Issue #2082735 by damiankloip: Unit test Drupal\serialization\Normalizer\TypedDataNormalizer class.

core/modules/serialization/tests/Drupal/serialization/Tests/Normalizer/TypedDataNormalizerTest.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\serialization\Tests\Normalizer\TypedDataNormalizerTest
+ */
+
+namespace Drupal\serialization\Tests\Normalizer;
+
+use Drupal\Tests\UnitTestCase;
+use Drupal\serialization\Normalizer\TypedDataNormalizer;
+
+/**
+ * Tests the TypedDataNormalizer class.
+ *
+ * @see \Drupal\serialization\Normalizer\TypedDataNormalizer
+ *
+ * @group Drupal
+ */
+class TypedDataNormalizerTest extends UnitTestCase {
+
+  /**
+   * The TypedDataNormalizer instance.
+   *
+   * @var \Drupal\serialization\Normalizer\TypedDataNormalizer
+   */
+  protected $normalizer;
+
+  /**
+   * The mock typed data instance.
+   *
+   * @var \Drupal\Core\TypedData\TypedDataInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $typedData;
+
+  public static function getInfo() {
+    return array(
+      'name' => 'TypedDataNormalizer',
+      'description' => 'Tests the TypedDataNormalizer class.',
+      'group' => 'Serialization',
+    );
+  }
+
+  public function setUp() {
+    $this->normalizer = new TypedDataNormalizer();
+    $this->typedData = $this->getMock('Drupal\Core\TypedData\TypedDataInterface');
+  }
+
+  /**
+   * Tests the supportsNormalization() method.
+   */
+  public function testSupportsNormalization() {
+    $this->assertTrue($this->normalizer->supportsNormalization($this->typedData));
+    // Also test that an object not implementing TypedDataInterface fails.
+    $this->assertFalse($this->normalizer->supportsNormalization(new \stdClass()));
+  }
+
+  /**
+   * Tests the normalize() method.
+   */
+  public function testNormalize() {
+    $this->typedData->expects($this->once())
+      ->method('getValue')
+      ->will($this->returnValue('test'));
+
+    $this->assertEquals('test', $this->normalizer->normalize($this->typedData));
+  }
+
+}