set android emulator API level to 32

.github/workflows/run_integration_tests.yml

@@ -67,7 +67,7 @@ jobs:
         if: ${{ matrix.os == 'ubuntu-latest' }}
         uses: reactivecircus/android-emulator-runner@v2
         with:
-          api-level: 33
+          api-level: 32
           target: default
           arch: x86_64
           profile: pixel_6

integration_test/e2e_test.dart

@@ -0,0 +1,300 @@
+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';
+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';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+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';
+
+void main() {
+  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(
+    'e2e',
+    (tester) async {
+      await tester.pumpApplication(equipmentProfiles: [], films: []);
+
+      /// 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();
+
+      /// 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();
+
+      /// Select some initial settings according to the selected gear and film
+      /// Then take a photo and verify, that exposure pairs range and EV matches the selected settings
+      await tester.openPickerAndSelect<EquipmentProfilePicker, EquipmentProfile>(mockEquipmentProfiles[0].name);
+      await tester.openPickerAndSelect<FilmPicker, Film>(mockFilms[0].name);
+      await tester.openPickerAndSelect<IsoValuePicker, IsoValue>('400');
+      expectPickerTitle<EquipmentProfilePicker>(mockEquipmentProfiles[0].name);
+      expectPickerTitle<FilmPicker>(mockFilms[0].name);
+      expectPickerTitle<IsoValuePicker>('400');
+      await tester.takePhoto();
+      await _expectMeteringState(
+        tester,
+        equipmentProfile: mockEquipmentProfiles[0],
+        film: mockFilms[0],
+        fastest: 'f/1.8 - 1/400',
+        slowest: 'f/16 - 1/5',
+        iso: '400',
+        nd: 'None',
+        ev: mockPhotoEv100 + 2,
+      );
+
+      /// Add ND to shoot another scene
+      await tester.openPickerAndSelect<NdValuePicker, NdValue>('2');
+      await _expectMeteringStateAndMeasure(
+        tester,
+        equipmentProfile: mockEquipmentProfiles[0],
+        film: mockFilms[0],
+        fastest: 'f/1.8 - 1/200',
+        slowest: 'f/16 - 1/2.5',
+        iso: '400',
+        nd: '2',
+        ev: mockPhotoEv100 + 2 - 1,
+      );
+
+      /// Select another lens without ND
+      await tester.openPickerAndSelect<EquipmentProfilePicker, EquipmentProfile>(mockEquipmentProfiles[1].name);
+      await tester.openPickerAndSelect<NdValuePicker, NdValue>('None');
+      await _expectMeteringStateAndMeasure(
+        tester,
+        equipmentProfile: mockEquipmentProfiles[1],
+        film: mockFilms[0],
+        fastest: 'f/3.5 - 1/100',
+        slowest: 'f/22 - 1/2.5',
+        iso: '400',
+        nd: 'None',
+        ev: mockPhotoEv100 + 2,
+      );
+
+      /// Set another film and another ISO
+      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,
+      );
+    },
+  );
+}
+
+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) =>
+      _openAndSetDialogFilterValues<IsoValue>(profileIndex, S.current.isoValues, values);
+  Future<void> setNdValues(int profileIndex, List<NdValue> values) =>
+      _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();
+    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();
+  }
+}
+
+Future<void> _expectMeteringState(
+  WidgetTester tester, {
+  required EquipmentProfile equipmentProfile,
+  required Film film,
+  required String fastest,
+  required String slowest,
+  required String iso,
+  required String nd,
+  required double ev,
+  String? reason,
+}) async {
+  expectPickerTitle<EquipmentProfilePicker>(equipmentProfile.name);
+  expectPickerTitle<FilmPicker>(film.name);
+  expectExtremeExposurePairs(fastest, slowest);
+  expectPickerTitle<IsoValuePicker>(iso);
+  expectPickerTitle<NdValuePicker>(nd);
+  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,
+  required Film film,
+  required String fastest,
+  required String slowest,
+  required String iso,
+  required String nd,
+  required double ev,
+}) async {
+  await _expectMeteringState(
+    tester,
+    equipmentProfile: equipmentProfile,
+    film: film,
+    fastest: fastest,
+    slowest: slowest,
+    iso: iso,
+    nd: nd,
+    ev: ev,
+  );
+  await tester.takePhoto();
+  await _expectMeteringState(
+    tester,
+    equipmentProfile: equipmentProfile,
+    film: film,
+    fastest: fastest,
+    slowest: slowest,
+    iso: iso,
+    nd: nd,
+    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}'),
+  );
+}

