test: restore and fix unit tests

tests/unit/views/users/Users.spec.js

@@ -0,0 +1,56 @@
+import { createLocalVue, shallowMount, mount } from '@vue/test-utils'
+import CoreuiVue from '@coreui/vue'
+import Users from '@/views/users/Users'
+import VueRouter from 'vue-router';
+
+const localVue = createLocalVue()
+localVue.use(VueRouter)
+const router = new VueRouter()
+
+localVue.use(CoreuiVue)
+
+describe('Users.vue', () => {
+  it('has a name', () => {
+    expect(Users.name).toMatch('Users')
+  })
+  it('has a created hook', () => {
+    expect(typeof Users.data).toMatch('function')
+  })
+  it('sets the correct default data', () => {
+    expect(typeof Users.data).toMatch('function')
+    const defaultData = Users.data()
+    expect(defaultData.currentPage).toBe(1)
+  })
+  it('is Vue instance', () => {
+    const wrapper = shallowMount(Users,{
+      localVue,
+      router
+    })
+    expect(wrapper.isVueInstance()).toBe(true)
+  })
+  it('is Users', () => {
+    const wrapper = shallowMount(Users,{
+      localVue,
+      router
+    })
+    expect(wrapper.is(Users)).toBe(true)
+  })
+  test('renders correctly', () => {
+    const wrapper = shallowMount(Users, {
+      localVue,
+      router
+    })
+    expect(wrapper.element).toMatchSnapshot()
+  })
+  it('should have methods', () => {
+    const wrapper = shallowMount(Users,{
+      localVue,
+      router
+    })
+
+    expect(typeof Users.methods.userLink  ).toEqual('function')
+    expect(Users.methods.userLink(42)).toBe('users/42')
+    expect(typeof Users.methods.rowClicked ).toEqual('function')
+    expect(wrapper.vm.rowClicked({id:42})).toBeUndefined()
+  })
+})