104 lines
3.6 KiB
Python
104 lines
3.6 KiB
Python
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import unittest
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from test import support
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from io import StringIO
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from pstats import SortKey
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import pstats
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import cProfile
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class AddCallersTestCase(unittest.TestCase):
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"""Tests for pstats.add_callers helper."""
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def test_combine_results(self):
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# pstats.add_callers should combine the call results of both target
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# and source by adding the call time. See issue1269.
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# new format: used by the cProfile module
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target = {"a": (1, 2, 3, 4)}
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source = {"a": (1, 2, 3, 4), "b": (5, 6, 7, 8)}
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new_callers = pstats.add_callers(target, source)
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self.assertEqual(new_callers, {'a': (2, 4, 6, 8), 'b': (5, 6, 7, 8)})
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# old format: used by the profile module
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target = {"a": 1}
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source = {"a": 1, "b": 5}
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new_callers = pstats.add_callers(target, source)
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self.assertEqual(new_callers, {'a': 2, 'b': 5})
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class StatsTestCase(unittest.TestCase):
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def setUp(self):
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stats_file = support.findfile('pstats.pck')
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self.stats = pstats.Stats(stats_file)
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def test_add(self):
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stream = StringIO()
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stats = pstats.Stats(stream=stream)
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stats.add(self.stats, self.stats)
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def test_sort_stats_int(self):
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valid_args = {-1: 'stdname',
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0: 'calls',
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1: 'time',
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2: 'cumulative'}
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for arg_int, arg_str in valid_args.items():
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self.stats.sort_stats(arg_int)
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self.assertEqual(self.stats.sort_type,
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self.stats.sort_arg_dict_default[arg_str][-1])
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def test_sort_stats_string(self):
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for sort_name in ['calls', 'ncalls', 'cumtime', 'cumulative',
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'filename', 'line', 'module', 'name', 'nfl', 'pcalls',
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'stdname', 'time', 'tottime']:
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self.stats.sort_stats(sort_name)
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self.assertEqual(self.stats.sort_type,
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self.stats.sort_arg_dict_default[sort_name][-1])
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def test_sort_stats_partial(self):
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sortkey = 'filename'
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for sort_name in ['f', 'fi', 'fil', 'file', 'filen', 'filena',
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'filenam', 'filename']:
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self.stats.sort_stats(sort_name)
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self.assertEqual(self.stats.sort_type,
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self.stats.sort_arg_dict_default[sortkey][-1])
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def test_sort_stats_enum(self):
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for member in SortKey:
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self.stats.sort_stats(member)
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self.assertEqual(
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self.stats.sort_type,
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self.stats.sort_arg_dict_default[member.value][-1])
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def test_sort_starts_mix(self):
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self.assertRaises(TypeError, self.stats.sort_stats,
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'calls',
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SortKey.TIME)
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self.assertRaises(TypeError, self.stats.sort_stats,
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SortKey.TIME,
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'calls')
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def test_get_stats_profile(self):
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def pass1(): pass
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def pass2(): pass
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def pass3(): pass
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pr = cProfile.Profile()
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pr.enable()
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pass1()
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pass2()
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pass3()
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pr.create_stats()
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ps = pstats.Stats(pr)
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stats_profile = ps.get_stats_profile()
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funcs_called = set(stats_profile.func_profiles.keys())
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self.assertIn('pass1', funcs_called)
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self.assertIn('pass2', funcs_called)
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self.assertIn('pass3', funcs_called)
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def test_SortKey_enum(self):
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self.assertEqual(SortKey.FILENAME, 'filename')
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self.assertNotEqual(SortKey.FILENAME, SortKey.CALLS)
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if __name__ == "__main__":
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unittest.main()
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