Add additional tests for EmailPasswordSignInContents, additional tester.pump() in signInWithEmailAndPassword helper

Author: bizz84

ecommerce_app/test/src/features/authentication/auth_robot.dart

@@ -1,4 +1,5 @@
 import 'package:ecommerce_app/src/common_widgets/alert_dialogs.dart';
+import 'package:ecommerce_app/src/common_widgets/custom_text_button.dart';
 import 'package:ecommerce_app/src/common_widgets/primary_button.dart';
 import 'package:ecommerce_app/src/features/authentication/data/fake_auth_repository.dart';
 import 'package:ecommerce_app/src/features/authentication/presentation/account/account_screen.dart';
@@ -49,6 +50,13 @@ class AuthRobot {
     await tester.pumpAndSettle();
   }
 
+  Future<void> tapFormToggleButton() async {
+    final toggleButton = find.byType(CustomTextButton);
+    expect(toggleButton, findsOneWidget);
+    await tester.tap(toggleButton);
+    await tester.pumpAndSettle();
+  }
+
   Future<void> enterEmail(String email) async {
     final emailField = find.byKey(EmailPasswordSignInScreen.emailKey);
     expect(emailField, findsOneWidget);
@@ -61,8 +69,19 @@ class AuthRobot {
     await tester.enterText(passwordField, password);
   }
 
+  void expectCreateAccountButtonFound() {
+    final dialogTitle = find.text('Create an account');
+    expect(dialogTitle, findsOneWidget);
+  }
+
+  void expectCreateAccountButtonNotFound() {
+    final dialogTitle = find.text('Create an account');
+    expect(dialogTitle, findsNothing);
+  }
+
   Future<void> signInWithEmailAndPassword() async {
     await enterEmail('[email protected]');
+    await tester.pump();
     await enterPassword('test1234');
     await tapEmailAndPasswordSubmitButton();
   }

ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_screen_test.dart

@@ -59,4 +59,109 @@ void main() {
       expect(didSignIn, true);
     });
   });
+
+  group('register', () {
+    testWidgets('''
+        Given formType is register
+        When tap on the sign-in button
+        Then createUserWithEmailAndPassword is not called
+        ''', (tester) async {
+      final r = AuthRobot(tester);
+      await r.pumpEmailPasswordSignInContents(
+        authRepository: authRepository,
+        formType: EmailPasswordSignInFormType.register,
+      );
+      await r.tapEmailAndPasswordSubmitButton();
+      verifyNever(() => authRepository.createUserWithEmailAndPassword(
+            any(),
+            any(),
+          ));
+    });
+    testWidgets('''
+        Given formType is register
+        When enter valid email
+        And enter password that is too short
+        And tap on the sign-in button
+        Then createUserWithEmailAndPassword is called
+        And onSignedIn callback is called
+        And error alert is not shown
+        ''', (tester) async {
+      final r = AuthRobot(tester);
+      when(() => authRepository.createUserWithEmailAndPassword(
+            testEmail,
+            testPassword,
+          )).thenAnswer((_) => Future.value());
+      await r.pumpEmailPasswordSignInContents(
+        authRepository: authRepository,
+        formType: EmailPasswordSignInFormType.register,
+      );
+      await r.enterEmail(testEmail);
+      await r.enterPassword(testPassword);
+      await r.tapEmailAndPasswordSubmitButton();
+      verifyNever(() => authRepository.createUserWithEmailAndPassword(
+            any(),
+            any(),
+          ));
+    });
+    testWidgets('''
+        Given formType is register
+        When enter valid email
+        And enter password that is long enough
+        And tap on the sign-in button
+        Then createUserWithEmailAndPassword is called
+        And onSignedIn callback is called
+        And error alert is not shown
+        ''', (tester) async {
+      var didSignIn = false;
+      final r = AuthRobot(tester);
+      const password = 'test1234'; // at least 8 characters to pass validation
+      when(() => authRepository.createUserWithEmailAndPassword(
+            testEmail,
+            password,
+          )).thenAnswer((_) => Future.value());
+      await r.pumpEmailPasswordSignInContents(
+        authRepository: authRepository,
+        formType: EmailPasswordSignInFormType.register,
+        onSignedIn: () => didSignIn = true,
+      );
+      await r.enterEmail(testEmail);
+      await r.enterPassword(password);
+      await r.tapEmailAndPasswordSubmitButton();
+      verify(() => authRepository.createUserWithEmailAndPassword(
+            testEmail,
+            password,
+          )).called(1);
+      r.expectErrorAlertNotFound();
+      expect(didSignIn, true);
+    });
+  });
+
+  group('updateFormType', () {
+    testWidgets('''
+        Given formType is sign in
+        When tap on the form toggle button
+        Then create account button is found
+        ''', (tester) async {
+      final r = AuthRobot(tester);
+      await r.pumpEmailPasswordSignInContents(
+        authRepository: authRepository,
+        formType: EmailPasswordSignInFormType.signIn,
+      );
+      await r.tapFormToggleButton();
+      r.expectCreateAccountButtonFound();
+    });
+    testWidgets('''
+        Given formType is sign in
+        When tap on the form toggle button
+        Then create account button is found
+        ''', (tester) async {
+      final r = AuthRobot(tester);
+      await r.pumpEmailPasswordSignInContents(
+        authRepository: authRepository,
+        formType: EmailPasswordSignInFormType.register,
+      );
+      await r.tapFormToggleButton();
+      r.expectCreateAccountButtonNotFound();
+    });
+  });
 }