/brz/remove-bazaar

# 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 breezy.pyutils."""

from breezy import (

    branch,

    tests,

    )

from breezy.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('breezy.branch'))

    def test_module_attr(self):

        self.assertIs(

            branch.Branch, get_named_object('breezy.branch', 'Branch'))

    def test_dotted_attr(self):

        self.assertIs(

            branch.Branch.hooks,

            get_named_object('breezy.branch', 'Branch.hooks'))

    def test_package(self):

        # breezy.tests is a package, not simply a module

        self.assertIs(tests, get_named_object('breezy.tests'))

    def test_package_attr(self):

        # breezy.tests is a package, not simply a module

        self.assertIs(

            tests.TestCase, get_named_object('breezy.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])