1 files changed, 74 insertions, 0 deletions
diff --git a/tests/settings/test_utils.py b/tests/settings/test_utils.py
new file mode 100644
index 00000000..869054ce
--- /dev/null
+++ b/tests/settings/test_utils.py
@@ -0,0 +1,74 @@
+# 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
+
+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)