test_connection_handler_exec() - Code Metrics - Inspection of "Add tests for exec connection handler." - ionelmc/python-manhole - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 81e6f9...f36c2e )

by Ionel Cristian
created 2017-08-30 16:41 UTC
test_connection_handler_exec() B

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from __future__ import print_function

import imp
import os
import platform
import re
import select
import signal
import socket
import sys
import time
from contextlib import closing

import requests
from process_tests import TestProcess
from process_tests import TestSocket
from process_tests import dump_on_error
from process_tests import wait_for_strings
from pytest import mark
from pytest import raises

TIMEOUT = int(os.getenv('MANHOLE_TEST_TIMEOUT', 10))
SOCKET_PATH = '/tmp/manhole-socket'
HELPER = os.path.join(os.path.dirname(__file__), 'helper.py')


def is_module_available(mod):
    try:
        return imp.find_module(mod)
    except ImportError:
        return False


def connect_to_manhole(uds_path):
    sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
    sock.settimeout(0.5)
    for i in range(TIMEOUT):
        try:
            sock.connect(uds_path)
            return sock
        except Exception as exc:
            print('Failed to connect to %s: %s' % (uds_path, exc))
            if i + 1 == TIMEOUT:
                sock.close()
                raise
            time.sleep(1)


def assert_manhole_running(proc, uds_path, oneshot=False, extra=None):
    sock = connect_to_manhole(uds_path)
    with TestSocket(sock) as client:
        with dump_on_error(client.read):
            wait_for_strings(client.read, TIMEOUT, "ProcessID", "ThreadID", ">>>")
            sock.send(b"print('FOOBAR')\n")
            wait_for_strings(client.read, TIMEOUT, "FOOBAR")
            wait_for_strings(proc.read, TIMEOUT, 'UID:%s' % os.getuid())
            if extra:
                extra(client)
    wait_for_strings(proc.read, TIMEOUT, 'Cleaned up.', *[] if oneshot else ['Waiting for new connection'])


def test_log_when_uninstalled():
    import manhole

    raises(manhole.NotInstalled, manhole._LOG, "whatever")


def test_log_fd(capfd):
    with TestProcess(sys.executable, HELPER, 'test_log_fd') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, "]: whatever-1", "]: whatever-2")


def test_log_fh(monkeypatch, capfd):
    with TestProcess(sys.executable, HELPER, 'test_log_fh') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'SUCCESS')


def test_simple():
    with TestProcess(sys.executable, HELPER, 'test_simple') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            for _ in range(20):
                proc.reset()
                assert_manhole_running(proc, uds_path)


@mark.parametrize('variant', ['str', 'func'])
def test_connection_handler_exec(variant):
    with TestProcess(#'strace', '-o/tmp/trace', '-f', '-s1000',
                     sys.executable, HELPER, 'test_connection_handler_exec_' + variant) as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            for _ in range(200):
                proc.reset()
                sock = connect_to_manhole(uds_path)
                wait_for_strings(proc.read, TIMEOUT, 'UID:%s' % os.getuid(), )
                with TestSocket(sock) as client:
                    with dump_on_error(client.read):
                        sock.send(b"print('FOOBAR')\n")
                        wait_for_strings(proc.read, TIMEOUT, 'FOOBAR')



def test_install_once():
    with TestProcess(sys.executable, HELPER, 'test_install_once') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'ALREADY_INSTALLED')


def test_install_twice_not_strict():
    with TestProcess(sys.executable, HELPER, 'test_install_twice_not_strict') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT,
                             'Not patching os.fork and os.forkpty. Oneshot activation is done by signal')
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            assert_manhole_running(proc, uds_path)


@mark.skipif(is_module_available('eventlet'), reason="evenlet can't deal with extra threads at process exit")
def test_daemon_connection():
    with TestProcess(sys.executable, HELPER, 'test_daemon_connection') as proc:

        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')

            def terminate_and_read(client):
                proc.proc.send_signal(signal.SIGINT)
                wait_for_strings(proc.read, TIMEOUT, 'Died with KeyboardInterrupt', 'DIED.')
                for _ in range(5):
                    client.sock.send(b'bogus()\n')
                    time.sleep(0.05)
                    print(repr(client.sock.recv(1024)))

            raises((socket.error, OSError), assert_manhole_running, proc, uds_path, extra=terminate_and_read)
            wait_for_strings(proc.read, TIMEOUT, 'In atexit handler')


