Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/tests/Drupal/Tests/Component/Uuid/UuidTest.php

@@ -0,0 +1,101 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\Component\Uuid\UuidTest.
+ */
+
+namespace Drupal\Tests\Component\Uuid;
+
+use Drupal\Component\Uuid\Uuid;
+use Drupal\Component\Uuid\UuidInterface;
+use Drupal\Component\Uuid\Com;
+use Drupal\Component\Uuid\Pecl;
+use Drupal\Component\Uuid\Php;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Tests the handling of Universally Unique Identifiers (UUIDs).
+ *
+ * @group Uuid
+ */
+class UuidTest extends UnitTestCase {
+
+  /**
+   * Tests generating valid UUIDs.
+   *
+   * @dataProvider providerUuidInstances
+   */
+  public function testGenerateUuid(UuidInterface $instance) {
+    $this->assertTrue(Uuid::isValid($instance->generate()), sprintf('UUID generation for %s works.', get_class($instance)));
+  }
+
+  /**
+   * Tests that generated UUIDs are unique.
+   *
+   * @dataProvider providerUuidInstances
+   */
+  public function testUuidIsUnique(UuidInterface $instance) {
+    $this->assertNotEquals($instance->generate(), $instance->generate(), sprintf('Same UUID was not generated twice with %s.', get_class($instance)));
+  }
+
+  /**
+   * Dataprovider for UUID instance tests.
+   *
+   * @return array
+   */
+  public function providerUuidInstances() {
+
+    $instances = array();
+    $instances[][] = new Php();
+
+    // If valid PECL extensions exists add to list.
+    if (function_exists('uuid_create') && !function_exists('uuid_make')) {
+      $instances[][] = new Pecl();
+    }
+
+    // If we are on Windows add the com implementation as well.
+    if (function_exists('com_create_guid')) {
+      $instances[][] = new Com();
+    }
+
+    return $instances;
+  }
+
+  /**
+   * Tests UUID validation.
+   *
+   * @param string $uuid
+   *   The uuid to check against.
+   * @param bool $is_valid
+   *   Whether the uuid is valid or not.
+   * @param string $message
+   *   The message to display on failure.
+   *
+   * @dataProvider providerTestValidation
+   */
+  public function testValidation($uuid, $is_valid, $message) {
+    $this->assertSame($is_valid, Uuid::isValid($uuid), $message);
+  }
+
+  /**
+   * Dataprovider for UUID instance tests.
+   *
+   * @return array
+   *  An array of arrays containing
+   *   - The Uuid to check against.
+   *   - (bool) Whether or not the Uuid is valid.
+   *   - Failure message.
+   */
+  public function providerTestValidation() {
+    return array(
+      // These valid UUIDs.
+      array('6ba7b810-9dad-11d1-80b4-00c04fd430c8', TRUE, 'Basic FQDN UUID did not validate'),
+      array('00000000-0000-0000-0000-000000000000', TRUE, 'Minimum UUID did not validate'),
+      array('ffffffff-ffff-ffff-ffff-ffffffffffff', TRUE, 'Maximum UUID did not validate'),
+      // These are invalid UUIDs.
+      array('0ab26e6b-f074-4e44-9da-601205fa0e976', FALSE, 'Invalid format was validated'),
+      array('0ab26e6b-f074-4e44-9daf-1205fa0e9761f', FALSE, 'Invalid length was validated'),
+    );
+  }
+}