Add tests for initializeAuth (#3957)

packages-exp/auth-exp/src/core/auth/initialize.test.ts

@@ -0,0 +1,189 @@
+/**
+ * @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 { deleteApp, initializeApp } from '@firebase/app-exp';
+import { FirebaseApp, _FirebaseService } from '@firebase/app-types-exp';
+import * as externs from '@firebase/auth-types-exp';
+import { isNode } from '@firebase/util';
+
+import { expect } from 'chai';
+import { inMemoryPersistence } from '../../../internal';
+
+import { Auth } from '../../model/auth';
+import {
+  PopupRedirectResolver,
+  AuthEventType,
+  EventManager,
+  AuthEventConsumer
+} from '../../model/popup_redirect';
+import { AuthPopup } from '../../platform_browser/util/popup';
+import {
+  Persistence,
+  PersistenceType,
+  PersistenceValue,
+  StorageEventListener
+} from '../persistence';
+import { ClientPlatform, _getClientVersion } from '../util/version';
+import { initializeAuth } from './initialize';
+import { registerAuth } from './register';
+
+describe('src/core/auth/initialize', () => {
+  let fakeApp: FirebaseApp;
+
+  class FakeSessionPersistence implements Persistence {
+    static type: 'SESSION' = 'SESSION';
+    readonly type = PersistenceType.SESSION;
+    storage: Record<string, PersistenceValue> = {};
+
+    async _isAvailable(): Promise<boolean> {
+      return true;
+    }
+    async _set(_key: string, _value: PersistenceValue): Promise<void> {
+      return;
+    }
+    async _get<T extends PersistenceValue>(_key: string): Promise<T | null> {
+      return null;
+    }
+    async _remove(_key: string): Promise<void> {
+      return;
+    }
+    _addListener(_key: string, _listener: StorageEventListener): void {
+      return;
+    }
+    _removeListener(_key: string, _listener: StorageEventListener): void {
+      return;
+    }
+  }
+
+  const fakeSessionPersistence: externs.Persistence = FakeSessionPersistence;
+
+  class FakePopupRedirectResolver implements PopupRedirectResolver {
+    readonly _redirectPersistence = fakeSessionPersistence;
+
+    async _initialize(_auth: Auth): Promise<EventManager> {
+      return new (class implements EventManager {
+        registerConsumer(_authEventConsumer: AuthEventConsumer): void {
+          return;
+        }
+        unregisterConsumer(_authEventConsumer: AuthEventConsumer): void {
+          return;
+        }
+      })();
+    }
+    async _openPopup(
+      _auth: Auth,
+      _provider: externs.AuthProvider,
+      _authType: AuthEventType,
+      _eventId?: string
+    ): Promise<AuthPopup> {
+      return new AuthPopup(null);
+    }
+    _openRedirect(
+      _auth: Auth,
+      _provider: externs.AuthProvider,
+      _authType: AuthEventType,
+      _eventId?: string
+    ): Promise<never> {
+      return new Promise((_, reject) => reject());
+    }
+    _isIframeWebStorageSupported(
+      _auth: Auth,
+      cb: (support: boolean) => unknown
+    ): void {
+      cb(true);
+    }
+  }
+
+  const fakePopupRedirectResolver: externs.PopupRedirectResolver = FakePopupRedirectResolver;
+
+  before(() => {
+    registerAuth(ClientPlatform.BROWSER);
+  });
+
+  beforeEach(() => {
+    fakeApp = initializeApp({
+      apiKey: 'fake-key',
+      appId: 'fake-app-id',
+      authDomain: 'fake-auth-domain'
+    });
+  });
+
+  afterEach(async () => {
+    await deleteApp(fakeApp);
+  });
+
+  describe('initializeAuth', () => {
+    it('should work with no deps', async () => {
+      const auth = initializeAuth(fakeApp) as Auth;
+      await auth._initializationPromise;
+
+      expect(auth.name).to.eq(fakeApp.name);
+      const expectedSdkClientVersion = _getClientVersion(
+        isNode() ? ClientPlatform.NODE : ClientPlatform.BROWSER
+      );
+
+      expect(auth.config).to.eql({
+        apiHost: 'identitytoolkit.googleapis.com',
+        apiKey: 'fake-key',
+        apiScheme: 'https',
+        authDomain: 'fake-auth-domain',
+        sdkClientVersion: expectedSdkClientVersion,
+        tokenApiHost: 'securetoken.googleapis.com'
+      });
+      expect(auth._getPersistence()).to.eq('NONE');
+    });
+
+    it('should set persistence', async () => {
+      const auth = initializeAuth(fakeApp, {
+        persistence: fakeSessionPersistence
+      }) as Auth;
+      await auth._initializationPromise;
+
+      expect(auth._getPersistence()).to.eq('SESSION');
+    });
+
+    it('should set persistence with fallback', async () => {
+      const auth = initializeAuth(fakeApp, {
+        persistence: [fakeSessionPersistence, inMemoryPersistence]
+      }) as Auth;
+      await auth._initializationPromise;
+
+      expect(auth._getPersistence()).to.eq('SESSION');
+    });
+
+    it('should set resolver', async () => {
+      const auth = initializeAuth(fakeApp, {
+        popupRedirectResolver: fakePopupRedirectResolver
+      }) as Auth;
+      await auth._initializationPromise;
+
+      expect(auth._popupRedirectResolver).to.be.instanceof(
+        FakePopupRedirectResolver
+      );
+    });
+
+    it('should abort initialization if deleted synchronously', async () => {
+      const auth = initializeAuth(fakeApp, {
+        popupRedirectResolver: fakePopupRedirectResolver
+      }) as Auth;
+      await ((auth as unknown) as _FirebaseService)._delete();
+      await auth._initializationPromise;
+
+      expect(auth._isInitialized).to.be.false;
+    });
+  });
+});