@mark.skipif(is_module_available('eventlet'), reason="evenlet can't deal with extra threads at process exit")
def test_non_daemon_connection():
    with TestProcess(sys.executable, HELPER, 'test_simple') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')

            def terminate_and_read(client):
                proc.proc.send_signal(signal.SIGINT)
                wait_for_strings(proc.read, TIMEOUT, 'Died with KeyboardInterrupt')
                client.sock.send(b'bogus()\n')
                wait_for_strings(client.read, TIMEOUT, 'bogus')
                client.sock.send(b'doofus()\n')
                wait_for_strings(client.read, TIMEOUT, 'doofus')

            assert_manhole_running(proc, uds_path, extra=terminate_and_read, oneshot=True)
            wait_for_strings(proc.read, TIMEOUT, 'In atexit handler')


def test_locals():
    with TestProcess(sys.executable, HELPER, 'test_locals') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            check_locals(SOCKET_PATH)


def test_locals_after_fork():
    with TestProcess(sys.executable, HELPER, 'test_locals_after_fork') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Fork detected')
            proc.reset()
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            child_uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            check_locals(child_uds_path)


def check_locals(uds_path):
    sock = connect_to_manhole(uds_path)
    with TestSocket(sock) as client:
        with dump_on_error(client.read):
            wait_for_strings(client.read, TIMEOUT, ">>>")
            sock.send(b"from __future__ import print_function\n"
                      b"print(k1, k2)\n")
            wait_for_strings(client.read, TIMEOUT, "v1 v2")


def test_fork_exec():
    with TestProcess(sys.executable, HELPER, 'test_fork_exec') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'SUCCESS')


def test_socket_path():
    with TestProcess(sys.executable, HELPER, 'test_socket_path') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            proc.reset()
            assert_manhole_running(proc, SOCKET_PATH)



def test_socket_path_with_fork():
    with TestProcess(sys.executable, '-u', HELPER, 'test_socket_path_with_fork') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Not patching os.fork and os.forkpty. Using user socket path')
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            sock = connect_to_manhole(SOCKET_PATH)
            with TestSocket(sock) as client:
                with dump_on_error(client.read):
                    wait_for_strings(client.read, TIMEOUT, "ProcessID", "ThreadID", ">>>")
                    sock.send(b"print('BEFORE FORK')\n")
                    wait_for_strings(client.read, TIMEOUT, "BEFORE FORK")
                    time.sleep(2)
                    sock.send(b"print('AFTER FORK')\n")
                    wait_for_strings(client.read, TIMEOUT, "AFTER FORK")


def test_redirect_stderr_default():
    with TestProcess(sys.executable, HELPER, 'test_redirect_stderr_default') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            sock = connect_to_manhole(SOCKET_PATH)
            with TestSocket(sock) as client:
                with dump_on_error(client.read):
                    wait_for_strings(client.read, 1, ">>>")
                    client.reset()
                    sock.send(b"import sys\n"
                              b"sys.stderr.write('OK')\n")

                    wait_for_strings(client.read, 1, "OK")


def test_redirect_stderr_default_dump_stacktraces():
    with TestProcess(sys.executable, HELPER, 'test_redirect_stderr_default') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            check_dump_stacktraces(SOCKET_PATH)


def test_redirect_stderr_default_print_tracebacks():
    with TestProcess(sys.executable, HELPER, 'test_redirect_stderr_default') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            check_print_tracebacks(SOCKET_PATH)


def test_redirect_stderr_disabled():
    with TestProcess(sys.executable, HELPER, 'test_redirect_stderr_disabled') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            sock = connect_to_manhole(SOCKET_PATH)
            with TestSocket(sock) as client:
                with dump_on_error(client.read):
                    wait_for_strings(client.read, 1, ">>>")
                    client.reset()
                    sock.send(b"import sys\n"
                              b"sys.stderr.write('STDERR')\n"
                              b"sys.stdout.write('STDOUT')\n")
                    wait_for_strings(client.read, 1, "STDOUT")
                    assert 'STDERR' not in client.read()


def test_redirect_stderr_disabled_dump_stacktraces():
    with TestProcess(sys.executable, HELPER, 'test_redirect_stderr_disabled') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            check_dump_stacktraces(SOCKET_PATH)


def test_redirect_stderr_disabled_print_tracebacks():
    with TestProcess(sys.executable, HELPER, 'test_redirect_stderr_disabled') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            check_print_tracebacks(SOCKET_PATH)


def check_dump_stacktraces(uds_path):
    sock = connect_to_manhole(uds_path)
    with TestSocket(sock) as client:
        with dump_on_error(client.read):
            wait_for_strings(client.read, 1, ">>>")
            sock.send(b"dump_stacktraces()\n")
            # Start of dump
            wait_for_strings(client.read, 1, "#########", "ThreadID=", "#########")
            # End of dump
            wait_for_strings(client.read, 1, "#############################################", ">>>")


