m3_lightmeter/integration_test/e2e_test.dart

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import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:lightmeter/data/models/ev_source_type.dart';
import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
import 'package:lightmeter/data/shared_prefs_service.dart';
import 'package:lightmeter/generated/l10n.dart';
import 'package:lightmeter/res/dimens.dart';
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import 'package:lightmeter/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart';
import 'package:lightmeter/screens/metering/components/shared/readings_container/components/equipment_profile_picker/widget_picker_equipment_profiles.dart';
import 'package:lightmeter/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart';
import 'package:lightmeter/screens/metering/components/shared/readings_container/components/iso_picker/widget_picker_iso.dart';
import 'package:lightmeter/screens/metering/components/shared/readings_container/components/nd_picker/widget_picker_nd.dart';
import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/components/dialog_picker/widget_picker_dialog.dart';
import 'package:lightmeter/screens/settings/components/shared/dialog_filter/widget_dialog_filter.dart';
import 'package:lightmeter/screens/settings/components/shared/dialog_range_picker/widget_dialog_picker_range.dart';
import 'package:lightmeter/screens/settings/screen_settings.dart';
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import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
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import 'package:meta/meta.dart';
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import 'package:shared_preferences/shared_preferences.dart';
import '../integration_test/utils/widget_tester_actions.dart';
import 'mocks/paid_features_mock.dart';
import 'utils/expectations.dart';
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@isTest
void testE2E(String description) {
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setUp(() {
SharedPreferences.setMockInitialValues({
/// Metering values
UserPreferencesService.evSourceTypeKey: EvSourceType.camera.index,
UserPreferencesService.meteringScreenLayoutKey: json.encode(
{
MeteringScreenLayoutFeature.equipmentProfiles: true,
MeteringScreenLayoutFeature.extremeExposurePairs: true,
MeteringScreenLayoutFeature.filmPicker: true,
}.toJson(),
),
});
});
testWidgets(
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description,
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(tester) async {
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await tester.pumpApplication(equipmentProfiles: [], films: []);
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/// Create Praktica + Zenitar profile from scratch
await tester.openSettings();
await tester.tapDescendantTextOf<SettingsScreen>(S.current.equipmentProfiles);
await tester.tap(find.byIcon(Icons.add).first);
await tester.pumpAndSettle();
await tester.setProfileName(mockEquipmentProfiles[0].name);
await tester.expandEquipmentProfileContainer(mockEquipmentProfiles[0].name);
await tester.setIsoValues(0, mockEquipmentProfiles[0].isoValues);
await tester.setNdValues(0, mockEquipmentProfiles[0].ndValues);
await tester.setApertureValues(0, mockEquipmentProfiles[0].apertureValues);
await tester.setShutterSpeedValues(0, mockEquipmentProfiles[0].shutterSpeedValues);
expect(find.text('f/1.7 - f/16'), findsOneWidget);
expect(find.text('1/1000 - 16"'), findsOneWidget);
/// Create Praktica + Jupiter profile from Zenitar profile
await tester.tap(find.byIcon(Icons.copy).first);
await tester.pumpAndSettle();
await tester.setProfileName(mockEquipmentProfiles[1].name);
await tester.expandEquipmentProfileContainer(mockEquipmentProfiles[1].name);
await tester.setApertureValues(1, mockEquipmentProfiles[1].apertureValues);
expect(find.text('f/3.5 - f/22'), findsOneWidget);
expect(find.text('1/1000 - 16"'), findsNWidgets(2));
await tester.navigatorPop();
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/// Select some films
await tester.tap(find.text(S.current.filmsInUse));
await tester.pumpAndSettle();
await tester.setDialogFilterValues<Film>([mockFilms[0], mockFilms[1]], deselectAll: false);
await tester.navigatorPop();
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/// Select some initial settings according to the selected gear and film
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/// Then take a photo and verify, that exposure pairs range and EV matches the selected settings
