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#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
import unittest
import os
import uuid
from pixelated.adapter.tag_index import TagIndex
from pixelated.adapter.tag import Tag
class TestTagIndex(unittest.TestCase):
def setUp(self):
self.db_path = '/tmp/test_tag_index_' + str(uuid.uuid4())
self.tag_index = TagIndex(self.db_path)
def tearDown(self):
self.tag_index._close_db()
os.remove(self.db_path + '.db')
def test_get_and_set_works(self):
tag = Tag('a_tag')
self.tag_index.set(tag)
self.assertEquals(tag, self.tag_index.get('a_tag'))
def test_values_returns_all_values_in_the_index(self):
tag_a = Tag('tag_a')
self.tag_index.set(tag_a)
tag_b = Tag('tag_b')
self.tag_index.set(tag_b)
tag_c = Tag('tag_c')
self.tag_index.set(tag_c)
self.assertEquals(set([tag_a, tag_b, tag_c]), self.tag_index.values())
def test_changes_are_visible_between_instances_using_same_file(self):
tag = Tag('some_tag')
self.tag_index.set(tag)
other_tag_index = TagIndex(self.db_path)
self.assertIn(tag, other_tag_index.values())
def test_add_does_not_replace_existent_tag_with_same_name(self):
tag = Tag('tag', True)
self.tag_index.set(tag)
same_name_tag = Tag('tag', False)
self.tag_index.add(same_name_tag)
self.assertEquals(True, self.tag_index.get('tag').default)
def test_empty_returns_true_if_there_are_no_values(self):
self.assertTrue(self.tag_index.empty())
def test_empty_returns_false_if_there_are_values(self):
self.tag_index.set(Tag('tag'))
self.assertFalse(self.tag_index.empty())
def test_remove_deletes_the_tag_with_the_given_key_from_the_index(self):
self.tag_index.set(Tag('tag'))
self.tag_index.remove('tag')
self.assertEquals(None, self.tag_index.get('tag'))
def test_remove_does_not_raises_exception_if_key_is_not_present(self):
self.tag_index.remove('not_there')
def test_removals_are_visible_between_instances_using_same_file(self):
tag = Tag('some_tag')
self.tag_index.set(tag)
other_tag_index = TagIndex(self.db_path)
other_tag_index.remove('some_tag')
self.assertIsNone(self.tag_index.get('some_tag'))
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