chore: generate template (#17)

brick/__brick__/{{project_name.snakeCase()}}/test/{{project_name.snakeCase()}}_test.dart

@@ -0,0 +1,51 @@
+// Copyright (c) 2022, Very Good Ventures
+// https://verygood.ventures
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file or at
+// https://opensource.org/licenses/MIT.
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:{{project_name.snakeCase()}}/{{project_name.snakeCase()}}.dart';
+import 'package:{{project_name.snakeCase()}}_platform_interface/{{project_name.snakeCase()}}_platform_interface.dart';
+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+
+class Mock{{project_name.pascalCase()}}Platform extends Mock
+    with MockPlatformInterfaceMixin
+    implements {{project_name.pascalCase()}}Platform {}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('{{project_name.pascalCase()}}', () {
+    late {{project_name.pascalCase()}}Platform {{project_name.camelCase()}}Platform;
+
+    setUp(() {
+      {{project_name.camelCase()}}Platform = Mock{{project_name.pascalCase()}}Platform();
+      {{project_name.pascalCase()}}Platform.instance = {{project_name.camelCase()}}Platform;
+    });
+
+    group('getPlatformName', () {
+      test('returns correct name when platform implementation exists',
+          () async {
+        const platformName = '__test_platform__';
+        when(
+          () => {{project_name.camelCase()}}Platform.getPlatformName(),
+        ).thenAnswer((_) async => platformName);
+
+        final actualPlatformName = await getPlatformName();
+        expect(actualPlatformName, equals(platformName));
+      });
+
+      test('throws exception when platform implementation is missing',
+          () async {
+        when(
+          () => {{project_name.camelCase()}}Platform.getPlatformName(),
+        ).thenAnswer((_) async => null);
+
+        expect(getPlatformName, throwsException);
+      });
+    });
+  });
+}