feat(taro): 添加env.js的测试用例和taro包的测试依赖

package.json

@@ -19,7 +19,7 @@
     "release:lerna": "lerna publish --force-publish=* --exact --skip-temp-tag",
     "release:beta": "lerna publish --force-publish=* --exact --skip-temp-tag  --preid=beta --npm-tag=beta",
     "release": "npm-run-all build release:lerna && npm run changelog && node ./build/docs-version.js",
-    "test": "lerna run --scope eslint-plugin-taro  --scope @tarojs/transformer-wx test"
+    "test": "lerna run --scope eslint-plugin-taro  --scope @tarojs/transformer-wx --scope @tarojs/taro test"
   },
   "repository": {
     "type": "git",

packages/taro/.babelrc

@@ -0,0 +1,5 @@
+{
+  "presets": [
+    "@babel/preset-env", "@babel/preset-react"
+  ]
+}

packages/taro/__tests__/env.spec.js

@@ -0,0 +1,58 @@
+import { ENV_TYPE, getEnv } from "../src/env";
+
+// Create a global variable in jest
+const _createGlobalVarible = (name, properties) => {
+  Object.defineProperty(window, name, {
+    writable: true,
+    value: { ...properties }
+  });
+};
+// Destory a global variable in jest
+const _clearGlobalVarible = name => {
+  Object.defineProperty(window, name, {
+    writable: true,
+    value: undefined
+  });
+};
+
+// common test flow for qq/tt/wx/swan/alipay
+const _commonFlow = ({ name, properties }, fn) => {
+  _createGlobalVarible(name, properties);
+  fn();
+  _clearGlobalVarible(name);
+};
+
+// check getEnv function
+describe("getEnv", () => {
+  it("is QQ ?", () =>
+    _commonFlow(
+      { name: "qq", properties: { getSystemInfo: jest.fn() } },
+      () => expect(getEnv()).toBe(ENV_TYPE.QQ)
+    ));
+  it("is TT ?", () =>
+    _commonFlow(
+      { name: "tt", properties: { getSystemInfo: jest.fn() } },
+      () => expect(getEnv()).toBe(ENV_TYPE.TT)
+    ));
+  it("is WEAPP ?", () =>
+    _commonFlow(
+      { name: "wx", properties: { getSystemInfo: jest.fn() } },
+      () => expect(getEnv()).toBe(ENV_TYPE.WEAPP)
+    ));
+  it("is SWAN ?", () =>
+    _commonFlow(
+      { name: "swan", properties: { getSystemInfo: jest.fn() } },
+      () => expect(getEnv()).toBe(ENV_TYPE.SWAN)
+    ));
+  it("is ALIPAY ?", () =>
+    _commonFlow(
+      { name: "my", properties: { getSystemInfo: jest.fn() } },
+      () => expect(getEnv()).toBe(ENV_TYPE.ALIPAY)
+    ));
+  it("is rn", () => {
+    global.__fbGenNativeModule = jest.fn();
+    expect(getEnv()).toBe(ENV_TYPE.RN);
+    global.__fbGenNativeModule = undefined;
+  }); 
+  it("is WEB", () => expect(getEnv()).toBe(ENV_TYPE.WEB));
+});

packages/taro/package.json

@@ -13,7 +13,7 @@
     "package.json"
   ],
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "jest",
     "build": "rollup -c rollup.config.js"
   },
   "repository": {
@@ -30,5 +30,11 @@
   "license": "MIT",
   "dependencies": {
     "@tarojs/utils": "1.3.15"
+  },
+  "devDependencies": {
+    "@babel/preset-env": "^7.5.5",
+    "@babel/preset-react": "^7.0.0",
+    "@types/jest": "^24.0.18",
+    "jest": "^24.9.0"
   }
 }