testcases updated

updated testcases to match new json schema
and updates with camel case function names

tests/PayPal/Test/Api/DetailsTest.php

@@ -0,0 +1,45 @@
+<?php
+namespace PayPal\Test\Api;
+
+use PayPal\Api\Details;
+use PayPal\Test\Constants;
+
+class DetailsTest extends \PHPUnit_Framework_TestCase {
+
+	private $amountDetails;
+
+	public static $subtotal = "2.00";
+	public static $tax = "1.12";
+	public static $shipping = "3.15";
+	public static $fee = "4.99";
+
+	public static function createAmountDetails() {
+		$amountDetails = new Details();
+		$amountDetails->setSubtotal(self::$subtotal);
+		$amountDetails->setTax(self::$tax);
+		$amountDetails->setShipping(self::$shipping);
+		$amountDetails->setFee(self::$fee);
+		
+		return $amountDetails;
+	}
+
+	public function setup() {
+		$this->amountDetails = self::createAmountDetails();
+	}
+	
+	public function testGetterSetters() {
+		$this->assertEquals(self::$subtotal, $this->amountDetails->getSubtotal());
+		$this->assertEquals(self::$tax, $this->amountDetails->getTax());
+		$this->assertEquals(self::$shipping, $this->amountDetails->getShipping());
+		$this->assertEquals(self::$fee, $this->amountDetails->getFee());		
+	}
+	
+	public function testSerializeDeserialize() {
+		$a1 = $this->amountDetails;
+		
+		$a2 = new Details();
+		$a2->fromJson($a1->toJson());
+		
+		$this->assertEquals($a1, $a2);
+	}
+}