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bzrlib/store/revision/__init__.py
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from copy import deepcopy
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import unittest
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from bzrlib import (
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    errors,
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    osutils,
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    xml5,
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    )
 
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from bzrlib.trace import mutter
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""")
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from bzrlib.trace import mutter
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class RevisionStoreTestProviderAdapter(object):
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    """A tool to generate a suite testing multiple repository stores.
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    This is done by copying the test once for each repository store
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    and injecting the transport_server, transport_readonly_server,
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    and revision-store-factory into each copy.
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    Each copy is also given a new id() to make it easy to identify.
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    """
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    def __init__(self, transport_server, transport_readonly_server, factories):
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        self._transport_server = transport_server
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        self._transport_readonly_server = transport_readonly_server
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        self._factories = factories
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    def adapt(self, test):
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        result = unittest.TestSuite()
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        for factory in self._factories:
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            new_test = deepcopy(test)
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            new_test.transport_server = self._transport_server
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            new_test.transport_readonly_server = self._transport_readonly_server
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            new_test.store_factory = factory
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            def make_new_test_id():
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                new_id = "%s(%s)" % (new_test.id(), factory)
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                return lambda: new_id
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            new_test.id = make_new_test_id()
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            result.addTest(new_test)
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        return result
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    @staticmethod
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    def default_test_list():
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        """Generate the default list of revision store permutations to test."""
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        from bzrlib.store.revision.text import TextRevisionStoreTestFactory
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        from bzrlib.store.revision.knit import KnitRevisionStoreFactory
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        result = []
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        # test the fallback InterVersionedFile from weave to annotated knits
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        result.append(TextRevisionStoreTestFactory())
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        result.append(KnitRevisionStoreFactory())
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        return result
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class RevisionStore(object):
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    """A revision store stores revisions."""