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1967 lines
62 KiB
1967 lines
62 KiB
# A test suite for pdb; not very comprehensive at the moment.
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import doctest
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import os
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import pdb
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import sys
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import types
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import codecs
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import unittest
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import subprocess
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import textwrap
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import linecache
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from contextlib import ExitStack, redirect_stdout
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from io import StringIO
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from test.support import os_helper
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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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from unittest.mock import patch
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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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self.orig_trace = sys.gettrace() if hasattr(sys, 'gettrace') else None
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def __exit__(self, *exc):
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sys.stdin = self.real_stdin
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if self.orig_trace:
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sys.settrace(self.orig_trace)
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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(nosigint=True, readrc=False).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_basic_commands():
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"""Test the basic commands of pdb.
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>>> def test_function_2(foo, bar='default'):
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... print(foo)
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... for i in range(5):
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... print(i)
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... print(bar)
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... for i in range(10):
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... never_executed
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... print('after for')
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... print('...')
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... return foo.upper()
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>>> def test_function3(arg=None, *, kwonly=None):
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... pass
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>>> def test_function4(a, b, c, /):
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... pass
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>>> def test_function():
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... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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... ret = test_function_2('baz')
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... test_function3(kwonly=True)
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... test_function4(1, 2, 3)
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... print(ret)
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>>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
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... 'step', # entering the function call
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... 'args', # display function args
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... 'list', # list function source
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... 'bt', # display backtrace
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... 'up', # step up to test_function()
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... 'down', # step down to test_function_2() again
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... 'next', # stepping to print(foo)
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... 'next', # stepping to the for loop
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... 'step', # stepping into the for loop
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... 'until', # continuing until out of the for loop
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... 'next', # executing the print(bar)
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... 'jump 8', # jump over second for loop
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... 'return', # return out of function
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... 'retval', # display return value
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... 'next', # step to test_function3()
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... 'step', # stepping into test_function3()
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... 'args', # display function args
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... 'return', # return out of function
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... 'next', # step to test_function4()
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... 'step', # stepping to test_function4()
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... 'args', # display function args
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... 'continue',
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... ]):
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... test_function()
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> <doctest test.test_pdb.test_pdb_basic_commands[3]>(3)test_function()
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-> ret = test_function_2('baz')
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(Pdb) step
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--Call--
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2()
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-> def test_function_2(foo, bar='default'):
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(Pdb) args
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foo = 'baz'
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bar = 'default'
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(Pdb) list
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1 -> def test_function_2(foo, bar='default'):
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2 print(foo)
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3 for i in range(5):
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4 print(i)
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5 print(bar)
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6 for i in range(10):
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7 never_executed
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8 print('after for')
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9 print('...')
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10 return foo.upper()
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[EOF]
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(Pdb) bt
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...
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<doctest test.test_pdb.test_pdb_basic_commands[4]>(25)<module>()
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-> test_function()
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<doctest test.test_pdb.test_pdb_basic_commands[3]>(3)test_function()
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-> ret = test_function_2('baz')
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2()
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-> def test_function_2(foo, bar='default'):
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(Pdb) up
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> <doctest test.test_pdb.test_pdb_basic_commands[3]>(3)test_function()
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-> ret = test_function_2('baz')
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(Pdb) down
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2()
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-> def test_function_2(foo, bar='default'):
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(Pdb) next
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(2)test_function_2()
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-> print(foo)
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(Pdb) next
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baz
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(3)test_function_2()
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-> for i in range(5):
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(Pdb) step
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(4)test_function_2()
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-> print(i)
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(Pdb) until
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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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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(5)test_function_2()
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-> print(bar)
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(Pdb) next
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default
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(6)test_function_2()
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-> for i in range(10):
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(Pdb) jump 8
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(8)test_function_2()
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-> print('after for')
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(Pdb) return
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after for
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...
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--Return--
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> <doctest test.test_pdb.test_pdb_basic_commands[0]>(10)test_function_2()->'BAZ'
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-> return foo.upper()
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(Pdb) retval
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'BAZ'
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(Pdb) next
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> <doctest test.test_pdb.test_pdb_basic_commands[3]>(4)test_function()
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-> test_function3(kwonly=True)
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(Pdb) step
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--Call--
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> <doctest test.test_pdb.test_pdb_basic_commands[1]>(1)test_function3()
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-> def test_function3(arg=None, *, kwonly=None):
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(Pdb) args
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arg = None
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kwonly = True
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(Pdb) return
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--Return--
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> <doctest test.test_pdb.test_pdb_basic_commands[1]>(2)test_function3()->None
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-> pass
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(Pdb) next
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> <doctest test.test_pdb.test_pdb_basic_commands[3]>(5)test_function()
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-> test_function4(1, 2, 3)
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(Pdb) step
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--Call--
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> <doctest test.test_pdb.test_pdb_basic_commands[2]>(1)test_function4()
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-> def test_function4(a, b, c, /):
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(Pdb) args
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a = 1
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b = 2
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c = 3
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(Pdb) continue
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BAZ
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"""
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def reset_Breakpoint():
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import bdb
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bdb.Breakpoint.clearBreakpoints()
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def test_pdb_breakpoint_commands():
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"""Test basic commands related to breakpoints.
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>>> def test_function():
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... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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... print(1)
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... print(2)
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... print(3)
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... print(4)
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First, need to clear bdb state that might be left over from previous tests.
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Otherwise, the new breakpoints might get assigned different numbers.
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>>> reset_Breakpoint()
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Now test the breakpoint commands. NORMALIZE_WHITESPACE is needed because
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the breakpoint list outputs a tab for the "stop only" and "ignore next"
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lines, which we don't want to put in here.
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>>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
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... 'break 3',
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... 'disable 1',
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... 'ignore 1 10',
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... 'condition 1 1 < 2',
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... 'break 4',
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... 'break 4',
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... 'break',
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... 'clear 3',
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... 'break',
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... 'condition 1',
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... 'enable 1',
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... 'clear 1',
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... 'commands 2',
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... 'p "42"',
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... 'print("42", 7*6)', # Issue 18764 (not about breakpoints)
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... 'end',
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... 'continue', # will stop at breakpoint 2 (line 4)
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... 'clear', # clear all!
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... 'y',
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... 'tbreak 5',
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... 'continue', # will stop at temporary breakpoint
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... 'break', # make sure breakpoint is gone
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... 'continue',
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... ]):
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... test_function()
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> <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(3)test_function()
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-> print(1)
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(Pdb) break 3
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Breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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(Pdb) disable 1
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Disabled breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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(Pdb) ignore 1 10
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Will ignore next 10 crossings of breakpoint 1.
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(Pdb) condition 1 1 < 2
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New condition set for breakpoint 1.
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(Pdb) break 4
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Breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) break 4
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Breakpoint 3 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) break
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Num Type Disp Enb Where
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1 breakpoint keep no at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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stop only if 1 < 2
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ignore next 10 hits
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2 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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3 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) clear 3
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Deleted breakpoint 3 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) break
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Num Type Disp Enb Where
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1 breakpoint keep no at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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stop only if 1 < 2
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ignore next 10 hits
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2 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) condition 1
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Breakpoint 1 is now unconditional.
