Add tests

Author: narendravaghela

.travis.yml

@@ -9,7 +9,7 @@ sudo: false
 
 env:
   global:
-    - DEFAULT=0
+    - DEFAULT=1
 
 matrix:
   fast_finish: true

tests/TestCase/Mailer/Transport/ElasticEmailTransportTest.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * Elastic Email Plugin for CakePHP 3
+ * Copyright (c) PNG Labz (https://www.pnglabz.com)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.md
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright Copyright (c) PNG Labz (https://www.pnglabz.com)
+ * @license   https://opensource.org/licenses/mit-license.php MIT License
+ * @link      https://github.com/pnglabz/cakephp-elastic-email
+ * @since     1.0.0
+ */
+namespace ElasticEmail\Test\TestCase\Mailer\Transport;
+
+use Cake\Mailer\Email;
+use Cake\TestSuite\TestCase;
+
+class ElasticEmailTransportTest extends TestCase
+{
+    public function setUp()
+    {
+        parent::setUp();
+    }
+
+    public function testMissingApiKey()
+    {
+        $this->expectException('ElasticEmail\Mailer\Exception\MissingElasticEmailApiKeyException');
+
+        Email::setConfigTransport(
+            'elasticemail',
+            [
+                'className' => 'ElasticEmail.ElasticEmail',
+                'apiKey' => ''
+            ]
+        );
+
+        $email = new Email();
+        $email->setProfile(['transport' => 'elasticemail']);
+        $email->setFrom(['from@example.com' => 'CakePHP Elastic Email'])
+            ->setTo('to@example.com')
+            ->setEmailFormat('both')
+            ->setSubject('{title} - Email from CakePHP Elastic Email plugin')
+            ->send('Hello {firstname} {lastname}, <br> This is an email from CakePHP Elastic Email plugin.');
+    }
+}