Merge branch 'develop' into feature/checkForPriority

Author: jimmypuckett

Diff for: readme.md

@@ -32,6 +32,7 @@ You mixin the assertions with the ```Spinen\MailAssertions\MailTracking``` trait
 * seeEmailBcc
 * seeEmailCc
 * seeEmailContains
+* seeEmailContentTypeEquals
 * seeEmailCountEquals
 * seeEmailDoesNotContain
 * seeEmailEquals

Diff for: src/MailTracking.php

@@ -134,6 +134,24 @@ protected function seeEmailContains($excerpt, Swift_Message $message = null)
         return $this;
     }
 
+    /**
+     * Assert that the last email's content type equals the given text.
+     * For example, "text/plain" and "text/html" are valid content types for an email.
+     *
+     * @param string             $content_type
+     * @param Swift_Message|null $message
+     *
+     * @return PHPUnit_Framework_TestCase $this
+     */
+    protected function seeEmailContentTypeEquals($content_type, Swift_Message $message = null)
+    {
+        $this->assertEquals($content_type, $this->getEmail($message)
+                                                ->getContentType(),
+            "The last email sent did not contain the provided body.");
+
+        return $this;
+    }
+
     /**
      * Assert that the last email's body does not contain the given text.
      *

Diff for: tests/MailTrackingTest.php

@@ -156,6 +156,19 @@ public function it_checks_email_cc_address()
         $this->assertEquals($this->mail_tracking, $this->callProtectedMethod('seeEmailCc', ['cc@domain.tld']));
     }
 
+    /**
+     * @test
+     * @group unit
+     */
+    public function it_checks_email_content_type()
+    {
+        $message = $this->makeMessage();
+        $message->setContentType('text/html');
+        $this->mail_tracking->recordMail($message);
+
+        $this->assertEquals($this->mail_tracking, $this->callProtectedMethod('seeEmailContentTypeEquals', ['text/html']));
+    }
+
     /**
      * @test
      * @group unit