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(Pdb) enable 1
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Enabled breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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(Pdb) clear 1
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Deleted breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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(Pdb) commands 2
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(com) p "42"
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(com) print("42", 7*6)
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(com) end
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(Pdb) continue
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1
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'42'
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42 42
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> <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(4)test_function()
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-> print(2)
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(Pdb) clear
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Clear all breaks? y
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Deleted breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) tbreak 5
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Breakpoint 4 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:5
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(Pdb) continue
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2
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Deleted breakpoint 4 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:5
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> <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(5)test_function()
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-> print(3)
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(Pdb) break
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(Pdb) continue
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3
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4
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"""
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def test_pdb_breakpoints_preserved_across_interactive_sessions():
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"""Breakpoints are remembered between interactive sessions
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>>> reset_Breakpoint()
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>>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
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... 'import test.test_pdb',
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... 'break test.test_pdb.do_something',
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... 'break test.test_pdb.do_nothing',
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... 'break',
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... 'continue',
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... ]):
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... pdb.run('print()')
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> <string>(1)<module>()...
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(Pdb) import test.test_pdb
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(Pdb) break test.test_pdb.do_something
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Breakpoint 1 at ...test_pdb.py:...
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(Pdb) break test.test_pdb.do_nothing
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Breakpoint 2 at ...test_pdb.py:...
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(Pdb) break
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Num Type Disp Enb Where
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1 breakpoint keep yes at ...test_pdb.py:...
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2 breakpoint keep yes at ...test_pdb.py:...
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(Pdb) continue
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>>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
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... 'break',
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... 'break pdb.find_function',
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... 'break',
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... 'clear 1',
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... 'continue',
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... ]):
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... pdb.run('print()')
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> <string>(1)<module>()...
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(Pdb) break
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Num Type Disp Enb Where
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1 breakpoint keep yes at ...test_pdb.py:...
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2 breakpoint keep yes at ...test_pdb.py:...
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(Pdb) break pdb.find_function
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Breakpoint 3 at ...pdb.py:94
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(Pdb) break
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Num Type Disp Enb Where
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1 breakpoint keep yes at ...test_pdb.py:...
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2 breakpoint keep yes at ...test_pdb.py:...
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3 breakpoint keep yes at ...pdb.py:...
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(Pdb) clear 1
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Deleted breakpoint 1 at ...test_pdb.py:...
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(Pdb) continue
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>>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
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... 'break',
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... 'clear 2',
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... 'clear 3',
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... 'continue',
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... ]):
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... pdb.run('print()')
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> <string>(1)<module>()...
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(Pdb) break
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Num Type Disp Enb Where
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2 breakpoint keep yes at ...test_pdb.py:...
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3 breakpoint keep yes at ...pdb.py:...
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(Pdb) clear 2
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Deleted breakpoint 2 at ...test_pdb.py:...
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(Pdb) clear 3
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Deleted breakpoint 3 at ...pdb.py:...
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(Pdb) continue
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"""
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def test_pdb_pp_repr_exc():
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"""Test that do_p/do_pp do not swallow exceptions.
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>>> class BadRepr:
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... def __repr__(self):
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... raise Exception('repr_exc')
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>>> obj = BadRepr()
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>>> def test_function():
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... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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>>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
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... 'p obj',
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... 'pp obj',
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... 'continue',
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... ]):
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... test_function()
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--Return--
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> <doctest test.test_pdb.test_pdb_pp_repr_exc[2]>(2)test_function()->None
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-> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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(Pdb) p obj
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*** Exception: repr_exc
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(Pdb) pp obj
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*** Exception: repr_exc
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(Pdb) continue
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"""
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def do_nothing():
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pass
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def do_something():
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print(42)
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def test_list_commands():
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"""Test the list and source commands of pdb.
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>>> def test_function_2(foo):
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... import test.test_pdb
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... test.test_pdb.do_nothing()
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... 'some...'
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... 'more...'
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... 'code...'
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... 'to...'
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... 'make...'
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... 'a...'
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... 'long...'
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... 'listing...'
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... 'useful...'
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... '...'
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... '...'
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... return foo
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>>> def test_function():
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... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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... ret = test_function_2('baz')
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>>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
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... 'list', # list first function
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... 'step', # step into second function
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... 'list', # list second function
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... 'list', # continue listing to EOF
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... 'list 1,3', # list specific lines
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... 'list x', # invalid argument
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... 'next', # step to import
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... 'next', # step over import
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... 'step', # step into do_nothing
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... 'longlist', # list all lines
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... 'source do_something', # list all lines of function
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... 'source fooxxx', # something that doesn't exit
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... 'continue',
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... ]):
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... test_function()
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> <doctest test.test_pdb.test_list_commands[1]>(3)test_function()
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-> ret = test_function_2('baz')
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(Pdb) list
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1 def test_function():
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2 import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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3 -> ret = test_function_2('baz')
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[EOF]
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(Pdb) step
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--Call--
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> <doctest test.test_pdb.test_list_commands[0]>(1)test_function_2()
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-> def test_function_2(foo):
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(Pdb) list
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1 -> def test_function_2(foo):
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2 import test.test_pdb
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3 test.test_pdb.do_nothing()
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4 'some...'
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5 'more...'
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6 'code...'
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7 'to...'
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8 'make...'
|
|
9 'a...'
|
|
10 'long...'
|
|
11 'listing...'
|
|
(Pdb) list
|
|
12 'useful...'
|
|
13 '...'
|
|
14 '...'
|
|
15 return foo
|
|
[EOF]
|
|
(Pdb) list 1,3
|
|
1 -> def test_function_2(foo):
|
|
2 import test.test_pdb
|
|
3 test.test_pdb.do_nothing()
|
|
(Pdb) list x
|
|
*** ...
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_list_commands[0]>(2)test_function_2()
|
|
-> import test.test_pdb
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_list_commands[0]>(3)test_function_2()
|
|
-> test.test_pdb.do_nothing()
|
|
(Pdb) step
|
|
--Call--
|
|
> ...test_pdb.py(...)do_nothing()
|
|
-> def do_nothing():
|
|
(Pdb) longlist
|
|
... -> def do_nothing():
|
|
... pass
|
|
(Pdb) source do_something
|
|
... def do_something():
|
|
... print(42)
|
|
(Pdb) source fooxxx
|
|
*** ...
|
|
(Pdb) continue
|
|
"""
|
|
|
|
def test_pdb_whatis_command():
|
|
"""Test the whatis command
|
|
|
|
>>> myvar = (1,2)
|
|
>>> def myfunc():
|
|
... pass
|
|
|
|
>>> class MyClass:
|
|
... def mymethod(self):
|
|
... pass
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
|
|
>>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
|
|
... 'whatis myvar',
|
|
... 'whatis myfunc',
|
|
... 'whatis MyClass',
|
|
... 'whatis MyClass()',
|
|
... 'whatis MyClass.mymethod',
|
|
... 'whatis MyClass().mymethod',
|
|
... 'continue',
|
|
... ]):
|
|
... test_function()
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_whatis_command[3]>(2)test_function()->None
|
|
-> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
(Pdb) whatis myvar
|
|
<class 'tuple'>
|
|
(Pdb) whatis myfunc
|
|
Function myfunc
|
|
(Pdb) whatis MyClass
|
|
Class test.test_pdb.MyClass
|
|
(Pdb) whatis MyClass()
|
|
<class 'test.test_pdb.MyClass'>
|
|
(Pdb) whatis MyClass.mymethod
|
|
Function mymethod
|
|
(Pdb) whatis MyClass().mymethod
|
|
Method mymethod
|
|
(Pdb) continue
|
|
"""
|
|
|
|
def test_post_mortem():
|
|
"""Test post mortem traceback debugging.
|
|
|
|
>>> def test_function_2():
|
|
... try:
|
|
... 1/0
|
|
... finally:
|
|
... print('Exception!')
