139 lines
3.5 KiB
Python
139 lines
3.5 KiB
Python
# A test suite for pdb; at the moment, this only validates skipping of
|
|
# specified test modules (RFE #5142).
|
|
|
|
import imp
|
|
import os
|
|
import sys
|
|
import doctest
|
|
import tempfile
|
|
|
|
from test import test_support
|
|
# This little helper class is essential for testing pdb under doctest.
|
|
from test_doctest import _FakeInput
|
|
|
|
|
|
class PdbTestInput(object):
|
|
"""Context manager that makes testing Pdb in doctests easier."""
|
|
|
|
def __init__(self, input):
|
|
self.input = input
|
|
|
|
def __enter__(self):
|
|
self.real_stdin = sys.stdin
|
|
sys.stdin = _FakeInput(self.input)
|
|
|
|
def __exit__(self, *exc):
|
|
sys.stdin = self.real_stdin
|
|
|
|
|
|
def write(x):
|
|
print x
|
|
|
|
def test_pdb_displayhook():
|
|
"""This tests the custom displayhook for pdb.
|
|
|
|
>>> def test_function(foo, bar):
|
|
... import pdb; pdb.Pdb().set_trace()
|
|
... pass
|
|
|
|
>>> with PdbTestInput([
|
|
... 'foo',
|
|
... 'bar',
|
|
... 'for i in range(5): write(i)',
|
|
... 'continue',
|
|
... ]):
|
|
... test_function(1, None)
|
|
> <doctest test.test_pdb.test_pdb_displayhook[0]>(3)test_function()
|
|
-> pass
|
|
(Pdb) foo
|
|
1
|
|
(Pdb) bar
|
|
(Pdb) for i in range(5): write(i)
|
|
0
|
|
1
|
|
2
|
|
3
|
|
4
|
|
(Pdb) continue
|
|
"""
|
|
|
|
|
|
def test_pdb_skip_modules():
|
|
"""This illustrates the simple case of module skipping.
|
|
|
|
>>> def skip_module():
|
|
... import string
|
|
... import pdb; pdb.Pdb(skip=['string*']).set_trace()
|
|
... string.lower('FOO')
|
|
|
|
>>> with PdbTestInput([
|
|
... 'step',
|
|
... 'continue',
|
|
... ]):
|
|
... skip_module()
|
|
> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()
|
|
-> string.lower('FOO')
|
|
(Pdb) step
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()->None
|
|
-> string.lower('FOO')
|
|
(Pdb) continue
|
|
"""
|
|
|
|
|
|
# Module for testing skipping of module that makes a callback
|
|
mod = imp.new_module('module_to_skip')
|
|
exec 'def foo_pony(callback): x = 1; callback(); return None' in mod.__dict__
|
|
|
|
|
|
def test_pdb_skip_modules_with_callback():
|
|
"""This illustrates skipping of modules that call into other code.
|
|
|
|
>>> def skip_module():
|
|
... def callback():
|
|
... return None
|
|
... import pdb; pdb.Pdb(skip=['module_to_skip*']).set_trace()
|
|
... mod.foo_pony(callback)
|
|
|
|
>>> with PdbTestInput([
|
|
... 'step',
|
|
... 'step',
|
|
... 'step',
|
|
... 'step',
|
|
... 'step',
|
|
... 'continue',
|
|
... ]):
|
|
... skip_module()
|
|
... pass # provides something to "step" to
|
|
> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()
|
|
-> mod.foo_pony(callback)
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(2)callback()
|
|
-> def callback():
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()
|
|
-> return None
|
|
(Pdb) step
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()->None
|
|
-> return None
|
|
(Pdb) step
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()->None
|
|
-> mod.foo_pony(callback)
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[1]>(10)<module>()
|
|
-> pass # provides something to "step" to
|
|
(Pdb) continue
|
|
"""
|
|
|
|
|
|
def test_main():
|
|
from test import test_pdb
|
|
test_support.run_doctest(test_pdb, verbosity=True)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|