From c7abfdedb22ef365f974e0da43290c821c84935e Mon Sep 17 00:00:00 2001
From: Vadim <44135514+vodemn@users.noreply.github.com>
Date: Fri, 6 Oct 2023 12:04:13 +0200
Subject: [PATCH] `ExtremeExposurePairsContainer` widget test

---
 test/application_mock.dart                    | 31 ++++++++
 ...extreme_exposure_pairs_container_test.dart | 72 +++++++++++++++++++
 .../shared}/animated_dialog_picker_test.dart  | 40 ++++-------
 3 files changed, 115 insertions(+), 28 deletions(-)
 create mode 100644 test/application_mock.dart
 create mode 100644 test/screens/metering/components/shared/readings_container/extreme_exposure_pairs_container_test.dart
 rename test/screens/metering/components/shared/{ => readings_container/shared}/animated_dialog_picker_test.dart (79%)

diff --git a/test/application_mock.dart b/test/application_mock.dart
new file mode 100644
index 0000000..dbcf260
--- /dev/null
+++ b/test/application_mock.dart
@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/res/theme.dart';
+
+/// Provides [MaterialApp] with default theme and "en" localization
+class WidgetTestApplicationMock extends StatelessWidget {
+  final Widget child;
+
+  const WidgetTestApplicationMock({required this.child, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      theme: themeFrom(primaryColorsList[5], Brightness.light),
+      locale: const Locale('en'),
+      localizationsDelegates: const [
+        S.delegate,
+        GlobalMaterialLocalizations.delegate,
+        GlobalWidgetsLocalizations.delegate,
+        GlobalCupertinoLocalizations.delegate,
+      ],
+      supportedLocales: S.delegate.supportedLocales,
+      builder: (context, child) => MediaQuery(
+        data: MediaQuery.of(context).copyWith(textScaleFactor: 1.0),
+        child: child!,
+      ),
+      home: Scaffold(body: child),
+    );
+  }
+}
diff --git a/test/screens/metering/components/shared/readings_container/extreme_exposure_pairs_container_test.dart b/test/screens/metering/components/shared/readings_container/extreme_exposure_pairs_container_test.dart
new file mode 100644
index 0000000..4692ee6
--- /dev/null
+++ b/test/screens/metering/components/shared/readings_container/extreme_exposure_pairs_container_test.dart
@@ -0,0 +1,72 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lightmeter/data/models/exposure_pair.dart';
+import 'package:lightmeter/generated/l10n.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_iap/m3_lightmeter_iap.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+import '../../../../../application_mock.dart';
+
+void main() {
+  testWidgets(
+    'No exposure pairs',
+    (tester) async {
+      await tester.pumpApplication(
+        fastest: null,
+        slowest: null,
+      );
+
+      final pickerFinder = find.byType(ExtremeExposurePairsContainer);
+      expect(pickerFinder, findsOneWidget);
+      expect(find.descendant(of: pickerFinder, matching: find.text(S.current.fastestExposurePair)), findsOneWidget);
+      expect(find.descendant(of: pickerFinder, matching: find.text(S.current.slowestExposurePair)), findsOneWidget);
+      expect(find.descendant(of: pickerFinder, matching: find.text('-')), findsNWidgets(2));
+    },
+  );
+
+  testWidgets(
+    'Has pairs',
+    (tester) async {
+      await tester.pumpApplication(
+        fastest: ExposurePair(ApertureValue.values.first, ShutterSpeedValue.values.first),
+        slowest: ExposurePair(ApertureValue.values.last, ShutterSpeedValue.values.last),
+      );
+
+      final pickerFinder = find.byType(ExtremeExposurePairsContainer);
+      expect(pickerFinder, findsOneWidget);
+      expect(find.descendant(of: pickerFinder, matching: find.text(S.current.fastestExposurePair)), findsOneWidget);
+      expect(find.descendant(of: pickerFinder, matching: find.text(S.current.slowestExposurePair)), findsOneWidget);
+      expect(find.descendant(of: pickerFinder, matching: find.text('f/1.0 - 1/2000')), findsOneWidget);
+      expect(find.descendant(of: pickerFinder, matching: find.text('f/45 - 16"')), findsOneWidget);
+    },
+  );
+}
+
+extension WidgetTesterActions on WidgetTester {
+  Future<void> pumpApplication({
+    required ExposurePair? fastest,
+    required ExposurePair? slowest,
+  }) async {
+    await pumpWidget(
+      Films(
+        values: const [Film.other()],
+        filmsInUse: const [Film.other()],
+        selected: const Film.other(),
+        child: WidgetTestApplicationMock(
+          child: Row(
+            children: [
+              Expanded(
+                child: ExtremeExposurePairsContainer(
+                  fastest: fastest,
+                  slowest: slowest,
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+    await pumpAndSettle();
+  }
+}
diff --git a/test/screens/metering/components/shared/animated_dialog_picker_test.dart b/test/screens/metering/components/shared/readings_container/shared/animated_dialog_picker_test.dart
similarity index 79%
rename from test/screens/metering/components/shared/animated_dialog_picker_test.dart
rename to test/screens/metering/components/shared/readings_container/shared/animated_dialog_picker_test.dart
index 73af0b3..b303a03 100644
--- a/test/screens/metering/components/shared/animated_dialog_picker_test.dart
+++ b/test/screens/metering/components/shared/readings_container/shared/animated_dialog_picker_test.dart
@@ -1,13 +1,13 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';
-import 'package:lightmeter/res/theme.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/shared/animated_dialog_picker/components/dialog_picker/widget_picker_dialog.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
+import '../../../../../../application_mock.dart';
+
 void main() {
   group(
     'Open & close tests',
@@ -73,33 +73,17 @@ void main() {
 extension WidgetTesterActions on WidgetTester {
   Future<void> pumpApplication() async {
     await pumpWidget(
-      MaterialApp(
-        title: 'Flutter Demo',
-        theme: themeFrom(primaryColorsList[5], Brightness.light),
-        locale: const Locale('en'),
-        localizationsDelegates: const [
-          S.delegate,
-          GlobalMaterialLocalizations.delegate,
-          GlobalWidgetsLocalizations.delegate,
-          GlobalCupertinoLocalizations.delegate,
-        ],
-        supportedLocales: S.delegate.supportedLocales,
-        builder: (context, child) => MediaQuery(
-          data: MediaQuery.of(context).copyWith(textScaleFactor: 1.0),
-          child: child!,
-        ),
-        home: Scaffold(
-          body: Row(
-            children: [
-              Expanded(
-                child: IsoValuePicker(
-                  selectedValue: const IsoValue(400, StopType.full),
-                  values: IsoValue.values,
-                  onChanged: (_) {},
-                ),
+      WidgetTestApplicationMock(
+        child: Row(
+          children: [
+            Expanded(
+              child: IsoValuePicker(
+                selectedValue: const IsoValue(400, StopType.full),
+                values: IsoValue.values,
+                onChanged: (_) {},
               ),
-            ],
-          ),
+            ),
+          ],
         ),
       ),
     );