integration_test/metering_screen_layout_test.dart

@@ -6,21 +6,16 @@ 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/screens/metering/components/shared/exposure_pairs_list/components/exposure_pairs_list_item/widget_item_list_exposure_pairs.dart';
-import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.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/extreme_exposure_pairs_container/widget_container_extreme_exposure_pairs.dart';
 import 'package:lightmeter/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart';
-import 'package:lightmeter/screens/metering/screen_metering.dart';
 import 'package:lightmeter/screens/settings/screen_settings.dart';
-import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 import 'package:meta/meta.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../integration_test/utils/widget_tester_actions.dart';
 import 'mocks/paid_features_mock.dart';
-
-const _mockPhotoEv100 = 8.3;
+import 'utils/expectations.dart';
 
 @isTestGroup
 void testToggleLayoutFeatures(String description) {
@@ -46,11 +41,11 @@ void testToggleLayoutFeatures(String description) {
         (tester) async {
           await tester.pumpApplication(selectedEquipmentProfileId: mockEquipmentProfiles.first.id);
           await tester.takePhoto();
-          _expectPickerTitle<EquipmentProfilePicker>(mockEquipmentProfiles.first.name);
-          _expectExtremeExposurePairs('f/1.8 - 1/100', 'f/16 - 1/1.3');
-          _expectExposurePairsListItem(tester, 'f/1.8', '1/100');
-          await tester.scrollToTheLastExposurePair(mockEquipmentProfiles.first);
-          _expectExposurePairsListItem(tester, 'f/16', '1/1.3');
+          expectPickerTitle<EquipmentProfilePicker>(mockEquipmentProfiles.first.name);
+          expectExtremeExposurePairs('f/1.8 - 1/100', 'f/16 - 1/1.3');
+          expectExposurePairsListItem(tester, 'f/1.8', '1/100');
+          await tester.scrollToTheLastExposurePair(equipmentProfile: mockEquipmentProfiles.first);
+          expectExposurePairsListItem(tester, 'f/16', '1/1.3');
 
           // Disable layout feature
           await tester.toggleLayoutFeature(S.current.meteringScreenLayoutHintEquipmentProfiles);
@@ -60,12 +55,12 @@ void testToggleLayoutFeatures(String description) {
             reason:
                 'Equipment profile picker must be hidden from the metering screen when the corresponding layout feature is disabled.',
           );
-          _expectExtremeExposurePairs(
+          expectExtremeExposurePairs(
             'f/1.0 - 1/320',
             'f/45 - 6"',
             reason: 'Aperture and shutter speed ranges must be reset to default values when equipment profile is reset',
           );
-          _expectExposurePairsListItem(
+          expectExposurePairsListItem(
             tester,
             'f/1.0',
             '1/320',
@@ -73,7 +68,7 @@ void testToggleLayoutFeatures(String description) {
                 'Aperture and shutter speed ranges must be reset to default values when equipment profile is reset.',
           );
           await tester.scrollToTheLastExposurePair();
-          _expectExposurePairsListItem(
+          expectExposurePairsListItem(
             tester,
             'f/45',
             '6"',
@@ -83,7 +78,7 @@ void testToggleLayoutFeatures(String description) {
 
           // Enable layout feature
           await tester.toggleLayoutFeature(S.current.meteringScreenLayoutHintEquipmentProfiles);
-          _expectPickerTitle<EquipmentProfilePicker>(
+          expectPickerTitle<EquipmentProfilePicker>(
             S.current.none,
             reason: 'Equipment profile must remain unselected when the corresponding layout feature is re-enabled.',
           );
@@ -95,10 +90,10 @@ void testToggleLayoutFeatures(String description) {
         (tester) async {
           await tester.pumpApplication();
           await tester.takePhoto();
-          _expectExtremeExposurePairs('f/1.0 - 1/320', 'f/45 - 6"');
-          _expectExposurePairsListItem(tester, 'f/1.0', '1/320');
+          expectExtremeExposurePairs('f/1.0 - 1/320', 'f/45 - 6"');
+          expectExposurePairsListItem(tester, 'f/1.0', '1/320');
           await tester.scrollToTheLastExposurePair();
-          _expectExposurePairsListItem(tester, 'f/45', '6"');
+          expectExposurePairsListItem(tester, 'f/45', '6"');
 
