From 79694fb346258ff89a3362f095b11a1e5c92ca12 Mon Sep 17 00:00:00 2001
From: Rinsvent <rinsvent007@gmail.com>
Date: Sat, 2 Apr 2022 00:07:13 +0700
Subject: [PATCH] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB=20to?=
 =?UTF-8?q?String=20=D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=BE=D1=80=D0=BC?=
 =?UTF-8?q?=D0=B5=D1=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Transformer/ToString.php            | 14 +++++++++++++
 src/Transformer/ToStringTransformer.php | 26 +++++++++++++++++++++++++
 tests/unit/ToStringTransformTest.php    | 22 +++++++++++++++++++++
 tests/unit/fixtures/Foo.php             | 11 +++++++++++
 4 files changed, 73 insertions(+)
 create mode 100644 src/Transformer/ToString.php
 create mode 100644 src/Transformer/ToStringTransformer.php
 create mode 100644 tests/unit/ToStringTransformTest.php
 create mode 100644 tests/unit/fixtures/Foo.php

diff --git a/src/Transformer/ToString.php b/src/Transformer/ToString.php
new file mode 100644
index 0000000..de46d46
--- /dev/null
+++ b/src/Transformer/ToString.php
@@ -0,0 +1,14 @@
+<?php
+declare(strict_types=1);
+
+namespace Rinsvent\Transformer\Transformer;
+
+#[\Attribute(\Attribute::TARGET_ALL|\Attribute::IS_REPEATABLE)]
+class ToString extends Meta
+{
+    public function __construct(
+        public array $tags = ['default'],
+    ) {
+        parent::__construct(...func_get_args());
+    }
+}
diff --git a/src/Transformer/ToStringTransformer.php b/src/Transformer/ToStringTransformer.php
new file mode 100644
index 0000000..ece5d64
--- /dev/null
+++ b/src/Transformer/ToStringTransformer.php
@@ -0,0 +1,26 @@
+<?php
+declare(strict_types=1);
+
+namespace Rinsvent\Transformer\Transformer;
+
+use function PHPUnit\Framework\equalTo;
+
+class ToStringTransformer implements TransformerInterface
+{
+    /**
+     * @param string|null $data
+     * @param ToString $meta
+     * @return string|null
+     */
+    public function transform(mixed $data, Meta $meta): mixed
+    {
+        if ($data === null) {
+            return $data;
+        }
+        try {
+            return (string)$data;
+        } catch (\Throwable) {
+            return $data;
+        }
+    }
+}
diff --git a/tests/unit/ToStringTransformTest.php b/tests/unit/ToStringTransformTest.php
new file mode 100644
index 0000000..3a6ac1c
--- /dev/null
+++ b/tests/unit/ToStringTransformTest.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Rinsvent\DTO2Data\Tests\Converter;
+
+use tests\unit\fixtures\Foo;
+use Rinsvent\Transformer\Transformer;
+
+class ToStringTransformTest extends \Codeception\Test\Unit
+{
+    /**
+     * @var \UnitTester
+     */
+    protected $tester;
+
+    // tests
+    public function testSuccessFillRequestData()
+    {
+        $t = new Transformer();
+        $actual = $t->transform(new Foo(), new Transformer\ToString());
+        $this->assertEquals('to_string', $actual);
+    }
+}
diff --git a/tests/unit/fixtures/Foo.php b/tests/unit/fixtures/Foo.php
new file mode 100644
index 0000000..780842c
--- /dev/null
+++ b/tests/unit/fixtures/Foo.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace tests\unit\fixtures;
+
+class Foo
+{
+    public function __toString(): string
+    {
+        return 'to_string';
+    }
+}