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# Copyright 2014 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 distixlib
class MetadataTests(unittest.TestCase):
def setUp(self):
self.metadata = distixlib.Metadata()
def test_is_empty_initially(self):
self.assertListEqual(self.metadata.keys(), [])
def test_adds_key_value_pair(self):
self.metadata.add('key', 'value')
self.assertListEqual(self.metadata.keys(), ['key'])
self.assertListEqual(self.metadata.get_all_values('key'), ['value'])
def test_adds_second_value_to_key(self):
self.metadata.add('key', 'value1')
self.metadata.add('key', 'value2')
self.assertListEqual(self.metadata.keys(), ['key'])
self.assertItemsEqual(
self.metadata.get_all_values('key'),
['value1', 'value2'])
def test_get_first_value_returns_value_that_was_added_first(self):
self.metadata.add('key', 'value1')
self.metadata.add('key', 'value2')
self.assertEqual(self.metadata.get_first_value('key'), 'value1')
def test_get_first_value_returns_default_if_key_not_present(self):
self.assertEqual(
self.metadata.get_first_value('key', default='foo'),
'foo')
def test_add_second_key(self):
self.metadata.add('key1', 'value1')
self.metadata.add('key2', 'value2')
self.assertItemsEqual(
self.metadata.keys(),
['key1', 'key2'])
self.assertListEqual(self.metadata.get_all_values('key1'), ['value1'])
self.assertListEqual(self.metadata.get_all_values('key2'), ['value2'])
def test_remove_only_value_from_key(self):
self.metadata.add('key', 'value')
self.metadata.remove('key', 'value')
self.assertListEqual(self.metadata.keys(), [])
def test_remove_second_value_from_key(self):
self.metadata.add('key1', 'value1')
self.metadata.add('key2', 'value2')
self.metadata.remove('key1', 'value1')
self.assertListEqual(self.metadata.keys(), ['key2'])
self.assertListEqual(self.metadata.get_all_values('key2'), ['value2'])
def test_remove_both_values_from_key(self):
self.metadata.add('key1', 'value1')
self.metadata.add('key2', 'value2')
self.metadata.remove('key2', 'value2')
self.metadata.remove('key1', 'value1')
self.assertListEqual(self.metadata.keys(), [])
def test_removes_all_values(self):
self.metadata.add('key', 'value1')
self.metadata.add('key', 'value2')
self.metadata.remove_all_values('key')
self.assertListEqual(self.metadata.keys(), [])
def test_doesnt_contain_initially(self):
self.assertFalse('key' in self.metadata)
def test_contains_added_key(self):
self.metadata.add('key', 'value')
self.assertTrue('key' in self.metadata)
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