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46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
import unittest
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from test import support
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from io import StringIO
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import pstats
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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_main():
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support.run_unittest(
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AddCallersTestCase,
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StatsTestCase,
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)
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if __name__ == "__main__":
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test_main()
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