Add test for content-id header formatting

lubosdz · Oct 14, 2019 · b8c44fc · b8c44fc
1 parent 0dccabd
commit b8c44fc
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/test/PHPMailerTest.php b/test/PHPMailerTest.php
@@ -1303,6 +1303,23 @@ public function testEmbeddedImage()
 
         $this->buildBody();
         $this->assertTrue($this->Mail->send(), $this->Mail->ErrorInfo);
+        $this->Mail->clearAttachments();
+        $this->Mail->msgHTML('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>E-Mail Inline Image Test</title>
+  </head>
+  <body>
+    <p><img src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="></p>
+  </body>
+</html>');
+        $this->Mail->preSend();
+        $this->assertContains(
+            'Content-ID: <[email protected]>',
+            $this->Mail->getSentMIMEMessage(),
+            'Embedded image header encoding incorrect.'
+        );
         //For code coverage
         $this->Mail->addEmbeddedImage('thisfiledoesntexist', 'xyz'); //Non-existent file
         $this->Mail->addEmbeddedImage(__FILE__, '123'); //Missing name