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# Copyright (C) 2011 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 the ControlDir facility.
For interface contract tests, see tests/per_control_dir.
"""
from bzrlib import (
controldir,
errors,
tests,
ui,
)
from bzrlib.tests.scenarios import load_tests_apply_scenarios
load_tests = load_tests_apply_scenarios
class SampleComponentFormat(controldir.ControlComponentFormat):
def get_format_string(self):
return "Example component format."
class SampleExtraComponentFormat(controldir.ControlComponentFormat):
"""Extra format, no format string."""
class TestMetaComponentFormatRegistry(tests.TestCase):
def setUp(self):
super(TestMetaComponentFormatRegistry, self).setUp()
self.registry = controldir.ControlComponentFormatRegistry()
def test_register_unregister_format(self):
format = SampleComponentFormat()
self.registry.register(format)
self.assertEquals(format,
self.registry.get("Example component format."))
self.registry.remove(format)
self.assertRaises(KeyError, self.registry.get,
"Example component format.")
def test_get_all(self):
format = SampleComponentFormat()
self.assertEquals([], self.registry._get_all())
self.registry.register(format)
self.assertEquals([format], self.registry._get_all())
def test_get_all_modules(self):
format = SampleComponentFormat()
self.assertEquals(set(), self.registry._get_all_modules())
self.registry.register(format)
self.assertEquals(
set(["bzrlib.tests.test_controldir"]),
self.registry._get_all_modules())
def test_register_extra(self):
format = SampleExtraComponentFormat()
self.assertEquals([], self.registry._get_all())
self.registry.register_extra(format)
self.assertEquals([format], self.registry._get_all())
def test_register_extra_lazy(self):
self.assertEquals([], self.registry._get_all())
self.registry.register_extra_lazy("bzrlib.tests.test_controldir",
"SampleExtraComponentFormat")
formats = self.registry._get_all()
self.assertEquals(1, len(formats))
self.assertIsInstance(formats[0], SampleExtraComponentFormat)
class TestControlDirFormatDeprecated(tests.TestCaseWithTransport):
"""Tests for removed registration method in the ControlDirFormat facility."""
def test_register_format(self):
self.assertRaises(errors.BzrError,
controldir.ControlDirFormat.register_format, object())
class TestProber(tests.TestCaseWithTransport):
"""Per-prober tests."""
scenarios = [
(prober_cls.__name__, {'prober_cls': prober_cls})
for prober_cls in controldir.ControlDirFormat._probers]
def setUp(self):
super(TestProber, self).setUp()
self.prober = self.prober_cls()
def test_probe_transport_empty(self):
transport = self.get_transport(".")
self.assertRaises(errors.NotBranchError,
self.prober.probe_transport, transport)
def test_known_formats(self):
known_formats = self.prober_cls.known_formats()
self.assertIsInstance(known_formats, set)
for format in known_formats:
self.assertIsInstance(format, controldir.ControlDirFormat,
repr(format))
class NotBzrDir(controldir.ControlDir):
"""A non .bzr based control directory."""
def __init__(self, transport, format):
self._format = format
self.root_transport = transport
self.transport = transport.clone('.not')
class NotBzrDirFormat(controldir.ControlDirFormat):
"""A test class representing any non-.bzr based disk format."""
def initialize_on_transport(self, transport):
"""Initialize a new .not dir in the base directory of a Transport."""
transport.mkdir('.not')
return self.open(transport)
def open(self, transport):
"""Open this directory."""
return NotBzrDir(transport, self)
class NotBzrDirProber(controldir.Prober):
def probe_transport(self, transport):
"""Our format is present if the transport ends in '.not/'."""
if transport.has('.not'):
return NotBzrDirFormat()
@classmethod
def known_formats(cls):
return set([NotBzrDirFormat()])
class TestNotBzrDir(tests.TestCaseWithTransport):
"""Tests for using the controldir api with a non .bzr based disk format.
If/when one of these is in the core, we can let the implementation tests
verify this works.
"""
def test_create_and_find_format(self):
# create a .notbzr dir
format = NotBzrDirFormat()
dir = format.initialize(self.get_url())
self.assertIsInstance(dir, NotBzrDir)
# now probe for it.
controldir.ControlDirFormat.register_prober(NotBzrDirProber)
try:
found = controldir.ControlDirFormat.find_format(self.get_transport())
self.assertIsInstance(found, NotBzrDirFormat)
finally:
controldir.ControlDirFormat.unregister_prober(NotBzrDirProber)
def test_included_in_known_formats(self):
controldir.ControlDirFormat.register_prober(NotBzrDirProber)
self.addCleanup(controldir.ControlDirFormat.unregister_prober, NotBzrDirProber)
formats = controldir.ControlDirFormat.known_formats()
self.assertIsInstance(formats, set)
for format in formats:
if isinstance(format, NotBzrDirFormat):
break
else:
self.fail("No NotBzrDirFormat in %s" % formats)
class UnsupportedControlComponentFormat(controldir.ControlComponentFormat):
def is_supported(self):
return False
class OldControlComponentFormat(controldir.ControlComponentFormat):
def get_format_description(self):
return "An old format that is slow"
upgrade_recommended = True
class DefaultControlComponentFormatTests(tests.TestCase):
"""Tests for default ControlComponentFormat implementation."""
def test_check_support_status_unsupported(self):
self.assertRaises(errors.UnsupportedFormatError,
UnsupportedControlComponentFormat().check_support_status,
allow_unsupported=False)
UnsupportedControlComponentFormat().check_support_status(
allow_unsupported=True)
def test_check_support_status_supported(self):
controldir.ControlComponentFormat().check_support_status(
allow_unsupported=False)
controldir.ControlComponentFormat().check_support_status(
allow_unsupported=True)
def test_recommend_upgrade_current_format(self):
stderr = tests.StringIOWrapper()
ui.ui_factory = tests.TestUIFactory(stderr=stderr)
format = controldir.ControlComponentFormat()
format.check_support_status(allow_unsupported=False,
recommend_upgrade=True)
self.assertEquals("", stderr.getvalue())
def test_recommend_upgrade_old_format(self):
stderr = tests.StringIOWrapper()
ui.ui_factory = tests.TestUIFactory(stderr=stderr)
format = OldControlComponentFormat()
format.check_support_status(allow_unsupported=False,
recommend_upgrade=False)
self.assertEquals("", stderr.getvalue())
format.check_support_status(allow_unsupported=False,
recommend_upgrade=True, basedir='apath')
self.assertEquals(
'An old format that is slow is deprecated and a better format '
'is available.\nIt is recommended that you upgrade by running '
'the command\n bzr upgrade apath\n',
stderr.getvalue())
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