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Flutter tests: mock Firebase, add unit tests #71

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110 changes: 107 additions & 3 deletions pubspec.lock
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "4.3.0"
antlr4:
dependency: transitive
description:
name: antlr4
sha256: "752b4a6e4ad97953652a2b2bbf5377f46c94b579d3372b50080c7e5858234a05"
url: "https://pub.dev"
source: hosted
version: "4.13.2"
args:
dependency: transitive
description:
Expand Down Expand Up @@ -49,6 +57,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "2.1.2"
cel:
dependency: transitive
description:
name: cel
sha256: "51d77e16424d41b5fdb0a239be4c8a0550d4dd3f952801d35375ddd90cfb49da"
url: "https://pub.dev"
source: hosted
version: "0.5.4+1"
characters:
dependency: transitive
description:
Expand Down Expand Up @@ -121,6 +137,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "1.19.1"
convert:
dependency: transitive
description:
name: convert
sha256: b30acd5944035672bc15c6b7a8b47d773e41e2f17de064350988c5d02adb1c68
url: "https://pub.dev"
source: hosted
version: "3.1.2"
cross_file:
dependency: transitive
description:
Expand All @@ -145,6 +169,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "1.0.8"
dart_jsonwebtoken:
dependency: transitive
description:
name: dart_jsonwebtoken
sha256: cb79ed79baa02b4f59a597bf365873cbd83f9bb15273d63f7803802d21717c7d
url: "https://pub.dev"
source: hosted
version: "3.4.0"
equatable:
dependency: "direct main"
description:
Expand All @@ -161,6 +193,22 @@ packages:
url: "https://pub.dev"
source: hosted
version: "1.3.3"
fake_cloud_firestore:
dependency: "direct dev"
description:
name: fake_cloud_firestore
sha256: "95e01c95f956b31c62cb9fc54b8d51f32f1ae2909e6c0a5ce316da997e83a5c4"
url: "https://pub.dev"
source: hosted
version: "4.1.0+1"
fake_firebase_security_rules:
dependency: transitive
description:
name: fake_firebase_security_rules
sha256: "6af54bedfd6985451a9735f2cfac91ffe0128bfc92bf15e8544cd56c6941d6cc"
url: "https://pub.dev"
source: hosted
version: "0.5.4"
ffi:
dependency: transitive
description:
Expand Down Expand Up @@ -273,6 +321,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "6.3.0"
firebase_auth_mocks:
dependency: "direct dev"
description:
name: firebase_auth_mocks
sha256: ee1076150ea51d181ae24d5f8e2686a1926b7cc54e25c0deaa8ac58705025551
url: "https://pub.dev"
source: hosted
version: "0.15.1"
firebase_auth_platform_interface:
dependency: transitive
description:
Expand All @@ -298,7 +354,7 @@ packages:
source: hosted
version: "4.6.0"
firebase_core_platform_interface:
dependency: transitive
dependency: "direct dev"
description:
name: firebase_core_platform_interface
sha256: "0ecda14c1bfc9ed8cac303dd0f8d04a320811b479362a9a4efb14fd331a473ce"
Expand Down Expand Up @@ -608,6 +664,22 @@ packages:
url: "https://pub.dev"
source: hosted
version: "3.0.1"
logger:
dependency: transitive
description:
name: logger
sha256: "25aee487596a6257655a1e091ec2ae66bc30e7af663592cc3a27e6591e05035c"
url: "https://pub.dev"
source: hosted
version: "2.7.0"
logging:
dependency: transitive
description:
name: logging
sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
url: "https://pub.dev"
source: hosted
version: "1.3.0"
matcher:
dependency: transitive
description:
Expand Down Expand Up @@ -640,6 +712,22 @@ packages:
url: "https://pub.dev"
source: hosted
version: "2.0.0"
mock_exceptions:
dependency: transitive
description:
name: mock_exceptions
sha256: "6e3e623712d2c6106ffe9e14732912522b565ddaa82a8dcee6cd4441b5984056"
url: "https://pub.dev"
source: hosted
version: "0.8.2"
more:
dependency: transitive
description:
name: more
sha256: e252628d2183cc09539b686abfbd9d8302675959b89a2a8146f5f4baca6ac5ba
url: "https://pub.dev"
source: hosted
version: "4.7.0"
nested:
dependency: transitive
description:
Expand Down Expand Up @@ -736,6 +824,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "2.1.8"
pointycastle:
dependency: transitive
description:
name: pointycastle
sha256: "92aa3841d083cc4b0f4709b5c74fd6409a3e6ba833ffc7dc6a8fee096366acf5"
url: "https://pub.dev"
source: hosted
version: "4.0.0"
provider:
dependency: transitive
description:
Expand All @@ -744,14 +840,22 @@ packages:
url: "https://pub.dev"
source: hosted
version: "6.1.5+1"
rx:
dependency: transitive
description:
name: rx
sha256: "7f54bd39cc63a01c770c1de4b6ce8e135eb13119614cba2216bd9a93ccd29e56"
url: "https://pub.dev"
source: hosted
version: "0.4.0"
rxdart:
dependency: "direct main"
description:
name: rxdart
sha256: "0c7c0cedd93788d996e33041ffecda924cc54389199cde4e6a34b440f50044cb"
sha256: "5c3004a4a8dbb94bd4bf5412a4def4acdaa12e12f269737a5751369e12d1a962"
url: "https://pub.dev"
source: hosted
version: "0.27.7"
version: "0.28.0"
shared_preferences:
dependency: "direct main"
description:
Expand Down
5 changes: 4 additions & 1 deletion pubspec.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ dependencies:
equatable: ^2.0.5
meta: ^1.8.0
font_awesome_flutter: ^10.2.1
rxdart: ^0.27.5
rxdart: ^0.28.0
animated_text_kit: ^4.2.2
shared_preferences: ^2.2.2
google_fonts: ^6.2.1
Expand All @@ -48,6 +48,9 @@ dependencies:
dev_dependencies:
flutter_test:
sdk: flutter
firebase_core_platform_interface: ^6.0.0
fake_cloud_firestore: ^4.0.0
firebase_auth_mocks: ^0.15.0


