From 78b5b71b94f5fe432c9fa865b88308431361c780 Mon Sep 17 00:00:00 2001
From: George Steel <george@net-glue.co.uk>
Date: Tue, 2 Jan 2024 14:49:47 +0000
Subject: [PATCH] Adds a `__toString()` method that proxies to the decorated
 input

Signed-off-by: George Steel <george@net-glue.co.uk>
---
 src/Input/AbstractParamAwareInput.php |  5 ++++-
 test/Input/ParamAwareInputTest.php    | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/Input/AbstractParamAwareInput.php b/src/Input/AbstractParamAwareInput.php
index bec5ba4..88f69e7 100644
--- a/src/Input/AbstractParamAwareInput.php
+++ b/src/Input/AbstractParamAwareInput.php
@@ -307,8 +307,11 @@ static function (mixed $value) use ($originalValidator) {
         return $originalValidator;
     }
 
+    /**
+     * Returns a stringified representation of the args passed to the command.
+     */
     public function __toString(): string
     {
-        return '';
+        return $this->input->__toString();
     }
 }
diff --git a/test/Input/ParamAwareInputTest.php b/test/Input/ParamAwareInputTest.php
index 870a29e..0bc111a 100644
--- a/test/Input/ParamAwareInputTest.php
+++ b/test/Input/ParamAwareInputTest.php
@@ -18,6 +18,7 @@
 use ReflectionMethod;
 use Symfony\Component\Console\Formatter\NullOutputFormatter;
 use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\ArrayInput;
 use Symfony\Component\Console\Input\InputDefinition;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\StreamableInputInterface;
@@ -636,4 +637,24 @@ public function testGetParamAllowsEmptyValuesForParamsWithValidationIfParamIsNot
 
         $this->assertNull($input->getParam('non-required'));
     }
+
+    public function testThatCastingToAStringProxiesToTheUnderlyingInputImplementation(): void
+    {
+        /**
+         * Mocking a concrete class here because `__toString` is not part of the InputInterface contract
+         */
+        $decoratedInput = $this->createMock(ArrayInput::class);
+        $decoratedInput->expects(self::atLeastOnce())
+            ->method('__toString')
+            ->willReturn('something');
+
+        $input = new $this->class(
+            $decoratedInput,
+            $this->output,
+            $this->helper,
+            $this->params,
+        );
+
+        self::assertSame('something', $input->__toString());
+    }
 }