RandomNodeProvider tests

tests/src/Provider/Node/RandomNodeProviderTest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Ramsey\Uuid\Test\Provider\Node;
+
+use Ramsey\Uuid\Provider\Node\RandomNodeProvider;
+use Ramsey\Uuid\Test\TestCase;
+use AspectMock\Test as AspectMock;
+
+class RandomNodeProviderTest extends TestCase
+{
+    private $num = 16532480;
+    private $node = 'fc4400fc4400';
+
+    public function setUp()
+    {
+        $this->skipIfHhvm();
+        parent::setUp();
+    }
+
+    public function tearDown()
+    {
+        parent::tearDown();
+        AspectMock::clean();
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testGetNodeUsesMtRand()
+    {
+        $mtRand = AspectMock::func('Ramsey\Uuid\Provider\Node', 'mt_rand', $this->num);
+        $provider = new RandomNodeProvider();
+        $provider->getNode();
+        $mtRand->verifyInvokedMultipleTimes(2, [0, 1 << 24]);
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testGetNodeFormatsRandomNumbersIntoHexString()
+    {
+        AspectMock::func('Ramsey\Uuid\Provider\Node', 'mt_rand', $this->num);
+        $sprintf = AspectMock::func('Ramsey\Uuid\Provider\Node', 'sprintf', $this->node);
+        $provider = new RandomNodeProvider();
+        $provider->getNode();
+        $sprintf->verifyInvoked(['%06x%06x', $this->num, $this->num]);
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testGetNodeReturnsHexString()
+    {
+        AspectMock::func('Ramsey\Uuid\Provider\Node', 'mt_rand', $this->num);
+        AspectMock::func('Ramsey\Uuid\Provider\Node', 'sprintf', $this->node);
+        $provider = new RandomNodeProvider();
+        $this->assertEquals($this->node, $provider->getNode());
+    }
+}