tests: Add spec tests.

fixtures/user-invalid.ini

@@ -0,0 +1 @@
+Foobar!

fixtures/user-memory-limit.ini

@@ -0,0 +1 @@
+memory_limit=1234M

spec/EcPhp/PhpDirectiveBundle/EventListener/SetPhpDirectiveSpec.php

@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ *
+ * @see https://github.com/ecphp
+ */
+
+declare(strict_types=1);
+
+namespace spec\EcPhp\PhpDirectiveBundle\EventListener;
+
+use InvalidArgumentException;
+use PhpSpec\Exception\Example\FailureException;
+use PhpSpec\Exception\Example\SkippingException;
+use PhpSpec\ObjectBehavior;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
+use Symfony\Component\HttpKernel\Event\RequestEvent;
+use Symfony\Component\HttpKernel\KernelInterface;
+use function dirname;
+
+final class SetPhpDirectiveSpec extends ObjectBehavior
+{
+    public function it_set_php_directives(ParameterBagInterface $parameterBag, LoggerInterface $logger, KernelInterface $kernel, RequestEvent $event): void
+    {
+        $kernel
+            ->getProjectDir()
+            ->willReturn(dirname(__DIR__, 4) . '/fixtures');
+
+        $parameterBag
+            ->get('php_directive')
+            ->willReturn(
+                [
+                    'user_ini_file' => 'user-memory-limit.ini',
+                ]
+            );
+
+        $this->beConstructedWith($parameterBag, $logger, $kernel);
+
+        $memoryLimit = ini_get('memory_limit');
+
+        $this
+            ->__invoke($event);
+
+        if ('1234M' !== $size = ini_get('memory_limit')) {
+            throw new FailureException('Invalid size: ' . $size);
+        }
+
+        ini_set('memory_limit', $memoryLimit);
+    }
+
+    public function it_throws_an_exception_is_the_ini_file_is_not_found_or_readable(ParameterBagInterface $parameterBag, LoggerInterface $logger, KernelInterface $kernel, RequestEvent $event): void
+    {
+        $kernel
+            ->getProjectDir()
+            ->willReturn(dirname(__DIR__, 4) . '/fixtures/not-existing-path');
+
+        $parameterBag
+            ->get('php_directive')
+            ->willReturn(
+                [
+                    'user_ini_file' => 'user.ini',
+                ]
+            );
+
+        $this->beConstructedWith($parameterBag, $logger, $kernel);
+
+        $this
+            ->shouldThrow(InvalidArgumentException::class)
+            ->during('__invoke', [$event]);
+    }
+
+    public function it_throws_an_exception_is_the_ini_file_is_not_parseable(): void
+    {
+        throw new SkippingException(
+            'Unable to find a test where parse_ini_file() returns false.'
+        );
+    }
+
+    public function it_throws_an_exception_is_the_ini_file_is_valid(ParameterBagInterface $parameterBag, LoggerInterface $logger, KernelInterface $kernel, RequestEvent $event): void
+    {
+        $kernel
+            ->getProjectDir()
+            ->willReturn(dirname(__DIR__, 4) . '/fixtures');
+
+        $parameterBag
+            ->get('php_directive')
+            ->willReturn(
+                [
+                    'user_ini_file' => 'user-invalid.ini',
+                ]
+            );
+
+        $this->beConstructedWith($parameterBag, $logger, $kernel);
+
+        $this
+            ->shouldThrow(InvalidArgumentException::class)
+            ->during('__invoke', [$event]);
+    }
+}

src/EventListener/SetPhpDirective.php

@@ -11,10 +11,12 @@
 
 namespace EcPhp\PhpDirectiveBundle\EventListener;
 
+use InvalidArgumentException;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\HttpKernel\KernelInterface;
+use Throwable;
 
 use const DIRECTORY_SEPARATOR;
 
@@ -35,31 +37,36 @@ public function __construct(ParameterBagInterface $parameterBag, LoggerInterface
 
     public function __invoke(RequestEvent $event): void
     {
-        $realIniFile = realpath(
-            $this->kernel->getProjectDir() .
-            DIRECTORY_SEPARATOR .
-            $this->parameterBag->get('php_directive')['user_ini_file']
-        );
+        $iniFile = $this->kernel->getProjectDir() .
+        DIRECTORY_SEPARATOR .
+        $this->parameterBag->get('php_directive')['user_ini_file'];
+
+        $realIniFile = realpath($iniFile);
 
         if (false === $realIniFile) {
-            $this->logger->error('Unable to find ini file.');
+            throw new InvalidArgumentException('Unable to find ini file: ' . $iniFile);
+        }
 
-            return;
+        try {
+            $parsedIniFile = parse_ini_file($realIniFile);
+        } catch (Throwable $e) {
+            throw new InvalidArgumentException(
+                sprintf(
+                    'Unable to parse ini file at %s.',
+                    $realIniFile
+                )
+            );
         }
 
-        $parsedIniFile = parse_ini_file($realIniFile);
+        var_dump($parsedIniFile);
 
         if (false === $parsedIniFile) {
-            $this
-                ->logger
-                ->error(
-                    sprintf(
-                        'Unable to parse ini file at %s.',
-                        $realIniFile
-                    )
-                );
-
-            return;
+            throw new InvalidArgumentException(
+                sprintf(
+                    'Unable to parse ini file at %s.',
+                    $realIniFile
+                )
+            );
         }
 
         foreach ($parsedIniFile as $key => $value) {
@@ -70,7 +77,7 @@ public function __invoke(RequestEvent $event): void
                     ->logger
                     ->error(
                         sprintf(
-                            'Unable to update PHP property %s.',
+                            'Unable to update PHP property "%s", skipping.',
                             $key
                         )
                     );