tests: add some issing tests

tests/unit/Breadcrumbs.spec.js

@@ -0,0 +1,32 @@
+import Vue from 'vue'
+import { shallowMount, mount } from '@vue/test-utils'
+import BootstrapVue from 'bootstrap-vue'
+import Breadcrumbs from '@/views/base/Breadcrumbs'
+
+Vue.use(BootstrapVue)
+
+describe('Breadcrumbs.vue', () => {
+  it('has a name', () => {
+    expect(Breadcrumbs.name).toMatch('breadcrumbs')
+  })
+  it('has a created hook', () => {
+    expect(typeof Breadcrumbs.data).toMatch('function')
+  })
+  it('sets the correct default data', () => {
+    expect(typeof Breadcrumbs.data).toMatch('function')
+    const defaultData = Breadcrumbs.data()
+    expect(typeof defaultData.items).toMatch('object')
+  })
+  it('is Vue instance', () => {
+    const wrapper = shallowMount(Breadcrumbs)
+    expect(wrapper.isVueInstance()).toBe(true)
+  })
+  it('is Breadcrumbs', () => {
+    const wrapper = shallowMount(Breadcrumbs)
+    expect(wrapper.is(Breadcrumbs)).toBe(true)
+  })
+  it('should render correct content', () => {
+    const wrapper = mount(Breadcrumbs)
+    expect(wrapper.find('header.card-header > div > strong').text()).toMatch('Bootstrap Breadcrumb')
+  })
+})