def create_database(tree, path):
'''Create a new, empty database at 'path' in 'tree'.
A Database object for the new database is returned.
'''
if tree.does_path_exist(path):
raise FileExistsError('Path already exists: ' + str(path))
main = datafile.create_main_in_replacement_mode(tree, path)
main.append_item(datafile.ItemSetting(b'checksum', b'sha256'))
main.commit_and_close()
datafile.create_content_in_replacement_mode(tree, path).commit_and_close()
return Database(tree, path)
def test_create_typical_main(self):
tree = FakeTree()
tree._add_directory(('path', 'to'))
main = datafile.create_main_in_replacement_mode(
tree, ('path', 'to', 'db'))
main.append_item(datafile.ItemSetting(b'checksum', b'sha256'))
self.assertCountEqual(
(('path', 'to', 'db', 'main.new'), ('path', 'to', 'db')),
tree._files_modified)
main.commit_and_close()
self.assertCountEqual(
(('path', 'to', 'db'),
('path', 'to', 'db', 'main'),
('path', 'to', 'db', 'main.new')),
tree._files_modified)
self.assertNotIn(('path', 'to', 'db', 'main.new'), tree._files)
self.assertEqual(
testdata.dbfiledata('main-1'),
tree._files[('path', 'to', 'db', 'main')].content)
