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import sys
from argparse import ArgumentTypeError
from pathlib import Path
from signal import SIGINT
from subprocess import PIPE, Popen
from time import sleep
import pytest
from pytest_mock import MockerFixture
from tox.pytest import MonkeyPatch, ToxProjectCreator
from tox.session.cmd.run.parallel import parse_num_processes
from tox.tox_env.api import ToxEnv
from tox.tox_env.errors import Fail
def test_parse_num_processes_all() -> None:
assert parse_num_processes("all") is None
def test_parse_num_processes_auto() -> None:
auto = parse_num_processes("auto")
assert isinstance(auto, int)
assert auto > 0
def test_parse_num_processes_exact() -> None:
assert parse_num_processes("3") == 3
def test_parse_num_processes_not_number() -> None:
with pytest.raises(ArgumentTypeError, match="value must be a positive number"):
parse_num_processes("3df")
def test_parse_num_processes_minus_one() -> None:
with pytest.raises(ArgumentTypeError, match="value must be positive"):
parse_num_processes("-1")
def test_parallel_general(tox_project: ToxProjectCreator, monkeypatch: MonkeyPatch, mocker: MockerFixture) -> None:
def setup(self: ToxEnv) -> None:
if self.name == "f":
raise Fail("something bad happened")
return prev_setup(self)
prev_setup = ToxEnv._setup_env
mocker.patch.object(ToxEnv, "_setup_env", autospec=True, side_effect=setup)
monkeypatch.setenv("PATH", "")
ini = """
[tox]
no_package=true
skip_missing_interpreters = true
env_list= a, b, c, d, e, f
[testenv]
commands=python -c 'print("run {env_name}")'
depends = !c: c
parallel_show_output = c: true
[testenv:d]
base_python = missing_skip
[testenv:e]
commands=python -c 'import sys; print("run {env_name}"); sys.exit(1)'
"""
project = tox_project({"tox.ini": ini})
outcome = project.run("p", "-p", "all")
outcome.assert_failed()
out = outcome.out
oks, skips, fails = {"a", "b", "c"}, {"d"}, {"e", "f"}
missing = set()
for env in "a", "b", "c", "d", "e", "f":
if env in ("c", "e"):
assert "run c" in out, out
elif env == "f":
assert "f: failed with something bad happened" in out, out
else:
assert f"run {env}" not in out, out
of_type = "OK" if env in oks else ("SKIP" if env in skips else "FAIL")
of_type_icon = "✔" if env in oks else ("⚠" if env in skips else "✖")
env_done = f"{env}: {of_type} {of_type_icon}"
is_missing = env_done not in out
if is_missing:
missing.add(env_done)
env_report = f" {env}: {of_type} {'code 1 ' if env in fails else ''}("
assert env_report in out, out
if not is_missing:
assert out.index(env_done) < out.index(env_report), out
assert len(missing) == 1, out
def test_parallel_run_live_out(tox_project: ToxProjectCreator) -> None:
ini = """
[tox]
no_package=true
env_list= a, b
[testenv]
commands=python -c 'print("run {env_name}")'
"""
project = tox_project({"tox.ini": ini})
outcome = project.run("p", "-p", "2", "--parallel-live")
outcome.assert_success()
assert "python -c" in outcome.out
assert "run a" in outcome.out
assert "run b" in outcome.out
def test_parallel_show_output_with_pkg(tox_project: ToxProjectCreator, demo_pkg_inline: Path) -> None:
ini = "[testenv]\nparallel_show_output=True\ncommands=python -c 'print(\"r {env_name}\")'"
project = tox_project({"tox.ini": ini})
result = project.run("p", "--root", str(demo_pkg_inline))
assert "r py" in result.out
@pytest.mark.skipif(sys.platform == "win32", reason="You need a conhost shell for keyboard interrupt")
def test_keyboard_interrupt(tox_project: ToxProjectCreator, demo_pkg_inline: Path, tmp_path: Path) -> None:
marker = tmp_path / "a"
ini = f"""
[testenv]
package=wheel
commands=python -c 'from time import sleep; from pathlib import Path; \
p = Path("{str(marker)}"); p.write_text(""); sleep(100)'
[testenv:dep]
depends=py
"""
proj = tox_project(
{
"tox.ini": ini,
"pyproject.toml": (demo_pkg_inline / "pyproject.toml").read_text(),
"build.py": (demo_pkg_inline / "build.py").read_text(),
},
)
cmd = ["-c", str(proj.path / "tox.ini"), "p", "-p", "1", "-e", f"py,py{sys.version_info[0]},dep"]
process = Popen([sys.executable, "-m", "tox"] + cmd, stdout=PIPE, stderr=PIPE, universal_newlines=True)
while not marker.exists():
sleep(0.05)
process.send_signal(SIGINT)
out, err = process.communicate()
assert process.returncode != 0
assert "KeyboardInterrupt" in err, err
assert "KeyboardInterrupt - teardown started\n" in out, out
assert "interrupt tox environment: py\n" in out, out
assert "requested interrupt of" in out, out
assert "send signal SIGINT" in out, out
assert "interrupt finished with success" in out, out
assert "interrupt tox environment: .pkg" in out, out
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