From d2ba73fe139a1fb370f7fc42494ebbaf05fb55a8 Mon Sep 17 00:00:00 2001
From: Jessica Mauerhan <jessicamauerhan@gmail.com>
Date: Thu, 24 Mar 2016 08:19:55 -0400
Subject: [PATCH] FallbackNodeProvider tests.

---
 .../Node/FallbackNodeProviderTest.php         | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 tests/src/Provider/Node/FallbackNodeProviderTest.php

diff --git a/tests/src/Provider/Node/FallbackNodeProviderTest.php b/tests/src/Provider/Node/FallbackNodeProviderTest.php
new file mode 100644
index 0000000..2b64949
--- /dev/null
+++ b/tests/src/Provider/Node/FallbackNodeProviderTest.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace Ramsey\Uuid\Test\Provider\Node;
+
+use Ramsey\Uuid\Provider\Node\FallbackNodeProvider;
+use Ramsey\Uuid\Test\TestCase;
+
+class FallbackNodeProviderTest extends TestCase
+{
+    public function testGetNodeCallsGetNodeOnEachProviderUntilNodeFound()
+    {
+        $providerWithNode = $this->getMock('Ramsey\Uuid\Provider\NodeProviderInterface');
+        $providerWithNode->expects($this->once())
+            ->method('getNode')
+            ->willReturn('57764a07f756');
+        $providerWithoutNode = $this->getMock('Ramsey\Uuid\Provider\NodeProviderInterface');
+        $providerWithoutNode->expects($this->once())
+            ->method('getNode')
+            ->willReturn(null);
+
+        $provider = new FallbackNodeProvider([$providerWithoutNode, $providerWithNode]);
+        $provider->getNode();
+    }
+
+    public function testGetNodeReturnsNodeFromFirstProviderWithNode()
+    {
+        $providerWithoutNode = $this->getMock('Ramsey\Uuid\Provider\NodeProviderInterface');
+        $providerWithoutNode->expects($this->once())
+            ->method('getNode')
+            ->willReturn(null);
+        $providerWithNode = $this->getMock('Ramsey\Uuid\Provider\NodeProviderInterface');
+        $providerWithNode->expects($this->once())
+            ->method('getNode')
+            ->willReturn('57764a07f756');
+        $anotherProviderWithoutNode = $this->getMock('Ramsey\Uuid\Provider\NodeProviderInterface');
+        $anotherProviderWithoutNode->expects($this->never())
+            ->method('getNode');
+
+        $provider = new FallbackNodeProvider([$providerWithoutNode, $providerWithNode, $anotherProviderWithoutNode]);
+        $node = $provider->getNode();
+        $this->assertEquals('57764a07f756', $node);
+    }
+
+    public function testGetNodeReturnsNullWhenNoNodesFound()
+    {
+        $providerWithoutNode = $this->getMock('Ramsey\Uuid\Provider\NodeProviderInterface');
+        $providerWithoutNode->method('getNode')
+            ->willReturn(null);
+
+        $provider = new FallbackNodeProvider([$providerWithoutNode]);
+        $node = $provider->getNode();
+        $this->assertNull($node);
+    }
+}