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... test_function_2()
|
|
... print('Not reached.')
|
|
|
|
>>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
|
|
... 'next', # step over exception-raising call
|
|
... 'bt', # get a backtrace
|
|
... 'list', # list code of test_function()
|
|
... 'down', # step into test_function_2()
|
|
... 'list', # list code of test_function_2()
|
|
... 'continue',
|
|
... ]):
|
|
... try:
|
|
... test_function()
|
|
... except ZeroDivisionError:
|
|
... print('Correctly reraised.')
|
|
> <doctest test.test_pdb.test_post_mortem[1]>(3)test_function()
|
|
-> test_function_2()
|
|
(Pdb) next
|
|
Exception!
|
|
ZeroDivisionError: division by zero
|
|
> <doctest test.test_pdb.test_post_mortem[1]>(3)test_function()
|
|
-> test_function_2()
|
|
(Pdb) bt
|
|
...
|
|
<doctest test.test_pdb.test_post_mortem[2]>(10)<module>()
|
|
-> test_function()
|
|
> <doctest test.test_pdb.test_post_mortem[1]>(3)test_function()
|
|
-> test_function_2()
|
|
<doctest test.test_pdb.test_post_mortem[0]>(3)test_function_2()
|
|
-> 1/0
|
|
(Pdb) list
|
|
1 def test_function():
|
|
2 import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
3 -> test_function_2()
|
|
4 print('Not reached.')
|
|
[EOF]
|
|
(Pdb) down
|
|
> <doctest test.test_pdb.test_post_mortem[0]>(3)test_function_2()
|
|
-> 1/0
|
|
(Pdb) list
|
|
1 def test_function_2():
|
|
2 try:
|
|
3 >> 1/0
|
|
4 finally:
|
|
5 -> print('Exception!')
|
|
[EOF]
|
|
(Pdb) continue
|
|
Correctly reraised.
|
|
"""
|
|
|
|
|
|
def test_pdb_skip_modules():
|
|
"""This illustrates the simple case of module skipping.
|
|
|
|
>>> def skip_module():
|
|
... import string
|
|
... import pdb; pdb.Pdb(skip=['stri*'], nosigint=True, readrc=False).set_trace()
|
|
... string.capwords('FOO')
|
|
|
|
>>> with PdbTestInput([
|
|
... 'step',
|
|
... 'continue',
|
|
... ]):
|
|
... skip_module()
|
|
> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()
|
|
-> string.capwords('FOO')
|
|
(Pdb) step
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()->None
|
|
-> string.capwords('FOO')
|
|
(Pdb) continue
|
|
"""
|
|
|
|
|
|
# Module for testing skipping of module that makes a callback
|
|
mod = types.ModuleType('module_to_skip')
|
|
exec('def foo_pony(callback): x = 1; callback(); return None', 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*'], nosigint=True, readrc=False).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_pdb_continue_in_bottomframe():
|
|
"""Test that "continue" and "next" work properly in bottom frame (issue #5294).
|
|
|
|
>>> def test_function():
|
|
... import pdb, sys; inst = pdb.Pdb(nosigint=True, readrc=False)
|
|
... inst.set_trace()
|
|
... inst.botframe = sys._getframe() # hackery to get the right botframe
|
|
... print(1)
|
|
... print(2)
|
|
... print(3)
|
|
... print(4)
|
|
|
|
>>> with PdbTestInput([ # doctest: +ELLIPSIS
|
|
... 'next',
|
|
... 'break 7',
|
|
... 'continue',
|
|
... 'next',
|
|
... 'continue',
|
|
... 'continue',
|
|
... ]):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(4)test_function()
|
|
-> inst.botframe = sys._getframe() # hackery to get the right botframe
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(5)test_function()
|
|
-> print(1)
|
|
(Pdb) break 7
|
|
Breakpoint ... at <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>:7
|
|
(Pdb) continue
|
|
1
|
|
2
|
|
> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(7)test_function()
|
|
-> print(3)
|
|
(Pdb) next
|
|
3
|
|
> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(8)test_function()
|
|
-> print(4)
|
|
(Pdb) continue
|
|
4
|
|
"""
|
|
|
|
|
|
def pdb_invoke(method, arg):
|
|
"""Run pdb.method(arg)."""
|
|
getattr(pdb.Pdb(nosigint=True, readrc=False), method)(arg)
|
|
|
|
|
|
def test_pdb_run_with_incorrect_argument():
|
|
"""Testing run and runeval with incorrect first argument.
|
|
|
|
>>> pti = PdbTestInput(['continue',])
|
|
>>> with pti:
|
|
... pdb_invoke('run', lambda x: x)
|
|
Traceback (most recent call last):
|
|
TypeError: exec() arg 1 must be a string, bytes or code object
|
|
|
|
>>> with pti:
|
|
... pdb_invoke('runeval', lambda x: x)
|
|
Traceback (most recent call last):
|
|
TypeError: eval() arg 1 must be a string, bytes or code object
|
|
"""
|
|
|
|
|
|
def test_pdb_run_with_code_object():
|
|
"""Testing run and runeval with code object as a first argument.
|
|
|
|
>>> with PdbTestInput(['step','x', 'continue']): # doctest: +ELLIPSIS
|
|
... pdb_invoke('run', compile('x=1', '<string>', 'exec'))
|
|
> <string>(1)<module>()...
|
|
(Pdb) step
|
|
--Return--
|
|
> <string>(1)<module>()->None
|
|
(Pdb) x
|
|
1
|
|
(Pdb) continue
|
|
|
|
>>> with PdbTestInput(['x', 'continue']):
|
|
... x=0
|
|
... pdb_invoke('runeval', compile('x+1', '<string>', 'eval'))
|
|
> <string>(1)<module>()->None
|
|
(Pdb) x
|
|
1
|
|
(Pdb) continue
|
|
"""
|
|
|
|
def test_next_until_return_at_return_event():
|
|
"""Test that pdb stops after a next/until/return issued at a return debug event.
