diff options
Diffstat (limited to 'obnamlib/fmt_ga/cowdelta_tests.py')
-rw-r--r-- | obnamlib/fmt_ga/cowdelta_tests.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/obnamlib/fmt_ga/cowdelta_tests.py b/obnamlib/fmt_ga/cowdelta_tests.py new file mode 100644 index 00000000..f0a5a5e6 --- /dev/null +++ b/obnamlib/fmt_ga/cowdelta_tests.py @@ -0,0 +1,52 @@ +# Copyright 2017 Lars Wirzenius +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program 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 General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +# =*= License: GPL-3+ =*= + + +import unittest + + +import obnamlib + + +class CowDeltaTests(unittest.TestCase): + + def test_is_empty_initially(self): + delta = obnamlib.CowDelta() + self.assertEqual(delta.keys(), []) + self.assertFalse('key' in delta) + + def test_remembers_key_value_pair(self): + delta = obnamlib.CowDelta() + delta.set('key', 'value') + self.assertEqual(delta.keys(), ['key']) + self.assertEqual(delta.get('key'), 'value') + self.assertTrue('key' in delta) + + def test_remembers_second_value_for_key(self): + delta = obnamlib.CowDelta() + delta.set('key', 'old-value') + delta.set('key', 'new-value') + self.assertEqual(delta.keys(), ['key']) + self.assertEqual(delta.get('key'), 'new-value') + self.assertTrue('key' in delta) + + def test_remembers_removed_key(self): + delta = obnamlib.CowDelta() + delta.remove('key') + self.assertEqual(delta.keys(), ['key']) + self.assertEqual(delta.get('key'), obnamlib.removed_key) + self.assertTrue('key' in delta) |