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FilmsProvider tests
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Vadim
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1 changed files with 264 additions and 0 deletions
264
test/providers/films_provider_test.dart
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264
test/providers/films_provider_test.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:lightmeter/providers/films_provider.dart';
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import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
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import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
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import 'package:mocktail/mocktail.dart';
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class _MockIAPStorageService extends Mock implements IAPStorageService {}
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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late _MockIAPStorageService mockIAPStorageService;
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setUpAll(() {
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mockIAPStorageService = _MockIAPStorageService();
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});
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tearDown(() {
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reset(mockIAPStorageService);
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});
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Future<void> pumpTestWidget(WidgetTester tester, IAPProductStatus productStatus) async {
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await tester.pumpWidget(
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IAPProducts(
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products: [
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IAPProduct(
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storeId: IAPProductType.paidFeatures.storeId,
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status: productStatus,
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)
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],
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child: FilmsProvider(
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storageService: mockIAPStorageService,
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availableFilms: mockFilms,
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child: const _Application(),
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),
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),
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);
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}
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void expectFilmsCount(int count) {
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expect(find.text('Films count: $count'), findsOneWidget);
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}
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void expectFilmsInUseCount(int count) {
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expect(find.text('Films in use count: $count'), findsOneWidget);
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}
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void expectSelectedFilmName(String name) {
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expect(find.text('Selected film: $name'), findsOneWidget);
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}
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group(
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'FilmsProvider dependency on IAPProductStatus',
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() {
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setUp(() {
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when(() => mockIAPStorageService.selectedFilm).thenReturn(mockFilms.first);
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when(() => mockIAPStorageService.filmsInUse).thenReturn(mockFilms);
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});
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testWidgets(
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'IAPProductStatus.purchased - show all saved films',
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(tester) async {
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await pumpTestWidget(tester, IAPProductStatus.purchased);
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(mockFilms.length + 1);
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expectSelectedFilmName(mockFilms.first.name);
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},
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);
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testWidgets(
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'IAPProductStatus.purchasable - show only default',
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(tester) async {
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await pumpTestWidget(tester, IAPProductStatus.purchasable);
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(1);
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expectSelectedFilmName('');
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},
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);
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testWidgets(
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'IAPProductStatus.pending - show only default',
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(tester) async {
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await pumpTestWidget(tester, IAPProductStatus.pending);
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(1);
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expectSelectedFilmName('');
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},
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);
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},
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);
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group(
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'FilmsProvider CRUD',
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() {
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testWidgets(
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'Select films in use',
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(tester) async {
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when(() => mockIAPStorageService.selectedFilm).thenReturn(const Film.other());
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when(() => mockIAPStorageService.filmsInUse).thenReturn([]);
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/// Init
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await pumpTestWidget(tester, IAPProductStatus.purchased);
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(1);
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expectSelectedFilmName('');
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/// Select all filmsInUse
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await tester.tap(find.byKey(_Application.saveFilmsButtonKey(0)));
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await tester.pumpAndSettle();
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(mockFilms.length + 1);
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expectSelectedFilmName('');
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},
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);
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testWidgets(
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'Select film',
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(tester) async {
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when(() => mockIAPStorageService.selectedFilm).thenReturn(const Film.other());
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when(() => mockIAPStorageService.filmsInUse).thenReturn(mockFilms);
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/// Init
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await pumpTestWidget(tester, IAPProductStatus.purchased);
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(mockFilms.length + 1);
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expectSelectedFilmName('');
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/// Select all filmsInUse
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await tester.tap(find.byKey(_Application.setFilmButtonKey(0)));
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await tester.pumpAndSettle();
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(mockFilms.length + 1);
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expectSelectedFilmName(mockFilms.first.name);
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},
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);
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group(
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'Coming from free app',
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() {
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testWidgets(
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'Has selected film',
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(tester) async {
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when(() => mockIAPStorageService.selectedFilm).thenReturn(mockFilms[2]);
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when(() => mockIAPStorageService.filmsInUse).thenReturn([]);
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/// Init
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await pumpTestWidget(tester, IAPProductStatus.purchased);
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expectFilmsInUseCount(1);
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expectSelectedFilmName('');
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verify(() => mockIAPStorageService.selectedFilm = const Film.other()).called(1);
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},
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);
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testWidgets(
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'None film selected',
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(tester) async {
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when(() => mockIAPStorageService.selectedFilm).thenReturn(const Film.other());
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when(() => mockIAPStorageService.filmsInUse).thenReturn([]);
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/// Init
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await pumpTestWidget(tester, IAPProductStatus.purchased);
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expectFilmsInUseCount(1);
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expectSelectedFilmName('');
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verifyNever(() => mockIAPStorageService.selectedFilm = const Film.other());
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},
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);
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},
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);
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testWidgets(
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'Discard selected (by filmsInUse list update)',
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(tester) async {
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when(() => mockIAPStorageService.selectedFilm).thenReturn(mockFilms.first);
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when(() => mockIAPStorageService.filmsInUse).thenReturn(mockFilms);
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/// Init
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await pumpTestWidget(tester, IAPProductStatus.purchased);
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount(mockFilms.length + 1);
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expectSelectedFilmName(mockFilms.first.name);
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/// Select all filmsInUse except the first one
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await tester.tap(find.byKey(_Application.saveFilmsButtonKey(1)));
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await tester.pumpAndSettle();
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expectFilmsCount(mockFilms.length + 1);
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expectFilmsInUseCount((mockFilms.length - 1) + 1);
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expectSelectedFilmName('');
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},
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);
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},
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);
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}
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class _Application extends StatelessWidget {
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const _Application();
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static ValueKey saveFilmsButtonKey(int index) => ValueKey('saveFilmsButtonKey$index');
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static ValueKey setFilmButtonKey(int index) => ValueKey('setFilmButtonKey$index');
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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home: Scaffold(
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body: Center(
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child: Column(
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children: [
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Text("Films count: ${Films.of(context).length}"),
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Text("Films in use count: ${Films.inUseOf(context).length}"),
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Text("Selected film: ${Films.selectedOf(context).name}"),
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_filmRow(context, 0),
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_filmRow(context, 1),
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],
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),
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),
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),
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);
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}
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Widget _filmRow(BuildContext context, int index) {
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return Row(
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children: [
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ElevatedButton(
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key: saveFilmsButtonKey(index),
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onPressed: () {
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FilmsProvider.of(context).saveFilms(mockFilms.skip(index).toList());
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},
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child: const Text("Save filmsInUse"),
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),
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ElevatedButton(
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key: setFilmButtonKey(index),
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onPressed: () {
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FilmsProvider.of(context).setFilm(mockFilms[index]);
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},
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child: const Text("Set film"),
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),
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],
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);
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}
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}
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const mockFilms = [_MockFilm2x(), _MockFilm3x(), _MockFilm4x()];
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class _MockFilm2x extends Film {
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const _MockFilm2x() : super('Mock film 2x', 400);
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@override
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double reciprocityFormula(double t) => t * 2;
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}
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class _MockFilm3x extends Film {
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const _MockFilm3x() : super('Mock film 3x', 800);
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@override
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double reciprocityFormula(double t) => t * 3;
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}
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class _MockFilm4x extends Film {
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const _MockFilm4x() : super('Mock film 4x', 1600);
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@override
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double reciprocityFormula(double t) => t * 4;
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}
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