|
|
|
|
>>> def test_function_2():
|
|
... x = 1
|
|
... x = 2
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... test_function_2()
|
|
... test_function_2()
|
|
... test_function_2()
|
|
... end = 1
|
|
|
|
>>> reset_Breakpoint()
|
|
>>> with PdbTestInput(['break test_function_2',
|
|
... 'continue',
|
|
... 'return',
|
|
... 'next',
|
|
... 'continue',
|
|
... 'return',
|
|
... 'until',
|
|
... 'continue',
|
|
... 'return',
|
|
... 'return',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(3)test_function()
|
|
-> test_function_2()
|
|
(Pdb) break test_function_2
|
|
Breakpoint 1 at <doctest test.test_pdb.test_next_until_return_at_return_event[0]>:1
|
|
(Pdb) continue
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(2)test_function_2()
|
|
-> x = 1
|
|
(Pdb) return
|
|
--Return--
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(3)test_function_2()->None
|
|
-> x = 2
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(4)test_function()
|
|
-> test_function_2()
|
|
(Pdb) continue
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(2)test_function_2()
|
|
-> x = 1
|
|
(Pdb) return
|
|
--Return--
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(3)test_function_2()->None
|
|
-> x = 2
|
|
(Pdb) until
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(5)test_function()
|
|
-> test_function_2()
|
|
(Pdb) continue
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(2)test_function_2()
|
|
-> x = 1
|
|
(Pdb) return
|
|
--Return--
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(3)test_function_2()->None
|
|
-> x = 2
|
|
(Pdb) return
|
|
> <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(6)test_function()
|
|
-> end = 1
|
|
(Pdb) continue
|
|
"""
|
|
|
|
def test_pdb_next_command_for_generator():
|
|
"""Testing skip unwindng stack on yield for generators for "next" command
|
|
|
|
>>> def test_gen():
|
|
... yield 0
|
|
... return 1
|
|
... yield 2
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... it = test_gen()
|
|
... try:
|
|
... if next(it) != 0:
|
|
... raise AssertionError
|
|
... next(it)
|
|
... except StopIteration as ex:
|
|
... if ex.value != 1:
|
|
... raise AssertionError
|
|
... print("finished")
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'step',
|
|
... 'step',
|
|
... 'next',
|
|
... 'next',
|
|
... 'step',
|
|
... 'step',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(3)test_function()
|
|
-> it = test_gen()
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(4)test_function()
|
|
-> try:
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(5)test_function()
|
|
-> if next(it) != 0:
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(1)test_gen()
|
|
-> def test_gen():
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(2)test_gen()
|
|
-> yield 0
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(3)test_gen()
|
|
-> return 1
|
|
(Pdb) step
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(3)test_gen()->1
|
|
-> return 1
|
|
(Pdb) step
|
|
StopIteration: 1
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(7)test_function()
|
|
-> next(it)
|
|
(Pdb) continue
|
|
finished
|
|
"""
|
|
|
|
def test_pdb_next_command_for_coroutine():
|
|
"""Testing skip unwindng stack on yield for coroutines for "next" command
|
|
|
|
>>> import asyncio
|
|
|
|
>>> async def test_coro():
|
|
... await asyncio.sleep(0)
|
|
... await asyncio.sleep(0)
|
|
... await asyncio.sleep(0)
|
|
|
|
>>> async def test_main():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... await test_coro()
|
|
|
|
>>> def test_function():
|
|
... loop = asyncio.new_event_loop()
|
|
... loop.run_until_complete(test_main())
|
|
... loop.close()
|
|
... asyncio.set_event_loop_policy(None)
|
|
... print("finished")
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'step',
|
|
... 'next',
|
|
... 'next',
|
|
... 'next',
|
|
... 'step',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_coroutine[2]>(3)test_main()
|
|
-> await test_coro()
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_coroutine[1]>(1)test_coro()
|
|
-> async def test_coro():
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_coroutine[1]>(2)test_coro()
|
|
-> await asyncio.sleep(0)
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_coroutine[1]>(3)test_coro()
|
|
-> await asyncio.sleep(0)
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_coroutine[1]>(4)test_coro()
|
|
-> await asyncio.sleep(0)
|
|
(Pdb) next
|
|
Internal StopIteration
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_coroutine[2]>(3)test_main()
|
|
-> await test_coro()
|
|
(Pdb) step
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_coroutine[2]>(3)test_main()->None
|
|
-> await test_coro()
|
|
(Pdb) continue
|
|
finished
|
|
"""
|
|
|
|
def test_pdb_next_command_for_asyncgen():
|
|
"""Testing skip unwindng stack on yield for coroutines for "next" command
|
|
|
|
>>> import asyncio
|
|
|
|
>>> async def agen():
|
|
... yield 1
|
|
... await asyncio.sleep(0)
|
|
... yield 2
|
|
|
|
>>> async def test_coro():
|
|
... async for x in agen():
|
|
... print(x)
|
|
|
|
>>> async def test_main():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... await test_coro()
|
|
|
|
>>> def test_function():
|
|
... loop = asyncio.new_event_loop()
|
|
... loop.run_until_complete(test_main())
|
|
... loop.close()
|
|
... asyncio.set_event_loop_policy(None)
|
|
... print("finished")
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'step',
|
|
... 'next',
|
|
... 'next',
|
|
... 'step',
|
|
... 'next',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_asyncgen[3]>(3)test_main()
|
|
-> await test_coro()
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_asyncgen[2]>(1)test_coro()
|
|
-> async def test_coro():
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_asyncgen[2]>(2)test_coro()
|
|
-> async for x in agen():
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_asyncgen[2]>(3)test_coro()
|
|
-> print(x)
|
|
(Pdb) next
|
|
1
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_asyncgen[2]>(2)test_coro()
|
|
-> async for x in agen():
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_asyncgen[1]>(2)agen()
|
|
-> yield 1
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_for_asyncgen[1]>(3)agen()
|
|
-> await asyncio.sleep(0)
|
|
(Pdb) continue
|
|
2
|
|
finished
|
|
"""
|
|
|
|
def test_pdb_return_command_for_generator():
|
|
"""Testing no unwindng stack on yield for generators
|
|
for "return" command
|
|
|
|
>>> def test_gen():
|
|
... yield 0
|
|
... return 1
|
|
... yield 2
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... it = test_gen()
|
|
... try:
|
|
... if next(it) != 0:
|
|
... raise AssertionError
|
|
... next(it)
|
|
... except StopIteration as ex:
|
|
... if ex.value != 1:
|
|
... raise AssertionError
|
|
... print("finished")
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'step',
|
|
... 'step',
|
|
... 'return',
|
|
... 'step',
|
|
... 'step',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(3)test_function()
|
|
-> it = test_gen()
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(4)test_function()
|
|
-> try:
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(5)test_function()
|
|
-> if next(it) != 0:
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_generator[0]>(1)test_gen()
|
|
-> def test_gen():
|
|
(Pdb) return
|
|
StopIteration: 1
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(7)test_function()
|
|
-> next(it)
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(8)test_function()
|
|
-> except StopIteration as ex:
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(9)test_function()
|
|
-> if ex.value != 1:
|
|
(Pdb) continue
|
|
finished
|
|
"""
|
|
|
|
def test_pdb_return_command_for_coroutine():
|
|
"""Testing no unwindng stack on yield for coroutines for "return" command
|
|
|
|
>>> import asyncio
|
|
|
|
>>> async def test_coro():
|
|
... await asyncio.sleep(0)
|
|
... await asyncio.sleep(0)
|
|
... await asyncio.sleep(0)
|
|
|
|
>>> async def test_main():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... await test_coro()
|
|
|
|
>>> def test_function():
|
|
... loop = asyncio.new_event_loop()
|
|
... loop.run_until_complete(test_main())
|
|
... loop.close()
|
|
... asyncio.set_event_loop_policy(None)
|
|
... print("finished")
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'step',
|
|
... 'next',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_coroutine[2]>(3)test_main()
|
|
-> await test_coro()
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_coroutine[1]>(1)test_coro()
|
|
-> async def test_coro():
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_coroutine[1]>(2)test_coro()
|
|
-> await asyncio.sleep(0)
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_return_command_for_coroutine[1]>(3)test_coro()
|
|
-> await asyncio.sleep(0)
|
|
(Pdb) continue
|
|
finished
|
|
"""
|
|
|
|
def test_pdb_until_command_for_generator():
|
|
"""Testing no unwindng stack on yield for generators
|
|
for "until" command if target breakpoint is not reached
|
|
|
|
>>> def test_gen():
|
|
... yield 0
|
|
... yield 1
|
|
... yield 2
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... for i in test_gen():
|
|
... print(i)
|
|
... print("finished")
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'until 4',
|
|
... 'step',
|
|
... 'step',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_generator[1]>(3)test_function()
|
|
-> for i in test_gen():
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_generator[0]>(1)test_gen()
|
|
-> def test_gen():
|
|
(Pdb) until 4
|
|
0
|
|
1
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_generator[0]>(4)test_gen()
|
|
-> yield 2
|
|
(Pdb) step
|
|
--Return--
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_generator[0]>(4)test_gen()->2
|
|
-> yield 2
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_generator[1]>(4)test_function()
|
|
-> print(i)
|
|
(Pdb) continue
|
|
2
|
|
finished
|
|
"""
|
|
|
|
def test_pdb_until_command_for_coroutine():
|
|
"""Testing no unwindng stack for coroutines
|
|
for "until" command if target breakpoint is not reached
|
|
|
|
>>> import asyncio
|
|
|
|
>>> async def test_coro():
|
|
... print(0)
|
|
... await asyncio.sleep(0)
|
|
... print(1)
|
|
... await asyncio.sleep(0)
|
|
... print(2)
|
|
... await asyncio.sleep(0)
|
|
... print(3)
|
|
|
|
>>> async def test_main():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... await test_coro()
|
|
|
|
>>> def test_function():
|
|
... loop = asyncio.new_event_loop()
|
|
... loop.run_until_complete(test_main())
|
|
... loop.close()
|
|
... asyncio.set_event_loop_policy(None)
|
|
... print("finished")
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'until 8',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_coroutine[2]>(3)test_main()
|
|
-> await test_coro()
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_coroutine[1]>(1)test_coro()
|
|
-> async def test_coro():
|
|
(Pdb) until 8
|
|
0
|
|
1
|
|
2
|
|
> <doctest test.test_pdb.test_pdb_until_command_for_coroutine[1]>(8)test_coro()
|
|
-> print(3)
|
|
(Pdb) continue
|
|
3
|
|
finished
|
|
"""
|
|
|
|
def test_pdb_next_command_in_generator_for_loop():
|
|
"""The next command on returning from a generator controlled by a for loop.
