTrackingText.trim()).toBe(correctText);
             done();
           });
         });
@@ -234,12 +236,10 @@ describe('Issuable Time Tracker', () => {
         const closeHelpButton = () => vm.$el.querySelector('.close-help-button');
         const helpPane = () => vm.$el.querySelector('.time-tracking-help-state');
 
-        beforeEach(done => {
+        beforeEach(() => {
           initTimeTrackingComponent({ timeEstimate: 0, timeSpent: 0 });
 
-          Vue.nextTick()
-            .then(done)
-            .catch(done.fail);
+          return vm.$nextTick();
         });
 
         it('should not show the "Help" pane by default', () => {
@@ -247,16 +247,17 @@ describe('Issuable Time Tracker', () => {
           expect(helpPane()).toBeNull();
         });
 
-        it('should show the "Help" pane when help button is clicked', done => {
+        it('should show the "Help" pane when help button is clicked', () => {
           helpButton().click();
 
-          Vue.nextTick()
-            .then(() => {
-              expect(vm.showHelpState).toBe(true);
-              expect(helpPane()).toBeVisible();
-            })
-            .then(done)
-            .catch(done.fail);
+          return vm.$nextTick().then(() => {
+            expect(vm.showHelpState).toBe(true);
+
+            // let animations run
+            jest.advanceTimersByTime(500);
+
+            expect(helpPane()).toBeVisible();
+          });
         });
 
         it('should not show the "Help" pane when help button is clicked and then closed', done => {

spec/javascripts/sidebar/lock/lock_issue_sidebar_spec.js → spec/frontend/sidebar/lock/lock_issue_sidebar_spec.js

 import Vue from 'vue';
-import { mockTracking, triggerEvent } from 'spec/helpers/tracking_helper';
+import { mockTracking, triggerEvent } from 'helpers/tracking_helper';
 import lockIssueSidebar from '~/sidebar/components/lock/lock_issue_sidebar.vue';
 
 describe('LockIssueSidebar', () => {
@@ -61,7 +61,7 @@ describe('LockIssueSidebar', () => {
   });
 
   it('tracks an event when "Edit" is clicked', () => {
-    const spy = mockTracking('_category_', vm1.$el, spyOn);
+    const spy = mockTracking('_category_', vm1.$el, jest.spyOn);
     triggerEvent('.lock-edit');
 
     expect(spy).toHaveBeenCalledWith('_category_', 'click_edit_button', {
@@ -77,7 +77,7 @@ describe('LockIssueSidebar', () => {
 
     expect(vm1.isLockDialogOpen).toBe(true);
 
-    setTimeout(() => {
+    setImmediate(() => {
       expect(vm1.$el.innerHTML.includes('Unlock this issue?')).toBe(true);
 
       done();

spec/javascripts/sidebar/sidebar_move_issue_spec.js → spec/frontend/sidebar/sidebar_move_issue_spec.js

@@ -7,15 +7,16 @@ import SidebarService from '~/sidebar/services/sidebar_service';
 import SidebarMoveIssue from '~/sidebar/lib/sidebar_move_issue';
 import Mock from './mock_data';
 
-describe('SidebarMoveIssue', function() {
+describe('SidebarMoveIssue', () => {
   let mock;
+  const test = {};
 
   beforeEach(() => {
     mock = new MockAdapter(axios);
     const mockData = Mock.responseMap.GET['/autocomplete/projects?project_id=15'];
     mock.onGet('/autocomplete/projects?project_id=15').reply(200, mockData);
-    this.mediator = new SidebarMediator(Mock.mediator);
-    this.$content = $(`
+    test.mediator = new SidebarMediator(Mock.mediator);
+    test.$content = $(`
       <div class="dropdown">
         <div class="js-toggle"></div>
         <div class="dropdown-menu">
@@ -24,15 +25,15 @@ describe('SidebarMoveIssue', function() {
         <div class="js-confirm-button"></div>
       </div>
     `);
-    this.$toggleButton = this.$content.find('.js-toggle');
-    this.$confirmButton = this.$content.find('.js-confirm-button');
+    test.$toggleButton = test.$content.find('.js-toggle');
+    test.$confirmButton = test.$content.find('.js-confirm-button');
 
