# -*- coding: utf-8 -*-

# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

"""unit tests for module cubicweb.mail"""

import os

import re

from socket import gethostname

import sys

from unittest import TestCase

from logilab.common.umessage import message_from_string

from cubicweb.devtools.testlib import CubicWebTC

from cubicweb.mail import format_mail, construct_message_id, parse_message_id

def getlogin():

    """avoid using os.getlogin() because of strange tty / stdin problems

    (man 3 getlogin)

    Another solution would be to use $LOGNAME, $USER or $USERNAME

    """

    if sys.platform != 'win32':

        import pwd

        return pwd.getpwuid(os.getuid())[0]

    else:

        return os.environ.get('USERNAME')

class EmailTC(CubicWebTC):

    def test_format_mail(self):

        self.set_option('sender-addr', 'bim@boum.fr')

        self.set_option('sender-name', 'BimBam')

        mail = format_mail({'name': 'oim', 'email': 'oim@logilab.fr'},

                           ['test@logilab.fr'], u'un petit cöucou', u'bïjour',

                           config=self.config)

        result = mail.as_string()

        result = re.sub('^Date: .*$', 'Date: now', result, flags=re.MULTILINE)

        self.assertMultiLineEqual(result, """\

MIME-Version: 1.0

Content-Type: text/plain; charset="utf-8"

Content-Transfer-Encoding: base64

Subject: =?utf-8?q?b=C3=AFjour?=

From: =?utf-8?q?oim?= <oim@logilab.fr>

Reply-to: =?utf-8?q?oim?= <oim@logilab.fr>, =?utf-8?q?BimBam?= <bim@boum.fr>

X-CW: data

To: test@logilab.fr

Date: now

dW4gcGV0aXQgY8O2dWNvdQ==

""")

        msg = message_from_string(mail.as_string())

        self.assertEqual(msg.get('subject'), u'bïjour')

        self.assertEqual(msg.get('from'), u'oim <oim@logilab.fr>')

        self.assertEqual(msg.get('to'), u'test@logilab.fr')

        self.assertEqual(msg.get('reply-to'), u'oim <oim@logilab.fr>, BimBam <bim@boum.fr>')

        self.assertEqual(msg.get_payload(decode=True), u'un petit cöucou')

    def test_format_mail_euro(self):

        mail = format_mail({'name': u'oîm', 'email': u'oim@logilab.fr'},

                           ['test@logilab.fr'], u'un petit cöucou €', u'bïjour €')

        result = mail.as_string()

        result = re.sub('^Date: .*$', 'Date: now', result, flags=re.MULTILINE)

        self.assertMultiLineEqual(result, """\

MIME-Version: 1.0

Content-Type: text/plain; charset="utf-8"

Content-Transfer-Encoding: base64

Subject: =?utf-8?b?YsOvam91ciDigqw=?=

From: =?utf-8?q?o=C3=AEm?= <oim@logilab.fr>

Reply-to: =?utf-8?q?o=C3=AEm?= <oim@logilab.fr>

To: test@logilab.fr

Date: now

dW4gcGV0aXQgY8O2dWNvdSDigqw=

""")

        msg = message_from_string(mail.as_string())

        self.assertEqual(msg.get('subject'), u'bïjour €')

        self.assertEqual(msg.get('from'), u'oîm <oim@logilab.fr>')

        self.assertEqual(msg.get('to'), u'test@logilab.fr')

        self.assertEqual(msg.get('reply-to'), u'oîm <oim@logilab.fr>')

        self.assertEqual(msg.get_payload(decode=True), u'un petit cöucou €')

    def test_format_mail_from_reply_to(self):

