symfony · ogizanagi · Jan 8, 2017
diff --git a/src/Symfony/Component/Console/Input/Input.php b/src/Symfony/Component/Console/Input/Input.php
@@ -141,6 +141,22 @@ public function hasArgument($name)
         return $this->definition->hasArgument($name);
     }
 
+    /**
+     * @param string $name
+     *
+     * @return bool True if the argument was provided for this input
+     *
+     * @throws InvalidArgumentException When no InputArgument exists in the InputDefinition with this name
+     */
+    public function isArgumentProvided($name)
+    {
+        if (!$this->definition->hasArgument($name)) {
+            throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
+        }
+
+        return array_key_exists($name, $this->arguments);
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -181,6 +197,22 @@ public function hasOption($name)
         return $this->definition->hasOption($name);
     }
 
+    /**
+     * @param string $name
+     *
+     * @return bool True if the option was provided for this input
+     *
+     * @throws InvalidArgumentException When no InputOption exists in the InputDefinition with this name
+     */
+    public function isOptionProvided($name)
+    {
+        if (!$this->definition->hasOption($name)) {
+            throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
+        }
+
+        return array_key_exists($name, $this->options);
+    }
+
     /**
      * Escapes a token through escapeshellarg if it contains unsafe chars.
      *

diff --git a/src/Symfony/Component/Console/Tests/Input/InputTest.php b/src/Symfony/Component/Console/Tests/Input/InputTest.php
@@ -137,4 +137,46 @@ public function testSetGetStream()
         $input->setStream($stream);
         $this->assertSame($stream, $input->getStream());
     }
+
+    public function testIsArgumentProvided()
+    {
+        $definition = new InputDefinition(array(new InputArgument('name')));
+
+        $input = new ArrayInput(array(), $definition);
+        $this->assertFalse($input->isArgumentProvided('name'));
+
+        $input = new ArrayInput(array('name' => 'foo'), $definition);
+        $this->assertTrue($input->isArgumentProvided('name'));
+    }
+
+    /**
+     * @expectedException        \Symfony\Component\Console\Exception\InvalidArgumentException
+     * @expectedExceptionMessage The "name" argument does not exist.
+     */
+    public function testIsArgumentProvidedThrowsOnUndefinedArgument()
+    {
+        $input = new ArrayInput(array(), new InputDefinition());
+        $input->isArgumentProvided('name');
+    }
+
+    public function testIsOptionProvided()
+    {
+        $definition = new InputDefinition(array(new InputOption('bar')));
+
+        $input = new ArrayInput(array(), $definition);
+        $this->assertFalse($input->isOptionProvided('bar'));
+
+        $input = new ArrayInput(array('--bar' => 'foo'), $definition);
+        $this->assertTrue($input->isOptionProvided('bar'));
+    }
+
+    /**
+     * @expectedException        \Symfony\Component\Console\Exception\InvalidArgumentException
+     * @expectedExceptionMessage The "bar" option does not exist.
+     */
+    public function testIsOptionProvidedThrowsOnUndefinedOption()
+    {
+        $input = new ArrayInput(array(), new InputDefinition());
+        $input->isOptionProvided('bar');
+    }
 }