Updating with suggestions as per review

app/assets/javascripts/registry/components/table_registry.vue

@@ -52,7 +52,7 @@ export default {
       return this.repo.pagination.total > this.repo.pagination.perPage;
     },
     modalTitle() {
-      if (this.singleItemToBeDeleted !== null || this.itemsToBeDeleted.length === 1) {
+      if (this.singleItemSelected) {
         return s__('ContainerRegistry|Remove image');
       }
       return s__('ContainerRegistry|Remove images');
@@ -60,7 +60,7 @@ export default {
     modalDescription() {
       const selectedCount = this.itemsToBeDeleted.length;
 
-      if (this.singleItemToBeDeleted !== null || selectedCount === 1) {
+      if (this.singleItemSelected) {
         const { tag } =
           this.singleItemToBeDeleted !== null
             ? this.repo.list[this.singleItemToBeDeleted]
@@ -79,6 +79,9 @@ export default {
         { count: selectedCount },
       );
     },
+    singleItemSelected() {
+      return this.singleItemToBeDeleted !== null || this.itemsToBeDeleted.length === 1;
+    },
   },
   methods: {
     ...mapActions(['fetchList', 'deleteItems']),

spec/javascripts/registry/components/table_registry_spec.js

 import Vue from 'vue';
 import tableRegistry from '~/registry/components/table_registry.vue';
 import store from '~/registry/stores';
+import { mountComponentWithStore } from 'spec/helpers/vue_mount_component_helper';
 import { repoPropsData } from '../mock_data';
 
 const [firstImage, secondImage] = repoPropsData.list;
 
 describe('table registry', () => {
   let vm;
-  let Component;
+  const Component = Vue.extend(tableRegistry);
   const bulkDeletePath = 'path';
 
   const findDeleteBtn = () => vm.$el.querySelector('.js-delete-registry');
@@ -15,17 +16,19 @@ describe('table registry', () => {
   const findSelectAllCheckbox = () => vm.$el.querySelector('.js-select-all-checkbox > input');
   const findAllRowCheckboxes = () =>
     Array.from(vm.$el.querySelectorAll('.js-select-checkbox input'));
+  const confirmationModal = (child = '') => document.querySelector(`#${vm.modalId} ${child}`);
 
   const createComponent = () => {
-    Component = Vue.extend(tableRegistry);
-    vm = new Component({
+    vm = mountComponentWithStore(Component, {
       store,
-      propsData: {
+      props: {
         repo: repoPropsData,
       },
-    }).$mount();
+    });
   };
 
+  const toggleSelectAll = () => vm.selectAll();
+
   beforeEach(() => {
     createComponent();
   });
@@ -34,6 +37,7 @@ describe('table registry', () => {
     vm.$destroy();
   });
 
+  describe('rendering', () => {
     it('should render a table with the registry list', () => {
       expect(vm.$el.querySelectorAll('table tbody tr').length).toEqual(repoPropsData.list.length);
     });
@@ -49,16 +53,12 @@ describe('table registry', () => {
       expect(textRendered).toContain(repoPropsData.list[0].layers);
       expect(textRendered).toContain(repoPropsData.list[0].size);
     });
-
-  describe('multi select', () => {
-    beforeEach(() => {
-      vm.itemsToBeDeleted = [];
   });
 
+  describe('multi select', () => {
     it('should support multiselect and selecting a row should enable delete button', done => {
       findSelectAllCheckbox().click();
-
-      vm.selectAll();
+      toggleSelectAll();
 
       expect(findSelectAllCheckbox().checked).toBe(true);
 
@@ -70,7 +70,7 @@ describe('table registry', () => {
 
     it('selecting all checkbox should select all rows and enable delete button', done => {
       findSelectAllCheckbox().click();
-      vm.selectAll();
+      toggleSelectAll();
 
       Vue.nextTick(() => {
         const checkedValues = findAllRowCheckboxes().filter(x => x.checked);
@@ -82,8 +82,8 @@ describe('table registry', () => {
 
     it('deselecting select all checkbox should deselect all rows and disable delete button', done => {
       findSelectAllCheckbox().click();
-      vm.selectAll(); // Select them all on
-      vm.selectAll(); // Select them all off
+      toggleSelectAll(); // Select them all on
+      toggleSelectAll(); // Select them all off
 
       Vue.nextTick(() => {
         const checkedValues = findAllRowCheckboxes().filter(x => x.checked);
@@ -95,7 +95,7 @@ describe('table registry', () => {
 
     it('should delete multiple items when multiple items are selected', done => {
       findSelectAllCheckbox().click();
-      vm.selectAll();
+      toggleSelectAll();
 
       Vue.nextTick(() => {
         expect(vm.itemsToBeDeleted).toEqual([0, 1]);
@@ -105,8 +105,8 @@ describe('table registry', () => {
         spyOn(vm, 'deleteItems').and.returnValue(Promise.resolve());
 
         Vue.nextTick(() => {
-          const modal = document.querySelector(`#${vm.modalId}`);
-          document.querySelector(`#${vm.modalId} .btn-danger`).click();
+          const modal = confirmationModal();
+          confirmationModal('.btn-danger').click();
 
           expect(modal).toExist();
 
@@ -146,7 +146,7 @@ describe('table registry', () => {
         spyOn(vm, 'deleteItems').and.returnValue(Promise.resolve());
 
         Vue.nextTick(() => {
-          document.querySelector(`#${vm.modalId} .btn-danger`).click();
+          confirmationModal('.btn-danger').click();
 
           expect(vm.itemsToBeDeleted).toEqual([]);
           expect(vm.deleteItems).toHaveBeenCalledWith({
@@ -164,4 +164,27 @@ describe('table registry', () => {
       expect(vm.$el.querySelector('.gl-pagination')).toBeDefined();
     });
   });
+
+  describe('modal content', () => {
+    it('should show the singular title and image name when deleting a single image', done => {
+      findDeleteBtnRow().click();
+
+      Vue.nextTick(() => {
+        expect(vm.modalTitle).toBe('Remove image');
+        expect(vm.modalDescription).toContain(firstImage.tag);
+        done();
+      });
+    });
+
+    it('should show the plural title and image count when deleting more than one image', done => {
+      findSelectAllCheckbox().click();
+      toggleSelectAll();
+
+      Vue.nextTick(() => {
+        expect(vm.modalTitle).toBe('Remove images');
+        expect(vm.modalDescription).toContain('<b>2</b> images');
+        done();
+      });
+    });
+  });
 });