fix arguments resolver

Author: phpdevcommunity

src/CommandRunner.php

@@ -140,14 +140,14 @@ private function execute(CommandInterface $command, CommandParser $commandParser
 
         $arguments = $command->getArguments();
         foreach ($arguments as $key => $argument) {
-            $key = $argument->getName();
+            $keyArg = $argument->getName();
             if ($argument->isRequired() && (!$commandParser->hasArgument($key) || empty($commandParser->getArgumentValue($key)))) {
                 throw new InvalidArgumentException(sprintf('Argument "%s" is required for command "%s".', $argument->getName(), $command->getName()));
             }
             if ($commandParser->hasArgument($key)) {
-                $argv["--{$key}"] = $commandParser->getArgumentValue($key);
+                $argv["--{$keyArg}"] = $commandParser->getArgumentValue($key);
             }else {
-                $argv["--{$key}"] = $argument->getDefaultValue();
+                $argv["--{$keyArg}"] = $argument->getDefaultValue();
             }
         }
 

tests/InputTest.php

@@ -64,9 +64,7 @@ public function testGetOptionValue()
         $input = new Input('test', ['--option' => 'value'], []);
         $this->assertEquals('value', $input->getOptionValue('option'));
         $this->assertEquals('value', $input->getOptionValue('--option'));
-        $this->expectException(\InvalidArgumentException::class, function () use ($input) {
-            $input->getOptionValue('invalid');
-        });
+        $this->assertEquals(null, $input->getOptionValue('invalid'));
     }
 
     public function testGetArgumentValue()