From e15d64b10f7857e346c0bce911e2d61a1b76a80c Mon Sep 17 00:00:00 2001
From: Vadim <44135514+vodemn@users.noreply.github.com>
Date: Fri, 6 Oct 2023 23:14:04 +0200
Subject: [PATCH] `FilmPicker` widget tests

---
 .../readings_container/film_picker_test.dart  | 109 ++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 test/screens/metering/components/shared/readings_container/film_picker_test.dart

diff --git a/test/screens/metering/components/shared/readings_container/film_picker_test.dart b/test/screens/metering/components/shared/readings_container/film_picker_test.dart
new file mode 100644
index 0000000..5d44bcb
--- /dev/null
+++ b/test/screens/metering/components/shared/readings_container/film_picker_test.dart
@@ -0,0 +1,109 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/res/dimens.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/shared/reading_value_container/widget_container_reading_value.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+import '../../../../../application_mock.dart';
+
+void main() {
+  group('Film push/pull label', () {
+    testWidgets(
+      'Film.other()',
+      (tester) async {
+        await tester.pumpApplication(_films[0]);
+        _expectReadingValueContainerText(S.current.film);
+        _expectReadingValueContainerText(S.current.none);
+      },
+    );
+
+    testWidgets(
+      'Film with the same ISO',
+      (tester) async {
+        await tester.pumpApplication(_films[2]);
+        _expectReadingValueContainerText(S.current.film);
+        _expectReadingValueContainerText(_films[2].name);
+      },
+    );
+
+    testWidgets(
+      'Film with greater ISO',
+      (tester) async {
+        await tester.pumpApplication(_films[3]);
+        _expectReadingValueContainerText(S.current.filmPull);
+        _expectReadingValueContainerText(_films[3].name);
+      },
+    );
+
+    testWidgets(
+      'Film with lower ISO',
+      (tester) async {
+        await tester.pumpApplication(_films[1]);
+        _expectReadingValueContainerText(S.current.filmPush);
+        _expectReadingValueContainerText(_films[1].name);
+      },
+    );
+  });
+
+  testWidgets(
+    'Film picker shows only films in use',
+    (tester) async {
+      await tester.pumpApplication(_films[1]);
+      await tester.tap(find.byType(FilmPicker));
+      await tester.pumpAndSettle(Dimens.durationL);
+      _expectRadioListTile(S.current.none);
+      _expectRadioListTile(_films[1].name);
+      _expectRadioListTile(_films[2].name);
+      _expectRadioListTile(_films[3].name);
+    },
+  );
+}
+
+extension WidgetTesterActions on WidgetTester {
+  Future<void> pumpApplication(Film selectedFilm) async {
+    await pumpWidget(
+      FilmsProvider(
+        child: Films(
+          values: _films,
+          filmsInUse: _films.sublist(0, _films.length - 1),
+          selected: selectedFilm,
+          child: const WidgetTestApplicationMock(
+            child: Row(
+              children: [
+                Expanded(
+                  child: FilmPicker(selectedIso: IsoValue(400, StopType.full)),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+    await pumpAndSettle();
+  }
+}
+
+const _films = [
+  Film.other(),
+  Film('ISO 100 Film', 100),
+  Film('ISO 400 Film', 400),
+  Film('ISO 800 Film', 800),
+  Film('ISO 1600 Film', 1600),
+];
+
+void _expectReadingValueContainerText(String text) {
+  expect(
+    find.descendant(of: find.byType(ReadingValueContainer), matching: find.text(text)),
+    findsOneWidget,
+  );
+}
+
+void _expectRadioListTile(String filmName) {
+  expect(
+    find.descendant(of: find.byType(RadioListTile<Film>), matching: find.text(filmName)),
+    findsOneWidget,
+  );
+}