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Close issue #6210: Implement PEP 409

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This commit is contained in:
Nick Coghlan 2012-02-26 17:49:52 +10:00
parent cda6b6d60d
commit ab7bf2143e
15 changed files with 263 additions and 42 deletions
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15
Lib/test/test_traceback.py
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@ -246,6 +246,21 @@ class BaseExceptionReportingTests:
self.check_zero_div(blocks[0])
self.assertIn('inner_raise() # Marker', blocks[2])
def test_context_suppression(self):
try:
try:
raise Exception
except:
raise ZeroDivisionError from None
except ZeroDivisionError as _:
e = _
lines = self.get_report(e).splitlines()
self.assertEqual(len(lines), 4)
self.assertTrue(lines[0].startswith('Traceback'))
self.assertTrue(lines[1].startswith(' File'))
self.assertIn('ZeroDivisionError from None', lines[2])
self.assertTrue(lines[3].startswith('ZeroDivisionError'))
def test_cause_and_context(self):
# When both a cause and a context are set, only the cause should be
# displayed and the context should be muted.