|
|
|
|
>>> def test_gen():
|
|
... yield 0
|
|
... return 1
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... for i in test_gen():
|
|
... print('value', i)
|
|
... x = 123
|
|
|
|
>>> reset_Breakpoint()
|
|
>>> with PdbTestInput(['break test_gen',
|
|
... 'continue',
|
|
... 'next',
|
|
... 'next',
|
|
... 'next',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[1]>(3)test_function()
|
|
-> for i in test_gen():
|
|
(Pdb) break test_gen
|
|
Breakpoint 1 at <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[0]>:1
|
|
(Pdb) continue
|
|
> <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[0]>(2)test_gen()
|
|
-> yield 0
|
|
(Pdb) next
|
|
value 0
|
|
> <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[0]>(3)test_gen()
|
|
-> return 1
|
|
(Pdb) next
|
|
Internal StopIteration: 1
|
|
> <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[1]>(3)test_function()
|
|
-> for i in test_gen():
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[1]>(5)test_function()
|
|
-> x = 123
|
|
(Pdb) continue
|
|
"""
|
|
|
|
def test_pdb_next_command_subiterator():
|
|
"""The next command in a generator with a subiterator.
|
|
|
|
>>> def test_subgenerator():
|
|
... yield 0
|
|
... return 1
|
|
|
|
>>> def test_gen():
|
|
... x = yield from test_subgenerator()
|
|
... return x
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... for i in test_gen():
|
|
... print('value', i)
|
|
... x = 123
|
|
|
|
>>> with PdbTestInput(['step',
|
|
... 'step',
|
|
... 'next',
|
|
... 'next',
|
|
... 'next',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_next_command_subiterator[2]>(3)test_function()
|
|
-> for i in test_gen():
|
|
(Pdb) step
|
|
--Call--
|
|
> <doctest test.test_pdb.test_pdb_next_command_subiterator[1]>(1)test_gen()
|
|
-> def test_gen():
|
|
(Pdb) step
|
|
> <doctest test.test_pdb.test_pdb_next_command_subiterator[1]>(2)test_gen()
|
|
-> x = yield from test_subgenerator()
|
|
(Pdb) next
|
|
value 0
|
|
> <doctest test.test_pdb.test_pdb_next_command_subiterator[1]>(3)test_gen()
|
|
-> return x
|
|
(Pdb) next
|
|
Internal StopIteration: 1
|
|
> <doctest test.test_pdb.test_pdb_next_command_subiterator[2]>(3)test_function()
|
|
-> for i in test_gen():
|
|
(Pdb) next
|
|
> <doctest test.test_pdb.test_pdb_next_command_subiterator[2]>(5)test_function()
|
|
-> x = 123
|
|
(Pdb) continue
|
|
"""
|
|
|
|
def test_pdb_issue_20766():
|
|
"""Test for reference leaks when the SIGINT handler is set.
|
|
|
|
>>> def test_function():
|
|
... i = 1
|
|
... while i <= 2:
|
|
... sess = pdb.Pdb()
|
|
... sess.set_trace(sys._getframe())
|
|
... print('pdb %d: %s' % (i, sess._previous_sigint_handler))
|
|
... i += 1
|
|
|
|
>>> reset_Breakpoint()
|
|
>>> with PdbTestInput(['continue',
|
|
... 'continue']):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_issue_20766[0]>(6)test_function()
|
|
-> print('pdb %d: %s' % (i, sess._previous_sigint_handler))
|
|
(Pdb) continue
|
|
pdb 1: <built-in function default_int_handler>
|
|
> <doctest test.test_pdb.test_pdb_issue_20766[0]>(6)test_function()
|
|
-> print('pdb %d: %s' % (i, sess._previous_sigint_handler))
|
|
(Pdb) continue
|
|
pdb 2: <built-in function default_int_handler>
|
|
"""
|
|
|
|
def test_pdb_issue_43318():
|
|
"""echo breakpoints cleared with filename:lineno
|
|
|
|
>>> def test_function():
|
|
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
|
|
... print(1)
|
|
... print(2)
|
|
... print(3)
|
|
... print(4)
|
|
>>> reset_Breakpoint()
|
|
>>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
|
|
... 'break 3',
|
|
... 'clear <doctest test.test_pdb.test_pdb_issue_43318[0]>:3',
|
|
... 'continue'
|
|
... ]):
|
|
... test_function()
|
|
> <doctest test.test_pdb.test_pdb_issue_43318[0]>(3)test_function()
|
|
-> print(1)
|
|
(Pdb) break 3
|
|
Breakpoint 1 at <doctest test.test_pdb.test_pdb_issue_43318[0]>:3
|
|
(Pdb) clear <doctest test.test_pdb.test_pdb_issue_43318[0]>:3
|
|
Deleted breakpoint 1 at <doctest test.test_pdb.test_pdb_issue_43318[0]>:3
|
|
(Pdb) continue
|
|
1
|
|
2
|
|
3
|
|
4
|
|
"""
|
|
|
|
|
|
class PdbTestCase(unittest.TestCase):
|
|
def tearDown(self):
|
|
os_helper.unlink(os_helper.TESTFN)
|
|
|
|
def _run_pdb(self, pdb_args, commands):
|
|
self.addCleanup(os_helper.rmtree, '__pycache__')
|
|
cmd = [sys.executable, '-m', 'pdb'] + pdb_args
|
|
with subprocess.Popen(
|
|
cmd,
|
|
stdout=subprocess.PIPE,
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
env = {**os.environ, 'PYTHONIOENCODING': 'utf-8'}
|
|
) as proc:
|
|
stdout, stderr = proc.communicate(str.encode(commands))
|
|
stdout = stdout and bytes.decode(stdout)
|
|
stderr = stderr and bytes.decode(stderr)
|
|
return stdout, stderr
|
|
|
|
def run_pdb_script(self, script, commands):
|
|
"""Run 'script' lines with pdb and the pdb 'commands'."""
