Unit tests and some docs

.gitignore

@@ -0,0 +1,2 @@
+vendor
+composer.lock

phpunit.xml.dist

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+		 backupStaticAttributes="false"
+		 bootstrap="tests/TestFixture.php"
+		 colors="true"
+		 convertErrorsToExceptions="true"
+		 convertNoticesToExceptions="true"
+		 convertWarningsToExceptions="true"
+		 processIsolation="false"
+		 stopOnFailure="false"
+		 syntaxCheck="false"
+>
+
+  <filter>
+    <whitelist>
+      <directory>src/Flintstone</directory>
+    </whitelist>
+  </filter>
+
+   <testsuites>
+      <testsuite name="Flintstone Test Suite">
+         <directory>tests</directory>
+      </testsuite>
+   </testsuites>
+</phpunit>

src/Flintstone/Flintstone.php

@@ -36,4 +36,13 @@ public static function load($database, $options = array()) {
 
 		return self::$instance[$database];
 	}
+
+	/**
+	 * Unload a database
+	 * @param string $database the database name
+	 * @return void
+	 */
+	public static function unload($database) {
+		unset(self::$instance[$database]);
+	}
 }

tests/FeatureTest.php

@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * Flintstone Unit Tests
+ */
+
+class FeatureTest extends TestFixture {
+
+	/**
+	 * Test 'set' operations
+	 */
+	public function testSet() {
+		$this->assertTrue($this->db->set('a', '1'));
+		$this->assertTrue($this->db->set('b', 2));
+		$this->assertTrue($this->db->set('c', array(3, 4, 5)));
+	}
+
+	/**
+	 * Test 'set' operations
+	 * @expectedException Flintstone\FlintstoneException
+	 */
+	public function testSetException() {
+		$this->db->set('d', false);
+	}
+
+	/**
+	 * Test 'replace' operations
+	 */
+	public function testReplace() {
+		$this->assertTrue($this->db->set('a', '1'));
+		$this->assertTrue($this->db->replace('a', '2'));
+		$this->assertSame($this->db->get('a'), '2');
+	}
+
+	/**
+	 * Test 'get' operations
+	 */
+	public function testGet() {
+		$this->assertFalse($this->db->get('a'));
+		$this->assertTrue($this->db->set('a', '1'));
+		$this->assertSame($this->db->get('a'), '1');
+	}
+
+	/**
+	 * Test 'delete' operations
+	 */
+	public function testDelete() {
+		$this->assertFalse($this->db->delete('a'));
+		$this->assertTrue($this->db->set('a', '1'));
+		$this->assertTrue($this->db->delete('a'));
+		$this->assertFalse($this->db->get('a'));
+	}
+
+	/**
+	 * Test 'flush' operations
+	 */
+	public function testFlush() {
+		$this->assertTrue($this->db->set('a', '1'));
+		$this->assertTrue($this->db->set('b', 2));
+		$this->assertTrue($this->db->flush());
+		$this->assertFalse($this->db->get('a'));
+		$this->assertFalse($this->db->get('b'));
+	}
+
+	/**
+	 * Test 'getKeys' operations
+	 */
+	public function testGetKeys() {
+		$this->assertTrue($this->db->set('a', '1'));
+		$this->assertTrue($this->db->set('b', 2));
+		$this->assertTrue($this->db->set('c', array(3, 4, 5)));
+		$keys = $this->db->getKeys();
+		$this->assertEquals(3, count($keys));
+		$this->assertContains('a', $keys);
+	}
+}

tests/TestFixture.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Flintstone Unit Tests
+ */
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use Flintstone\Flintstone;
+
+class TestFixture extends \PHPUnit_Framework_TestCase {
+
+	/**
+	 * Flintstone database
+	 * @access protected
+	 * @var object
+	 */
+	protected $db;
+
+	/**
+	 * Load the test database
+	 */
+	public function setUp() {
+		$this->db = Flintstone::load('test', array('dir' => __DIR__));
+	}
+
+	/**
+	 * Unload the test database and remove
+	 */
+	public function tearDown() {
+		Flintstone::unload('test');
+		$file = __DIR__ . '/test.dat';
+		unlink($file);
+	}
+}