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await tester.openPickerAndSelect<EquipmentProfilePicker, EquipmentProfile>(mockEquipmentProfiles[0].name);
await tester.openPickerAndSelect<FilmPicker, Film>(mockFilms[0].name);
await tester.openPickerAndSelect<IsoValuePicker, IsoValue>('400');
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expectPickerTitle<EquipmentProfilePicker>(mockEquipmentProfiles[0].name);
expectPickerTitle<FilmPicker>(mockFilms[0].name);
expectPickerTitle<IsoValuePicker>('400');
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await tester.takePhoto();
await _expectMeteringState(
tester,
equipmentProfile: mockEquipmentProfiles[0],
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film: mockFilms[0],
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fastest: 'f/1.8 - 1/400',
slowest: 'f/16 - 1/5',
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iso: '400',
nd: 'None',
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ev: mockPhotoEv100 + 2,
);
/// Add ND to shoot another scene
await tester.openPickerAndSelect<NdValuePicker, NdValue>('2');
await _expectMeteringStateAndMeasure(
tester,
equipmentProfile: mockEquipmentProfiles[0],
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film: mockFilms[0],
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fastest: 'f/1.8 - 1/200',
slowest: 'f/16 - 1/2.5',
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iso: '400',
nd: '2',
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ev: mockPhotoEv100 + 2 - 1,
);
/// Select another lens without ND
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await tester.openPickerAndSelect<EquipmentProfilePicker, EquipmentProfile>(mockEquipmentProfiles[1].name);
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await tester.openPickerAndSelect<NdValuePicker, NdValue>('None');
await _expectMeteringStateAndMeasure(
tester,
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equipmentProfile: mockEquipmentProfiles[1],
film: mockFilms[0],
fastest: 'f/3.5 - 1/100',
slowest: 'f/22 - 1/2.5',
iso: '400',
nd: 'None',
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ev: mockPhotoEv100 + 2,
);
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/// Set another film and another ISO
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await tester.openPickerAndSelect<IsoValuePicker, IsoValue>('200');
await tester.openPickerAndSelect<FilmPicker, Film>(mockFilms[1].name);
await _expectMeteringStateAndMeasure(
tester,
equipmentProfile: mockEquipmentProfiles[1],
film: mockFilms[1],
fastest: 'f/3.5 - 1/50',
slowest: 'f/22 - 1/1.3',
iso: '200',
nd: 'None',
ev: mockPhotoEv100 + 1,
);
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},
);
}
extension EquipmentProfileActions on WidgetTester {
Future<void> expandEquipmentProfileContainer(String name) async {
await tap(find.text(name));
await pump(Dimens.durationM);
}
Future<void> setProfileName(String name) async {
await enterText(find.byType(TextField), name);
await pump();
await tapSaveButton();
}
Future<void> setIsoValues(int profileIndex, List<IsoValue> values) =>
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_openAndSetDialogFilterValues<IsoValue>(profileIndex, S.current.isoValues, values);
Future<void> setNdValues(int profileIndex, List<NdValue> values) =>
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_openAndSetDialogFilterValues<NdValue>(profileIndex, S.current.ndFilters, values);
Future<void> _openAndSetDialogFilterValues<T extends PhotographyValue>(
int profileIndex,
String listTileTitle,
List<T> valuesToSelect, {
bool deselectAll = true,
}) async {
await tap(find.text(listTileTitle).at(profileIndex));
await pumpAndSettle();
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await setDialogFilterValues(valuesToSelect, deselectAll: deselectAll);
}
Future<void> setApertureValues(int profileIndex, List<ApertureValue> values) =>
_setDialogRangePickerValues<ApertureValue>(profileIndex, S.current.apertureValues, values);
Future<void> setShutterSpeedValues(int profileIndex, List<ShutterSpeedValue> values) =>
_setDialogRangePickerValues<ShutterSpeedValue>(profileIndex, S.current.shutterSpeedValues, values);
}
extension on WidgetTester {
Future<void> openPickerAndSelect<P extends Widget, V>(String valueToSelect) async {
await openAnimatedPicker<P>();
await tapDescendantTextOf<DialogPicker<V>>(valueToSelect);
await tapSelectButton();
}
Future<void> setDialogFilterValues<T>(
List<T> valuesToSelect, {
bool deselectAll = true,
