add tests for ProviderHelper pGet

test/provider_helper_test.dart

@@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:provider/provider.dart';
+import 'package:swc_flutter/src/provider_helper.dart';
+
+void main() {
+  group("Test ProviderHelper", () {
+    testWidgets("pGet should return content", (tester) async {
+      final content = "Hi!";
+      await tester.pumpWidget(MaterialApp(
+        home: _PGetTestWidget(content: content),
+      ));
+      expect(find.text(content), findsOneWidget);
+    });
+
+    testWidgets("pGet should return null", (tester) async {
+      await tester.pumpWidget(MaterialApp(
+        home: _PGetTestWidget(),
+      ));
+      expect(find.text("null"), findsOneWidget);
+    });
+  });
+}
+
+class _PGetTestWidget extends StatelessWidget with ProviderHelper {
+
+  final String content;
+
+  _PGetTestWidget({this.content});
+
+  Widget build(BuildContext context) {
+    return Provider<String>(
+      create: (_) => content,
+      child: Builder(builder: (context) {
+        return Text(pGet<String>(context).toString());
+      }),
+    );
+  }
+
+}
+
+class _InvalidPGetTestWidget extends StatelessWidget with ProviderHelper {
+
+  Widget build(BuildContext context) {
+    return Text(pGet<String>(context).toString());
+  }
+
+}

test/swc_stateless_widget_test.dart

@@ -11,6 +11,7 @@ void main() {
       await tester.pumpWidget(MaterialApp(
         home: _SimpleTestWidget(content: content),
       ));
+
       expect(find.text(content), findsOneWidget);
     });
 
@@ -19,14 +20,14 @@ void main() {
         home: _CounterTestWidget(),
       ));
 
-      expect(find.text('0'), findsOneWidget);
-      expect(find.text('1'), findsNothing);
+      expect(find.text("0"), findsOneWidget);
+      expect(find.text("1"), findsNothing);
 
       await tester.tap(find.byIcon(Icons.add));
       await tester.pump();
 
-      expect(find.text('0'), findsNothing);
-      expect(find.text('1'), findsOneWidget);
+      expect(find.text("0"), findsNothing);
+      expect(find.text("1"), findsOneWidget);
     });
   });
 }