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Viewing changes to bzrlib/tests/test_controldir.py

(gz) Fix test failure on alpha by correcting format string for
 gc_chk_sha1_record (Martin [gz])

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