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Viewing changes to bzrlib/tests/test_btree_index.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-01-26 10:49:57 UTC
  • mfrom: (4987.1.1 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20100126104957-dmtqnc0pckuruyla
(vila,
        jam) Implement TestCase.overrideAttr to simplify tests setUp/cleanup

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bzrlib/tests/test_btree_index.py
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    def setUp(self):
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        TestCaseWithTransport.setUp(self)
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        self._original_header = btree_index._RESERVED_HEADER_BYTES
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        def restore():
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            btree_index._RESERVED_HEADER_BYTES = self._original_header
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        self.addCleanup(restore)
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        btree_index._RESERVED_HEADER_BYTES = 100
 
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        self.overrideAttr(btree_index, '_RESERVED_HEADER_BYTES', 100)
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    def make_nodes(self, count, key_elements, reference_lists):
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        """Generate count*key_elements sample nodes."""
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    def shrink_page_size(self):
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        """Shrink the default page size so that less fits in a page."""
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        old_page_size = btree_index._PAGE_SIZE
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        def cleanup():
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            btree_index._PAGE_SIZE = old_page_size
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        self.addCleanup(cleanup)
 
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        self.overrideAttr(btree_index, '_PAGE_SIZE')
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        btree_index._PAGE_SIZE = 2048
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class TestBTreeNodes(BTreeTestCase):
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    def restore_parser(self):
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        btree_index._btree_serializer = self.saved_parser
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    def setUp(self):
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        BTreeTestCase.setUp(self)
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        self.saved_parser = btree_index._btree_serializer
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        self.addCleanup(self.restore_parser)
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        btree_index._btree_serializer = self.parse_btree
 
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        self.overrideAttr(btree_index, '_btree_serializer', self.parse_btree)
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    def test_LeafNode_1_0(self):
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        node_bytes = ("type=leaf\n"