add tests for template class

templates.class.php

@@ -11,7 +11,6 @@ public function __construct($mailer){
     $this->mailer = $mailer;
   }
 
-
   public function preview($id, $substitution_data){
     $url = "{$this->endpoint}/{$id}/preview?draft=false";
 

tests/phpunit.xml.dist

@@ -18,6 +18,7 @@
 			<file>../mailer.smtp.class.php</file>
 			<file>../mailer.http.class.php</file>
 			<file>../admin.widget.class.php</file>
+			<file>../templates.class.php</file>
 		</whitelist>
 	</filter>
 	<logging>

tests/specs/test-templates.class.php

@@ -0,0 +1,98 @@
+<?php
+/**
+* @package wp-sparkpost
+*/
+namespace WPSparkPost;
+
+class TestTemplates extends \WP_UnitTestCase {
+    function test_it_should_set_mailer_obj(){
+      $mailer = new SparkPostHTTPMailer();
+      $templateObj = new SparkPostTemplates($mailer);
+
+      $this->assertTrue($templateObj->mailer instanceof SparkPostHTTPMailer);
+    }
+
+    function test_preview_returns_template_data() {
+      $mailer = $this->getMockBuilder('WPSparkPost\SparkPostHTTPMailer')
+        ->setMethods(array('request', 'get_request_headers', 'error', 'debug'))
+        ->getMock();
+
+      $response = array(
+        'response'  => array(
+          'code'  => 200
+        ),
+        'headers' => array(),
+        'body' =>  json_encode(array(
+          'results' => array(
+              'from' => array(
+                  'from' =>   'me@hello.com',
+                  'from_name' => 'me'
+              ),
+              'subject' => 'test subject',
+              'headers' => array(),
+              'html'  => '<h1>Hello there<h1>',
+              'text'  => 'hello there',
+              'reply_to'  => 'me@hello.com'
+          )
+        ))
+      );
+
+      $mailer->expects($this->once())
+        ->method('request')
+        ->will($this->returnValue($response));
+
+      $templateObj = new SparkPostTemplates($mailer);
+      $result = $templateObj->preview('abcd', array());
+      $this->assertEquals($result->subject, 'test subject');
+      $this->assertEquals($result->html, '<h1>Hello there<h1>');
+      $this->assertEquals($result->text, 'hello there');
+    }
+
+    function test_preview_returns_false_on_error() {
+      $mailer = $this->getMockBuilder('WPSparkPost\SparkPostHTTPMailer')
+        ->setMethods(array('request', 'get_request_headers', 'error', 'debug'))
+        ->getMock();
+
+      $response = array(
+        'response'  => array(
+          'code'  => 200
+        ),
+        'headers' => array(),
+        'body' =>  json_encode(array(
+          'errors' => array(
+            'some interesting error'
+          )
+        ))
+      );
+
+      $mailer->expects($this->once())
+        ->method('request')
+        ->will($this->returnValue($response));
+
+      $templateObj = new SparkPostTemplates($mailer);
+      $result = $templateObj->preview('abcd', array());
+      $this->assertEquals($result, false);
+    }
+
+    function test_preview_returns_false_on_unknown_error() {
+      $mailer = $this->getMockBuilder('WPSparkPost\SparkPostHTTPMailer')
+        ->setMethods(array('request', 'get_request_headers', 'error', 'debug'))
+        ->getMock();
+
+      $response = array(
+        'response'  => array(
+          'code'  => 200
+        ),
+        'headers' => array(),
+        'body' =>  json_encode(array('unknown_key' => 'unknown result'))
+      );
+
+      $mailer->expects($this->once())
+        ->method('request')
+        ->will($this->returnValue($response));
+
+      $templateObj = new SparkPostTemplates($mailer);
+      $result = $templateObj->preview('abcd', array());
+      $this->assertEquals($result, false);
+    }
+}