Add unit tests

Author: zwu52

packages-exp/messaging-compat/karma.conf.js

@@ -17,7 +17,7 @@
 
 const karmaBase = require('../../config/karma.base');
 
-const files = [`src/**/*.test.ts`];
+const files = ['test/**/*'];
 
 module.exports = function (config) {
   const karmaConfig = {

packages-exp/messaging-compat/package.json

@@ -20,7 +20,7 @@
     "build:deps": "lerna run --scope @firebase/'messaging-compat' --include-dependencies build",
     "build:release": "rollup -c rollup.config.release.js",
     "dev": "rollup -c -w",
-    "test": "run-p test:karma type-check lint ",
+    "test": "run-p test:karma",
     "test:ci": "node ../../scripts/run_tests_in_ci.js",
     "test:karma": "karma start --single-run",
     "test:debug": "karma start --browsers=Chrome --auto-watch",

packages-exp/messaging-compat/test/fakes.ts

@@ -0,0 +1,40 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { FirebaseApp } from '@firebase/app-compat';
+import { FirebaseMessaging } from '@firebase/messaging-exp';
+
+export function getFakeApp(): FirebaseApp {
+  return {
+    name: 'appName',
+    options: {
+      apiKey: 'apiKey',
+      projectId: 'projectId',
+      authDomain: 'authDomain',
+      messagingSenderId: 'messagingSenderId',
+      databaseURL: 'databaseUrl',
+      storageBucket: 'storageBucket',
+      appId: '1:777777777777:web:d93b5ca1475efe57'
+    },
+    automaticDataCollectionEnabled: true,
+    delete: async () => {}
+  };
+}
+
+export function getFakeModularMessaging(): FirebaseMessaging {
+  return {};
+}

packages-exp/messaging-compat/test/messaging-compat.test.ts

@@ -0,0 +1,61 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import * as messagingModule from '@firebase/messaging-exp';
+import * as messagingModuleSwComponent from '@firebase/messaging-exp/sw';
+
+import { getFakeApp, getFakeModularMessaging } from './fakes';
+
+import { MessagingCompat } from '../src/messaging-compat';
+import { expect } from 'chai';
+import { stub } from 'sinon';
+
+describe('messagingCompat', () => {
+  const messagingCompat = new MessagingCompat(
+    getFakeApp(),
+    getFakeModularMessaging()
+  );
+
+  //Stubs
+  const getTokenStub = stub(messagingModule, 'getToken');
+  const deleteTokenStub = stub(messagingModule, 'deleteToken');
+  const onMessageStub = stub(messagingModule, 'onMessage');
+  const onBackgroundMessageStub = stub(
+    messagingModuleSwComponent,
+    'onBackgroundMessage'
+  );
+
+  it('routes messagingCompat.getToken to modular SDK', () => {
+    void messagingCompat.getToken();
+    expect(getTokenStub.called).to.be.true;
+  });
+
+  it('routes messagingCompat.deleteToken to modular SDK', () => {
+    void messagingCompat.deleteToken();
+    expect(deleteTokenStub.called).to.be.true;
+  });
+
+  it('routes messagingCompat.onMessage to modular SDK', () => {
+    messagingCompat.onMessage(_ => {});
+    expect(onMessageStub.called).to.be.true;
+  });
+
+  it('routes messagingCompat.onBackgroundMessage to modular SDK', () => {
+    messagingCompat.onBackgroundMessage(_ => {});
+    expect(onBackgroundMessageStub.called).to.be.true;
+  });
+});