diff --git a/bridge/e2e/auth/module.e2e.js b/bridge/e2e/auth/module.e2e.js
index 4550ebda..350feda5 100644
--- a/bridge/e2e/auth/module.e2e.js
+++ b/bridge/e2e/auth/module.e2e.js
@@ -1,17 +1,4 @@
-const randomString = (length, chars) => {
-  let mask = '';
-  if (chars.indexOf('a') > -1) mask += 'abcdefghijklmnopqrstuvwxyz';
-  if (chars.indexOf('A') > -1) mask += 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
-  if (chars.indexOf('#') > -1) mask += '0123456789';
-  if (chars.indexOf('!') > -1) mask += '~`!@#$%^&*()_+-={}[]:";\'<>?,./|\\';
-  let result = '';
-  for (let i = length; i > 0; --i) {
-    result += mask[Math.round(Math.random() * (mask.length - 1))];
-  }
-  return result;
-};
-
-describe.only('auth()', () => {
+describe('auth()', () => {
   beforeEach(async () => {
     // await device.reloadReactNative();
   });
diff --git a/bridge/e2e/auth/user.e2e.js b/bridge/e2e/auth/user.e2e.js
new file mode 100644
index 00000000..3bfc4b81
--- /dev/null
+++ b/bridge/e2e/auth/user.e2e.js
@@ -0,0 +1,485 @@
+describe.only('auth().currentUser', () => {
+  describe('getIdToken()', () => {
+    it('should return a token', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      const newUser = await firebase
+        .auth()
+        .createUserWithEmailAndPassword(email, pass);
+
+      // Test
+      const token = await newUser.getIdToken();
+
+      // Assertions
+      token.should.be.a.String();
+      token.length.should.be.greaterThan(24);
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('getToken()', () => {
+    it('should return a token', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      const newUser = await firebase
+        .auth()
+        .createUserWithEmailAndPassword(email, pass);
+
+      // Test
+      const token = await newUser.getToken();
+
+      // Assertions
+      token.should.be.a.String();
+      token.length.should.be.greaterThan(24);
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('linkWithCredential()', () => {
+    it('should link anonymous account <-> email account', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      const currentUser = firebase.auth().currentUser;
+
+      // Test
+      const credential = firebase.auth.EmailAuthProvider.credential(
+        email,
+        pass
+      );
+
+      const linkedUser = await currentUser.linkWithCredential(credential);
+
+      // Assertions
+      linkedUser.should.be.an.Object();
+      linkedUser.should.equal(firebase.auth().currentUser);
+      linkedUser.email.toLowerCase().should.equal(email.toLowerCase());
+      linkedUser.isAnonymous.should.equal(false);
+      linkedUser.providerId.should.equal('firebase');
+      linkedUser.providerData.should.be.an.Array();
+      linkedUser.providerData.length.should.equal(1);
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+
+    it('should error on link anon <-> email if email already exists', async () => {
+      const email = 'test@test.com';
+      const pass = 'test1234';
+
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      const currentUser = firebase.auth().currentUser;
+
+      // Test
+      try {
+        const credential = firebase.auth.EmailAuthProvider.credential(
+          email,
+          pass
+        );
+        await currentUser.linkWithCredential(credential);
+
+        // Clean up
+        await firebase.auth().signOut();
+
+        // Reject
+        Promise.reject(new Error('Did not error on link'));
+      } catch (error) {
+        // Assertions
+        error.code.should.equal('auth/email-already-in-use');
+        error.message.should.equal(
+          'The email address is already in use by another account.'
