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vendor/symfony/serializer/Tests/Normalizer/JsonSerializableNormalizerTest.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Tests\Normalizer;
+
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Serializer\Normalizer\JsonSerializableNormalizer;
+use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
+use Symfony\Component\Serializer\SerializerInterface;
+use Symfony\Component\Serializer\Tests\Fixtures\JsonSerializableDummy;
+
+/**
+ * @author Fred Cox <mcfedr@gmail.com>
+ */
+class JsonSerializableNormalizerTest extends TestCase
+{
+    /**
+     * @var JsonSerializableNormalizer
+     */
+    private $normalizer;
+
+    /**
+     * @var MockObject|SerializerInterface
+     */
+    private $serializer;
+
+    protected function setUp()
+    {
+        $this->serializer = $this->getMockBuilder(JsonSerializerNormalizer::class)->getMock();
+        $this->normalizer = new JsonSerializableNormalizer();
+        $this->normalizer->setSerializer($this->serializer);
+    }
+
+    public function testSupportNormalization()
+    {
+        $this->assertTrue($this->normalizer->supportsNormalization(new JsonSerializableDummy()));
+        $this->assertFalse($this->normalizer->supportsNormalization(new \stdClass()));
+    }
+
+    public function testNormalize()
+    {
+        $this->serializer
+            ->expects($this->once())
+            ->method('normalize')
+            ->willReturnCallback(function ($data) {
+                $this->assertSame(['foo' => 'a', 'bar' => 'b', 'baz' => 'c'], array_diff_key($data, ['qux' => '']));
+
+                return 'string_object';
+            })
+        ;
+
+        $this->assertEquals('string_object', $this->normalizer->normalize(new JsonSerializableDummy()));
+    }
+
+    public function testCircularNormalize()
+    {
+        $this->expectException('Symfony\Component\Serializer\Exception\CircularReferenceException');
+        $this->normalizer->setCircularReferenceLimit(1);
+
+        $this->serializer
+            ->expects($this->once())
+            ->method('normalize')
+            ->willReturnCallback(function ($data, $format, $context) {
+                $this->normalizer->normalize($data['qux'], $format, $context);
+
+                return 'string_object';
+            })
+        ;
+
+        $this->assertEquals('string_object', $this->normalizer->normalize(new JsonSerializableDummy()));
+    }
+
+    public function testInvalidDataThrowException()
+    {
+        $this->expectException('Symfony\Component\Serializer\Exception\InvalidArgumentException');
+        $this->expectExceptionMessage('The object must implement "JsonSerializable".');
+        $this->normalizer->normalize(new \stdClass());
+    }
+}
+
+abstract class JsonSerializerNormalizer implements SerializerInterface, NormalizerInterface
+{
+}