Keep track of ErrorManager errors

lib/ErrorManager.php

@@ -11,17 +11,30 @@ class ErrorManager
     /** @var Configuration */
     private $configuration;
 
+    /** @var string[] */
+    private $errors = [];
+
     public function __construct(Configuration $configuration)
     {
         $this->configuration = $configuration;
     }
 
     public function error(string $message) : void
     {
+        $this->errors[] = $message;
+
         if ($this->configuration->isAbortOnError()) {
             throw new Exception($message);
         }
 
         echo '/!\\ ' . $message . "\n";
     }
+
+    /**
+     * @return string[]
+     */
+    public function getErrors() : array
+    {
+        return $this->errors;
+    }
 }

tests/ErrorManagerTest.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\RST;
+
+use Doctrine\RST\Configuration;
+use Doctrine\RST\ErrorManager;
+use PHPUnit\Framework\TestCase;
+
+class ErrorManagerTest extends TestCase
+{
+    public function testGetErrors() : void
+    {
+        $configuration = $this->createMock(Configuration::class);
+        $configuration->expects(self::atLeastOnce())
+            ->method('isAbortOnError')
+            ->willReturn(false);
+
+        $errorManager = new ErrorManager($configuration);
+        $errorManager->error('ERROR FOO');
+        $errorManager->error('ERROR BAR');
+        self::assertSame(['ERROR FOO', 'ERROR BAR'], $errorManager->getErrors());
+    }
+}