add test of quoted printable UTF-8 mail reviving (#14675)

git-svn-id: http://svn.redmine.org/redmine/trunk@12901 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/mail_handler/quoted_printable_utf8.eml

@@ -0,0 +1,19 @@
+Date: Tue, 13 Aug 2013 10:56:04 +0700
+From: John Smith <JSmith@somenet.foo>
+Content-Type: multipart/alternative; boundary=001a11c260fa53f8dc04e3cc380b
+Subject: issue 14675
+To: redmine@somenet.foo
+
+--001a11c260fa53f8dc04e3cc380b
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: quoted-printable
+
+Freundliche Gr=C3=BCsse
+
+--001a11c260fa53f8dc04e3cc380b
+Content-Type: text/html; charset=UTF-8
+Content-Transfer-Encoding: quoted-printable
+
+<div dir=3D"ltr">Freundliche Gr=C3=BCsse<br></div>
+
+--001a11c260fa53f8dc04e3cc380b--

test/unit/mail_handler_test.rb

@@ -529,6 +529,17 @@ class MailHandlerTest < ActiveSupport::TestCase
     assert_equal str, issue.subject
   end
 
+  def test_quoted_printable_utf8
+    issue = submit_email(
+              'quoted_printable_utf8.eml',
+              :issue => {:project => 'ecookbook'}
+            )
+    assert_kind_of Issue, issue
+    str = "Freundliche Gr\xc3\xbcsse"
+    str.force_encoding('UTF-8') if str.respond_to?(:force_encoding)
+    assert_equal str, issue.description
+  end
+
   def test_add_issue_with_japanese_subject
     issue = submit_email(
               'subject_japanese_1.eml',