def test_subprocess(debug_session, pyfile, start_method, run_as):
@pyfile
def child():
import sys
import backchannel
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
backchannel.write_json(sys.argv)
@pyfile
def parent():
import os
import subprocess
import sys
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
argv = [sys.executable, sys.argv[1], '--arg1', '--arg2', '--arg3']
env = os.environ.copy()
process = subprocess.Popen(argv, env=env, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
process.wait()
debug_session.program_args += [child]
debug_session.initialize(multiprocess=True, target=(run_as, parent), start_method=start_method, use_backchannel=True)
debug_session.start_debugging()
root_start_request, = debug_session.all_occurrences_of(Request('launch') | Request('attach'))
root_process, = debug_session.all_occurrences_of(Event('process'))
root_pid = int(root_process.body['systemProcessId'])
child_subprocess = debug_session.wait_for_next(Event('ptvsd_subprocess'))
assert child_subprocess == Event('ptvsd_subprocess', {
'rootProcessId': root_pid,
'parentProcessId': root_pid,
'processId': ANY.int,
'port': ANY.int,
'rootStartRequest': {
'seq': ANY.int,
'type': 'request',
'command': root_start_request.command,
'arguments': root_start_request.arguments,
}
})
child_pid = child_subprocess.body['processId']
child_port = child_subprocess.body['port']
debug_session.proceed()
child_session = DebugSession(start_method=START_METHOD_CMDLINE, ptvsd_port=child_port, pid=child_pid)
child_session.ignore_unobserved = debug_session.ignore_unobserved
child_session.connect()
child_session.handshake()
child_session.start_debugging()
child_argv = debug_session.read_json()
assert child_argv == [child, '--arg1', '--arg2', '--arg3']
child_session.wait_for_exit()
debug_session.wait_for_exit()
def test_autokill(debug_session, pyfile, start_method, run_as):
@pyfile
def child():
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
while True:
pass
@pyfile
def parent():
import backchannel
import os
import subprocess
import sys
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
argv = [sys.executable, sys.argv[1]]
env = os.environ.copy()
subprocess.Popen(argv, env=env, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
backchannel.read_json()
debug_session.program_args += [child]
debug_session.initialize(multiprocess=True, target=(run_as, parent), start_method=start_method, use_backchannel=True)
debug_session.start_debugging()
child_subprocess = debug_session.wait_for_next(Event('ptvsd_subprocess'))
child_pid = child_subprocess.body['processId']
child_port = child_subprocess.body['port']
debug_session.proceed()
child_session = DebugSession(start_method=START_METHOD_CMDLINE, ptvsd_port=child_port, pid=child_pid)
child_session.expected_returncode = ANY
child_session.connect()
child_session.handshake()
child_session.start_debugging()
if debug_session.start_method == START_METHOD_LAUNCH:
# In launch scenario, terminate the parent process by disconnecting from it.
debug_session.expected_returncode = ANY
disconnect = debug_session.send_request('disconnect', {})
debug_session.wait_for_next(Response(disconnect))
else:
# In attach scenario, just let the parent process run to completion.
debug_session.expected_returncode = 0
debug_session.write_json(None)
debug_session.wait_for_exit()
child_session.wait_for_exit()