feat: allow access to interactor's reader/writer instance

src/IO/Interactor.php

@@ -30,6 +30,16 @@ public function __construct(string $input = null, string $output = null)
         $this->writer = new Writer($output);
     }
 
+    public function reader(): Reader
+    {
+        return $this->reader;
+    }
+
+    public function writer(): Writer
+    {
+        return $this->writer;
+    }
+
     /**
      * Confirms if user agrees to prompt as indicated by given text.
      *

tests/IO/InteractorTest.php

@@ -3,6 +3,8 @@
 namespace Ahc\Cli\Test\Helper;
 
 use Ahc\Cli\IO\Interactor;
+use Ahc\Cli\Input\Reader;
+use Ahc\Cli\Output\Writer;
 use PHPUnit\Framework\TestCase;
 
 class InteractorTest extends TestCase
@@ -22,6 +24,15 @@ public function tearDown()
         unlink(static::$ou);
     }
 
+    public function test_components()
+    {
+        $i = $this->newInteractor();
+
+        // Useless test :)
+        $this->assertInstanceOf(Reader::class, $i->reader());
+        $this->assertInstanceOf(Writer::class, $i->writer());
+    }
+
     public function test_confirm()
     {
         $i = $this->newInteractor('n');