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test_run.py
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test_run.py
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from __future__ import annotations
import subprocess
import sys
from typing import TYPE_CHECKING
import pytest
from poetry.utils._compat import WINDOWS
if TYPE_CHECKING:
from cleo.testers.application_tester import ApplicationTester
from cleo.testers.command_tester import CommandTester
from pytest_mock import MockerFixture
from poetry.poetry import Poetry
from poetry.utils.env import MockEnv
from poetry.utils.env import VirtualEnv
from tests.types import CommandTesterFactory
from tests.types import FixtureDirGetter
from tests.types import ProjectFactory
@pytest.fixture
def tester(command_tester_factory: CommandTesterFactory) -> CommandTester:
return command_tester_factory("run")
@pytest.fixture(autouse=True)
def patches(mocker: MockerFixture, env: MockEnv) -> None:
mocker.patch("poetry.utils.env.EnvManager.get", return_value=env)
@pytest.fixture
def poetry_with_scripts(
project_factory: ProjectFactory, fixture_dir: FixtureDirGetter
) -> Poetry:
source = fixture_dir("scripts")
return project_factory(
name="scripts",
pyproject_content=(source / "pyproject.toml").read_text(encoding="utf-8"),
source=source,
)
def test_run_passes_all_args(app_tester: ApplicationTester, env: MockEnv) -> None:
app_tester.execute("run python -V")
assert env.executed == [["python", "-V"]]
def test_run_keeps_options_passed_before_command(
app_tester: ApplicationTester, env: MockEnv
) -> None:
app_tester.execute("-V --no-ansi run python", decorated=True)
assert not app_tester.io.is_decorated()
assert app_tester.io.fetch_output() == app_tester.io.remove_format(
app_tester.application.long_version + "\n"
)
assert env.executed == []
def test_run_has_helpful_error_when_command_not_found(
app_tester: ApplicationTester, env: MockEnv, capfd: pytest.CaptureFixture[str]
) -> None:
nonexistent_command = "nonexistent-command"
env._execute = True
app_tester.execute(f"run {nonexistent_command}")
assert env.executed == [[nonexistent_command]]
assert app_tester.status_code == 1
if WINDOWS:
# On Windows we use a shell to run commands which provides its own error
# message when a command is not found that is not captured by the
# ApplicationTester but is captured by pytest, and we can access it via capfd.
# The exact error message depends on the system language. Thus, we check only
# for the name of the command.
assert nonexistent_command in capfd.readouterr().err
else:
assert (
app_tester.io.fetch_error() == f"Command not found: {nonexistent_command}\n"
)
@pytest.mark.skipif(
not WINDOWS,
reason=(
"Poetry only installs CMD script files for console scripts of editable"
" dependencies on Windows"
),
)
def test_run_console_scripts_of_editable_dependencies_on_windows(
tmp_venv: VirtualEnv,
command_tester_factory: CommandTesterFactory,
) -> None:
"""
On Windows, Poetry installs console scripts of editable dependencies by creating
in the environment's `Scripts/` directory both:
A) a Python file named after the console script (no `.py` extension) which
imports and calls the console script using Python code
B) a CMD script file also named after the console script
(with `.cmd` extension) which calls `python.exe` to execute (A)
This configuration enables calling the console script by name from `cmd.exe`
because the `.cmd` file extension appears by default in the PATHEXT environment
variable that `cmd.exe` uses to determine which file should be executed if a
filename without an extension is executed as a command.
This test validates that you can also run such a CMD script file via `poetry run`
just by providing the script's name without the `.cmd` extension.
"""
tester = command_tester_factory("run", environment=tmp_venv)
cmd_script_file = tmp_venv._bin_dir / "quix.cmd"
# `/b` ensures we only exit the script instead of any cmd.exe proc that called it
encoding = "locale" if sys.version_info >= (3, 10) else None
cmd_script_file.write_text("exit /b 123", encoding=encoding)
# We prove that the CMD script executed successfully by verifying the exit code
# matches what we wrote in the script
assert tester.execute("quix") == 123
def test_run_script_exit_code(
poetry_with_scripts: Poetry,
command_tester_factory: CommandTesterFactory,
tmp_venv: VirtualEnv,
mocker: MockerFixture,
) -> None:
mocker.patch(
"os.execvpe",
lambda file, args, env: subprocess.call([file] + args[1:], env=env),
)
install_tester = command_tester_factory(
"install",
poetry=poetry_with_scripts,
environment=tmp_venv,
)
assert install_tester.execute() == 0
tester = command_tester_factory(
"run", poetry=poetry_with_scripts, environment=tmp_venv
)
assert tester.execute("exit-code") == 42
assert tester.execute("return-code") == 42
@pytest.mark.parametrize(
"installed_script", [False, True], ids=["not installed", "installed"]
)
def test_run_script_sys_argv0(
installed_script: bool,
poetry_with_scripts: Poetry,
command_tester_factory: CommandTesterFactory,
tmp_venv: VirtualEnv,
mocker: MockerFixture,
) -> None:
"""
If RunCommand calls an installed script defined in pyproject.toml,
sys.argv[0] must be set to the full path of the script.
"""
mocker.patch("poetry.utils.env.EnvManager.get", return_value=tmp_venv)
mocker.patch(
"os.execvpe",
lambda file, args, env: subprocess.call([file] + args[1:], env=env),
)
install_tester = command_tester_factory(
"install",
poetry=poetry_with_scripts,
environment=tmp_venv,
)
assert install_tester.execute() == 0
if not installed_script:
for path in tmp_venv.script_dirs[0].glob("check-argv0*"):
path.unlink()
tester = command_tester_factory(
"run", poetry=poetry_with_scripts, environment=tmp_venv
)
argv1 = "absolute" if installed_script else "relative"
assert tester.execute(f"check-argv0 {argv1}") == 0
if installed_script:
expected_message = ""
else:
expected_message = """\
Warning: 'check-argv0' is an entry point defined in pyproject.toml, but it's not \
installed as a script. You may get improper `sys.argv[0]`.
The support to run uninstalled scripts will be removed in a future release.
Run `poetry install` to resolve and get rid of this message.
"""
assert tester.io.fetch_error() == expected_message