|
|
filename = 'main.py'
|
|
with open(filename, 'w') as f:
|
|
f.write(textwrap.dedent(script))
|
|
self.addCleanup(os_helper.unlink, filename)
|
|
return self._run_pdb([filename], commands)
|
|
|
|
def run_pdb_module(self, script, commands):
|
|
"""Runs the script code as part of a module"""
|
|
self.module_name = 't_main'
|
|
os_helper.rmtree(self.module_name)
|
|
main_file = self.module_name + '/__main__.py'
|
|
init_file = self.module_name + '/__init__.py'
|
|
os.mkdir(self.module_name)
|
|
with open(init_file, 'w') as f:
|
|
pass
|
|
with open(main_file, 'w') as f:
|
|
f.write(textwrap.dedent(script))
|
|
self.addCleanup(os_helper.rmtree, self.module_name)
|
|
return self._run_pdb(['-m', self.module_name], commands)
|
|
|
|
def _assert_find_function(self, file_content, func_name, expected):
|
|
with open(os_helper.TESTFN, 'wb') as f:
|
|
f.write(file_content)
|
|
|
|
expected = None if not expected else (
|
|
expected[0], os_helper.TESTFN, expected[1])
|
|
self.assertEqual(
|
|
expected, pdb.find_function(func_name, os_helper.TESTFN))
|
|
|
|
def test_find_function_empty_file(self):
|
|
self._assert_find_function(b'', 'foo', None)
|
|
|
|
def test_find_function_found(self):
|
|
self._assert_find_function(
|
|
"""\
|
|
def foo():
|
|
pass
|
|
|
|
def bœr():
|
|
pass
|
|
|
|
def quux():
|
|
pass
|
|
""".encode(),
|
|
'bœr',
|
|
('bœr', 4),
|
|
)
|
|
|
|
def test_find_function_found_with_encoding_cookie(self):
|
|
self._assert_find_function(
|
|
"""\
|
|
# coding: iso-8859-15
|
|
def foo():
|
|
pass
|
|
|
|
def bœr():
|
|
pass
|
|
|
|
def quux():
|
|
pass
|
|
""".encode('iso-8859-15'),
|
|
'bœr',
|
|
('bœr', 5),
|
|
)
|
|
|
|
def test_find_function_found_with_bom(self):
|
|
self._assert_find_function(
|
|
codecs.BOM_UTF8 + """\
|
|
def bœr():
|
|
pass
|
|
""".encode(),
|
|
'bœr',
|
|
('bœr', 1),
|
|
)
|
|
|
|
def test_issue7964(self):
|
|
# open the file as binary so we can force \r\n newline
|
|
with open(os_helper.TESTFN, 'wb') as f:
|
|
f.write(b'print("testing my pdb")\r\n')
|
|
cmd = [sys.executable, '-m', 'pdb', os_helper.TESTFN]
|
|
proc = subprocess.Popen(cmd,
|
|
stdout=subprocess.PIPE,
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
)
|
|
self.addCleanup(proc.stdout.close)
|
|
stdout, stderr = proc.communicate(b'quit\n')
|
|
self.assertNotIn(b'SyntaxError', stdout,
|
|
"Got a syntax error running test script under PDB")
|
|
|
|
def test_issue46434(self):
|
|
# Temporarily patch in an extra help command which doesn't have a
|
|
# docstring to emulate what happens in an embeddable distribution
|
|
script = """
|
|
def do_testcmdwithnodocs(self, arg):
|
|
pass
|
|
|
|
import pdb
|
|
pdb.Pdb.do_testcmdwithnodocs = do_testcmdwithnodocs
|
|
"""
|
|
commands = """
|
|
continue
|
|
help testcmdwithnodocs
|
|
"""
|
|
stdout, stderr = self.run_pdb_script(script, commands)
|
|
output = (stdout or '') + (stderr or '')
|
|
self.assertNotIn('AttributeError', output,
|
|
'Calling help on a command with no docs should be handled gracefully')
|
|
self.assertIn("*** No help for 'testcmdwithnodocs'; __doc__ string missing", output,
|
|
'Calling help on a command with no docs should print an error')
|
|
|
|
def test_issue13183(self):
|
|
script = """
|
|
from bar import bar
|
|
|
|
def foo():
|
|
bar()
|
|
|
|
def nope():
|
|
pass
|
|
|
|
def foobar():
|
|
foo()
|
|
nope()
|
|
|
|
foobar()
|
|
"""
|
|
commands = """
|
|
from bar import bar
|
|
break bar
|
|
continue
|
|
step
|
|
step
|
|
quit
|
|
"""
|
|
bar = """
|
|
def bar():
|
|
pass
|
|
"""
|
|
with open('bar.py', 'w') as f:
|
|
f.write(textwrap.dedent(bar))
|
|
self.addCleanup(os_helper.unlink, 'bar.py')
|
|
stdout, stderr = self.run_pdb_script(script, commands)
|
|
self.assertTrue(
|
|
any('main.py(5)foo()->None' in l for l in stdout.splitlines()),
|
|
'Fail to step into the caller after a return')
|
|
|
|
def test_issue13120(self):
|
|
# Invoking "continue" on a non-main thread triggered an exception
|
|
# inside signal.signal.
|
|
|
|
with open(os_helper.TESTFN, 'wb') as f:
|
|
f.write(textwrap.dedent("""
|
|
import threading
|
|
import pdb
|
|
|
|
def start_pdb():
|
|
pdb.Pdb(readrc=False).set_trace()
|
|
x = 1
|
|
y = 1
|
|
|
|
t = threading.Thread(target=start_pdb)
|
|
t.start()""").encode('ascii'))
|
|
cmd = [sys.executable, '-u', os_helper.TESTFN]
|
|
proc = subprocess.Popen(cmd,
|
|
stdout=subprocess.PIPE,
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
env={**os.environ, 'PYTHONIOENCODING': 'utf-8'}
|
|
)
|
|
self.addCleanup(proc.stdout.close)
|
|
stdout, stderr = proc.communicate(b'cont\n')
|
|
self.assertNotIn(b'Error', stdout,
|
|
"Got an error running test script under PDB")
|
|
|
|
def test_issue36250(self):
|
|
|
|
with open(os_helper.TESTFN, 'wb') as f:
|
|
f.write(textwrap.dedent("""
|
|
import threading
|
|
import pdb
|
|
|
|
evt = threading.Event()
|
|
|
|
def start_pdb():
|
|
evt.wait()
|
|
pdb.Pdb(readrc=False).set_trace()
|
|
|
|
t = threading.Thread(target=start_pdb)
|
|
t.start()
|
|
pdb.Pdb(readrc=False).set_trace()
|
|
evt.set()
|
|
t.join()""").encode('ascii'))
|
|
cmd = [sys.executable, '-u', os_helper.TESTFN]
|
|
proc = subprocess.Popen(cmd,
|
|
stdout=subprocess.PIPE,
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
env = {**os.environ, 'PYTHONIOENCODING': 'utf-8'}
|
|
)
|
|
self.addCleanup(proc.stdout.close)
|
|
stdout, stderr = proc.communicate(b'cont\ncont\n')
|
|
self.assertNotIn(b'Error', stdout,
|
|
"Got an error running test script under PDB")
|
|
|
|
def test_issue16180(self):
|
|
# A syntax error in the debuggee.
|
|
script = "def f: pass\n"
|
|
commands = ''
|
|
expected = "SyntaxError:"
|
|
stdout, stderr = self.run_pdb_script(script, commands)
|
|
self.assertIn(expected, stdout,
|
|
'\n\nExpected:\n{}\nGot:\n{}\n'
|
|
'Fail to handle a syntax error in the debuggee.'
