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bzrlib/tests/test_workingtree.py

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# Copyright (C) 2005-2011 Canonical Ltd

 

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# Copyright (C) 2005-2012, 2016 Canonical Ltd

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# Authors:  Robert Collins <robert.collins@canonical.com>

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#

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# This program is free software; you can redistribute it and/or modify

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    bzrdir,

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    conflicts,

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    errors,

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    symbol_versioning,

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    transport,

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    workingtree,

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    workingtree_3,

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    workingtree_4,

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    )

 

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from bzrlib.lock import write_locked

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from bzrlib.lockdir import LockDir

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from bzrlib.mutabletree import needs_tree_write_lock

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from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped

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            workingtree.format_registry.set_default(old_format)

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        self.assertEqual(old_format, workingtree.format_registry.get_default())

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    def test_from_string(self):

 

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        self.assertIsInstance(

 

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            SampleTreeFormat.from_string("Sample tree format."),

 

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            SampleTreeFormat)

 

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        self.assertRaises(AssertionError,

 

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            SampleTreeFormat.from_string, "Different format string.")

 

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    def test_get_set_default_format_by_key(self):

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        old_format = workingtree.format_registry.get_default()

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        # default is 6

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        self.assertEqual('subdir', relpath)

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class SampleTreeFormat(workingtree.WorkingTreeFormat):

 

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class SampleTreeFormat(workingtree.WorkingTreeFormatMetaDir):

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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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    open and open_downlevel routines.

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    """

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    def get_format_string(self):

 

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    @classmethod

 

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    def get_format_string(cls):

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        """See WorkingTreeFormat.get_format_string()."""

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        return "Sample tree format."

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        # is the right format object found for a working tree?

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        branch = self.make_branch('branch')

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        self.assertRaises(errors.NoWorkingTree,

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            workingtree.WorkingTreeFormat.find_format_string, branch.bzrdir)

 

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            workingtree.WorkingTreeFormatMetaDir.find_format_string, branch.bzrdir)

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        transport = branch.bzrdir.get_workingtree_transport(None)

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        transport.mkdir('.')

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        transport.put_bytes("format", "some format name")

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        # The format does not have to be known by Bazaar,

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        # find_format_string just retrieves the name

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        self.assertEquals("some format name",

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            workingtree.WorkingTreeFormat.find_format_string(branch.bzrdir))

 

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        self.assertEqual("some format name",

 

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            workingtree.WorkingTreeFormatMetaDir.find_format_string(branch.bzrdir))

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    def test_find_format(self):

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        # is the right format object found for a working tree?

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            dir.create_branch()

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            format.initialize(dir)

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            t = transport.get_transport(url)

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            found_format = workingtree.WorkingTreeFormat.find_format(dir)

 

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            found_format = workingtree.WorkingTreeFormatMetaDir.find_format(dir)

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            self.assertIsInstance(found_format, format.__class__)

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        check_format(workingtree_3.WorkingTreeFormat3(), "bar")

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    def test_find_format_no_tree(self):

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        dir = bzrdir.BzrDirMetaFormat1().initialize('.')

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        self.assertRaises(errors.NoWorkingTree,

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                          workingtree.WorkingTreeFormat.find_format,

 

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                          workingtree.WorkingTreeFormatMetaDir.find_format,

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                          dir)

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    def test_find_format_unknown_format(self):

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        dir.create_branch()

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        SampleTreeFormat().initialize(dir)

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        self.assertRaises(errors.UnknownFormatError,

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                          workingtree.WorkingTreeFormat.find_format,

 

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                          workingtree.WorkingTreeFormatMetaDir.find_format,

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                          dir)

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    def test_register_unregister_format(self):

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        format = SampleTreeFormat()

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        # make a control dir

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        dir = bzrdir.BzrDirMetaFormat1().initialize('.')

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        dir.create_repository()

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        dir.create_branch()

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        # make a branch

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        format.initialize(dir)

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        # register a format for it.