           // Disable layout feature
           await tester.toggleLayoutFeature(S.current.meteringScreenFeatureExtremeExposurePairs);
@@ -108,7 +103,7 @@ void testToggleLayoutFeatures(String description) {
             reason:
                 'Extreme exposure pairs container must be hidden from the metering screen when the corresponding layout feature is disabled.',
           );
-          _expectExposurePairsListItem(
+          expectExposurePairsListItem(
             tester,
             'f/1.0',
             '1/320',
@@ -116,7 +111,7 @@ void testToggleLayoutFeatures(String description) {
                 'Exposure pairs list must not be affected by the visibility of the extreme exposure pairs container.',
           );
           await tester.scrollToTheLastExposurePair();
-          _expectExposurePairsListItem(
+          expectExposurePairsListItem(
             tester,
             'f/45',
             '6"',
@@ -126,7 +121,7 @@ void testToggleLayoutFeatures(String description) {
 
           // Enable layout feature
           await tester.toggleLayoutFeature(S.current.meteringScreenFeatureExtremeExposurePairs);
-          _expectExtremeExposurePairs(
+          expectExtremeExposurePairs(
             'f/1.0 - 1/320',
             'f/45 - 6"',
             reason:
@@ -140,11 +135,11 @@ void testToggleLayoutFeatures(String description) {
         (tester) async {
           await tester.pumpApplication(selectedFilm: mockFilms.first);
           await tester.takePhoto();
-          _expectPickerTitle<FilmPicker>(mockFilms.first.name);
-          _expectExtremeExposurePairs('f/1.0 - 1/320', 'f/45 - 12"');
-          _expectExposurePairsListItem(tester, 'f/1.0', '1/320');
+          expectPickerTitle<FilmPicker>(mockFilms.first.name);
+          expectExtremeExposurePairs('f/1.0 - 1/320', 'f/45 - 12"');
+          expectExposurePairsListItem(tester, 'f/1.0', '1/320');
           await tester.scrollToTheLastExposurePair();
-          _expectExposurePairsListItem(tester, 'f/45', '12"');
+          expectExposurePairsListItem(tester, 'f/45', '12"');
 
           // Disable layout feature
           await tester.toggleLayoutFeature(S.current.meteringScreenFeatureFilmPicker);
@@ -154,19 +149,19 @@ void testToggleLayoutFeatures(String description) {
             reason:
                 'Film picker must be hidden from the metering screen when the corresponding layout feature is disabled.',
           );
-          _expectExtremeExposurePairs(
+          expectExtremeExposurePairs(
             'f/1.0 - 1/320',
             'f/45 - 6"',
             reason: 'Shutter speed must not be affected by reciprocity when film is discarded.',
           );
-          _expectExposurePairsListItem(
+          expectExposurePairsListItem(
             tester,
             'f/1.0',
             '1/320',
             reason: 'Shutter speed must not be affected by reciprocity when film is discarded.',
           );
           await tester.scrollToTheLastExposurePair();
-          _expectExposurePairsListItem(
+          expectExposurePairsListItem(
             tester,
             'f/45',
             '6"',
@@ -175,7 +170,7 @@ void testToggleLayoutFeatures(String description) {
 
