105 lines
3.7 KiB
Dart
105 lines
3.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:provider/provider.dart';
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import 'package:fuel_tax_tracker/screens/main_shell.dart';
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import 'package:fuel_tax_tracker/services/app_state.dart';
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/// Confirms the bottom nav actually switches between the four tabs and
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/// that each one builds without crashing against a freshly-constructed,
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/// not-yet-synced [AppState] — the same "no cloud connected, no vehicles
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/// yet" state a real fresh install starts in.
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void main() {
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testWidgets('bottom nav switches between all four tabs', (tester) async {
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final appState = AppState()..isLoading = false;
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await tester.pumpWidget(
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ChangeNotifierProvider.value(
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value: appState,
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child: const MaterialApp(home: MainShell()),
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),
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);
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// Receipts is the default tab.
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expect(find.widgetWithText(AppBar, 'Receipts'), findsOneWidget);
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await tester.tap(find.widgetWithText(NavigationDestination, 'Vehicles'));
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await tester.pumpAndSettle();
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expect(find.widgetWithText(AppBar, 'Vehicles'), findsOneWidget);
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await tester.tap(find.widgetWithText(NavigationDestination, 'Reports'));
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await tester.pumpAndSettle();
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expect(find.widgetWithText(AppBar, 'Fuel Report'), findsOneWidget);
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await tester.tap(find.widgetWithText(NavigationDestination, 'Settings'));
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await tester.pumpAndSettle();
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expect(find.widgetWithText(AppBar, 'Settings'), findsOneWidget);
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await tester.tap(find.widgetWithText(NavigationDestination, 'Receipts'));
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await tester.pumpAndSettle();
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expect(find.widgetWithText(AppBar, 'Receipts'), findsOneWidget);
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});
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testWidgets('Receipts tab shows an empty state with no fuel entries yet', (tester) async {
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final appState = AppState()..isLoading = false;
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await tester.pumpWidget(
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ChangeNotifierProvider.value(
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value: appState,
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child: const MaterialApp(home: MainShell()),
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),
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);
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expect(find.textContaining('No fuel entries'), findsOneWidget);
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});
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testWidgets('a right-to-left swipe on the body advances to the next tab', (tester) async {
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final appState = AppState()..isLoading = false;
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await tester.pumpWidget(
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ChangeNotifierProvider.value(
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value: appState,
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child: const MaterialApp(home: MainShell()),
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),
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);
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expect(find.widgetWithText(AppBar, 'Receipts'), findsOneWidget);
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await tester.fling(find.byType(PageView), const Offset(-400, 0), 1000);
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await tester.pumpAndSettle();
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expect(find.widgetWithText(AppBar, 'Vehicles'), findsOneWidget);
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// And a left-to-right swipe goes back.
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await tester.fling(find.byType(PageView), const Offset(400, 0), 1000);
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await tester.pumpAndSettle();
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expect(find.widgetWithText(AppBar, 'Receipts'), findsOneWidget);
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});
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testWidgets(
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"swiping away from Receipts and back preserves its selected date range "
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'(AutomaticKeepAliveClientMixin keeping the tab alive across the PageView, '
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'not just the old IndexedStack)', (tester) async {
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final appState = AppState()..isLoading = false;
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await tester.pumpWidget(
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ChangeNotifierProvider.value(
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value: appState,
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child: const MaterialApp(home: MainShell()),
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),
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);
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await tester.tap(find.text('Last 3 Months'));
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await tester.pumpAndSettle();
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// Swipe all the way to Settings and back.
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await tester.tap(find.widgetWithText(NavigationDestination, 'Settings'));
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await tester.pumpAndSettle();
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await tester.tap(find.widgetWithText(NavigationDestination, 'Receipts'));
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await tester.pumpAndSettle();
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final selectedLabel = tester.widget<Text>(find.text('Last 3 Months'));
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expect((selectedLabel.style?.fontWeight), FontWeight.w800, reason: 'still the active range');
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});
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}
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