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# Copyright (C) 2010 Canonical Ltd
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for bzrlib.pyutils."""
from bzrlib import (
branch,
tests,
)
from bzrlib.pyutils import (
calc_parent_name,
get_named_object,
)
class TestGetNamedObject(tests.TestCase):
"""Tests for get_named_object."""
def test_module_only(self):
import sys
self.assertIs(sys, get_named_object('sys'))
def test_dotted_module(self):
self.assertIs(branch, get_named_object('bzrlib.branch'))
def test_module_attr(self):
self.assertIs(
branch.Branch, get_named_object('bzrlib.branch', 'Branch'))
def test_dotted_attr(self):
self.assertIs(
branch.Branch.hooks,
get_named_object('bzrlib.branch', 'Branch.hooks'))
def test_package(self):
# bzrlib.tests is a package, not simply a module
self.assertIs(tests, get_named_object('bzrlib.tests'))
def test_package_attr(self):
# bzrlib.tests is a package, not simply a module
self.assertIs(
tests.TestCase, get_named_object('bzrlib.tests', 'TestCase'))
def test_import_error(self):
self.assertRaises(ImportError, get_named_object, 'NO_SUCH_MODULE')
def test_attribute_error(self):
self.assertRaises(
AttributeError, get_named_object, 'sys', 'NO_SUCH_ATTR')
class TestCalcParent_name(tests.TestCase):
"""Tests for calc_parent_name."""
def test_dotted_member(self):
self.assertEqual(
('mod_name', 'attr1', 'attr2'),
calc_parent_name('mod_name', 'attr1.attr2'))
def test_undotted_member(self):
self.assertEqual(
('mod_name', None, 'attr1'),
calc_parent_name('mod_name', 'attr1'))
def test_dotted_module_no_member(self):
self.assertEqual(
('mod', None, 'sub_mod'),
calc_parent_name('mod.sub_mod'))
def test_undotted_module_no_member(self):
err = self.assertRaises(AssertionError, calc_parent_name, 'mod_name')
self.assertEqual(
"No parent object for top-level module 'mod_name'", err.args[0])
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