           // Enable layout feature
           await tester.toggleLayoutFeature(S.current.meteringScreenFeatureFilmPicker);
-          _expectPickerTitle<FilmPicker>(
+          expectPickerTitle<FilmPicker>(
             S.current.none,
             reason: 'Film must remain unselected when the corresponding layout feature is re-enabled.',
           );
@@ -193,46 +188,4 @@ extension on WidgetTester {
     await tapSaveButton();
     await navigatorPop();
   }
-
-  Future<void> scrollToTheLastExposurePair([EquipmentProfile equipmentProfile = defaultEquipmentProfile]) async {
-    final exposurePairs = MeteringContainerBuidler.buildExposureValues(
-      _mockPhotoEv100,
-      StopType.third,
-      equipmentProfile,
-    );
-    await scrollUntilVisible(
-      find.byWidgetPredicate((widget) => widget is Row && widget.key == ValueKey(exposurePairs.length - 1)),
-      56,
-      scrollable: find.descendant(of: find.byType(ExposurePairsList), matching: find.byType(Scrollable)),
-    );
-  }
-}
-
-void _expectPickerTitle<T>(String title, {String? reason}) {
-  expect(find.descendant(of: find.byType(T), matching: find.text(title)), findsOneWidget, reason: reason);
-}
-
-void _expectExtremeExposurePairs(String fastest, String slowest, {String? reason}) {
-  final pickerFinder = find.byType(ExtremeExposurePairsContainer);
-  expect(find.descendant(of: pickerFinder, matching: find.text(fastest)), findsOneWidget, reason: reason);
-  expect(find.descendant(of: pickerFinder, matching: find.text(slowest)), findsOneWidget, reason: reason);
-}
-
-void _expectExposurePairsListItem(WidgetTester tester, String aperture, String shutterSpeed, {String? reason}) {
-  Key? findKey<T extends PhotographyStopValue<num>>(String value) => tester
-      .widget<Row>(
-        find.ancestor(
-          of: find.ancestor(
-            of: find.text(value),
-            matching: find.byType(ExposurePairsListItem<T>),
-          ),
-          matching: find.descendant(of: find.byType(ExposurePairsList), matching: find.byType(Row)),
-        ),
-      )
-      .key;
-  expect(
-    findKey<ApertureValue>(aperture),
-    findKey<ShutterSpeedValue>(shutterSpeed),
-    reason: reason,
-  );
 }

integration_test/mocks/paid_features_mock.dart

@@ -8,9 +8,9 @@ import 'package:mocktail/mocktail.dart';
 class _MockIAPStorageService extends Mock implements IAPStorageService {}
 
 class MockIAPProviders extends StatefulWidget {
-  final List<EquipmentProfile> equipmentProfiles;
+  final List<EquipmentProfile>? equipmentProfiles;
   final String selectedEquipmentProfileId;
-  final List<Film> films;
+  final List<Film>? films;
   final Film selectedFilm;
   final Widget child;
 
@@ -34,9 +34,9 @@ class _MockIAPProvidersState extends State<MockIAPProviders> {
   void initState() {
     super.initState();
     mockIAPStorageService = _MockIAPStorageService();
-    when(() => mockIAPStorageService.equipmentProfiles).thenReturn(mockEquipmentProfiles);
+    when(() => mockIAPStorageService.equipmentProfiles).thenReturn(widget.equipmentProfiles ?? mockEquipmentProfiles);
     when(() => mockIAPStorageService.selectedEquipmentProfileId).thenReturn(widget.selectedEquipmentProfileId);
-    when(() => mockIAPStorageService.filmsInUse).thenReturn(mockFilms);
+    when(() => mockIAPStorageService.filmsInUse).thenReturn(widget.films ?? mockFilms);
     when(() => mockIAPStorageService.selectedFilm).thenReturn(widget.selectedFilm);
   }
 
@@ -92,13 +92,34 @@ final mockEquipmentProfiles = [
       IsoValue(3200, StopType.full),
     ],
   ),
-  const EquipmentProfile(
+  EquipmentProfile(
     id: '2',
     name: 'Praktica + Jupiter',
-    apertureValues: ApertureValue.values,
-    ndValues: NdValue.values,
-    shutterSpeedValues: ShutterSpeedValue.values,
-    isoValues: IsoValue.values,
+    apertureValues: ApertureValue.values.sublist(
+      ApertureValue.values.indexOf(const ApertureValue(3.5, StopType.third)),
+      ApertureValue.values.indexOf(const ApertureValue(22, StopType.full)) + 1,
+    ),
+    ndValues: const [
+      NdValue(0),
+      NdValue(2),
+      NdValue(4),
+      NdValue(8),
+    ],
+    shutterSpeedValues: ShutterSpeedValue.values.sublist(
+      ShutterSpeedValue.values.indexOf(const ShutterSpeedValue(1000, true, StopType.full)),
+      ShutterSpeedValue.values.indexOf(const ShutterSpeedValue(16, false, StopType.full)) + 1,
+    ),
+    isoValues: const [
+      IsoValue(50, StopType.full),
+      IsoValue(100, StopType.full),
+      IsoValue(200, StopType.full),
+      IsoValue(250, StopType.third),
+      IsoValue(400, StopType.full),
+      IsoValue(500, StopType.third),
+      IsoValue(800, StopType.full),
+      IsoValue(1600, StopType.full),
+      IsoValue(3200, StopType.full),
+    ],
   ),
 ];
 

