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# (C) 2005 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for the Branch facility that are not interface tests.
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For interface tests see test_branch_implementations.py.
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For concrete class tests see this file, and for meta-branch tests
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from StringIO import StringIO
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import bzrlib.branch as branch
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from bzrlib.errors import (NotBranchError,
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UnsupportedFormatError,
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from bzrlib.tests import TestCase, TestCaseInTempDir
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from bzrlib.transport import get_transport
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class TestDefaultFormat(TestCase):
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def test_get_set_default_initializer(self):
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old_initializer = branch.Branch.get_default_initializer()
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# default is BzrBranch._initialize
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self.assertEqual(branch.BzrBranch._initialize, old_initializer)
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return "a branch %s" % url
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branch.Branch.set_default_initializer(recorder)
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b = branch.Branch.initialize("memory:/")
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self.assertEqual("a branch memory:/", b)
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branch.Branch.set_default_initializer(old_initializer)
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self.assertEqual(old_initializer, branch.Branch.get_default_initializer())
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class SampleBranchFormat(branch.BzrBranchFormat):
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this format is initializable, unsupported to aid in testing the
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open and open_downlevel routines.
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def get_format_string(self):
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"""See BzrBranchFormat.get_format_string()."""
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return "Sample branch format."
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def initialize(self, url):
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"""Format 4 branches cannot be created."""
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t = get_transport(url)
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t.put('.bzr/branch-format', StringIO(self.get_format_string()))
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def is_supported(self):
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def open(self, transport):
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return "opened branch."
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class TestBzrBranchFormat(TestCaseInTempDir):
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"""Tests for the BzrBranchFormat facility."""
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def test_find_format(self):
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# is the right format object found for a branch?
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# create a branch with a few known format objects.
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# this is not quite the same as
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self.build_tree(["foo/", "bar/"])
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def check_format(format, url):
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format.initialize(url)
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t = get_transport(url)
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found_format = branch.BzrBranchFormat.find_format(t)
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self.failUnless(isinstance(found_format, format.__class__))
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check_format(branch.BzrBranchFormat5(), "foo")
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check_format(branch.BzrBranchFormat6(), "bar")
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def test_find_format_not_branch(self):
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self.assertRaises(NotBranchError,
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branch.BzrBranchFormat.find_format,
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def test_find_format_unknown_format(self):
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t = get_transport('.')
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t.put('.bzr/branch-format', StringIO())
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self.assertRaises(UnknownFormatError,
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branch.BzrBranchFormat.find_format,
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def test_register_unregister_format(self):
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format = SampleBranchFormat()
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format.initialize('.')
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# register a format for it.
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branch.BzrBranchFormat.register_format(format)
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# which branch.Open will refuse (not supported)
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self.assertRaises(UnsupportedFormatError, branch.Branch.open, '.')
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# but open_downlevel will work
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t = get_transport('.')
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self.assertEqual(format.open(t), branch.Branch.open_downlevel('.'))
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# unregister the format
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branch.BzrBranchFormat.unregister_format(format)
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# now open_downlevel should fail too.
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self.assertRaises(UnknownFormatError, branch.Branch.open_downlevel, '.')
added
removed
bzrlib/tests/test_branch.py
