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Viewing changes to bzrlib/tests/TestUtil.py

  • Committer: Samuel Bronson
  • Date: 2012-08-30 20:36:18 UTC
  • mto: (6015.57.3 2.4)
  • mto: This revision was merged to the branch mainline in revision 6558.
  • Revision ID: naesten@gmail.com-20120830203618-y2dzw91nqpvpgxvx
Update INSTALL for switch to Python 2.6 and up.

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bzrlib/tests/TestUtil.py
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import sys
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import logging
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import unittest
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import weakref
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from bzrlib import pyutils
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                    test, test.__class__)
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class FailedCollectionCase(unittest.TestCase):
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    """Pseudo-test to run and report failure if given case was uncollected"""
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    def __init__(self, case):
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        super(FailedCollectionCase, self).__init__("fail_uncollected")
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        # GZ 2011-09-16: Maybe catch errors from id() method as cases may be
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        #                in a bit of a funny state by now.
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        self._problem_case_id = case.id()
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    def id(self):
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        if self._problem_case_id[-1:] == ")":
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            return self._problem_case_id[:-1] + ",uncollected)"
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        return self._problem_case_id + "(uncollected)"
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    def fail_uncollected(self):
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        self.fail("Uncollected test case: " + self._problem_case_id)
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class TestSuite(unittest.TestSuite):
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    """I am an extended TestSuite with a visitor interface.
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    This is primarily to allow filtering of tests - and suites or
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        tests = list(self)
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        tests.reverse()
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        self._tests = []
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        stored_count = 0
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        count_stored_tests = getattr(result, "_count_stored_tests", int)
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        from bzrlib.tests import selftest_debug_flags
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        notify = "uncollected_cases" in selftest_debug_flags
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        while tests:
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            if result.shouldStop:
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                self._tests = reversed(tests)
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                break
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            case = _run_and_collect_case(tests.pop(), result)()
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            new_stored_count = count_stored_tests()
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            if case is not None and isinstance(case, unittest.TestCase):
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                if stored_count == new_stored_count and notify:
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                    # Testcase didn't fail, but somehow is still alive
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                    FailedCollectionCase(case).run(result)
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                    # Adding a new failure so need to reupdate the count
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                    new_stored_count = count_stored_tests()
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                # GZ 2011-09-16: Previously zombied the case at this point by
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                #                clearing the dict as fallback, skip for now.
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            stored_count = new_stored_count
 
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            tests.pop().run(result)
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        return result
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def _run_and_collect_case(case, res):
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    """Run test case against result and use weakref to drop the refcount"""
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    case.run(res)
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    return weakref.ref(case)
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class TestLoader(unittest.TestLoader):
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    """Custom TestLoader to extend the stock python one."""
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