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# Copyright (C) 2005 by Canonical Ltd
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# Authors: Robert Collins <robert.collins@canonical.com>
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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 as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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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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# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""These tests are tests about the source code of bzrlib itself.
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They are useful for testing code quality, checking coverage metric etc.
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# import system imports here
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#import bzrlib specific imports here
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from bzrlib.tests import TestCase
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class TestApiUsage(TestCase):
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def find_occurences(self, rule, filename):
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"""Find the number of occurences of rule in a file."""
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source = file(filename, 'r')
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if line.find(rule) > -1:
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def source_file_name(self, package):
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"""Return the path of the .py file for package."""
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path = package.__file__
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def test_branch_working_tree(self):
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"""Test that the number of uses of working_tree in branch is stable."""
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occurences = self.find_occurences('self.working_tree()',
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self.source_file_name(bzrlib.branch))
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# do not even think of increasing this number. If you think you need to
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# increase it, then you almost certainly are doing something wrong as
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# the relationship from working_tree to branch is one way.
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# This number should be 0, but the basis_inventory merge was done
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# before this test was written. Note that this is an exact equality
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# so that when the number drops, it is not given a buffer but rather
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# this test updated immediately.
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self.assertEqual(1, occurences)
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def test_branch_WorkingTree(self):
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"""Test that the number of uses of working_tree in branch is stable."""
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occurences = self.find_occurences('WorkingTree',
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self.source_file_name(bzrlib.branch))
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# do not even think of increasing this number. If you think you need to
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# increase it, then you almost certainly are doing something wrong as
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# the relationship from working_tree to branch is one way.
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# This number should be 4 (import NoWorkingTree and WorkingTree,
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# raise NoWorkingTree from working_tree(), and construct a working tree
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# there) but a merge that regressed this was done before this test was
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# written. Note that this is an exact equality so that when the number
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# drops, it is not given a buffer but rather this test updated
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self.assertEqual(9, occurences)
added
removed
bzrlib/tests/test_source.py
