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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 tests/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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import bzrlib.bzrdir as bzrdir
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from bzrlib.errors import (NotBranchError,
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UnsupportedFormatError,
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from bzrlib.tests import TestCase, TestCaseWithTransport
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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_format(self):
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old_format = branch.BranchFormat.get_default_format()
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self.assertTrue(isinstance(old_format, branch.BzrBranchFormat5))
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branch.BranchFormat.set_default_format(SampleBranchFormat())
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# the default branch format is used by the meta dir format
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# which is not the default bzrdir format at this point
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dir = bzrdir.BzrDirMetaFormat1().initialize('memory:/')
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result = dir.create_branch()
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self.assertEqual(result, 'A branch')
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branch.BranchFormat.set_default_format(old_format)
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self.assertEqual(old_format, branch.BranchFormat.get_default_format())
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class SampleBranchFormat(branch.BranchFormat):
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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, a_bzrdir):
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"""Format 4 branches cannot be created."""
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t = a_bzrdir.get_branch_transport(self)
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t.put('format', StringIO(self.get_format_string()))
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def is_supported(self):
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def open(self, transport, _found=False):
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return "opened branch."
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class TestBzrBranchFormat(TestCaseWithTransport):
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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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dir = format._matchingbzrdir.initialize(url)
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dir.create_repository()
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format.initialize(dir)
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found_format = branch.BranchFormat.find_format(dir)
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self.failUnless(isinstance(found_format, format.__class__))
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check_format(branch.BzrBranchFormat5(), "bar")
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def test_find_format_not_branch(self):
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dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
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self.assertRaises(NotBranchError,
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branch.BranchFormat.find_format,
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def test_find_format_unknown_format(self):
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dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
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SampleBranchFormat().initialize(dir)
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self.assertRaises(UnknownFormatError,
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branch.BranchFormat.find_format,
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def test_register_unregister_format(self):
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format = SampleBranchFormat()
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dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
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format.initialize(dir)
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# register a format for it.
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branch.BranchFormat.register_format(format)
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# which branch.Open will refuse (not supported)
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self.assertRaises(UnsupportedFormatError, branch.Branch.open, self.get_url())
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# but open_downlevel will work
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self.assertEqual(format.open(dir), bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
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# unregister the format
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branch.BranchFormat.unregister_format(format)
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class TestBranchReference(TestCaseWithTransport):
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"""Tests for the branch reference facility."""
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def test_create_open_reference(self):
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bzrdirformat = bzrdir.BzrDirMetaFormat1()
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t = get_transport(self.get_url('.'))
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dir = bzrdirformat.initialize(self.get_url('repo'))
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dir.create_repository()
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target_branch = dir.create_branch()
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branch_dir = bzrdirformat.initialize(self.get_url('branch'))
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made_branch = branch.BranchReferenceFormat().initialize(branch_dir, target_branch)
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self.assertEqual(made_branch.base, target_branch.base)
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opened_branch = branch_dir.open_branch()
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self.assertEqual(opened_branch.base, target_branch.base)
added
removed
bzrlib/tests/test_branch.py
