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Viewing changes to tests/test__groupcompress_c.py

  • Committer: John Arbash Meinel
  • Date: 2008-07-24 14:59:42 UTC
  • mto: (0.17.18 trunk)
  • mto: This revision was merged to the branch mainline in revision 4280.
  • Revision ID: john@arbash-meinel.com-20080724145942-fhz7q6fpw8kde40q
Start writing tests directly for the compiled class

These tests are implementation tests, rather than interface tests. To make it
easier to assert that the internals are properly written.

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tests/test__groupcompress_c.py
 
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# Copyright (C) 2008 Canonical Limited.
 
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# 
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License version 2 as published
 
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# by the Free Software Foundation.
 
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# 
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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# 
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 
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# 
 
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"""Tests for the pyrex extension of groupcompress"""
 
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from bzrlib import tests
 
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class _CompiledGroupCompress(tests.Feature):
 
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    def _probe(self):
 
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        try:
 
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            import bzrlib.plugins.groupcompress._groupcompress_c
 
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        except ImportError:
 
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            return False
 
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        else:
 
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            return True
 
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    def feature_name(self):
 
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        return 'bzrlib.plugins.groupcompress._groupcompress_c'
 
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CompiledGroupCompress = _CompiledGroupCompress()
 
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class TestCompiledEquivalenceTable(tests.TestCase):
 
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    """Direct tests for the compiled Equivalence Table."""
 
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    _tests_need_features = [CompiledGroupCompress]
 
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    def setUp(self):
 
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        super(TestCompiledEquivalenceTable, self).setUp()
 
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        from bzrlib.plugins.groupcompress import _groupcompress_c
 
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        self._gc_module = _groupcompress_c
 
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    def test_minimum_hash_size(self):
 
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        eq = self._gc_module.EquivalenceTable([])
 
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        self.assertEqual(1024, eq._py_compute_minimum_hash_size(1000))
 
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        self.assertEqual(1024, eq._py_compute_minimum_hash_size(1024))