|
|
.format(expected, stdout))
|
|
|
|
def test_issue26053(self):
|
|
# run command of pdb prompt echoes the correct args
|
|
script = "print('hello')"
|
|
commands = """
|
|
continue
|
|
run a b c
|
|
run d e f
|
|
quit
|
|
"""
|
|
stdout, stderr = self.run_pdb_script(script, commands)
|
|
res = '\n'.join([x.strip() for x in stdout.splitlines()])
|
|
self.assertRegex(res, "Restarting .* with arguments:\na b c")
|
|
self.assertRegex(res, "Restarting .* with arguments:\nd e f")
|
|
|
|
def test_readrc_kwarg(self):
|
|
script = textwrap.dedent("""
|
|
import pdb; pdb.Pdb(readrc=False).set_trace()
|
|
|
|
print('hello')
|
|
""")
|
|
|
|
save_home = os.environ.pop('HOME', None)
|
|
try:
|
|
with os_helper.temp_cwd():
|
|
with open('.pdbrc', 'w') as f:
|
|
f.write("invalid\n")
|
|
|
|
with open('main.py', 'w') as f:
|
|
f.write(script)
|
|
|
|
cmd = [sys.executable, 'main.py']
|
|
proc = subprocess.Popen(
|
|
cmd,
|
|
stdout=subprocess.PIPE,
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
)
|
|
with proc:
|
|
stdout, stderr = proc.communicate(b'q\n')
|
|
self.assertNotIn(b"NameError: name 'invalid' is not defined",
|
|
stdout)
|
|
|
|
finally:
|
|
if save_home is not None:
|
|
os.environ['HOME'] = save_home
|
|
|
|
def test_readrc_homedir(self):
|
|
save_home = os.environ.pop("HOME", None)
|
|
with os_helper.temp_dir() as temp_dir, patch("os.path.expanduser"):
|
|
rc_path = os.path.join(temp_dir, ".pdbrc")
|
|
os.path.expanduser.return_value = rc_path
|
|
try:
|
|
with open(rc_path, "w") as f:
|
|
f.write("invalid")
|
|
self.assertEqual(pdb.Pdb().rcLines[0], "invalid")
|
|
finally:
|
|
if save_home is not None:
|
|
os.environ["HOME"] = save_home
|
|
|
|
def test_header(self):
|
|
stdout = StringIO()
|
|
header = 'Nobody expects... blah, blah, blah'
|
|
with ExitStack() as resources:
|
|
resources.enter_context(patch('sys.stdout', stdout))
|
|
resources.enter_context(patch.object(pdb.Pdb, 'set_trace'))
|
|
pdb.set_trace(header=header)
|
|
self.assertEqual(stdout.getvalue(), header + '\n')
|
|
|
|
def test_run_module(self):
|
|
script = """print("SUCCESS")"""
|
|
commands = """
|
|
continue
|
|
quit
|
|
"""
|
|
stdout, stderr = self.run_pdb_module(script, commands)
|
|
self.assertTrue(any("SUCCESS" in l for l in stdout.splitlines()), stdout)
|
|
|
|
def test_module_is_run_as_main(self):
|
|
script = """
|
|
if __name__ == '__main__':
|
|
print("SUCCESS")
|
|
"""
|
|
commands = """
|
|
continue
|
|
quit
|
|
"""
|
|
stdout, stderr = self.run_pdb_module(script, commands)
|
|
self.assertTrue(any("SUCCESS" in l for l in stdout.splitlines()), stdout)
|
|
|
|
def test_breakpoint(self):
|
|
script = """
|
|
if __name__ == '__main__':
|
|
pass
|
|
print("SUCCESS")
|
|
pass
|
|
"""
|
|
commands = """
|
|
b 3
|
|
quit
|
|
"""
|
|
stdout, stderr = self.run_pdb_module(script, commands)
|
|
self.assertTrue(any("Breakpoint 1 at" in l for l in stdout.splitlines()), stdout)
|
|
self.assertTrue(all("SUCCESS" not in l for l in stdout.splitlines()), stdout)
|
|
|
|
def test_run_pdb_with_pdb(self):
|
|
commands = """
|
|
c
|
|
quit
|
|
"""
|
|
stdout, stderr = self._run_pdb(["-m", "pdb"], commands)
|
|
self.assertIn(
|
|
pdb._usage,
|
|
stdout.replace('\r', '') # remove \r for windows
|
|
)
|
|
|
|
def test_module_without_a_main(self):
|
|
module_name = 't_main'
|
|
os_helper.rmtree(module_name)
|
|
init_file = module_name + '/__init__.py'
|
|
os.mkdir(module_name)
|
|
with open(init_file, 'w'):
|
|
pass
|
|
self.addCleanup(os_helper.rmtree, module_name)
|
|
stdout, stderr = self._run_pdb(['-m', module_name], "")
|
|
self.assertIn("ImportError: No module named t_main.__main__",
|
|
stdout.splitlines())
|
|
|
|
def test_package_without_a_main(self):
|
|
pkg_name = 't_pkg'
|
|
module_name = 't_main'
|
|
os_helper.rmtree(pkg_name)
|
|
modpath = pkg_name + '/' + module_name
|
|
os.makedirs(modpath)
|
|
with open(modpath + '/__init__.py', 'w'):
|
|
pass
|
|
self.addCleanup(os_helper.rmtree, pkg_name)
|
|
stdout, stderr = self._run_pdb(['-m', modpath.replace('/', '.')], "")
|
|
self.assertIn(
|
|
"'t_pkg.t_main' is a package and cannot be directly executed",
|
|
stdout)
|
|
|
|
def test_blocks_at_first_code_line(self):
|
|
script = """
|
|
#This is a comment, on line 2
|
|
|
|
print("SUCCESS")
|
|
"""
|
|
commands = """
|
|
quit
|
|
"""
|
|
stdout, stderr = self.run_pdb_module(script, commands)
|
|
self.assertTrue(any("__main__.py(4)<module>()"
|
|
in l for l in stdout.splitlines()), stdout)
|
|
|
|
def test_relative_imports(self):
|
|
self.module_name = 't_main'
|
|
os_helper.rmtree(self.module_name)
|
|
main_file = self.module_name + '/__main__.py'
|
|
init_file = self.module_name + '/__init__.py'
|
|
module_file = self.module_name + '/module.py'
|
|
self.addCleanup(os_helper.rmtree, self.module_name)
|
|
os.mkdir(self.module_name)
|
|
with open(init_file, 'w') as f:
|
|
f.write(textwrap.dedent("""
|
|
top_var = "VAR from top"
|
|
"""))
|
|
with open(main_file, 'w') as f:
|
|
f.write(textwrap.dedent("""
|
|
from . import top_var
|
|
from .module import var
|
|
from . import module
|
|
pass # We'll stop here and print the vars
|
|
"""))
|
|
with open(module_file, 'w') as f:
|
|
f.write(textwrap.dedent("""
|
|
var = "VAR from module"
|
|
var2 = "second var"
|
|
"""))
|
|
commands = """
|
|
b 5
|
|
c
|
|
p top_var
|
|
p var
|
|
p module.var2
|
|
quit
|
|
"""
|
|
stdout, _ = self._run_pdb(['-m', self.module_name], commands)
|
|
self.assertTrue(any("VAR from module" in l for l in stdout.splitlines()), stdout)
|
|
self.assertTrue(any("VAR from top" in l for l in stdout.splitlines()))
|
|
self.assertTrue(any("second var" in l for l in stdout.splitlines()))
|
|
|
|
