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svn+ssh://pythondev@svn.python.org/python/trunk ........ r74838 | georg.brandl | 2009-09-16 18:22:12 +0200 (Mi, 16 Sep 2009) | 1 line Remove some more boilerplate from the actual tests in test_pdb. ........ r74839 | georg.brandl | 2009-09-16 18:36:39 +0200 (Mi, 16 Sep 2009) | 1 line Make the pdb displayhook compatible with the standard displayhook: do not print Nones. Add a test for that. ........
135 lines
3.4 KiB
Python
135 lines
3.4 KiB
Python
# A test suite for pdb; at the moment, this only validates skipping of
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# specified test modules (RFE #5142).
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import imp
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import os
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import sys
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import doctest
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import tempfile
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from test import support
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# This little helper class is essential for testing pdb under doctest.
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from test.test_doctest import _FakeInput
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class PdbTestInput(object):
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"""Context manager that makes testing Pdb in doctests easier."""
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def __init__(self, input):
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self.input = input
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def __enter__(self):
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self.real_stdin = sys.stdin
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sys.stdin = _FakeInput(self.input)
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def __exit__(self, *exc):
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sys.stdin = self.real_stdin
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def test_pdb_displayhook():
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"""This tests the custom displayhook for pdb.
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>>> def test_function(foo, bar):
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... import pdb; pdb.Pdb().set_trace()
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... pass
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>>> with PdbTestInput([
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... 'foo',
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... 'bar',
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... 'for i in range(5): print(i)',
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... 'continue',
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... ]):
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... test_function(1, None)
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> <doctest test.test_pdb.test_pdb_displayhook[0]>(3)test_function()
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-> pass
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(Pdb) foo
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1
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(Pdb) bar
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(Pdb) for i in range(5): print(i)
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0
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1
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2
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3
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4
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(Pdb) continue
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"""
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def test_pdb_skip_modules():
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"""This illustrates the simple case of module skipping.
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>>> def skip_module():
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... import string
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... import pdb; pdb.Pdb(skip=['stri*']).set_trace()
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... string.capwords('FOO')
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>>> with PdbTestInput([
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... 'step',
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... 'continue',
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... ]):
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... skip_module()
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> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()
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-> string.capwords('FOO')
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(Pdb) step
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--Return--
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> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()->None
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-> string.capwords('FOO')
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(Pdb) continue
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"""
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# Module for testing skipping of module that makes a callback
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mod = imp.new_module('module_to_skip')
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exec('def foo_pony(callback): x = 1; callback(); return None', mod.__dict__)
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def test_pdb_skip_modules_with_callback():
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"""This illustrates skipping of modules that call into other code.
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>>> def skip_module():
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... def callback():
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... return None
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... import pdb; pdb.Pdb(skip=['module_to_skip*']).set_trace()
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... mod.foo_pony(callback)
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>>> with PdbTestInput([
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... 'step',
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... 'step',
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... 'step',
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... 'step',
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... 'step',
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... 'continue',
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... ]):
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... skip_module()
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... pass # provides something to "step" to
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()
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-> mod.foo_pony(callback)
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(Pdb) step
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--Call--
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(2)callback()
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-> def callback():
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(Pdb) step
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()
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-> return None
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(Pdb) step
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--Return--
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()->None
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-> return None
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(Pdb) step
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--Return--
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()->None
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-> mod.foo_pony(callback)
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(Pdb) step
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[1]>(10)<module>()
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-> pass # provides something to "step" to
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(Pdb) continue
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"""
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def test_main():
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from test import test_pdb
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support.run_doctest(test_pdb, verbosity=True)
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if __name__ == '__main__':
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test_main()
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