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#!/usr/bin/env python
import os
import re
import subprocess
import sys
import unittest
GDB = os.path.normpath(os.path.join(os.path.dirname(__file__), '..', 'gdb.py'))
class TestGdb(unittest.TestCase):
def run_command(self, command):
if isinstance(command, str):
command = command.encode('ascii')
command = command + b'\n'
args = [sys.executable, GDB, '--', sys.executable, '-c', 'pass']
proc = subprocess.Popen(args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = proc.communicate(command)
exitcode = proc.wait()
self.assertEqual(exitcode, 0)
if stdout.startswith(b'(gdb) '):
stdout = stdout[6:]
pos = stdout.rfind(b'(gdb) ')
if pos:
stdout = stdout[:pos]
stdout = stdout.rstrip()
if b'Traceback' in stdout:
self.fail('Traceback in output: %r' % stdout)
return stdout
def check_stdout(self, pattern, stdout):
self.assertTrue(re.search(pattern, stdout, re.MULTILINE),
(pattern, stdout))
def test_proc(self):
stdout = self.run_command('proc')
for pattern in (
b'^Process ID: [0-9]+',
b'^Process state: ',
b'^Process environment: ',
b'^User identifier: [0-9]+',
b'^Group identifier: [0-9]+',
):
self.assertTrue(re.search(pattern, stdout, re.MULTILINE),
(pattern, stdout))
def test_print(self):
stdout = self.run_command('print 1+2')
self.check_stdout(b'^Decimal: 3\n', stdout)
def test_where(self):
stdout = self.run_command('where')
self.check_stdout(b'^CODE:', stdout)
def test_regs(self):
# Just check that the command doesn't raise an exception
self.run_command('regs')
def test_backtrace(self):
# Just check that the command doesn't raise an exception
self.run_command('backtrace')
def test_maps(self):
stdout = self.run_command('maps')
self.check_stdout(b'^MAPS: ', stdout)
def test_dbginfo(self):
stdout = self.run_command('dbginfo')
self.check_stdout(b'^Debugger process ID: [0-9]+', stdout)
self.check_stdout(b'^python-ptrace version [0-9]+\\.[0-9]+', stdout)
self.check_stdout(b'^Website: ', stdout)
if __name__ == "__main__":
unittest.main()
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