-    this.sidebarMoveIssue = new SidebarMoveIssue(
-      this.mediator,
-      this.$toggleButton,
-      this.$confirmButton,
+    test.sidebarMoveIssue = new SidebarMoveIssue(
+      test.mediator,
+      test.$toggleButton,
+      test.$confirmButton,
     );
-    this.sidebarMoveIssue.init();
+    test.sidebarMoveIssue.init();
   });
 
   afterEach(() => {
@@ -40,46 +41,46 @@ describe('SidebarMoveIssue', function() {
     SidebarStore.singleton = null;
     SidebarMediator.singleton = null;
 
-    this.sidebarMoveIssue.destroy();
+    test.sidebarMoveIssue.destroy();
     mock.restore();
   });
 
   describe('init', () => {
     it('should initialize the dropdown and listeners', () => {
-      spyOn(this.sidebarMoveIssue, 'initDropdown');
-      spyOn(this.sidebarMoveIssue, 'addEventListeners');
+      jest.spyOn(test.sidebarMoveIssue, 'initDropdown').mockImplementation(() => {});
+      jest.spyOn(test.sidebarMoveIssue, 'addEventListeners').mockImplementation(() => {});
 
-      this.sidebarMoveIssue.init();
+      test.sidebarMoveIssue.init();
 
-      expect(this.sidebarMoveIssue.initDropdown).toHaveBeenCalled();
-      expect(this.sidebarMoveIssue.addEventListeners).toHaveBeenCalled();
+      expect(test.sidebarMoveIssue.initDropdown).toHaveBeenCalled();
+      expect(test.sidebarMoveIssue.addEventListeners).toHaveBeenCalled();
     });
   });
 
   describe('destroy', () => {
     it('should remove the listeners', () => {
-      spyOn(this.sidebarMoveIssue, 'removeEventListeners');
+      jest.spyOn(test.sidebarMoveIssue, 'removeEventListeners').mockImplementation(() => {});
 
-      this.sidebarMoveIssue.destroy();
+      test.sidebarMoveIssue.destroy();
 
-      expect(this.sidebarMoveIssue.removeEventListeners).toHaveBeenCalled();
+      expect(test.sidebarMoveIssue.removeEventListeners).toHaveBeenCalled();
     });
   });
 
   describe('initDropdown', () => {
     it('should initialize the gl_dropdown', () => {
-      spyOn($.fn, 'glDropdown');
+      jest.spyOn($.fn, 'glDropdown').mockImplementation(() => {});
 
-      this.sidebarMoveIssue.initDropdown();
+      test.sidebarMoveIssue.initDropdown();
 
       expect($.fn.glDropdown).toHaveBeenCalled();
     });
 
     it('escapes html from project name', done => {
-      this.$toggleButton.dropdown('toggle');
+      test.$toggleButton.dropdown('toggle');
 
-      setTimeout(() => {
-        expect(this.$content.find('.js-move-issue-dropdown-item')[1].innerHTML.trim()).toEqual(
+      setImmediate(() => {
+        expect(test.$content.find('.js-move-issue-dropdown-item')[1].innerHTML.trim()).toEqual(
           '&lt;img src=x onerror=alert(document.domain)&gt; foo / bar',
         );
         done();
@@ -89,78 +90,78 @@ describe('SidebarMoveIssue', function() {
 
   describe('onConfirmClicked', () => {
     it('should move the issue with valid project ID', () => {
-      spyOn(this.mediator, 'moveIssue').and.returnValue(Promise.resolve());
-      this.mediator.setMoveToProjectId(7);
+      jest.spyOn(test.mediator, 'moveIssue').mockReturnValue(Promise.resolve());
+      test.mediator.setMoveToProjectId(7);
 
-      this.sidebarMoveIssue.onConfirmClicked();
+      test.sidebarMoveIssue.onConfirmClicked();
 
