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Viewing changes to bzrlib/tests/test_branch.py

  • Committer: Martin Pool
  • Date: 2006-02-22 04:29:54 UTC
  • mfrom: (1566 +trunk)
  • mto: This revision was merged to the branch mainline in revision 1569.
  • Revision ID: mbp@sourcefrog.net-20060222042954-60333f08dd56a646
[merge] from bzr.dev before integration
Fix undefined ordering in sign_my_revisions breaking tests

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bzrlib/tests/test_branch.py
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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 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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also see this file.
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from StringIO import StringIO
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import bzrlib.branch as branch
 
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import bzrlib.branch
 
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import bzrlib.bzrdir as bzrdir
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from bzrlib.errors import (NotBranchError,
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                           UnknownFormatError,
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                           UnsupportedFormatError,
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                           )
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from bzrlib.tests import TestCase, TestCaseInTempDir
 
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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_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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        def recorder(url):
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            return "a branch %s" % url
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        branch.Branch.set_default_initializer(recorder)
 
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    def test_get_set_default_format(self):
 
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        old_format = bzrlib.branch.BranchFormat.get_default_format()
 
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        # default is 5
 
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        self.assertTrue(isinstance(old_format, bzrlib.branch.BzrBranchFormat5))
 
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        bzrlib.branch.BranchFormat.set_default_format(SampleBranchFormat())
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        try:
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            b = branch.Branch.create("memory:/")
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            self.assertEqual("a branch memory:/", b)
 
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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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        finally:
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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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            bzrlib.branch.BranchFormat.set_default_format(old_format)
 
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        self.assertEqual(old_format, bzrlib.branch.BranchFormat.get_default_format())
 
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class SampleBranchFormat(bzrlib.branch.BranchFormat):
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    """A sample format
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    this format is initializable, unsupported to aid in testing the 
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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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    def initialize(self, a_bzrdir):
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        """Format 4 branches cannot be created."""
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        t = get_transport(url)
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        t.mkdir('.bzr')
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        t.put('.bzr/branch-format', StringIO(self.get_format_string()))
 
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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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        return 'A branch'
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    def is_supported(self):
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        return False
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    def open(self, transport):
 
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    def open(self, transport, _found=False):
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        return "opened branch."
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class TestBzrBranchFormat(TestCaseInTempDir):
 
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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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        # 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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            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 = bzrlib.branch.BranchFormat.find_format(dir)
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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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        check_format(bzrlib.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.BzrBranchFormat.find_format,
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                          get_transport('.'))
 
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                          bzrlib.branch.BranchFormat.find_format,
 
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                          dir)
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    def test_find_format_unknown_format(self):
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        t = get_transport('.')
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        t.mkdir('.bzr')
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        t.put('.bzr/branch-format', StringIO())
 
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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.BzrBranchFormat.find_format,
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                          get_transport('.'))
 
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                          bzrlib.branch.BranchFormat.find_format,
 
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                          dir)
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    def test_register_unregister_format(self):
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        format = SampleBranchFormat()
 
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        # make a control dir
 
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        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
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        # make a branch
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        format.initialize('.')
 
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        format.initialize(dir)
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        # register a format for it.
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        branch.BzrBranchFormat.register_format(format)
 
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        bzrlib.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, '.')
 
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        self.assertRaises(UnsupportedFormatError, bzrlib.branch.Branch.open, self.get_url())
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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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        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.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, '.')
 
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        bzrlib.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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        t.mkdir('repo')
 
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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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        t.mkdir('branch')
 
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        branch_dir = bzrdirformat.initialize(self.get_url('branch'))
 
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        made_branch = bzrlib.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)