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# 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
"""Tests for the alot.setting.utils module."""
import unittest
from unittest import mock
from alot.settings import utils
class TestResolveAtt(unittest.TestCase):
__patchers = []
fallback = mock.Mock()
fallback.foreground = 'some fallback foreground value'
fallback.background = 'some fallback background value'
@classmethod
def setUpClass(cls):
cls.__patchers.append(mock.patch(
'alot.settings.utils.AttrSpec',
mock.Mock(side_effect=lambda *args: args)))
for p in cls.__patchers:
p.start()
@classmethod
def tearDownClass(cls):
for p in cls.__patchers:
p.stop()
@staticmethod
def _mock(foreground, background):
"""Create a mock object that is needed very often."""
m = mock.Mock()
m.foreground = foreground
m.background = background
return m
def test_passing_none_returns_fallback(self):
actual = utils.resolve_att(None, self.fallback)
self.assertEqual(actual, self.fallback)
def test_empty_string_in_background_picks_up_background_from_fallback(self):
attr = self._mock('valid foreground', '')
expected = (attr.foreground, self.fallback.background)
actual = utils.resolve_att(attr, self.fallback)
self.assertTupleEqual(actual, expected)
def test_default_in_background_picks_up_background_from_fallback(self):
attr = self._mock('valid foreground', 'default')
expected = attr.foreground, self.fallback.background
actual = utils.resolve_att(attr, self.fallback)
self.assertTupleEqual(actual, expected)
def test_empty_string_in_foreground_picks_up_foreground_from_fallback(self):
attr = self._mock('', 'valid background')
expected = self.fallback.foreground, attr.background
actual = utils.resolve_att(attr, self.fallback)
self.assertTupleEqual(actual, expected)
def test_default_in_foreground_picks_up_foreground_from_fallback(self):
attr = self._mock('default', 'valid background')
expected = self.fallback.foreground, attr.background
actual = utils.resolve_att(attr, self.fallback)
self.assertTupleEqual(actual, expected)
def test_other_values_are_used(self):
attr = self._mock('valid foreground', 'valid background')
expected = attr.foreground, attr.background
actual = utils.resolve_att(attr, self.fallback)
self.assertTupleEqual(actual, expected)
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