Counter.spec.js 1.8 KB

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  1. /*
  2. * Licensed to the Apache Software Foundation (ASF) under one or more
  3. * contributor license agreements. See the NOTICE file distributed with
  4. * this work for additional information regarding copyright ownership.
  5. * The ASF licenses this file to You under the Apache License, Version 2.0
  6. * (the "License"); you may not use this file except in compliance with
  7. * the License. You may obtain a copy of the License at
  8. *
  9. * http://www.apache.org/licenses/LICENSE-2.0
  10. *
  11. * Unless required by applicable law or agreed to in writing, software
  12. * distributed under the License is distributed on an "AS IS" BASIS,
  13. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. * See the License for the specific language governing permissions and
  15. * limitations under the License.
  16. */
  17. import { mount } from '@vue/test-utils'
  18. import Counter from '../src/components/Counter.vue'
  19. describe("Counter.vue", () => {
  20. it("渲染Counter组件", () => {
  21. const wrapper = mount(Counter)
  22. expect(wrapper.element).toMatchSnapshot()
  23. })
  24. it("初始化之为0", () => {
  25. const wrapper = mount(Counter)
  26. expect(wrapper.vm.count).toEqual(0)
  27. })
  28. it("加1", () => {
  29. const wrapper = mount(Counter)
  30. wrapper.vm.inc()
  31. expect(wrapper.vm.count).toEqual(1)
  32. })
  33. it("减1", () => {
  34. const wrapper = mount(Counter)
  35. wrapper.vm.dec()
  36. expect(wrapper.vm.count).toEqual(-1)
  37. })
  38. it("重置", () => {
  39. const wrapper = mount(Counter)
  40. wrapper.vm.reset()
  41. expect(wrapper.vm.count).toEqual(0)
  42. })
  43. it("因数为10加1操作", () => {
  44. const wrapper = mount(Counter, { propsData: { factor: 10 } })
  45. wrapper.vm.inc()
  46. expect(wrapper.vm.computedCount).toEqual(10)
  47. })
  48. })