        # no sender-name, sender-addr in the configuration

        self.set_option('sender-name', '')

        self.set_option('sender-addr', '')

        msg = format_mail({'name': u'', 'email': u''},

                          ['test@logilab.fr'], u'un petit cöucou €', u'bïjour €',

                          config=self.config)

        self.assertEqual(msg.get('from'), u'')

        self.assertEqual(msg.get('reply-to'), None)

        msg = format_mail({'name': u'tutu', 'email': u'tutu@logilab.fr'},

                          ['test@logilab.fr'], u'un petit cöucou €', u'bïjour €',

                          config=self.config)

        msg = message_from_string(msg.as_string())

        self.assertEqual(msg.get('from'), u'tutu <tutu@logilab.fr>')

        self.assertEqual(msg.get('reply-to'), u'tutu <tutu@logilab.fr>')

        msg = format_mail({'name': u'tutu', 'email': u'tutu@logilab.fr'},

                          ['test@logilab.fr'], u'un petit cöucou €', u'bïjour €')

        msg = message_from_string(msg.as_string())

        self.assertEqual(msg.get('from'), u'tutu <tutu@logilab.fr>')

        self.assertEqual(msg.get('reply-to'), u'tutu <tutu@logilab.fr>')

        # set sender name and address as expected

        self.set_option('sender-name', 'cubicweb-test')

        self.set_option('sender-addr', 'cubicweb-test@logilab.fr')

        # anonymous notification: no name and no email specified

        msg = format_mail({'name': u'', 'email': u''},

                          ['test@logilab.fr'], u'un petit cöucou €', u'bïjour €',

                          config=self.config)

        msg = message_from_string(msg.as_string())

        self.assertEqual(msg.get('from'), u'cubicweb-test <cubicweb-test@logilab.fr>')

        self.assertEqual(msg.get('reply-to'), u'cubicweb-test <cubicweb-test@logilab.fr>')

        # anonymous notification: only email specified

        msg = format_mail({'email': u'tutu@logilab.fr'},

                          ['test@logilab.fr'], u'un petit cöucou €', u'bïjour €',

                          config=self.config)

        msg = message_from_string(msg.as_string())

        self.assertEqual(msg.get('from'), u'cubicweb-test <tutu@logilab.fr>')

        self.assertEqual(

            msg.get('reply-to'),

            u'cubicweb-test <tutu@logilab.fr>, cubicweb-test <cubicweb-test@logilab.fr>')

        # anonymous notification: only name specified

        msg = format_mail({'name': u'tutu'},

                          ['test@logilab.fr'], u'un petit cöucou €', u'bïjour €',

                          config=self.config)

        msg = message_from_string(msg.as_string())

        self.assertEqual(msg.get('from'), u'tutu <cubicweb-test@logilab.fr>')

        self.assertEqual(msg.get('reply-to'), u'tutu <cubicweb-test@logilab.fr>')

class MessageIdTC(TestCase):

    def test_base(self):

        msgid1 = construct_message_id('testapp', 21)

        msgid2 = construct_message_id('testapp', 21)

        self.assertNotEqual(msgid1, msgid2)

        self.assertNotIn('&', msgid1)

        self.assertNotIn('=', msgid1)

        self.assertNotIn('/', msgid1)

        self.assertNotIn('+', msgid1)

        values = parse_message_id(msgid1, 'testapp')

        self.assertTrue(values)

        # parse_message_id should work with or without surrounding <>

        self.assertEqual(values, parse_message_id(msgid1[1:-1], 'testapp'))

        self.assertEqual(values['eid'], '21')

        self.assertIn('timestamp', values)

        self.assertEqual(parse_message_id(msgid1[1:-1], 'anotherapp'), None)

    def test_notimestamp(self):

        msgid1 = construct_message_id('testapp', 21, False)

        construct_message_id('testapp', 21, False)

        values = parse_message_id(msgid1, 'testapp')

        self.assertEqual(values, {'eid': '21'})

    def test_parse_message_doesnt_raise(self):

        self.assertEqual(parse_message_id('oijioj@bla.bla', 'tesapp'), None)

        self.assertEqual(parse_message_id('oijioj@bla', 'tesapp'), None)

        self.assertEqual(parse_message_id('oijioj', 'tesapp'), None)

    def test_nonregr_empty_message_id(self):

        for eid in (1, 12, 123, 1234):

            msgid1 = construct_message_id('testapp', eid, 12)

            self.assertNotEqual(msgid1, '<@testapp.%s>' % gethostname())

if __name__ == '__main__':

    from logilab.common.testlib import unittest_main

    unittest_main()