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Viewing changes to bzrlib/tests/test_branch.py

  • Committer: Andrew Bennetts
  • Date: 2011-01-06 06:26:23 UTC
  • mto: This revision was merged to the branch mainline in revision 5612.
  • Revision ID: andrew.bennetts@canonical.com-20110106062623-43tda58mqroybjui
Start of a developer doc describing how fetch works.

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bzrlib/tests/test_branch.py
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    bzrdir,
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    config,
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    errors,
 
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    symbol_versioning,
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    tests,
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    trace,
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    transport,
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        self.assertIsDirectory('.bzr/branch/lock/held', t)
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    def test_set_push_location(self):
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        from bzrlib.config import (locations_config_filename,
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                                   ensure_config_dir_exists)
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        ensure_config_dir_exists()
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        fn = locations_config_filename()
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        # write correct newlines to locations.conf
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        # by default ConfigObj uses native line-endings for new files
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        # but uses already existing line-endings if file is not empty
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        f = open(fn, 'wb')
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        try:
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            f.write('# comment\n')
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        finally:
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            f.close()
 
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        conf = config.LocationConfig.from_string('# comment\n', '.', save=True)
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        branch = self.make_branch('.', format='knit')
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        branch.set_push_location('foo')
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                             "[%s]\n"
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                             "push_location = foo\n"
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                             "push_location:policy = norecurse\n" % local_path,
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                             fn)
 
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                             config.locations_config_filename())
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    # TODO RBC 20051029 test getting a push location from a branch in a
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    # recursive section - that is, it appends the branch name.
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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, name=None):
 
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    def initialize(self, a_bzrdir, name=None, repository=None):
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        """Format 4 branches cannot be created."""
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        t = a_bzrdir.get_branch_transport(self, name=name)
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        t.put_bytes('format', self.get_format_string())
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        return "opened branch."
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# Demonstrating how lazy loading is often implemented:
 
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# A constant string is created.
 
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SampleSupportedBranchFormatString = "Sample supported branch format."
 
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# And the format class can then reference the constant to avoid skew.
 
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class SampleSupportedBranchFormat(_mod_branch.BranchFormat):
 
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    """A sample supported format."""
 
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    def get_format_string(self):
 
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        """See BzrBranchFormat.get_format_string()."""
 
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        return SampleSupportedBranchFormatString
 
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    def initialize(self, a_bzrdir, name=None):
 
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        t = a_bzrdir.get_branch_transport(self, name=name)
 
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        t.put_bytes('format', self.get_format_string())
 
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        return 'A branch'
 
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    def open(self, transport, name=None, _found=False, ignore_fallbacks=False):
 
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        return "opened supported branch."
 
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class TestBzrBranchFormat(tests.TestCaseWithTransport):
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    """Tests for the BzrBranchFormat facility."""
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            self.failUnless(isinstance(found_format, format.__class__))
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        check_format(_mod_branch.BzrBranchFormat5(), "bar")
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    def test_find_format_factory(self):
 
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        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
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        SampleSupportedBranchFormat().initialize(dir)
 
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        factory = _mod_branch.MetaDirBranchFormatFactory(
 
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            SampleSupportedBranchFormatString,
 
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            "bzrlib.tests.test_branch", "SampleSupportedBranchFormat")
 
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        _mod_branch.BranchFormat.register_format(factory)
 
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        self.addCleanup(_mod_branch.BranchFormat.unregister_format, factory)
 
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        b = _mod_branch.Branch.open(self.get_url())
 
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        self.assertEqual(b, "opened supported branch.")
 
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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(errors.NotBranchError,
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        self.make_branch_and_tree('bar')
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#Used by TestMetaDirBranchFormatFactory 
 
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FakeLazyFormat = None
 
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class TestMetaDirBranchFormatFactory(tests.TestCase):
 
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    def test_get_format_string_does_not_load(self):
 
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        """Formats have a static format string."""
 
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        factory = _mod_branch.MetaDirBranchFormatFactory("yo", None, None)
 
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        self.assertEqual("yo", factory.get_format_string())
 
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    def test_call_loads(self):
 
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        # __call__ is used by the network_format_registry interface to get a
 
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        # Format.
 
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        global FakeLazyFormat
 
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        del FakeLazyFormat
 
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        factory = _mod_branch.MetaDirBranchFormatFactory(None,
 
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            "bzrlib.tests.test_branch", "FakeLazyFormat")
 
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        self.assertRaises(AttributeError, factory)
 
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    def test_call_returns_call_of_referenced_object(self):
 
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        global FakeLazyFormat
 
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        FakeLazyFormat = lambda:'called'
 
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        factory = _mod_branch.MetaDirBranchFormatFactory(None,
 
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            "bzrlib.tests.test_branch", "FakeLazyFormat")
 
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        self.assertEqual('called', factory())
 
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class TestBranch67(object):
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    """Common tests for both branch 6 and 7 which are mostly the same."""
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    def test_config(self):
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        """Ensure that all configuration data is stored in the branch"""
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        branch = self.make_branch('a', format=self.get_format_name())
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        branch.set_parent('http://bazaar-vcs.org')
 
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        branch.set_parent('http://example.com')
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        self.failIfExists('a/.bzr/branch/parent')
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        self.assertEqual('http://bazaar-vcs.org', branch.get_parent())
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        branch.set_push_location('sftp://bazaar-vcs.org')
 
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        self.assertEqual('http://example.com', branch.get_parent())
 
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        branch.set_push_location('sftp://example.com')
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        config = branch.get_config()._get_branch_data_config()
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        self.assertEqual('sftp://bazaar-vcs.org',
 
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        self.assertEqual('sftp://example.com',
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                         config.get_user_option('push_location'))
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        branch.set_bound_location('ftp://bazaar-vcs.org')
 
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        branch.set_bound_location('ftp://example.com')
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        self.failIfExists('a/.bzr/branch/bound')
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        self.assertEqual('ftp://bazaar-vcs.org', branch.get_bound_location())
 
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        self.assertEqual('ftp://example.com', branch.get_bound_location())
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    def test_set_revision_history(self):
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        builder = self.make_branch_builder('.', format=self.get_format_name())
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        self.assertTrue(hasattr(params, 'bzrdir'))
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        self.assertTrue(hasattr(params, 'branch'))
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    def test_post_branch_init_hook_repr(self):
 
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        param_reprs = []
 
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        _mod_branch.Branch.hooks.install_named_hook('post_branch_init',
 
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            lambda params: param_reprs.append(repr(params)), None)
 
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        branch = self.make_branch('a')
 
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        self.assertLength(1, param_reprs)
 
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        param_repr = param_reprs[0]
 
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        self.assertStartsWith(param_repr, '<BranchInitHookParams of ')
 
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    def test_post_switch_hook(self):
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        from bzrlib import switch
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        calls = []
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        # this usage of results is not recommended for new code (because it
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        # doesn't describe very well what happened), but for api stability
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        # it's still supported
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        a = "%d revisions pulled" % r
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        self.assertEqual(a, "10 revisions pulled")
 
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        self.assertEqual(self.applyDeprecated(
 
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            symbol_versioning.deprecated_in((2, 3, 0)),
 
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            r.__int__),
 
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            10)
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    def test_report_changed(self):
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        r = _mod_branch.PullResult()