Return layout tests

test/views/layout/index.test.js

+import Vuex from 'vuex'
+import VueRouter from 'vue-router'
+import { mount, createLocalVue, config } from '@vue/test-utils'
+import Element from 'element-ui'
+import Layout from '@/views/layout/Layout'
+import storeConfig from './store.conf'
+import routerConfig from './router.conf'
+import { cloneDeep } from 'lodash'
+import { beforeEachRoute } from '@/permission'
+
+config.mocks["$t"] = () => {}
+
+const localVue = createLocalVue()
+localVue.use(Vuex)
+localVue.use(VueRouter)
+localVue.use(Element)
+
+jest.mock('@/api/reports')
+
+describe('Log out', () => {
+  let store
+  let router
+
+  beforeEach(() => {
+    store = new Vuex.Store(cloneDeep(storeConfig))
+    router = new VueRouter(cloneDeep(routerConfig))
+    router.beforeEach(beforeEachRoute)
+
+    delete window.location
+    window.location = { href: '' }
+  })
+
+  it('logs out user', async (done) => {
+    const wrapper = mount(Layout, {
+      store,
+      router,
+      localVue
+    })
+
+    const logoutButton = wrapper.find('span')
+    expect(store.state.user.roles.length).toBe(1)
+    expect(store.state.user.token).toBe('foo123')
+
+    logoutButton.trigger('click')
+    await wrapper.vm.$nextTick()
+
+    expect(store.state.user.roles.length).toBe(0)
+    expect(store.state.user.token).toBe('')
+    done()
+  })
+})