Started unit test for cart.

module/VuFind/tests/unit-tests/src/CartTest.php

+<?php
+/**
+ * Cart Test Class
+ *
+ * PHP version 5
+ *
+ * Copyright (C) Villanova University 2010.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * @category VuFind2
+ * @package  Tests
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     http://vufind.org/wiki/vufind2:unit_tests Wiki
+ */
+namespace VuFind\Test;
+
+/**
+ * Cart Test Class
+ *
+ * @category VuFind2
+ * @package  Tests
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     http://vufind.org/wiki/vufind2:unit_tests Wiki
+ */
+class CartTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Mock record loader
+     *
+     * @param \VuFind\Record\Loader
+     */
+    protected $loader;
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->loader = $this->getMock('VuFind\Record\Loader');
+    }
+
+    /**
+     * Build a mock cart object.
+     *
+     * @param int   $maxSize Maximum size of cart contents
+     * @param bool  $active  Is cart enabled?
+     * @param array $cookies Current cookie values
+     *
+     * @return \VuFind\Cart
+     */
+    protected function getCart($maxSize = 100, $active = true, $cookies = array())
+    {
+        return $this->getMock(
+            'VuFind\Cart', array('setCookie'),
+            array($this->loader, $maxSize, $active, $cookies)
+        );
+    }
+
+    /**
+     * Check that the cart is empty by default.
+     *
+     * @return void
+     */
+    public function testEmptyCart()
+    {
+        $cart = $this->getCart();
+        $this->assertTrue($cart->isEmpty());
+        $this->assertEquals(array(), $cart->getItems());
+    }
+
+    /**
+     * Check that the cart correctly registers a maximum size.
+     *
+     * @return void
+     */
+    public function testMaxSize()
+    {
+        $cart = $this->getCart(50);
+        $this->assertEquals(50, $cart->getMaxSize());
+    }
+
+    /**
+     * Test that the cart can fill up.
+     *
+     * @return void
+     */
+    public function testFullCart()
+    {
+        $cart = $this->getCart(2); // create a very small cart
+        $this->assertFalse($cart->isFull());
+        $this->assertEquals(array('success' => true), $cart->addItem('VuFind|a'));
+        $this->assertFalse($cart->isFull());
+        $this->assertEquals(array('success' => true), $cart->addItem('VuFind|b'));
+        $this->assertTrue($cart->isFull());
+        $this->assertEquals(
+            array('success' => false, 'notAdded' => 1), $cart->addItem('VuFind|c')
+        );
+    }
+
+    /**
+     * Test an active cart.
+     *
+     * @return void
+     */
+    public function testActiveCart()
+    {
+        $cart = $this->getCart();
+        $this->assertTrue($cart->isActive());
+    }
+
+    /**
+     * Test a disabled cart.
+     *
+     * @return void
+     */
+    public function testDisabledCart()
+    {
+        $cart = $this->getCart(100, false);
+        $this->assertFalse($cart->isActive());
+    }
+
+    /**
+     * Test that the save method writes the expected cookies.
+     *
+     * @return void
+     */
+    public function testCookieWrite()
+    {
+        $cart = $this->getCart();
+        $cart->expects($this->at(0))
+            ->method('setCookie')
+            ->with($this->equalTo('vufind_cart'), $this->equalTo('Aa'));
+        $cart->expects($this->at(1))
+            ->method('setCookie')
+            ->with($this->equalTo('vufind_cart_src'), $this->equalTo('VuFind'));
+        $cart->addItem('VuFind|a');
+    }
+}
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