Throw exception in ServeCommand when current directory not found

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Enh #226: Check empty string as key in command map in `CommandLoader` validation (@vjik)
 - Bug #224: Fix typo in `UNAVAILABLE` exit code reason (@vjik)
+- Bug #227: Throw `RuntimeException` in `ServeCommand` when it wasn't possible to find out the current directory (@vjik)
 
 ## 2.3.0 January 23, 2025
 

src/Command/Serve.php

@@ -4,6 +4,7 @@
 
 namespace Yiisoft\Yii\Console\Command;
 
+use RuntimeException;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Completion\CompletionInput;
@@ -221,6 +222,11 @@ private function getRootPath(): string
             return rtrim($this->appRootPath, DIRECTORY_SEPARATOR);
         }
 
-        return getcwd();
+        $currentDirectory = getcwd();
+        if ($currentDirectory === false) {
+            throw new RuntimeException('Failed to get current working directory.');
+        }
+
+        return $currentDirectory;
     }
 }

tests/Command/Serve/NonExistsCurrentDirectory/.gitignore

@@ -0,0 +1 @@
+/test-dir

tests/Command/Serve/NonExistsCurrentDirectory/NonExistsCurrentDirectoryServeTest.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Yii\Console\Tests\Command\Serve\NonExistsCurrentDirectory;
+
+use RuntimeException;
+use Symfony\Component\Console\Tester\CommandTester;
+use Yiisoft\Yii\Console\Tests\TestCase;
+
+final class NonExistsCurrentDirectoryServeTest extends TestCase
+{
+    /**
+     * @requires OS Linux
+     */
+    public function testBase(): void
+    {
+        $command = $this->application()->find('serve');
+
+        $commandCreate = new CommandTester($command);
+
+        $directory = __DIR__ . '/test-dir';
+        if (!file_exists($directory)) {
+            mkdir($directory);
+        }
+        chdir($directory);
+        rmdir($directory);
+
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage('Failed to get current working directory.');
+        $commandCreate->execute([]);
+    }
+}

tests/ServeCommandTest.php → tests/Command/Serve/ServeTest.php

@@ -2,14 +2,15 @@
 
 declare(strict_types=1);
 
-namespace Yiisoft\Yii\Console\Tests;
+namespace Yiisoft\Yii\Console\Tests\Command\Serve;
 
 use Symfony\Component\Console\Tester\CommandCompletionTester;
 use Symfony\Component\Console\Tester\CommandTester;
 use Yiisoft\Yii\Console\Command\Serve;
 use Yiisoft\Yii\Console\ExitCode;
+use Yiisoft\Yii\Console\Tests\TestCase;
 
-final class ServeCommandTest extends TestCase
+final class ServeTest extends TestCase
 {
     public function testServeCommandExecuteWithoutArguments(): void
     {