def check_print_tracebacks(uds_path):
    sock = connect_to_manhole(uds_path)
    with TestSocket(sock) as client:
        with dump_on_error(client.read):
            wait_for_strings(client.read, 1, ">>>")
            sock.send(b"NO_SUCH_NAME\n")
            wait_for_strings(client.read, 1, "NameError:", "name 'NO_SUCH_NAME' is not defined", ">>>")


def test_exit_with_grace():
    with TestProcess(sys.executable, '-u', HELPER, 'test_simple') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')

            sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
            sock.settimeout(0.05)
            sock.connect(uds_path)
            with TestSocket(sock) as client:
                with dump_on_error(client.read):
                    wait_for_strings(client.read, TIMEOUT, "ThreadID", "ProcessID", ">>>")
                    sock.send(b"print('FOOBAR')\n")

                    wait_for_strings(client.read, TIMEOUT, "FOOBAR")

                    wait_for_strings(proc.read, TIMEOUT, 'UID:%s' % os.getuid())
                    sock.shutdown(socket.SHUT_WR)
                    select.select([sock], [], [], 5)
                    sock.recv(1024)
                    try:
                        sock.shutdown(socket.SHUT_RD)
                    except Exception as exc:
                        print("Failed to SHUT_RD: %s" % exc)
                    try:
                        sock.close()
                    except Exception as exc:
                        print("Failed to close socket: %s" % exc)
            wait_for_strings(proc.read, TIMEOUT, 'DONE.', 'Cleaned up.', 'Waiting for new connection')


def test_with_fork():
    with TestProcess(sys.executable, '-u', HELPER, 'test_with_fork') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]

            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            for _ in range(2):
                proc.reset()
                assert_manhole_running(proc, uds_path)

            proc.reset()
            wait_for_strings(proc.read, TIMEOUT, 'Fork detected')
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            new_uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            assert uds_path != new_uds_path

            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            for _ in range(2):
                proc.reset()
                assert_manhole_running(proc, new_uds_path)


@mark.skipif(hasattr(sys, 'pypy_version_info'), reason="pypy doesn't support forkpty")
def test_with_forkpty():
    with TestProcess(sys.executable, '-u', HELPER, 'test_with_forkpty') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            for _ in range(2):
                proc.reset()
                assert_manhole_running(proc, uds_path)

            proc.reset()
            wait_for_strings(proc.read, TIMEOUT, 'Fork detected')
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            new_uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            assert uds_path != new_uds_path

            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            for _ in range(2):
                proc.reset()
                assert_manhole_running(proc, new_uds_path)


def test_auth_fail():
    with TestProcess(sys.executable, '-u', HELPER, 'test_auth_fail') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            with closing(socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)) as sock:
                sock.settimeout(1)
                sock.connect(uds_path)
                try:
                    assert b"" == sock.recv(1024)
                except socket.timeout:
                    pass
                wait_for_strings(
                    proc.read, TIMEOUT,
                    "SuspiciousClient: Can't accept client with PID:-1 UID:-1 GID:-1. It doesn't match the current "
                    "EUID:",
                    'Waiting for new connection'
                )
                proc.proc.send_signal(signal.SIGINT)


@mark.skipif(not is_module_available('signalfd'), reason="signalfd not available")
def test_sigprocmask():
    with TestProcess(sys.executable, '-u', HELPER, 'test_signalfd_weirdness') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            wait_for_strings(proc.read, TIMEOUT, 'signalled=False')
            assert_manhole_running(proc, uds_path)


@mark.skipif(not is_module_available('signalfd'),
             reason="signalfd doesn't play well with gevent/eventlet")
def test_sigprocmask_negative():
    with TestProcess(sys.executable, '-u', HELPER, 'test_signalfd_weirdness_negative') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            wait_for_strings(proc.read, TIMEOUT, 'signalled=True')
            assert_manhole_running(proc, uds_path)


def test_activate_on_usr2():
    with TestProcess(sys.executable, '-u', HELPER, 'test_activate_on_usr2') as proc:
        with dump_on_error(proc.read):

            wait_for_strings(proc.read, TIMEOUT, 'Not patching os.fork and os.forkpty. Activation is done by signal')
            raises(AssertionError, wait_for_strings, proc.read, TIMEOUT, '/tmp/manhole-')
            proc.signal(signal.SIGUSR2)
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            assert_manhole_running(proc, uds_path)


def test_activate_on_with_oneshot_on():
    with TestProcess(sys.executable, '-u', HELPER, 'test_activate_on_with_oneshot_on') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT,
                             "You cannot do activation of the Manhole thread on the same signal that you want to do "
                             "oneshot activation !")


