test(dart_frog_cli): dart_frog create e2e tests (#73)

Author: felangel

packages/dart_frog_cli/e2e/test/dart_frog_create_test.dart

@@ -0,0 +1,42 @@
+import 'dart:io';
+
+import 'package:path/path.dart' as path;
+import 'package:test/test.dart';
+
+import 'helpers/helpers.dart';
+
+/// Objectives:
+///
+/// * Generate a new Dart Frog project via `dart_frog create`
+/// * Ensure the code is formatted (`dart format .`)
+/// * Ensure the code has no warnings/errors (`dart analyze .`)
+/// * Ensure the tests pass (`dart test`)
+void main() {
+  group('dart_frog create', () {
+    const projectName = 'example';
+    final tempDirectory = Directory.systemTemp.createTempSync();
+    final projectDirectory = Directory(
+      path.join(tempDirectory.path, projectName),
+    );
+
+    setUpAll(() async {
+      await dartFrogCreate(projectName: projectName, directory: tempDirectory);
+    });
+
+    tearDownAll(() async {
+      await tempDirectory.delete(recursive: true);
+    });
+
+    test('generates a well-formatted project', () {
+      expect(dartFormat(projectDirectory), completes);
+    });
+
+    test('generates a project that has no analysis errors/warnings', () {
+      expect(dartAnalyze(projectDirectory), completes);
+    });
+
+    test('generates a project in which all tests pass', () {
+      expect(dartTest(projectDirectory), completes);
+    });
+  });
+}

packages/dart_frog_cli/e2e/test/dev_smoke_test.dart renamed to packages/dart_frog_cli/e2e/test/dart_frog_dev_test.dart

@@ -12,7 +12,7 @@ import 'helpers/helpers.dart';
 /// * Run the dev server via `dart_frog dev`
 /// * Ensure the server responds accordingly for built-in endpoints
 void main() {
-  group('Dev Server Smoke Test', () {
+  group('dart_frog dev', () {
     const projectName = 'example';
     final tempDirectory = Directory.systemTemp.createTempSync();
 

packages/dart_frog_cli/e2e/test/helpers/dart_analyze.dart

@@ -0,0 +1,19 @@
+import 'dart:io';
+
+Future<void> dartAnalyze(Directory directory) async {
+  final result = await Process.run(
+    'dart',
+    ['analyze', '.'],
+    workingDirectory: directory.path,
+    runInShell: true,
+  );
+
+  if (result.exitCode != 0) {
+    throw Exception('dart analyze . exited with code ${result.exitCode}');
+  }
+
+  final output = result.stdout as String;
+  if (!output.contains('No issues found!')) {
+    throw Exception('dart analyze reported problems:\n$output');
+  }
+}

packages/dart_frog_cli/e2e/test/helpers/dart_format.dart

@@ -0,0 +1,16 @@
+import 'dart:io';
+
+Future<void> dartFormat(Directory directory) async {
+  final result = await Process.run(
+    'dart',
+    ['format', '--set-exit-if-changed', '.'],
+    workingDirectory: directory.path,
+    runInShell: true,
+  );
+
+  if (result.exitCode != 0) {
+    throw Exception(
+      'dart format --set-exit-if-changed . exited with code ${result.exitCode}',
+    );
+  }
+}

packages/dart_frog_cli/e2e/test/helpers/dart_tst.dart

@@ -0,0 +1,19 @@
+import 'dart:io';
+
+Future<void> dartTest(Directory directory) async {
+  final result = await Process.run(
+    'dart',
+    ['test'],
+    workingDirectory: directory.path,
+    runInShell: true,
+  );
+
+  if (result.exitCode != 0) {
+    throw Exception('dart test exited with code ${result.exitCode}');
+  }
+
+  final errors = result.stderr as String;
+  if (errors.isNotEmpty) {
+    throw Exception('dart test reported errors:\n$errors');
+  }
+}

packages/dart_frog_cli/e2e/test/helpers/helpers.dart

@@ -1,4 +1,7 @@
+export 'dart_analyze.dart';
+export 'dart_format.dart';
 export 'dart_frog_create.dart';
 export 'dart_frog_dev.dart';
+export 'dart_tst.dart';
 export 'kill_dart_frog_server.dart';
 export 'test_server.dart';

packages/dart_frog_cli/e2e/test/helpers/kill_dart_frog_server.dart

@@ -8,15 +8,17 @@ Future<void> killDartFrogServer(int pid) async {
       runInShell: true,
     );
     if (result.exitCode != 0) {
-      throw Exception('taskkill /F /T /PID $pid exited with code $exitCode');
+      throw Exception(
+        'taskkill /F /T /PID $pid exited with code ${result.exitCode}',
+      );
     }
     return;
   }
 
   if (Platform.isLinux || Platform.isMacOS) {
     final result = await Process.run('pkill', ['-f', 'dart_frog']);
     if (result.exitCode != 0) {
-      throw Exception('pkill -f dart_frog exited with code $exitCode');
+      throw Exception('pkill -f dart_frog exited with code ${result.exitCode}');
     }
     return;
   }