Updated Invoicing APIs

- Updated Model objects.
- Updated Samples.
- Updated Tests.

tests/PayPal/Test/Api/TemplateTest.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace PayPal\Test\Api;
+
+use PayPal\Common\PayPalModel;
+use PayPal\Api\Template;
+
+/**
+ * Class Template
+ *
+ * @package PayPal\Test\Api
+ */
+class TemplateTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Gets Json String of Object Template
+     * @return string
+     */
+    public static function getJson()
+    {
+        return '{"template_id":"TestSample","name":"TestSample","default":true,"template_data":' .TemplateDataTest::getJson() . ',"settings":' .TemplateSettingsTest::getJson() . ',"unit_of_measure":"TestSample","custom":true}';
+    }
+
+    /**
+     * Gets Object Instance with Json data filled in
+     * @return Template
+     */
+    public static function getObject()
+    {
+        return new Template(self::getJson());
+    }
+
+
+    /**
+     * Tests for Serialization and Deserialization Issues
+     * @return Template
+     */
+    public function testSerializationDeserialization()
+    {
+        $obj = new Template(self::getJson());
+        $this->assertNotNull($obj);
+        $this->assertNotNull($obj->getTemplateId());
+        $this->assertNotNull($obj->getName());
+        $this->assertNotNull($obj->getDefault());
+        $this->assertNotNull($obj->getTemplateData());
+        $this->assertNotNull($obj->getSettings());
+        $this->assertNotNull($obj->getUnitOfMeasure());
+        $this->assertNotNull($obj->getCustom());
+        $this->assertEquals(self::getJson(), $obj->toJson());
+        return $obj;
+    }
+
+    /**
+     * @depends testSerializationDeserialization
+     * @param Template $obj
+     */
+    public function testGetters($obj)
+    {
+        $this->assertEquals($obj->getTemplateId(), "TestSample");
+        $this->assertEquals($obj->getName(), "TestSample");
+        $this->assertEquals($obj->getDefault(), true);
+        $this->assertEquals($obj->getTemplateData(), TemplateDataTest::getObject());
+        $this->assertEquals($obj->getSettings(), TemplateSettingsTest::getObject());
+        $this->assertEquals($obj->getUnitOfMeasure(), "TestSample");
+        $this->assertEquals($obj->getCustom(), true);
+    }
+
+
+}