def test_oneshot_on_usr2():
    with TestProcess(sys.executable, '-u', HELPER, 'test_oneshot_on_usr2') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT,
                             'Not patching os.fork and os.forkpty. Oneshot activation is done by signal')
            raises(AssertionError, wait_for_strings, proc.read, TIMEOUT, '/tmp/manhole-')
            proc.signal(signal.SIGUSR2)
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            assert_manhole_running(proc, uds_path, oneshot=True)


def test_oneshot_on_usr2_error():
    with TestProcess(sys.executable, '-u', HELPER, 'test_oneshot_on_usr2') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT,
                             'Not patching os.fork and os.forkpty. Oneshot activation is done by signal')
            raises(AssertionError, wait_for_strings, proc.read, TIMEOUT, '/tmp/manhole-')
            proc.signal(signal.SIGUSR2)
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            assert_manhole_running(proc, uds_path, oneshot=True,
                                   extra=lambda client: client.sock.send(b"raise SystemExit()\n"))

            proc.reset()

            proc.signal(signal.SIGUSR2)
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            assert_manhole_running(proc, uds_path, oneshot=True)


def test_interrupt_on_accept():
    with TestProcess(sys.executable, '-u', HELPER, 'test_interrupt_on_accept') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            only_on_old_python = ['Waiting for new connection'] if sys.version_info < (3, 5) else []
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection', 'Sending signal to manhole thread',

                             *only_on_old_python)
            assert_manhole_running(proc, uds_path)


def test_environ_variable_activation():
    with TestProcess(sys.executable, '-u', HELPER, 'test_environ_variable_activation',
                     env=dict(os.environ, PYTHONMANHOLE="oneshot_on='USR2'")) as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT,
                             'Not patching os.fork and os.forkpty. Oneshot activation is done by signal')
            proc.signal(signal.SIGUSR2)
            wait_for_strings(proc.read, TIMEOUT, '/tmp/manhole-')
            uds_path = re.findall(r"(/tmp/manhole-\d+)", proc.read())[0]
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            assert_manhole_running(proc, uds_path, oneshot=True)


@mark.skipif(not is_module_available('signalfd'), reason="signalfd not available")
def test_sigmask():
    with TestProcess(sys.executable, HELPER, 'test_sigmask') as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'Waiting for new connection')
            sock = connect_to_manhole(SOCKET_PATH)
            with TestSocket(sock) as client:
                with dump_on_error(client.read):
                    wait_for_strings(client.read, 1, ">>>")
                    client.reset()
                    # Python 2.7 returns [10L], Python 3 returns [10]
                    sock.send(b"from __future__ import print_function\n"
                              b"import signalfd\n"
                              b"mask = signalfd.sigprocmask(signalfd.SIG_BLOCK, [])\n"
                              b"print([int(n) for n in mask])\n")
                    wait_for_strings(client.read, 1, '%s' % [int(signal.SIGUSR1)])


def test_stderr_doesnt_deadlock():
    for _ in range(100):
        with TestProcess(sys.executable, HELPER, 'test_stderr_doesnt_deadlock') as proc:
            with dump_on_error(proc.read):
                wait_for_strings(proc.read, TIMEOUT, 'SUCCESS')


@mark.skipif("platform.python_implementation() == 'PyPy'")
def test_uwsgi():
    with TestProcess(
            'uwsgi',
            '--master',
            '--processes', '1',
            '--no-orphans',
            '--log-5xx',
            '--single-interpreter',
            '--shared-socket', ':0',
            '--no-default-app',
            '--manage-script-name',
            '--http', '=0',
            '--mount', '=wsgi:application'
    ) as proc:
        with dump_on_error(proc.read):
            wait_for_strings(proc.read, TIMEOUT, 'uWSGI http bound')
            port = re.findall(r"uWSGI http bound on :(\d+) fd", proc.read())[0]
            assert requests.get('http://127.0.0.1:%s/' % port).text == 'OK'

            wait_for_strings(proc.read, TIMEOUT, 'spawned uWSGI worker 1')
            pid = re.findall(r"spawned uWSGI worker 1 \(pid: (\d+), ", proc.read())[0]

            for _ in range(2):
                with open('/tmp/manhole-pid', 'w') as fh:
                    fh.write(pid)
                assert_manhole_running(proc, '/tmp/manhole-%s' % pid, oneshot=True)

ionelmc / python-manhole

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test_connection_handler_exec() B

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