Merge pull request jd-opensource#442 from LinFeng1997/lifecycles_even…

…t_test

test: lifecycles event

package.json

@@ -44,6 +44,8 @@
     "test": "jest",
     "test:watch": "jest --watch",
     "test:coverage": "jest --coverage",
+    "test:unit": "jest src/__tests__/unit",
+    "test:unit:coverage": "npm run test:unit -- --coverage",
     "prepublishOnly": "yarn lint && yarn test && yarn build"
   },
   "repository": {

src/__tests__/unit/lifecycles_event.test.ts

@@ -0,0 +1,53 @@
+
+import dispatchLifecyclesEvent, { dispatchCustomEventToMicroApp } from '../../interact/lifecycles_event'
+import microApp from '../../micro_app'
+
+describe('LifeCycles Event', () => {
+  describe('dispatchCustomEventToMicroApp', () => {
+    test('使用 dispatchCustomEventToMicroApp 方法发送事件，window 可以接收到事件', () => {
+      const callback = jest.fn()
+      window.addEventListener('event-app', callback)
+
+      dispatchCustomEventToMicroApp('event', 'app')
+
+      expect(callback).toBeCalled()
+    })
+  })
+
+  describe('dispatchLifecyclesEvent', () => {
+    const appName = 'app'
+    beforeAll(() => {
+      console.error = jest.fn()
+    })
+
+    test('element 为空，报错', () => {
+      // @ts-ignore
+      dispatchLifecyclesEvent(undefined, appName, 'mount')
+
+      expect(console.error).toBeCalledWith(`[micro-app] app ${appName}: element does not exist in lifecycle mount`)
+    })
+
+    test('发送 mount 事件，接收成功', () => {
+      const container = document.createElement('div')
+      container.addEventListener('mount', (e) => {
+        const { name, container: detailContainer } = (e as CustomEvent).detail
+        expect(name).toEqual(appName)
+        expect(detailContainer).toEqual(container)
+        expect(e.target).toEqual(container)
+        expect(e.currentTarget).toEqual(container)
+      })
+      dispatchLifecyclesEvent(container, appName, 'mount')
+    })
+
+    test('发送 created 事件，主应用监听了这个事件可以被触发', () => {
+      const container = document.createElement('div')
+      const onCreated = jest.fn()
+
+      microApp.lifeCycles = { created: onCreated }
+      dispatchLifecyclesEvent(container, appName, 'created')
+
+      expect(onCreated).toBeCalled()
+      microApp.lifeCycles = undefined
+    })
+  })
+})