Add ArrayQueryLoader

src/QueryLoader/ArrayQueryLoader.php

@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * This file is part of cocur/nqm.
+ *
+ * (c) Florian Eckerstorfer <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\NQM\QueryLoader;
+
+use Cocur\NQM\Exception\QueryNotExistsException;
+
+/**
+ * Stories queries in an array.
+ *
+ *     use Cocur\NQM\QueryLoader\ArrayQueryLoader;
+ *
+ *     $cache = new ArrayQueryLoader(['foo' => 'SELECT ...;']);
+ *
+ *     $pdo = new \PDO(...);
+ *     $nqm = new NQM($pdo, $cache);
+ *
+ * @package    cocur/nqm
+ * @subpackage queryloader
+ * @author     Florian Eckerstorfer <[email protected]>
+ * @copyright  2013-2015 Florian Eckerstorfer
+ * @license    http://opensource.org/licenses/MIT The MIT License
+ */
+class ArrayQueryLoader implements QueryLoaderInterface
+{
+    /** @var string[] */
+    private $queries = [];
+
+    /**
+     * @param string[] $queries
+     *
+     * @codeCoverageIgnore
+     */
+    public function __construct(array $queries)
+    {
+        $this->queries = $queries;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasQuery($name)
+    {
+        if (isset($this->queries[$name])) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getQuery($name)
+    {
+        if (isset($this->queries[$name])) {
+            return $this->queries[$name];
+        }
+
+        throw new QueryNotExistsException(sprintf('There exists no query with the name "%s".', $name));
+    }
+}

tests/QueryLoader/ArrayQueryLoaderTest.php

@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * This file is part of cocur/nqm.
+ *
+ * (c) Florian Eckerstorfer <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\NQM\QueryLoader;
+
+use Cocur\NQM\QueryLoader\ArrayQueryLoader;
+use Mockery as m;
+
+/**
+ * ArrayQueryLoaderTest
+ *
+ * @category  test
+ * @package   cocur/nqm
+ * @author    Florian Eckerstorfer <[email protected]>
+ * @copyright 2013-2015 Florian Eckerstorfer
+ * @license   http://opensource.org/licenses/MIT The MIT License
+ * @group     unit
+ */
+class ArrayQueryLoaderTest extends \PHPUnit_Framework_TestCase
+{
+    /** @var ArrayQueryLoader */
+    private $loader;
+
+    public function setUp()
+    {
+        $this->loader = new ArrayQueryLoader(['foo' => 'SELECT;']);
+    }
+
+    /**
+     * @test
+     * @covers Cocur\NQM\QueryLoader\ArrayQueryLoader::hasQuery()
+     */
+    public function hasQueryReturnsTrueIfQueryExists()
+    {
+        $this->assertTrue($this->loader->hasQuery('foo'));
+    }
+
+    /**
+     * @test
+     * @covers Cocur\NQM\QueryLoader\ArrayQueryLoader::hasQuery()
+     */
+    public function hasQueryReturnsFalseIfQueryDoesNotExist()
+    {
+        $this->assertFalse($this->loader->hasQuery('invalid'));
+    }
+
+    /**
+     * @test
+     * @covers Cocur\NQM\QueryLoader\ArrayQueryLoader::getQuery()
+     */
+    public function getQueryReturnsQueryIfQueryExists()
+    {
+        $this->assertEquals('SELECT;', $this->loader->getQuery('foo'));
+    }
+
+    /**
+     * @test
+     * @covers Cocur\NQM\QueryLoader\ArrayQueryLoader::getQuery()
+     * @expectedException \Cocur\NQM\Exception\QueryNotExistsException
+     */
+    public function getQueryThrowsExceptionIfQueryDoesNotExist()
+    {
+        $this->loader->getQuery('invalid');
+    }
+}