Ticket #30128: 30128.unit-tests-only.patch

tests/phpunit/tests/pluggable/wpMail.php

@@ -554 +554 @@
                 $phpmailer = $GLOBALS['phpmailer'];
                 $this->assertNotSame( 'user1', $phpmailer->AltBody );
         }
+
+        /**
+         * Test that multiple headers with the same name are sent correctly.
+         *
+         * @ticket 30128
+         * @ticket 56779
+         */
+        public function test_wp_mail_with_multiple_same_name_headers() {
+                $to      = 'test@example.com';
+                $subject = 'Testing Multiple Headers';
+                $message = 'This is a test message.';
+                $headers = array(
+                        'x-my-things: thing1',
+                        'x-my-things: thing2',
+                );
+
+                wp_mail( $to, $subject, $message, $headers );
+
+                $mailer      = tests_retrieve_phpmailer_instance();
+                $sent_header = $mailer->get_sent()->header;
+
+                $this->assertStringContainsString( 'x-my-things: thing1', $sent_header, 'The first header was not sent.' );
+                $this->assertStringContainsString( 'x-my-things: thing2', $sent_header, 'The second header was not sent.' );
+        }
+
+        /**
+         * Tests that headers are handled correctly in various formats.
+         *
+         * @dataProvider data_wp_mail_header_formats
+         *
+         * @ticket 30128
+         */
+        public function test_wp_mail_header_formats( $headers, $expected_strings ) {
+                wp_mail( 'test@example.com', 'Test', 'Message', $headers );
+
+                $mailer      = tests_retrieve_phpmailer_instance();
+                $sent_header = $mailer->get_sent()->header;
+
+                foreach ( $expected_strings as $expected_string ) {
+                        $this->assertStringContainsString( $expected_string, $sent_header );
+                }
+        }
+
+        /**
+         * Data provider for test_wp_mail_header_formats.
+         */
+        public function data_wp_mail_header_formats() {
+                return array(
+                        'associative array'                      => array(
+                                'headers'          => array(
+                                        'From' => 'Me Myself <me@example.org>',
+                                        'Cc'   => 'Isaaco Harrelson <iharrel@example.org>',
+                                ),
+                                'expected_strings' => array(
+                                        'From: Me Myself <me@example.org>',
+                                        'Cc: Isaaco Harrelson <iharrel@example.org>',
+                                ),
+                        ),
+                        'indexed array'                          => array(
+                                'headers'          => array(
+                                        'From: Me Myself <me@example.org>',
+                                        'Cc: Isaaco Harrelson <iharrel@example.org>',
+                                ),
+                                'expected_strings' => array(
+                                        'From: Me Myself <me@example.org>',
+                                        'Cc: Isaaco Harrelson <iharrel@example.org>',
+                                ),
+                        ),
+                        'associative array with multiple CCs'    => array(
+                                'headers'          => array(
+                                        'From' => 'Me Myself <me@example.org>',
+                                        'Cc'   => array(
+                                                'Isaaco Harrelson <iharrel@example.org>',
+                                                'frederick@wordpress.org',
+                                        ),
+                                ),
+                                'expected_strings' => array(
+                                        'From: Me Myself <me@example.org>',
+                                        'Cc: Isaaco Harrelson <iharrel@example.org>, frederick@wordpress.org',
+                                ),
+                        ),
+                );
+        }
 }