Large update for version 2.0

tests/CartAssertions.php

@@ -0,0 +1,35 @@
+<?php
+
+use Gloudemans\Shoppingcart\Cart;
+use PHPUnit_Framework_Assert as PHPUnit;
+
+trait CartAssertions
+{
+
+    /**
+     * Assert that the cart contains the given number of items.
+     *
+     * @param int|float                     $items
+     * @param \Gloudemans\Shoppingcart\Cart $cart
+     */
+    public function assertItemsInCart($items, Cart $cart)
+    {
+        $actual = $cart->count();
+
+        PHPUnit::assertEquals($items, $cart->count(), "Expected the cart to contain {$items} items, but got {$actual}.");
+    }
+
+    /**
+     * Assert that the cart contains the given number of rows.
+     *
+     * @param int                           $rows
+     * @param \Gloudemans\Shoppingcart\Cart $cart
+     */
+    public function assertRowsInCart($rows, Cart $cart)
+    {
+        $actual = $cart->content()->count();
+
+        PHPUnit::assertCount($rows, $cart->content(), "Expected the cart to contain {$rows} rows, but got {$actual}.");
+    }
+
+}