-      expect(this.mediator.moveIssue).toHaveBeenCalled();
-      expect(this.$confirmButton.prop('disabled')).toBeTruthy();
-      expect(this.$confirmButton.hasClass('is-loading')).toBe(true);
+      expect(test.mediator.moveIssue).toHaveBeenCalled();
+      expect(test.$confirmButton.prop('disabled')).toBeTruthy();
+      expect(test.$confirmButton.hasClass('is-loading')).toBe(true);
     });
 
     it('should remove loading state from confirm button on failure', done => {
-      spyOn(window, 'Flash');
-      spyOn(this.mediator, 'moveIssue').and.returnValue(Promise.reject());
-      this.mediator.setMoveToProjectId(7);
+      jest.spyOn(window, 'Flash').mockImplementation(() => {});
+      jest.spyOn(test.mediator, 'moveIssue').mockReturnValue(Promise.reject());
+      test.mediator.setMoveToProjectId(7);
 
-      this.sidebarMoveIssue.onConfirmClicked();
+      test.sidebarMoveIssue.onConfirmClicked();
 
-      expect(this.mediator.moveIssue).toHaveBeenCalled();
+      expect(test.mediator.moveIssue).toHaveBeenCalled();
       // Wait for the move issue request to fail
-      setTimeout(() => {
+      setImmediate(() => {
         expect(window.Flash).toHaveBeenCalled();
-        expect(this.$confirmButton.prop('disabled')).toBeFalsy();
-        expect(this.$confirmButton.hasClass('is-loading')).toBe(false);
+        expect(test.$confirmButton.prop('disabled')).toBeFalsy();
+        expect(test.$confirmButton.hasClass('is-loading')).toBe(false);
         done();
       });
     });
 
     it('should not move the issue with id=0', () => {
-      spyOn(this.mediator, 'moveIssue');
-      this.mediator.setMoveToProjectId(0);
+      jest.spyOn(test.mediator, 'moveIssue').mockImplementation(() => {});
+      test.mediator.setMoveToProjectId(0);
 
-      this.sidebarMoveIssue.onConfirmClicked();
+      test.sidebarMoveIssue.onConfirmClicked();
 
-      expect(this.mediator.moveIssue).not.toHaveBeenCalled();
+      expect(test.mediator.moveIssue).not.toHaveBeenCalled();
     });
   });
 
   it('should set moveToProjectId on dropdown item "No project" click', done => {
-    spyOn(this.mediator, 'setMoveToProjectId');
+    jest.spyOn(test.mediator, 'setMoveToProjectId').mockImplementation(() => {});
 
     // Open the dropdown
-    this.$toggleButton.dropdown('toggle');
+    test.$toggleButton.dropdown('toggle');
 
     // Wait for the autocomplete request to finish
-    setTimeout(() => {
-      this.$content
+    setImmediate(() => {
+      test.$content
         .find('.js-move-issue-dropdown-item')
         .eq(0)
         .trigger('click');
 
-      expect(this.mediator.setMoveToProjectId).toHaveBeenCalledWith(0);
-      expect(this.$confirmButton.prop('disabled')).toBeTruthy();
+      expect(test.mediator.setMoveToProjectId).toHaveBeenCalledWith(0);
+      expect(test.$confirmButton.prop('disabled')).toBeTruthy();
       done();
-    }, 0);
+    });
   });
 
   it('should set moveToProjectId on dropdown item click', done => {
-    spyOn(this.mediator, 'setMoveToProjectId');
+    jest.spyOn(test.mediator, 'setMoveToProjectId').mockImplementation(() => {});
 
     // Open the dropdown
-    this.$toggleButton.dropdown('toggle');
+    test.$toggleButton.dropdown('toggle');
 
     // Wait for the autocomplete request to finish
-    setTimeout(() => {
-      this.$content
+    setImmediate(() => {
+      test.$content
         .find('.js-move-issue-dropdown-item')
         .eq(1)
         .trigger('click');
 
-      expect(this.mediator.setMoveToProjectId).toHaveBeenCalledWith(20);
-      expect(this.$confirmButton.attr('disabled')).toBe(undefined);
+      expect(test.mediator.setMoveToProjectId).toHaveBeenCalledWith(20);
+      expect(test.$confirmButton.attr('disabled')).toBe(undefined);
       done();
-    }, 0);
+    });
   });
 });

spec/javascripts/sidebar/mock_data.js

-// No new code should be added to this file. Instead, modify the
-// file this one re-exports from. For more detail about why, see:
-// https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/31349
-
-import mockData from '../../frontend/sidebar/mock_data';
-
-export default mockData;