feat: add more widget tests (#10)

* add `NumberPad` widget tests

* add `MockKeyManager` for `AccountDidPage` test

* add `AccountDidPage` widget test

frontend/test/features/account/account_did_page_test.dart

@@ -0,0 +1,31 @@
+import 'package:flutter_starter/features/account/account_did_page.dart';
+import 'package:flutter_starter/features/account/account_providers.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:web5_flutter/web5_flutter.dart';
+
+import '../../helpers/mocks.dart';
+import '../../helpers/widget_helpers.dart';
+
+void main() {
+  late MockKeyManager keyManager;
+
+  setUp(() {
+    keyManager = MockKeyManager();
+  });
+
+  group('AccountDidPage', () {
+    testWidgets('should show the DID', (tester) async {
+      const uri = 'did:example:123';
+
+      await tester.pumpWidget(
+        WidgetHelpers.testableWidget(child: const AccountDidPage(), overrides: [
+          didProvider.overrideWithValue(
+            DidJwk(uri: uri, keyManager: keyManager),
+          ),
+        ]),
+      );
+
+      expect(find.text(uri), findsOneWidget);
+    });
+  });
+}

frontend/test/helpers/mocks.dart

@@ -0,0 +1,4 @@
+import 'package:mocktail/mocktail.dart';
+import 'package:web5_flutter/web5_flutter.dart';
+
+class MockKeyManager extends Mock implements KeyManager {}

frontend/test/shared/number_pad_test.dart

@@ -0,0 +1,77 @@
+import 'package:flutter_starter/shared/number_pad.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import '../helpers/widget_helpers.dart';
+
+void main() {
+  List<String> numberKeys = [
+    '1',
+    '2',
+    '3',
+    '4',
+    '5',
+    '6',
+    '7',
+    '8',
+    '9',
+    '0',
+    '.',
+    '<',
+  ];
+
+  group('NumberPad', () {
+    testWidgets('should show all number keys', (tester) async {
+      await tester.pumpWidget(
+        WidgetHelpers.testableWidget(
+          child: NumberPad(
+            onKeyPressed: (key) {},
+            onDeletePressed: () {},
+          ),
+        ),
+      );
+
+      for (String key in numberKeys) {
+        expect(find.text(key), findsOneWidget);
+      }
+    });
+
+    testWidgets('should call onKeyPressed when a key is pressed',
+        (tester) async {
+      var pressedKey = '';
+      await tester.pumpWidget(
+        WidgetHelpers.testableWidget(
+          child: NumberPad(
+            onKeyPressed: (key) {
+              pressedKey = key;
+            },
+            onDeletePressed: () {},
+          ),
+        ),
+      );
+
+      // exclude the delete key '<'
+      for (String key in numberKeys.sublist(0, numberKeys.length - 1)) {
+        await tester.tap(find.text(key));
+        expect(pressedKey, key);
+      }
+    });
+
+    testWidgets('should call onDeletePressed when delete key is pressed',
+        (tester) async {
+      var deletePressed = false;
+      await tester.pumpWidget(
+        WidgetHelpers.testableWidget(
+          child: NumberPad(
+            onKeyPressed: (key) {},
+            onDeletePressed: () {
+              deletePressed = true;
+            },
+          ),
+        ),
+      );
+
+      await tester.tap(find.text('<'));
+      expect(deletePressed, true);
+    });
+  });
+}