Added widget tests

lib/src/services/profile_service.dart

@@ -11,9 +11,10 @@ import 'package:profile/profile.dart';
 abstract class ProfileService {
   const ProfileService();
 
-  deleteProfile() {}
+  deleteProfile() async {}
 
-  editProfile<T extends ProfileData>(User user, String key, String value) {
+  editProfile<T extends ProfileData>(
+      User user, String key, String value) async {
     if (user.profileData != null) {
       var map = user.profileData!.toMap();
       if (map.containsKey(key)) {

lib/src/widgets/item_builder/item_builder.dart

@@ -31,6 +31,7 @@ class ItemBuilder {
       return Form(
         key: formKey,
         child: TextFormField(
+          key: Key(key),
           controller: controller,
           decoration: inputDecoration,
           readOnly: options.readOnly,

test/profile_test.dart

@@ -1 +1,94 @@
-// todo
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:profile/profile.dart';
+
+import 'test_classes/test_profile_data.dart';
+import 'test_classes/test_profile_service.dart';
+
+void main() {
+  testWidgets('Profile page with preset values', (tester) async {
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Material(
+          child: ProfilePage(
+            user: User(
+              'Firstname',
+              'Lastname',
+              Uint8List.fromList([]),
+              TestProfileData(email: 'test@email.com'),
+            ),
+            service: TestProfileService(),
+          ),
+        ),
+      ),
+    );
+
+    final firstNameFinder = find.text('Firstname');
+    final lastNameFinder = find.text('Lastname');
+    final emailFinder = find.text('test@email.com');
+
+    expect(firstNameFinder, findsOneWidget);
+    expect(lastNameFinder, findsOneWidget);
+    expect(emailFinder, findsOneWidget);
+  });
+
+  testWidgets('Profile page without preset value', (tester) async {
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Material(
+          child: ProfilePage(
+            user: User(
+              null,
+              null,
+              null,
+              TestProfileData(email: null),
+            ),
+            service: TestProfileService(),
+          ),
+        ),
+      ),
+    );
+  });
+
+  testWidgets('Profile page with preset value and changing them',
+      (tester) async {
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Material(
+          child: ProfilePage(
+            user: User(
+              'Firstname',
+              'Lastname',
+              null,
+              TestProfileData(email: 'test@email.com'),
+            ),
+            service: TestProfileService(),
+          ),
+        ),
+      ),
+    );
+
+    await tester.enterText(find.text('Firstname'), 'FirstEditedName');
+    await tester.testTextInput.receiveAction(TextInputAction.send);
+    await tester.pump();
+
+    await tester.enterText(find.text('test@email.com'), 'edited@emial.com');
+    await tester.testTextInput.receiveAction(TextInputAction.send);
+    await tester.pump();
+
+    final firstNameFinder = find.text('Firstname');
+    final firstNameEditedFinder = find.text('FirstEditedName');
+
+    final lastNameFinder = find.text('Lastname');
+
+    final emailFinder = find.text('test@email.com');
+    final emailEditedFinder = find.text('edited@emial.com');
+
+    expect(firstNameFinder, findsNothing);
+    expect(firstNameEditedFinder, findsOneWidget);
+    expect(lastNameFinder, findsOneWidget);
+    expect(emailFinder, findsNothing);
+    expect(emailEditedFinder, findsOneWidget);
+  });
+}

test/test_classes/test_profile_data.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+import 'package:profile/profile.dart';
+
+class TestProfileData extends ProfileData {
+  TestProfileData({
+    this.email,
+  });
+
+  String? email;
+
+  @override
+  Map<String, dynamic> mapWidget(
+    VoidCallback update,
+    BuildContext context,
+  ) {
+    return {
+      'email': null,
+    };
+  }
+
+  @override
+  ProfileData fromMap(Map<String, dynamic> data) {
+    return TestProfileData(
+      email: data['email'],
+    );
+  }
+
+  @override
+  Map<String, dynamic> toMap() {
+    return {
+      'email': email,
+    };
+  }
+
+  @override
+  ProfileData create() {
+    return TestProfileData();
+  }
+}

test/test_classes/test_profile_service.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+import 'package:profile/profile.dart';
+
+class TestProfileService extends ProfileService {
+  TestProfileService();
+
+  @override
+  void deleteProfile() {
+    super.deleteProfile();
+  }
+
+  @override
+  void editProfile<T extends ProfileData>(
+    User<ProfileData> user,
+    String key,
+    String value,
+  ) {
+    super.editProfile(user, key, value);
+  }
+
+  @override
+  Future<void> uploadImage(BuildContext context) async {
+    super.uploadImage(context);
+  }
+}