Fix tab sync and add tests.

packages-exp/auth-exp/test/integration/webdriver/persistence.test.ts

@@ -410,4 +410,35 @@ browserDescribe('WebDriver persistence test', driver => {
       }
     });
   });
+
+  context.only('persistence sync across windows and tabs', () => {
+    it('sync current user across windows', async () => {
+      const cred: UserCredential = await driver.call(
+        AnonFunction.SIGN_IN_ANONYMOUSLY
+      );
+      const uid = cred.user.uid;
+      await driver.webDriver.executeScript('window.open(".");');
+      await driver.selectPopupWindow();
+      await driver.injectConfigAndInitAuth();
+      await driver.waitForAuthInit();
+      const userInPopup = await driver.getUserSnapshot();
+      expect(userInPopup).not.to.be.null;
+      expect(userInPopup.uid).to.equal(uid);
+
+      await driver.call(CoreFunction.SIGN_OUT);
+      expect(await driver.getUserSnapshot()).to.be.null;
+      await driver.selectMainWindow({ noWait: true });
+      await new Promise(resolve => setTimeout(resolve, 500));
+      expect(await driver.getUserSnapshot()).to.be.null;
+
+      const cred2: UserCredential = await driver.call(
+        AnonFunction.SIGN_IN_ANONYMOUSLY
+      );
+      const uid2 = cred2.user.uid;
+
+      await driver.selectPopupWindow();
+      await new Promise(resolve => setTimeout(resolve, 500));
+      expect(await driver.getUserSnapshot()).to.contain({ uid: uid2 });
+    });
+  });
 });

packages-exp/auth-exp/test/integration/webdriver/static/persistence.js

@@ -134,7 +134,7 @@ function dbPromise(dbRequest) {
       reject(dbRequest.error);
     });
     dbRequest.addEventListener('blocked', () => {
-      reject(dbRequest.error || 'blocked');
+      reject('blocked');
     });
   });
 }

packages-exp/auth-exp/test/integration/webdriver/util/auth_driver.ts

@@ -200,14 +200,16 @@ export class AuthDriver {
       .window(handles.find(h => h !== currentWindowHandle)!);
   }
 
-  async selectMainWindow(): Promise<void> {
-    const condition = new Condition(
-      'Waiting for popup to close',
-      async driver => {
-        return (await driver.getAllWindowHandles()).length === 1;
-      }
-    );
-    await this.webDriver.wait(condition);
+  async selectMainWindow(options: { noWait?: boolean } = {}): Promise<void> {
+    if (!options.noWait) {
+      const condition = new Condition(
+        'Waiting for popup to close',
+        async driver => {
+          return (await driver.getAllWindowHandles()).length === 1;
+        }
+      );
+      await this.webDriver.wait(condition);
+    }
     const handles = await this.webDriver.getAllWindowHandles();
     return this.webDriver.switchTo().window(handles[0]);
   }
@@ -217,4 +219,14 @@ export class AuthDriver {
     await this.webDriver.close();
     return this.selectMainWindow();
   }
+
+  async closeExtraWindows(): Promise<void> {
+    const handles = await this.webDriver.getAllWindowHandles();
+    await this.webDriver.switchTo().window(handles[handles.length - 1]);
+    while (handles.length > 1) {
+      await this.webDriver.close();
+      handles.pop();
+      await this.webDriver.switchTo().window(handles[handles.length - 1]);
+    }
+  }
 }

packages-exp/auth-exp/test/integration/webdriver/util/test_runner.ts

@@ -69,6 +69,7 @@ setTimeout(() => {
       // It's assumed that the tests will start with a clean slate (i.e.
       // no storage).
       beforeEach(async () => {
+        await DRIVER.closeExtraWindows();
         await DRIVER.reset();
         await DRIVER.injectConfigAndInitAuth();
       });