# For information on the generic Dart part of this file, see the
Expand Down
107 changes: 107 additions & 0 deletions test/widget_test.dart
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Original file line number Diff line number Diff line change
@@ -1,7 +1,48 @@
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:fake_cloud_firestore/fake_cloud_firestore.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_auth_mocks/firebase_auth_mocks.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_core_platform_interface/firebase_core_platform_interface.dart';
import 'package:firebase_core_platform_interface/test.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:postbox_game/main.dart';
import 'package:postbox_game/theme.dart';
import 'package:postbox_game/user_repository.dart';

// ---------------------------------------------------------------------------
// Firebase mock setup
// ---------------------------------------------------------------------------

/// Call once per test run (or in setUp) to initialise the Firebase platform
/// mock so that Firebase.initializeApp() succeeds without hitting real servers.
Future<void> setupFirebaseMocks() async {
TestWidgetsFlutterBinding.ensureInitialized();
setupFirebaseCoreMocks();
await Firebase.initializeApp();
}

// ---------------------------------------------------------------------------
// Widget-level smoke tests
// ---------------------------------------------------------------------------

void main() {
setUpAll(setupFirebaseMocks);

group('App smoke tests', () {
testWidgets('PostboxGame widget tree renders without crashing', (tester) async {
await tester.pumpWidget(PostboxGame());
await tester.pump(); // process one frame
// Should show SplashScreen or LoginScreen (Firebase is mocked)
expect(find.byType(MaterialApp), findsOneWidget);
});
});

// ---------------------------------------------------------------------------
// AppSpacing unit tests (from phase4-polish)
// ---------------------------------------------------------------------------

group('AppSpacing', () {
test('spacing scale is strictly increasing', () {
expect(AppSpacing.xs, lessThan(AppSpacing.sm));
Expand All @@ -15,4 +56,70 @@ void main() {
expect(AppSpacing.xs, greaterThan(0));
});
});

// ---------------------------------------------------------------------------
// UserRepository unit tests
// ---------------------------------------------------------------------------

group('UserRepository', () {
late FakeFirebaseFirestore fakeFirestore;
late MockFirebaseAuth mockAuth;
late UserRepository repo;

setUp(() {
fakeFirestore = FakeFirebaseFirestore();
mockAuth = MockFirebaseAuth();
repo = UserRepository(
firebaseAuth: mockAuth,
firestore: fakeFirestore,
);
});

test('signUp writes displayName to Firestore', () async {
// MockFirebaseAuth creates a user automatically on signUp.
await repo.signUp(email: 'test@example.com', password: 'password123');

final uid = mockAuth.currentUser?.uid;
expect(uid, isNotNull);

final doc = await fakeFirestore.collection('users').doc(uid).get();
expect(doc.data()?['displayName'], equals('test'));
});

test('getDisplayName returns stored name', () async {
const uid = 'user-abc';
await fakeFirestore.collection('users').doc(uid).set({'displayName': 'Postbox Pete'});

final name = await repo.getDisplayName(uid);
expect(name, equals('Postbox Pete'));
});

test('getDisplayName returns null for unknown uid', () async {
final name = await repo.getDisplayName('nonexistent-uid');
expect(name, isNull);
});

test('isSignedIn returns false when no user', () async {
final signedIn = await repo.isSignedIn();
expect(signedIn, isFalse);
});

test('isSignedIn returns true when a user is signed in', () async {
final auth = MockFirebaseAuth(signedIn: true);
final repo = UserRepository(firebaseAuth: auth, firestore: fakeFirestore);
expect(await repo.isSignedIn(), isTrue);
});

test('signUp writes email to Firestore', () async {
await repo.signUp(email: 'alice@example.com', password: 'password');
final uid = mockAuth.currentUser?.uid;
expect(uid, isNotNull);
final doc = await fakeFirestore
.collection('users')
.doc(uid)
.get();
expect(doc.data()?['email'], equals('alice@example.com'));
});
});

}
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