Test help command error

Author: natanfelles

src/Commands/Help.php

@@ -34,8 +34,10 @@ protected function showCommand(string $commandName) : void
         $command = $this->console->getCommand($commandName);
         if ($command === null) {
             CLI::error(
-                $this->console->getLanguage()->render('cli', 'commandNotFound', [$commandName])
+                $this->console->getLanguage()->render('cli', 'commandNotFound', [$commandName]),
+                \defined('TESTING') ? null : 1
             );
+            return;
         }
         CLI::write(CLI::style(
             $this->console->getLanguage()->render('cli', 'command') . ': ',

tests/Commands/HelpTest.php

@@ -10,6 +10,7 @@
 namespace Tests\CLI\Commands;
 
 use Framework\CLI\Console;
+use Framework\CLI\Streams\Stderr;
 use Framework\CLI\Streams\Stdout;
 use PHPUnit\Framework\TestCase;
 
@@ -28,4 +29,15 @@ public function testHelp() : void
         self::assertStringContainsString('Group', Stdout::getContents());
         self::assertStringContainsString('Options', Stdout::getContents());
     }
+
+    public function testError() : void
+    {
+        $console = new Console();
+        Stderr::init();
+        $console->exec('help foo');
+        self::assertStringContainsString(
+            'Command not found: "foo"',
+            Stderr::getContents()
+        );
+    }
 }