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"""Misc traceback tests
Made for Jython.
"""
import sys
import traceback
import unittest
from test import test_support
if test_support.is_jython:
from java.awt import EventQueue
from java.lang import Runnable
class TracebackTestCase(unittest.TestCase):
def test_tb_across_threads(self):
if not test_support.is_jython:
return
# http://bugs.jython.org/issue1533624
class PyRunnable(Runnable):
def run(self):
raise TypeError('this is only a test')
try:
EventQueue.invokeAndWait(PyRunnable())
except TypeError:
self.assertEqual(tb_info(),
[('test_tb_across_threads',
'EventQueue.invokeAndWait(PyRunnable())'),
('run',
"raise TypeError('this is only a test')")])
else:
self.fail('Expected TypeError')
def test_reraise(self):
def raiser():
raise Exception(), None, tb
try:
# Jython previously added raiser's frame to the traceback
raiser()
except Exception:
self.assertEqual(tb_info(),
[('test_reraise', 'raiser()'),
('<module>', "raise Exception('foo')")])
else:
self.fail('Expected Exception')
def test_extract_stack(self):
# http://bugs.jython.org/issue437809
traceback.extract_stack()
def test_except_around_raising_call(self):
"""[ #452526 ] traceback lineno is the except line"""
from test import except_in_raising_code
try:
except_in_raising_code.foo()
except NameError:
tb = sys.exc_info()[2]
self.assertEquals(6, tb.tb_next.tb_lineno)
else:
self.fail("Should've raised a NameError")
try:
raise Exception('foo')
except Exception:
tb = sys.exc_info()[2]
def tb_info():
# [2:] ignores filename/lineno
return [info[2:] for info in traceback.extract_tb(sys.exc_info()[2])]
def test_main():
test_support.run_unittest(TracebackTestCase)
if __name__ == '__main__':
test_main()
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