integration_test/utils/expectations.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/components/exposure_pairs_list_item/widget_item_list_exposure_pairs.dart';
+import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/extreme_exposure_pairs_container/widget_container_extreme_exposure_pairs.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+void expectPickerTitle<P extends Widget>(String title, {String? reason}) {
+  expect(find.descendant(of: find.byType(P), matching: find.text(title)), findsOneWidget, reason: reason);
+}
+
+void expectExtremeExposurePairs(String fastest, String slowest, {String? reason}) {
+  final pickerFinder = find.byType(ExtremeExposurePairsContainer);
+  expect(find.descendant(of: pickerFinder, matching: find.text(fastest)), findsOneWidget, reason: reason);
+  expect(find.descendant(of: pickerFinder, matching: find.text(slowest)), findsOneWidget, reason: reason);
+}
+
+void expectExposurePairsListItem(WidgetTester tester, String aperture, String shutterSpeed, {String? reason}) {
+  Key? findKey<T extends PhotographyStopValue<num>>(String value) => tester
+      .widget<Row>(
+        find.ancestor(
+          of: find.ancestor(
+            of: find.text(value),
+            matching: find.byType(ExposurePairsListItem<T>),
+          ),
+          matching: find.descendant(of: find.byType(ExposurePairsList), matching: find.byType(Row)),
+        ),
+      )
+      .key;
+  expect(
+    findKey<ApertureValue>(aperture),
+    findKey<ShutterSpeedValue>(shutterSpeed),
+    reason: reason,
+  );
+}

integration_test/utils/widget_tester_actions.dart

@@ -6,6 +6,8 @@ import 'package:lightmeter/environment.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';
 import 'package:lightmeter/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart';
+import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart';
+import 'package:lightmeter/screens/metering/screen_metering.dart';
 import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
@@ -13,10 +15,14 @@ import '../mocks/iap_products_mock.dart';
 import '../mocks/paid_features_mock.dart';
 import 'platform_channel_mock.dart';
 
+const mockPhotoEv100 = 8.3;
+
 extension WidgetTesterCommonActions on WidgetTester {
   Future<void> pumpApplication({
     IAPProductStatus productStatus = IAPProductStatus.purchased,
+    List<EquipmentProfile>? equipmentProfiles,
     String selectedEquipmentProfileId = '',
+    List<Film>? films,
     Film selectedFilm = const Film.other(),
   }) async {
     await pumpWidget(
@@ -25,7 +31,9 @@ extension WidgetTesterCommonActions on WidgetTester {
         child: ApplicationWrapper(
           const Environment.dev(),
           child: MockIAPProviders(
+            equipmentProfiles: equipmentProfiles,
             selectedEquipmentProfileId: selectedEquipmentProfileId,
+            films: films,
             selectedFilm: selectedFilm,
             child: const Application(),
           ),
@@ -89,3 +97,22 @@ extension WidgetTesterTextButtonActions on WidgetTester {
     await pumpAndSettle();
   }
 }
+
+extension WidgetTesterExposurePairsListActions on WidgetTester {
+  Future<void> scrollToTheLastExposurePair({
+    double ev = mockPhotoEv100,
+    StopType stopType = StopType.third,
+    EquipmentProfile equipmentProfile = defaultEquipmentProfile,
+  }) async {
+    final exposurePairs = MeteringContainerBuidler.buildExposureValues(
+      ev,
+      StopType.third,
+      equipmentProfile,
+    );
+    await scrollUntilVisible(
+      find.byWidgetPredicate((widget) => widget is Row && widget.key == ValueKey(exposurePairs.length - 1)),
+      56,
+      scrollable: find.descendant(of: find.byType(ExposurePairsList), matching: find.byType(Scrollable)),
+    );
+  }
+}