Issue #2358995 by rpayanm, JeroenT, Alienpruts, gaurav.pahuja,...

Issue #2358995 by rpayanm, JeroenT, Alienpruts, gaurav.pahuja, er.pushpinderrana | Les Lim: Remove usage of drupal_wrap_mail().

core/lib/Drupal/Core/Mail/MailInterface.php

@@ -53,8 +53,8 @@ public function format(array $message);
    *   - subject: Subject of the email to be sent. This must not contain any
    *     newline characters, or the mail may not be sent properly.
    *   - body: Message to be sent. Accepts both CRLF and LF line-endings.
-   *     Email bodies must be wrapped. You can use drupal_wrap_mail() for
-   *     smart plain text wrapping.
+   *     Email bodies must be wrapped. For smart plain text wrapping you can use
+   *     \Drupal\Core\Mail\MailFormatHelper::wrapMail() .
    *   - headers: Associative array containing all additional mail headers not
    *     defined by one of the other parameters.  PHP's mail() looks for Cc and
    *     Bcc headers and sends the mail to addresses in these headers too.

core/lib/Drupal/Core/Mail/Plugin/Mail/PhpMail.php

@@ -38,7 +38,7 @@ public function format(array $message) {
     // Convert any HTML to plain-text.
     $message['body'] = MailFormatHelper::htmlToText($message['body']);
     // Wrap the mail body for sending.
-    $message['body'] = drupal_wrap_mail($message['body']);
+    $message['body'] = MailFormatHelper::wrapMail($message['body']);
 
     return $message;
   }

core/modules/system/src/Tests/Mail/HtmlToTextTest.php

@@ -362,28 +362,31 @@ public function testVeryLongLineWrap() {
   }
 
   /**
-   * Tests that drupal_wrap_mail() removes trailing whitespace before newlines.
+   * Tests that trailing whitespace is removed before newlines.
+   *
+   * @see \Drupal\Core\Mail\MailFormatHelper::wrapMail()
    */
   public function testRemoveTrailingWhitespace() {
     $text = "Hi there! \nHerp Derp";
-    $mail_lines = explode("\n", drupal_wrap_mail($text));
+    $mail_lines = explode("\n", MailFormatHelper::wrapMail($text));
     $this->assertNotEqual(" ", substr($mail_lines[0], -1), 'Trailing whitespace removed.');
   }
 
   /**
-   * Tests that drupal_wrap_mail() does not remove the trailing whitespace from
-   * Usenet style signatures.
+   * Tests that trailing whitespace from Usenet style signatures is not removed.
    *
    * RFC 3676 says, "This is a special case; an (optionally quoted or quoted and
    * stuffed) line consisting of DASH DASH SP is neither fixed nor flowed."
+   *
+   * @see \Drupal\Core\Mail\MailFormatHelper::wrapMail()
    */
   public function testUsenetSignature() {
     $text = "Hi there!\n-- \nHerp Derp";
-    $mail_lines = explode("\n", drupal_wrap_mail($text));
+    $mail_lines = explode("\n", MailFormatHelper::wrapMail($text));
     $this->assertEqual("-- ", $mail_lines[1], 'Trailing whitespace not removed for dash-dash-space signatures.');
 
     $text = "Hi there!\n--  \nHerp Derp";
-    $mail_lines = explode("\n", drupal_wrap_mail($text));
+    $mail_lines = explode("\n", MailFormatHelper::wrapMail($text));
     $this->assertEqual("--", $mail_lines[1], 'Trailing whitespace removed for incorrect dash-dash-space signatures.');
   }
 }

core/tests/Drupal/Tests/Core/Mail/MailFormatHelperTest.php

@@ -17,7 +17,7 @@
 class MailFormatHelperTest extends UnitTestCase {
 
   /**
-   * Makes sure that drupal_wrap_mail() wraps the correct types of lines.
+   * @covers ::wrapMail
    */
   public function testWrapMail() {
     $delimiter = "End of header\n";