[ermine] Add more widget tests for App widget.
Test: Adds unittest to toggle between overview and home widgets. Also
switches locales.
Change-Id: Ie0343f149eb45719d27610d1cfa89a46a3d64b66
Reviewed-on: https://fuchsia-review.googlesource.com/c/experiences/+/383810
Commit-Queue: Sanjay Chouksey <sanjayc@google.com>
Reviewed-by: Yeonhee Lee <yhlee@google.com>
Testability-Review: Chase Latta <chaselatta@google.com>
diff --git a/session_shells/ermine/shell/lib/src/widgets/app.dart b/session_shells/ermine/shell/lib/src/widgets/app.dart
index 630443e..b99a8b1 100644
--- a/session_shells/ermine/shell/lib/src/widgets/app.dart
+++ b/session_shells/ermine/shell/lib/src/widgets/app.dart
@@ -53,18 +53,27 @@
fit: StackFit.expand,
children: <Widget>[
// Recents.
- RecentsContainer(model: model),
+ buildRecents(model),
// Overview or Home.
AnimatedBuilder(
animation: model.overviewVisibility,
builder: (context, _) => model.overviewVisibility.value
- ? OverviewContainer(model: model)
- : HomeContainer(model: model),
+ ? buildOverview(model)
+ : buildHome(model),
),
],
)),
);
});
}
+
+ @visibleForTesting
+ Widget buildRecents(AppModel model) => RecentsContainer(model: model);
+
+ @visibleForTesting
+ Widget buildOverview(AppModel model) => OverviewContainer(model: model);
+
+ @visibleForTesting
+ Widget buildHome(AppModel model) => HomeContainer(model: model);
}
diff --git a/session_shells/ermine/shell/test/app_widget_test.dart b/session_shells/ermine/shell/test/app_widget_test.dart
index 6361930..c52a72a 100644
--- a/session_shells/ermine/shell/test/app_widget_test.dart
+++ b/session_shells/ermine/shell/test/app_widget_test.dart
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-import 'dart:ui';
+import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
@@ -17,20 +17,82 @@
void main() async {
setupLogger(name: 'ermine_unittests');
+ TestApp app;
+ MockAppModel model;
+ StreamController<Locale> controller;
+
+ setUp(() {
+ model = MockAppModel();
+ app = TestApp(model);
+
+ controller = StreamController<Locale>();
+ when(model.localeStream).thenAnswer((_) => controller.stream);
+ });
+
+ tearDown(() async {
+ await controller.close();
+ });
+
testWidgets('Test locale change', (tester) async {
- final swissFrench = Locale('fr', 'CH');
+ when(model.overviewVisibility).thenReturn(ValueNotifier<bool>(true));
- final model = MockAppModel();
- when(model.localeStream).thenAnswer(
- (_) => Stream<Locale>.value(swissFrench).asBroadcastStream());
- when(model.overviewVisibility).thenReturn(ValueNotifier<bool>(false));
-
- final app = App(model: model);
await tester.pumpWidget(app);
- // Pump widget for StreamBuilder<Locale>.
- await tester.pump();
+ // app should be OffStage until locale is pushed.
+ expect(find.byType(MaterialApp), findsNothing);
+
+ // Set default locale.
+ final defaultLocale = Locale('en', 'US');
+ controller.add(defaultLocale);
+ await tester.pumpAndSettle();
+ expect(Intl.defaultLocale, defaultLocale.toString());
+
+ // Switch locale to swiss french.
+ final swissFrench = Locale('fr', 'CH');
+ controller.add(swissFrench);
+ await tester.pumpAndSettle();
expect(Intl.defaultLocale, swissFrench.toString());
});
+
+ testWidgets('Toggle between overview and home containers', (tester) async {
+ // Set locale to render the app.
+ controller.add(Locale('en', 'US'));
+
+ // Make Overview visible.
+ final overviewNotifier = ValueNotifier<bool>(true);
+ when(model.overviewVisibility).thenReturn(overviewNotifier);
+
+ await tester.pumpWidget(app);
+ await tester.pumpAndSettle();
+
+ expect(find.byWidget(app.recents), findsOneWidget);
+ expect(find.byWidget(app.overview), findsOneWidget);
+ expect(find.byWidget(app.home), findsNothing);
+
+ // Home should be visible.
+ overviewNotifier.value = false;
+ await tester.pumpAndSettle();
+
+ expect(find.byWidget(app.recents), findsOneWidget);
+ expect(find.byWidget(app.overview), findsNothing);
+ expect(find.byWidget(app.home), findsOneWidget);
+ });
+}
+
+class TestApp extends App {
+ final Widget overview = Container();
+ final Widget home = Container();
+ final Widget recents = Container();
+
+ TestApp(AppModel model) : super(model: model);
+
+ @override
+ Widget buildRecents(AppModel model) => recents;
+
+ @override
+ Widget buildOverview(AppModel model) => overview;
+
+ @override
+ Widget buildHome(AppModel model) => home;
}
class MockAppModel extends Mock implements AppModel {}