def test_relative_imports_on_plain_module(self):
|
|
# Validates running a plain module. See bpo32691
|
|
self.module_name = 't_main'
|
|
os_helper.rmtree(self.module_name)
|
|
main_file = self.module_name + '/runme.py'
|
|
init_file = self.module_name + '/__init__.py'
|
|
module_file = self.module_name + '/module.py'
|
|
self.addCleanup(os_helper.rmtree, self.module_name)
|
|
os.mkdir(self.module_name)
|
|
with open(init_file, 'w') as f:
|
|
f.write(textwrap.dedent("""
|
|
top_var = "VAR from top"
|
|
"""))
|
|
with open(main_file, 'w') as f:
|
|
f.write(textwrap.dedent("""
|
|
from . import module
|
|
pass # We'll stop here and print the vars
|
|
"""))
|
|
with open(module_file, 'w') as f:
|
|
f.write(textwrap.dedent("""
|
|
var = "VAR from module"
|
|
"""))
|
|
commands = """
|
|
b 3
|
|
c
|
|
p module.var
|
|
quit
|
|
"""
|
|
stdout, _ = self._run_pdb(['-m', self.module_name + '.runme'], commands)
|
|
self.assertTrue(any("VAR from module" in l for l in stdout.splitlines()), stdout)
|
|
|
|
def test_errors_in_command(self):
|
|
commands = "\n".join([
|
|
'print(',
|
|
'debug print(',
|
|
'debug doesnotexist',
|
|
'c',
|
|
])
|
|
stdout, _ = self.run_pdb_script('pass', commands + '\n')
|
|
|
|
self.assertEqual(stdout.splitlines()[1:], [
|
|
'-> pass',
|
|
'(Pdb) *** SyntaxError: \'(\' was never closed',
|
|
|
|
'(Pdb) ENTERING RECURSIVE DEBUGGER',
|
|
'*** SyntaxError: \'(\' was never closed',
|
|
'LEAVING RECURSIVE DEBUGGER',
|
|
|
|
'(Pdb) ENTERING RECURSIVE DEBUGGER',
|
|
'> <string>(1)<module>()',
|
|
"((Pdb)) *** NameError: name 'doesnotexist' is not defined",
|
|
'LEAVING RECURSIVE DEBUGGER',
|
|
'(Pdb) ',
|
|
])
|
|
|
|
def test_issue34266(self):
|
|
'''do_run handles exceptions from parsing its arg'''
|
|
def check(bad_arg, msg):
|
|
commands = "\n".join([
|
|
f'run {bad_arg}',
|
|
'q',
|
|
])
|
|
stdout, _ = self.run_pdb_script('pass', commands + '\n')
|
|
self.assertEqual(stdout.splitlines()[1:], [
|
|
'-> pass',
|
|
f'(Pdb) *** Cannot run {bad_arg}: {msg}',
|
|
'(Pdb) ',
|
|
])
|
|
check('\\', 'No escaped character')
|
|
check('"', 'No closing quotation')
|
|
|
|
def test_issue42384(self):
|
|
'''When running `python foo.py` sys.path[0] is an absolute path. `python -m pdb foo.py` should behave the same'''
|
|
script = textwrap.dedent("""
|
|
import sys
|
|
print('sys.path[0] is', sys.path[0])
|
|
""")
|
|
commands = 'c\nq'
|
|
|
|
with os_helper.temp_cwd() as cwd:
|
|
expected = f'(Pdb) sys.path[0] is {os.path.realpath(cwd)}'
|
|
|
|
stdout, stderr = self.run_pdb_script(script, commands)
|
|
|
|
self.assertEqual(stdout.split('\n')[2].rstrip('\r'), expected)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
def test_issue42384_symlink(self):
|
|
'''When running `python foo.py` sys.path[0] resolves symlinks. `python -m pdb foo.py` should behave the same'''
|
|
script = textwrap.dedent("""
|
|
import sys
|
|
print('sys.path[0] is', sys.path[0])
|
|
""")
|
|
commands = 'c\nq'
|
|
|
|
with os_helper.temp_cwd() as cwd:
|
|
cwd = os.path.realpath(cwd)
|
|
dir_one = os.path.join(cwd, 'dir_one')
|
|
dir_two = os.path.join(cwd, 'dir_two')
|
|
expected = f'(Pdb) sys.path[0] is {dir_one}'
|
|
|
|
os.mkdir(dir_one)
|
|
with open(os.path.join(dir_one, 'foo.py'), 'w') as f:
|
|
f.write(script)
|
|
os.mkdir(dir_two)
|
|
os.symlink(os.path.join(dir_one, 'foo.py'), os.path.join(dir_two, 'foo.py'))
|
|
|
|
stdout, stderr = self._run_pdb([os.path.join('dir_two', 'foo.py')], commands)
|
|
|
|
self.assertEqual(stdout.split('\n')[2].rstrip('\r'), expected)
|
|
|
|
def test_issue42383(self):
|
|
with os_helper.temp_cwd() as cwd:
|
|
with open('foo.py', 'w') as f:
|
|
s = textwrap.dedent("""
|
|
print('The correct file was executed')
|
|
|
|
import os
|
|
os.chdir("subdir")
|
|
""")
|
|
f.write(s)
|
|
|
|
subdir = os.path.join(cwd, 'subdir')
|
|
os.mkdir(subdir)
|
|
os.mkdir(os.path.join(subdir, 'subdir'))
|
|
wrong_file = os.path.join(subdir, 'foo.py')
|
|
|
|
with open(wrong_file, 'w') as f:
|
|
f.write('print("The wrong file was executed")')
|
|
|
|
stdout, stderr = self._run_pdb(['foo.py'], 'c\nc\nq')
|
|
expected = '(Pdb) The correct file was executed'
|
|
self.assertEqual(stdout.split('\n')[6].rstrip('\r'), expected)
|
|
|
|
|
|
class ChecklineTests(unittest.TestCase):
|
|
def setUp(self):
|
|
linecache.clearcache() # Pdb.checkline() uses linecache.getline()
|
|
|
|
def tearDown(self):
|
|
os_helper.unlink(os_helper.TESTFN)
|
|
|
|
def test_checkline_before_debugging(self):
|
|
with open(os_helper.TESTFN, "w") as f:
|
|
f.write("print(123)")
|
|
db = pdb.Pdb()
|
|
self.assertEqual(db.checkline(os_helper.TESTFN, 1), 1)
|
|
|
|
def test_checkline_after_reset(self):
|
|
with open(os_helper.TESTFN, "w") as f:
|
|
f.write("print(123)")
|
|
db = pdb.Pdb()
|
|
db.reset()
|
|
self.assertEqual(db.checkline(os_helper.TESTFN, 1), 1)
|
|
|
|
def test_checkline_is_not_executable(self):
|
|
# Test for comments, docstrings and empty lines
|
|
s = textwrap.dedent("""
|
|
# Comment
|
|
\"\"\" docstring \"\"\"
|
|
''' docstring '''
|
|
|
|
""")
|
|
with open(os_helper.TESTFN, "w") as f:
|
|
f.write(s)
|
|
num_lines = len(s.splitlines()) + 2 # Test for EOF
|
|
with redirect_stdout(StringIO()):
|
|
db = pdb.Pdb()
|
|
for lineno in range(num_lines):
|
|
self.assertFalse(db.checkline(os_helper.TESTFN, lineno))
|
|
|
|
|
|
def load_tests(*args):
|
|
from test import test_pdb
|
|
suites = [
|
|
unittest.makeSuite(PdbTestCase),
|
|
unittest.makeSuite(ChecklineTests),
|
|
doctest.DocTestSuite(test_pdb)
|
|
]
|
|
return unittest.TestSuite(suites)
|
|
|
|
|
|
if __name__ == '__main__':
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unittest.main()
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