Initial commit cache

test/Unit/Adapter/NullAdapterTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace IQParts\CacheTest\Unit\Adapter;
+
+use IQParts\CacheTest\AbstractTestCase;
+use IQParts\Cache\Adapter\NullAdapter;
+
+final class NullAdapterTest extends AbstractTestCase
+{
+    public function testNullAdapter()
+    {
+        $adapter = new NullAdapter();
+        $adapter->set('a', 'b');
+        $this->assertEquals(null, $adapter->get('a'));
+        $adapter->delete('a');
+        $this->assertEquals([], $adapter->keys());
+        $this->assertEquals(0, $adapter->ttl('a'));
+    }
+}