}) async {
if (deselectAll) {
await tap(find.byIcon(Icons.deselect));
await pump();
}
for (final value in valuesToSelect) {
final listTile = find.descendant(of: find.byType(CheckboxListTile), matching: find.text(value.toString()));
await scrollUntilVisible(
listTile,
56,
scrollable: find.descendant(of: find.byType(DialogFilter<T>), matching: find.byType(Scrollable)),
);
await tap(listTile);
await pump();
}
await tapSaveButton();
}
Future<void> _setDialogRangePickerValues<T extends PhotographyValue>(
int profileIndex,
String listTileTitle,
List<T> valuesToSelect,
) async {
await tap(find.text(listTileTitle).at(profileIndex));
await pumpAndSettle();
final dialog = widget<DialogRangePicker<T>>(find.byType(DialogRangePicker<T>));
final sliderFinder = find.byType(RangeSlider);
final divisions = widget<RangeSlider>(sliderFinder).divisions!;
final trackWidth = getSize(sliderFinder).width - (2 * Dimens.paddingL);
final trackStep = trackWidth / divisions;
final start = valuesToSelect.first;
final oldStart = dialog.values.indexWhere((e) => e.value == dialog.selectedValues.first.value) * trackStep;
final newStart = dialog.values.indexWhere((e) => e.value == start.value) * trackStep;
await dragFrom(
getTopLeft(sliderFinder) + Offset(Dimens.paddingL + oldStart, getSize(sliderFinder).height / 2),
Offset(newStart - oldStart, 0),
);
await pump();
final end = valuesToSelect.last;
final oldEnd = dialog.values.indexWhere((e) => e.value == dialog.selectedValues.last.value) * trackStep;
final newEnd = dialog.values.indexWhere((e) => e.value == end.value) * trackStep;
await dragFrom(
getTopLeft(sliderFinder) + Offset(Dimens.paddingL + oldEnd, getSize(sliderFinder).height / 2),
Offset(newEnd - oldEnd, 0),
);
await pump();
await tapSaveButton();
}
}
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Future<void> _expectMeteringState(
WidgetTester tester, {
required EquipmentProfile equipmentProfile,
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required Film film,
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required String fastest,
required String slowest,
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required String iso,
required String nd,
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required double ev,
String? reason,
}) async {
expectPickerTitle<EquipmentProfilePicker>(equipmentProfile.name);
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expectPickerTitle<FilmPicker>(film.name);
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expectExtremeExposurePairs(fastest, slowest);
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expectPickerTitle<IsoValuePicker>(iso);
expectPickerTitle<NdValuePicker>(nd);
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expectExposurePairsListItem(tester, fastest.split(' - ')[0], fastest.split(' - ')[1]);
await tester.scrollToTheLastExposurePair(equipmentProfile: equipmentProfile);
expectExposurePairsListItem(tester, slowest.split(' - ')[0], slowest.split(' - ')[1]);
expectMeasureButton(ev);
}
Future<void> _expectMeteringStateAndMeasure(
WidgetTester tester, {
required EquipmentProfile equipmentProfile,
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required Film film,
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required String fastest,
required String slowest,
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required String iso,
required String nd,
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required double ev,
}) async {
await _expectMeteringState(
tester,
equipmentProfile: equipmentProfile,
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film: film,
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fastest: fastest,
slowest: slowest,
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iso: iso,
nd: nd,
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ev: ev,
);
await tester.takePhoto();
await _expectMeteringState(
tester,
equipmentProfile: equipmentProfile,
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film: film,
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fastest: fastest,
slowest: slowest,
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iso: iso,
nd: nd,
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ev: ev,
reason:
'Metering screen state must be the same before and after the measurement assuming that the scene is exactly the same.',
);
}
void expectMeasureButton(double ev) {
find.descendant(
of: find.byType(MeteringMeasureButton),
matching: find.text('${ev.toStringAsFixed(1)}\n${S.current.ev}'),
);
}