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from collections import namedtuple
import pytest
from briefcase.console import Console
from briefcase.integrations.subprocess import get_process_id_by_command
Process = namedtuple("Process", "info")
process_list_one_proc = [
Process(
info=dict(cmdline=["/bin/cmd.sh", "--input", "data"], create_time=20, pid=100)
)
]
process_list_two_procs_diff_cmd = [
Process(
info=dict(
cmdline=["/bin/first_cmd.sh", "--input", "data"], create_time=20, pid=100
)
),
Process(
info=dict(
cmdline=["/bin/second_cmd.sh", "--input", "data"], create_time=10, pid=200
)
),
]
process_list_two_procs_same_cmd = [
Process(
info=dict(cmdline=["/bin/cmd.sh", "--input", "data"], create_time=20, pid=100)
),
Process(
info=dict(cmdline=["/bin/cmd.sh", "--input", "data"], create_time=10, pid=200)
),
]
@pytest.mark.parametrize(
("process_list", "command_list", "expected_pid", "expected_stdout"),
[
([], ["/bin/cmd.sh", "--input", "data"], None, ""),
(process_list_one_proc, ["/bin/cmd.sh", "--input", "data"], 100, ""),
(process_list_one_proc, ["/bin/random_cmd.sh", "--input", "data"], None, ""),
(
process_list_two_procs_diff_cmd,
["/bin/first_cmd.sh", "--input", "data"],
100,
"",
),
(
process_list_two_procs_diff_cmd,
["/bin/random_cmd.sh", "--input", "data"],
None,
"",
),
(
process_list_two_procs_same_cmd,
["/bin/cmd.sh", "--input", "data"],
100,
"Multiple running instances of app found. "
"Using most recently created app process 100.\n",
),
(
process_list_two_procs_same_cmd,
["/bin/random_cmd.sh", "--input", "data"],
None,
"",
),
],
)
def test_get_process_id_by_command_w_command_line(
process_list,
command_list,
expected_pid,
expected_stdout,
monkeypatch,
capsys,
):
"""Finds correct process for command line or returns None."""
monkeypatch.setattr("psutil.process_iter", lambda attrs: process_list)
found_pid = get_process_id_by_command(command_list=command_list, console=Console())
assert found_pid == expected_pid
assert capsys.readouterr().out == expected_stdout
@pytest.mark.parametrize(
("process_list", "command", "expected_pid", "expected_stdout"),
[
([], "/bin/cmd.sh", None, ""),
(process_list_one_proc, "/bin/cmd", 100, ""),
(process_list_one_proc, "/bin/cmd.sh --input data", None, ""),
(process_list_one_proc, "/bin/cmd.sh", 100, ""),
(process_list_one_proc, "/bin/random_cmd.sh", None, ""),
(process_list_two_procs_diff_cmd, "/bin/first_cmd.sh", 100, ""),
(process_list_two_procs_diff_cmd, "/bin/random_cmd.sh", None, ""),
(
process_list_two_procs_same_cmd,
"/bin/cmd.sh",
100,
"Multiple running instances of app found. "
"Using most recently created app process 100.\n",
),
(process_list_two_procs_same_cmd, "/bin/random_cmd.sh", None, ""),
],
)
def test_get_process_id_by_command_w_command(
process_list,
command,
expected_pid,
expected_stdout,
monkeypatch,
capsys,
):
"""Finds correct process for command or returns None."""
monkeypatch.setattr("psutil.process_iter", lambda attrs: process_list)
found_pid = get_process_id_by_command(command=command, console=Console())
assert found_pid == expected_pid
assert capsys.readouterr().out == expected_stdout
def test_get_process_id_no_logging(monkeypatch, capsys):
"""If no logger is provided, warnings about ambiguous matches aren't printed."""
monkeypatch.setattr(
"psutil.process_iter",
lambda attrs: process_list_two_procs_same_cmd,
)
found_pid = get_process_id_by_command(
command_list=["/bin/cmd.sh", "--input", "data"]
)
assert found_pid == 100
assert capsys.readouterr().out == ""
|