+        );
+
+        // Clean up
+        await firebase.auth().currentUser.delete();
+      }
+    });
+  });
+
+  describe('linkAndRetrieveDataWithCredential()', () => {
+    it('should link anonymous account <-> email account', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      const currentUser = firebase.auth().currentUser;
+
+      // Test
+      const credential = firebase.auth.EmailAuthProvider.credential(
+        email,
+        pass
+      );
+
+      const linkedUserCredential = await currentUser.linkAndRetrieveDataWithCredential(
+        credential
+      );
+
+      // Assertions
+      const linkedUser = linkedUserCredential.user;
+      linkedUser.should.be.an.Object();
+      linkedUser.should.equal(firebase.auth().currentUser);
+      linkedUser.email.toLowerCase().should.equal(email.toLowerCase());
+      linkedUser.isAnonymous.should.equal(false);
+      linkedUser.providerId.should.equal('firebase');
+      linkedUser.providerData.should.be.an.Array();
+      linkedUser.providerData.length.should.equal(1);
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+
+    it('should error on link anon <-> email if email already exists', async () => {
+      const email = 'test@test.com';
+      const pass = 'test1234';
+
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      const currentUser = firebase.auth().currentUser;
+
+      // Test
+      try {
+        const credential = firebase.auth.EmailAuthProvider.credential(
+          email,
+          pass
+        );
+        await currentUser.linkAndRetrieveDataWithCredential(credential);
+
+        // Clean up
+        await firebase.auth().signOut();
+
+        // Reject
+        Promise.reject(new Error('Did not error on link'));
+      } catch (error) {
+        // Assertions
+        error.code.should.equal('auth/email-already-in-use');
+        error.message.should.equal(
+          'The email address is already in use by another account.'
+        );
+
+        // Clean up
+        await firebase.auth().currentUser.delete();
+      }
+    });
+  });
+
+  describe('reauthenticateWithCredential()', () => {
+    it('should reauthenticate correctly', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      await firebase
+        .auth()
+        .createUserAndRetrieveDataWithEmailAndPassword(email, pass);
+
+      // Test
+      const credential = firebase.auth.EmailAuthProvider.credential(
+        email,
+        pass
+      );
+      await firebase
+        .auth()
+        .currentUser.reauthenticateWithCredential(credential);
+
+      // Assertions
+      const currentUser = firebase.auth().currentUser;
+      currentUser.email.should.equal(email.toLowerCase());
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('reauthenticateAndRetrieveDataWithCredential()', () => {
+    it('should reauthenticate correctly', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      await firebase
+        .auth()
+        .createUserAndRetrieveDataWithEmailAndPassword(email, pass);
+
+      // Test
+      const credential = firebase.auth.EmailAuthProvider.credential(
+        email,
+        pass
+      );
+      await firebase
+        .auth()
+        .currentUser.reauthenticateAndRetrieveDataWithCredential(credential);
+
+      // Assertions
+      const currentUser = firebase.auth().currentUser;
+      currentUser.email.should.equal(email.toLowerCase());
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('reload()', () => {
+    it('should not error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+
+      try {
+        await firebase.auth().currentUser.reload();
+        await firebase.auth().signOut();
+      } catch (error) {
+        // Reject
+        await firebase.auth().signOut();
+        Promise.reject(new Error('reload() caused an error', error));
+      }
+    });
+  });
+
+  describe('sendEmailVerification()', () => {
+    it('should not error', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      await firebase
+        .auth()
+        .createUserAndRetrieveDataWithEmailAndPassword(email, pass);
+
+      try {
+        await firebase.auth().currentUser.sendEmailVerification();
+        await firebase.auth().currentUser.delete();
+      } catch (error) {
+        // Reject
+        await firebase.auth().currentUser.delete();
+        Promise.reject(
+          new Error('sendEmailVerification() caused an error', error)
+        );
+      }
+    });
+  });
+
+  describe('unlink()', () => {
+    it('should unlink the email address', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      const currentUser = firebase.auth().currentUser;
+
+      const credential = firebase.auth.EmailAuthProvider.credential(
+        email,
+        pass
+      );
+      await currentUser.linkAndRetrieveDataWithCredential(credential);
+
+      // Test
+      await currentUser.unlink(firebase.auth.EmailAuthProvider.PROVIDER_ID);
+
+      // Assertions
+      const unlinkedUser = firebase.auth().currentUser;
+      unlinkedUser.providerData.should.be.an.Array();
+      unlinkedUser.providerData.length.should.equal(0);
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('updateEmail()', () => {
+    it('should update the email address', async () => {
+      const random = randomString(12, '#aA');
+      const random2 = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const email2 = `${random2}@${random2}.com`;