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        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),

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            workingtree.WorkingTreeFormat.register_format, format)

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        self.assertTrue(format in 

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            self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),

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                workingtree.WorkingTreeFormat.get_formats))

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        # which branch.Open will refuse (not supported)

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        self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')

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        # but open_downlevel will work

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        self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))

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        # unregister the format

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        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),

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            workingtree.WorkingTreeFormat.unregister_format, format)

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        self.assertFalse(format in

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            self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),

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                workingtree.WorkingTreeFormat.get_formats))

 

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    def test_find_format_with_features(self):

 

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        tree = self.make_branch_and_tree('.', format='2a')

 

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        tree.update_feature_flags({"name": "necessity"})

 

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        found_format = workingtree.WorkingTreeFormatMetaDir.find_format(

 

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            tree.bzrdir)

 

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        self.assertIsInstance(found_format, workingtree.WorkingTreeFormat)

 

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        self.assertEqual(found_format.features.get("name"), "necessity")

 

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        self.assertRaises(errors.MissingFeature, found_format.check_support_status,

 

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            True)

 

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        self.addCleanup(workingtree.WorkingTreeFormatMetaDir.unregister_feature,

 

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            "name")

 

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        workingtree.WorkingTreeFormatMetaDir.register_feature("name")

 

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        found_format.check_support_status(True)

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class TestWorkingTreeIterEntriesByDir_wSubtrees(TestCaseWithTransport):

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    def test_register_unregister_format(self):

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        format = SampleTreeFormat()

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        self.registry.register(format)

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        self.assertEquals(format, self.registry.get("Sample tree format."))

 

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        self.assertEqual(format, self.registry.get("Sample tree format."))

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        self.registry.remove(format)

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        self.assertRaises(KeyError, self.registry.get, "Sample tree format.")

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    def test_get_all(self):

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        format = SampleTreeFormat()

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        self.assertEquals([], self.registry._get_all())

 

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        self.assertEqual([], self.registry._get_all())

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        self.registry.register(format)

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        self.assertEquals([format], self.registry._get_all())

 

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        self.assertEqual([format], self.registry._get_all())

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    def test_register_extra(self):

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        format = SampleExtraTreeFormat()

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        self.assertEquals([], self.registry._get_all())

 

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        self.assertEqual([], self.registry._get_all())

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        self.registry.register_extra(format)

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        self.assertEquals([format], self.registry._get_all())

 

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        self.assertEqual([format], self.registry._get_all())

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    def test_register_extra_lazy(self):

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        self.assertEquals([], self.registry._get_all())

 

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        self.assertEqual([], self.registry._get_all())

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        self.registry.register_extra_lazy("bzrlib.tests.test_workingtree",

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            "SampleExtraTreeFormat")

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        formats = self.registry._get_all()

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        self.assertEquals(1, len(formats))

 

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        self.assertEqual(1, len(formats))

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        self.assertIsInstance(formats[0], SampleExtraTreeFormat)

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        self.assertIsDirectory('.bzr/checkout', t)

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        self.assertIsDirectory('.bzr/checkout/lock', t)

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        our_lock = LockDir(t, '.bzr/checkout/lock')

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        self.assertEquals(our_lock.peek(), None)

 

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        self.assertEqual(our_lock.peek(), None)

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        tree.lock_write()

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        self.assertTrue(our_lock.peek())

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        tree.unlock()

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        self.assertEquals(our_lock.peek(), None)

 

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        self.assertEqual(our_lock.peek(), None)

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    def test_missing_pending_merges(self):

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        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())

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        self.make_branch('qux')

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        trees = workingtree.WorkingTree.find_trees('.')

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        self.assertEqual(2, len(list(trees)))

 

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class TestStoredUncommitted(TestCaseWithTransport):

 

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    def store_uncommitted(self):

 

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        tree = self.make_branch_and_tree('tree')

 

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        tree.commit('get root in there')

 

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        self.build_tree_contents([('tree/file', 'content')])

 

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        tree.add('file', 'file-id')

 

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        tree.store_uncommitted()

 

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        return tree

 

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    def test_store_uncommitted(self):

 

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        self.store_uncommitted()

 

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        self.assertPathDoesNotExist('tree/file')

 

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    def test_store_uncommitted_no_change(self):

 

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        tree = self.make_branch_and_tree('tree')

 

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        tree.commit('get root in there')

 

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        tree.store_uncommitted()

 

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        self.assertIs(None, tree.branch.get_unshelver(tree))

 

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    def test_restore_uncommitted(self):

 

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        with write_locked(self.store_uncommitted()) as tree:

 

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            tree.restore_uncommitted()

 

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            self.assertPathExists('tree/file')

 

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            self.assertIs(None, tree.branch.get_unshelver(tree))

 

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    def test_restore_uncommitted_none(self):

 

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        tree = self.make_branch_and_tree('tree')

 

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        tree.restore_uncommitted()

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