test(create_dart_frog): post_gen tests (#208)

Author: felangel

.github/workflows/create_dart_frog.yaml

@@ -0,0 +1,21 @@
+name: create_dart_frog
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/create_dart_frog.yaml"
+      - "bricks/create_dart_frog/hooks/**"
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/workflows/create_dart_frog.yaml"
+      - "bricks/create_dart_frog/hooks/**"
+
+jobs:
+  build:
+    uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/dart_package.yml@v1
+    with:
+      working_directory: bricks/create_dart_frog/hooks
+      analyze_directories: .
+      report_on: post_gen.dart

bricks/create_dart_frog/hooks/.gitignore

@@ -1,3 +1,4 @@
 .dart_tool
 .packages
 pubspec.lock
+coverage

bricks/create_dart_frog/hooks/analysis_options.yaml

@@ -0,0 +1 @@
+include: package:very_good_analysis/analysis_options.3.0.1.yaml

bricks/create_dart_frog/hooks/post_gen.dart

@@ -4,7 +4,7 @@ import 'package:path/path.dart' as path;
 
 Future<void> run(HookContext context) async {
   final projectDirectory = path.canonicalize(
-    context.vars['output_directory'] ?? Directory.current.path,
+    context.vars['output_directory'] as String? ?? Directory.current.path,
   );
   final progress = context.logger.progress('Installing dependencies');
   await Process.run(

bricks/create_dart_frog/hooks/pubspec.yaml

@@ -6,3 +6,8 @@ environment:
 dependencies:
   mason: ^0.1.0-dev.30
   path: ^1.8.1
+
+dev_dependencies:
+  mocktail: ^0.3.0
+  test: ^1.19.2
+  very_good_analysis: ^3.0.1

bricks/create_dart_frog/hooks/test/post_gen_test.dart

@@ -0,0 +1,64 @@
+import 'dart:io';
+
+import 'package:mason/mason.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:test/test.dart';
+
+import '../post_gen.dart';
+
+class _FakeHookContext extends Fake implements HookContext {
+  _FakeHookContext({Logger? logger}) : _logger = logger ?? _MockLogger();
+
+  final Logger _logger;
+
+  var _vars = <String, dynamic>{};
+
+  @override
+  Map<String, dynamic> get vars => _vars;
+
+  @override
+  set vars(Map<String, dynamic> value) => _vars = value;
+
+  @override
+  Logger get logger => _logger;
+}
+
+class _MockLogger extends Mock implements Logger {}
+
+class _MockProgress extends Mock implements Progress {}
+
+void main() {
+  group('postGen', () {
+    late HookContext context;
+    late Logger logger;
+
+    setUp(() {
+      logger = _MockLogger();
+      context = _FakeHookContext(logger: logger);
+
+      when(() => logger.progress(any())).thenReturn(_MockProgress());
+    });
+
+    test('run completes when pubspec.yaml exists', () async {
+      const name = 'example';
+      final projectDirectory = Directory.current.path;
+      context.vars = {'name': name};
+      await expectLater(run(context), completes);
+      verifyInOrder([
+        () => logger.info(''),
+        () => logger
+            .success('Created ${context.vars['name']} at $projectDirectory.'),
+        () => logger.info(''),
+        () => logger.info('Get started by typing:'),
+        () => logger.info(''),
+        () => logger.info('${lightCyan.wrap('cd')} $projectDirectory'),
+        () => logger.info('${lightCyan.wrap('dart_frog dev')}'),
+      ]);
+    });
+
+    test('run throws when pubspec.yaml does not exist', () async {
+      context.vars = {'output_directory': '/invalid'};
+      await expectLater(() => run(context), throwsA(isA<Exception>()));
+    });
+  });
+}