+      const pass = random;
+
+      // Setup
+      await firebase
+        .auth()
+        .createUserAndRetrieveDataWithEmailAndPassword(email, pass);
+      firebase
+        .auth()
+        .currentUser.email.toLowerCase()
+        .should.equal(email.toLowerCase());
+
+      // Update user email
+      await firebase.auth().currentUser.updateEmail(email2);
+
+      // Assertions
+      firebase
+        .auth()
+        .currentUser.email.toLowerCase()
+        .should.equal(email2.toLowerCase());
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('updatePassword()', () => {
+    it('should update the password', async () => {
+      const random = randomString(12, '#aA');
+      const random2 = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+      const pass2 = random2;
+
+      // Setup
+      await firebase
+        .auth()
+        .createUserAndRetrieveDataWithEmailAndPassword(email, pass);
+
+      // Update user password
+      await firebase.auth().currentUser.updatePassword(pass2);
+
+      // Sign out
+      await firebase.auth().signOut();
+
+      // Log in with the new password
+      await firebase
+        .auth()
+        .signInAndRetrieveDataWithEmailAndPassword(email, pass2);
+
+      // Assertions
+      firebase.auth().currentUser.should.be.an.Object();
+      firebase.auth().currentUser.email.should.equal(email.toLowerCase());
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('updateProfile()', () => {
+    it('should update the profile', async () => {
+      const random = randomString(12, '#aA');
+      const email = `${random}@${random}.com`;
+      const pass = random;
+      const displayName = random;
+      const photoURL = `http://${random}.com/${random}.jpg`;
+
+      // Setup
+      await firebase
+        .auth()
+        .createUserAndRetrieveDataWithEmailAndPassword(email, pass);
+
+      // Update user profile
+      await firebase.auth().currentUser.updateProfile({
+        displayName,
+        photoURL,
+      });
+
+      // Assertions
+      const user = firebase.auth().currentUser;
+      user.should.be.an.Object();
+      user.email.should.equal(email.toLowerCase());
+      user.displayName.should.equal(displayName);
+      user.photoURL.should.equal(photoURL);
+
+      // Clean up
+      await firebase.auth().currentUser.delete();
+    });
+  });
+
+  describe('linkWithPhoneNumber()', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => {
+        firebase.auth().currentUser.linkWithPhoneNumber();
+      }).should.throw(
+        'User.linkWithPhoneNumber() is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+
+  describe('linkWithPopup()', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => {
+        firebase.auth().currentUser.linkWithPopup();
+      }).should.throw(
+        'User.linkWithPopup() is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+
+  describe('linkWithRedirect()', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => {
+        firebase.auth().currentUser.linkWithRedirect();
+      }).should.throw(
+        'User.linkWithRedirect() is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+
+  describe('reauthenticateWithPhoneNumber()', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => {
+        firebase.auth().currentUser.reauthenticateWithPhoneNumber();
+      }).should.throw(
+        'User.reauthenticateWithPhoneNumber() is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+
+  describe('reauthenticateWithPopup()', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => {
+        firebase.auth().currentUser.reauthenticateWithPopup();
+      }).should.throw(
+        'User.reauthenticateWithPopup() is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+
+  describe('reauthenticateWithRedirect()', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => {
+        firebase.auth().currentUser.reauthenticateWithRedirect();
+      }).should.throw(
+        'User.reauthenticateWithRedirect() is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+
+  describe('updatePhoneNumber()', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => {
+        firebase.auth().currentUser.updatePhoneNumber();
+      }).should.throw(
+        'User.updatePhoneNumber() is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+
+  describe('refreshToken', () => {
+    it('should throw an unsupported error', async () => {
+      await firebase.auth().signInAnonymouslyAndRetrieveData();
+      (() => firebase.auth().currentUser.refreshToken).should.throw(
+        'User.refreshToken is unsupported by the native Firebase SDKs.'
+      );
+      await firebase.auth().signOut();
+    });
+  });
+});
diff --git a/bridge/e2e/init.js b/bridge/e2e/init.js
index ec663762..f4684061 100755
--- a/bridge/e2e/init.js
+++ b/bridge/e2e/init.js
@@ -23,3 +23,16 @@ global.sleep = duration =>
   new Promise(resolve => {
     setTimeout(resolve, duration);
   });
+
+global.randomString = (length, chars) => {
+  let mask = '';
+  if (chars.indexOf('a') > -1) mask += 'abcdefghijklmnopqrstuvwxyz';
+  if (chars.indexOf('A') > -1) mask += 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+  if (chars.indexOf('#') > -1) mask += '0123456789';
+  if (chars.indexOf('!') > -1) mask += '~`!@#$%^&*()_+-={}[]:";\'<>?,./|\\';
+  let result = '';
+  for (let i = length; i > 0; --i) {
+    result += mask[Math.round(Math.random() * (mask.length - 1))];
+  }
+  return result;
+};