unit test: d2-source

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tests/unit/d2-source.spec.js

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+import { mount, createLocalVue } from '@vue/test-utils'
+import D2Source from '@/components/d2-container/components/d2-source.vue'
+import util from '@/libs/util'
+
+describe('d2-source.vue', () => {
+  // 存在且是Vue组件实例
+  it('is a vue instance', () => {
+    const wrapper = mount(D2Source, {
+      stubs: ['d2-icon']
+    })
+
+    expect(wrapper.exists()).toBeTruthy()
+    expect(wrapper.isVueInstance()).toBeTruthy()
+  })
+
+  // 包含特定类名
+  it('contains specific classnames', () => {
+    const wrapper = mount(D2Source, {
+      stubs: ['d2-icon']
+    })
+
+    expect(wrapper.is('.d2-source')).toBeTruthy()
+    setTimeout(() => {
+      expect(wrapper.contains('.d2-source--active')).toBeTruthy()
+    }, 500)
+  })
+
+  // filename prop
+  it('has a property named \'filename\'', () => {
+    const wrapper = mount(D2Source, {
+      stubs: ['d2-icon'],
+      propsData: {
+        filename: ''
+      }
+    })
+
+    expect(wrapper.props().filename).toEqual('')
+  })
+})