add S/MIME signature mail test (#31593)

git-svn-id: http://svn.redmine.org/redmine/trunk@19808 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/mail_handler/smime_signature.eml

@@ -0,0 +1,89 @@
+Return-Path: <JSmith@somenet.foo>
+Message-ID: <be1f226987da486a0b50aa59eba6578a94571af0.camel@somenet.foo>
+Subject: Self-Signed S/MIME signature
+From: JSmith <JSmith@somenet.foo>
+To: <redmine@somenet.foo>
+Date: Wed, 03 Jun 2020 22:29:36 +0900
+Content-Type: multipart/signed; micalg="sha-256";
+	protocol="application/x-pkcs7-signature";
+	boundary="=-a6R2ultRPmAp8zmxN9qV"
+X-Mailer: Evolution 3.28.5 (3.28.5-8.el7) 
+Mime-Version: 1.0
+
+
+--=-a6R2ultRPmAp8zmxN9qV
+Content-Type: multipart/mixed; boundary="=-WFkuWLE/majN4BpDwkgg"
+
+
+--=-WFkuWLE/majN4BpDwkgg
+Content-Type: text/plain
+Content-Transfer-Encoding: quoted-printable
+
+smime.sh.txt describes how to create Self-Signed S/MIME Certs.
+
+--=-WFkuWLE/majN4BpDwkgg
+Content-Disposition: attachment; filename="smime.sh.txt"
+Content-Type: text/plain; name="smime.sh.txt"; charset="UTF-8"
+Content-Transfer-Encoding: base64
+
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+
+
+--=-WFkuWLE/majN4BpDwkgg--
+
+--=-a6R2ultRPmAp8zmxN9qV
+Content-Type: application/x-pkcs7-signature; name="smime.p7s"
+Content-Disposition: attachment; filename="smime.p7s"
+Content-Transfer-Encoding: base64
+
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+AAAA
+
+
+--=-a6R2ultRPmAp8zmxN9qV--
+

test/unit/mail_handler_test.rb

@@ -1282,6 +1282,22 @@ class MailHandlerTest < ActiveSupport::TestCase
     assert_equal false, MailHandler.safe_receive
   end
 
+  def test_smine_signature
+    issue = submit_email('smime_signature.eml', :issue => {:project => 'onlinestore'})
+    assert issue.is_a?(Issue)
+    assert !issue.new_record?
+    issue.reload
+    assert_equal 'Self-Signed S/MIME signature', issue.subject
+    assert_equal User.find_by_login('jsmith'), issue.author
+    assert_equal Project.find(2), issue.project
+    assert_equal 'smime.sh.txt describes how to create Self-Signed S/MIME Certs.', issue.description
+    assert_equal 2, issue.attachments.size
+    assert_equal 'smime.sh.txt', issue.attachments[0].filename
+    assert_equal 'text/plain', issue.attachments[0].content_type
+    assert_equal 'smime.p7s', issue.attachments[1].filename
+    assert_equal 'application/x-pkcs7-signature', issue.attachments[1].content_type
+  end
+
   private
 
   def submit_email(filename, options={})