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# encoding=utf-8
# Copyright (C) 2017 Lucas Hoffmann
# This file is released under the GNU GPL, version 3 or a later revision.
# For further details see the COPYING file
"""Test suite for alot.commands.thread module."""
import email
import unittest
from unittest import mock
from alot.commands import thread
from alot.account import Account
# Good descriptive test names often don't fit PEP8, which is meant to cover
# functions meant to be called by humans.
# pylint: disable=invalid-name
# These are tests, don't worry about names like "foo" and "bar"
# pylint: disable=blacklisted-name
class _AccountTestClass(Account):
"""Implements stubs for ABC methods."""
def send_mail(self, mail):
pass
class TestDetermineSender(unittest.TestCase):
header_priority = ["From", "To", "Cc", "Envelope-To", "X-Envelope-To",
"Delivered-To"]
mailstring = '\n'.join([
"From: from@example.com",
"To: to@example.com",
"Cc: cc@example.com",
"Envelope-To: envelope-to@example.com",
"X-Envelope-To: x-envelope-to@example.com",
"Delivered-To: delivered-to@example.com",
"Subject: Alot test",
"\n",
"Some content",
])
mail = email.message_from_string(mailstring)
def _test(self, accounts=(), expected=(), mail=None, header_priority=None,
force_realname=False, force_address=False):
"""This method collects most of the steps that need to be done for most
tests. Especially a closure to mock settings.get and a mock for
settings.get_accounts are set up."""
mail = self.mail if mail is None else mail
header_priority = self.header_priority if header_priority is None \
else header_priority
def settings_get(arg):
"""Mock function for setting.get()"""
if arg == "reply_account_header_priority":
return header_priority
elif arg.endswith('_force_realname'):
return force_realname
elif arg.endswith('_force_address'):
return force_address
with mock.patch('alot.commands.thread.settings.get_accounts',
mock.Mock(return_value=accounts)):
with mock.patch('alot.commands.thread.settings.get', settings_get):
actual = thread.determine_sender(mail)
self.assertTupleEqual(actual, expected)
def test_assert_that_some_accounts_are_defined(self):
with mock.patch('alot.commands.thread.settings.get_accounts',
mock.Mock(return_value=[])) as cm1:
with self.assertRaises(AssertionError) as cm2:
thread.determine_sender(None)
expected = ('no accounts set!',)
cm1.assert_called_once_with()
self.assertTupleEqual(cm2.exception.args, expected)
def test_default_account_is_used_if_no_match_is_found(self):
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='bar@example.com')
expected = ('foo@example.com', account1)
self._test(accounts=[account1, account2], expected=expected)
def test_matching_address_and_account_are_returned(self):
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='to@example.com')
account3 = _AccountTestClass(address='bar@example.com')
expected = ('to@example.com', account2)
self._test(accounts=[account1, account2, account3], expected=expected)
def test_force_realname_has_real_name_in_returned_address_if_defined(self):
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='to@example.com', realname='Bar')
account3 = _AccountTestClass(address='baz@example.com')
expected = ('Bar <to@example.com>', account2)
self._test(accounts=[account1, account2, account3], expected=expected,
force_realname=True)
def test_doesnt_fail_with_force_realname_if_real_name_not_defined(self):
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='to@example.com')
account3 = _AccountTestClass(address='bar@example.com')
expected = ('to@example.com', account2)
self._test(accounts=[account1, account2, account3], expected=expected,
force_realname=True)
def test_with_force_address_main_address_is_always_used(self):
# In python 3.4 this and the next test could be written as subtests.
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='bar@example.com',
aliases=['to@example.com'])
account3 = _AccountTestClass(address='bar@example.com')
expected = ('bar@example.com', account2)
self._test(accounts=[account1, account2, account3], expected=expected,
force_address=True)
def test_without_force_address_matching_address_is_used(self):
# In python 3.4 this and the previous test could be written as
# subtests.
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='bar@example.com',
aliases=['to@example.com'])
account3 = _AccountTestClass(address='baz@example.com')
expected = ('to@example.com', account2)
self._test(accounts=[account1, account2, account3], expected=expected,
force_address=False)
def test_uses_to_header_if_present(self):
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='to@example.com')
account3 = _AccountTestClass(address='bar@example.com')
expected = ('to@example.com', account2)
self._test(accounts=[account1, account2, account3], expected=expected)
def test_header_order_is_more_important_than_accounts_order(self):
account1 = _AccountTestClass(address='cc@example.com')
account2 = _AccountTestClass(address='to@example.com')
account3 = _AccountTestClass(address='bcc@example.com')
expected = ('to@example.com', account2)
self._test(accounts=[account1, account2, account3], expected=expected)
def test_accounts_can_be_found_by_alias_regex_setting(self):
account1 = _AccountTestClass(address='foo@example.com')
account2 = _AccountTestClass(address='to@example.com',
alias_regexp=r'to\+.*@example.com')
account3 = _AccountTestClass(address='bar@example.com')
mailstring = self.mailstring.replace('to@example.com',
'to+some_tag@example.com')
mail = email.message_from_string(mailstring)
expected = ('to+some_tag@example.com', account2)
self._test(accounts=[account1, account2, account3], expected=expected,
mail=mail)
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