Merge pull request #38 from Zales0123/load-dist-files-by-default

Use dist env file by default

README.md

@@ -44,6 +44,7 @@ ensures that application behaviour will not be affected by stateful services.
     
     ```
     FriendsOfBehat\SymfonyExtension:
+        # .env.dist file will be used if .env file does not exist  
         env_file: .env
         kernel:
             class: 'MyTrip\Kernel'

features/not_crashing_behat.feature

@@ -89,3 +89,36 @@ Feature: Not crashing Behat
         And a feature file with passing scenario
         When I run Behat
         Then it should pass
+
+    Scenario: This extension used dist file by default
+        Given a Behat configuration containing:
+        """
+        default:
+            extensions:
+                FriendsOfBehat\SymfonyExtension:
+                    env_file: .env_in_memory
+                    kernel:
+                        path: src/MyKernel.php
+                        class: MyKernel
+                        bootstrap: ~
+        """
+        And a file ".env_in_memory.dist" containing:
+        """
+        APP_ENV=dev
+        """
+        And a file "src/MyKernel.php" containing:
+        """
+        <?php
+
+        use Symfony\Component\HttpKernel\Kernel;
+        use Symfony\Component\Config\Loader\LoaderInterface;
+
+        class MyKernel extends Kernel
+        {
+            public function registerBundles() { return []; }
+            public function registerContainerConfiguration(LoaderInterface $loader) {}
+        }
+        """
+        And a feature file with passing scenario
+        When I run Behat
+        Then it should pass

src/ServiceContainer/SymfonyExtension.php

@@ -115,7 +115,8 @@ final class SymfonyExtension implements Extension
     public function load(ContainerBuilder $container, array $config): void
     {
         if (null !== $config['env_file']) {
-            $this->loadEnvVars($container, $config['env_file']);
+            $envFile = file_exists($config['env_file']) ? $config['env_file'] : $config['env_file'].'.dist';
+            $this->loadEnvVars($container, $envFile);
 
             $environment = false !== getenv('APP_ENV') ? getenv('APP_ENV') : self::DEFAULT_ENV;
             $debugMode = false !== getenv('APP_DEBUG') ? getenv('APP_DEBUG') : self::DEBUG_MODE;