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import os
import re
import shutil
import sys
from unittest.mock import ANY
import pytest
from pdm.cli.commands.venv import backends
from pdm.cli.commands.venv.utils import get_venv_prefix
@pytest.fixture(params=[True, False])
def with_pip(request):
return request.param
@pytest.fixture()
def fake_create(monkeypatch):
def fake_create(self, location, *args):
location.mkdir(parents=True)
monkeypatch.setattr(backends.VirtualenvBackend, "perform_create", fake_create)
monkeypatch.setattr(backends.VenvBackend, "perform_create", fake_create)
monkeypatch.setattr(backends.CondaBackend, "perform_create", fake_create)
@pytest.mark.usefixtures("fake_create")
def test_venv_create(invoke, project):
project.project_config.pop("python.path", None)
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
venv_path = re.match(
r"Virtualenv (.+) is created successfully", result.output
).group(1)
assert os.path.exists(venv_path)
assert "python.path" not in project.project_config
@pytest.mark.usefixtures("fake_create")
def test_venv_create_in_project(invoke, project):
project.project_config["venv.in_project"] = True
invoke(["venv", "create"], obj=project, strict=True)
invoke(["venv", "create"], obj=project, strict=True)
venv_path = project.root / ".venv"
assert venv_path.exists()
assert len(os.listdir(project.root / "venvs")) == 1
@pytest.mark.usefixtures("fake_create")
def test_venv_list(invoke, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
venv_path = re.match(
r"Virtualenv (.+) is created successfully", result.output
).group(1)
result = invoke(["venv", "list"], obj=project)
assert result.exit_code == 0, result.stderr
assert venv_path in result.output
@pytest.mark.usefixtures("fake_create")
def test_venv_remove(invoke, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
venv_path = re.match(
r"Virtualenv (.+) is created successfully", result.output
).group(1)
key = os.path.basename(venv_path)[len(get_venv_prefix(project)) :]
result = invoke(["venv", "remove", "non-exist"], obj=project)
assert result.exit_code != 0
result = invoke(["venv", "remove", "-y", key], obj=project)
assert result.exit_code == 0, result.stderr
assert not os.path.exists(venv_path)
@pytest.mark.usefixtures("fake_create")
def test_venv_recreate(invoke, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
result = invoke(["venv", "create"], obj=project)
assert result.exit_code != 0
result = invoke(["venv", "create", "-f"], obj=project)
assert result.exit_code == 0, result.stderr
@pytest.mark.usefixtures("venv_backends")
def test_venv_activate(invoke, mocker, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
venv_path = re.match(
r"Virtualenv (.+) is created successfully", result.output
).group(1)
key = os.path.basename(venv_path)[len(get_venv_prefix(project)) :]
mocker.patch("shellingham.detect_shell", return_value=("bash", None))
result = invoke(["venv", "activate", key], obj=project)
assert result.exit_code == 0, result.stderr
backend = project.config["venv.backend"]
if backend == "conda":
assert result.output.startswith("conda activate")
else:
assert result.output.strip("'\"\n").endswith("activate")
assert result.output.startswith("source")
@pytest.mark.usefixtures("venv_backends")
def test_venv_activate_custom_prompt(invoke, mocker, project):
project.project_config["venv.in_project"] = False
creator = mocker.patch("pdm.cli.commands.venv.backends.Backend.create")
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
creator.assert_called_once_with(
None, [], False, False, project.project_config["venv.prompt"], False
)
def test_venv_activate_project_without_python(invoke, project):
project.project_config.pop("python.path", None)
result = invoke(["venv", "activate"], obj=project)
assert result.exit_code != 0
assert "The project doesn't have a saved python.path" in result.stderr
@pytest.mark.usefixtures("fake_create")
def test_venv_activate_error(invoke, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project, strict=True)
result = invoke(["venv", "activate", "foo"], obj=project)
assert result.exit_code != 0
assert "No virtualenv with key" in result.stderr
project.project_config["python.path"] = os.path.abspath("fake/bin/python")
result = invoke(["venv", "activate"], obj=project)
print(project.project_config.get("python.path"))
assert result.exit_code != 0, result.output + result.stderr
assert "Can't activate a non-venv Python" in result.stderr
@pytest.mark.usefixtures("fake_create")
@pytest.mark.parametrize("keep_pypackages", [True, False])
def test_venv_auto_create(invoke, mocker, project, keep_pypackages):
creator = mocker.patch("pdm.cli.commands.venv.backends.Backend.create")
del project.project_config["python.path"]
if keep_pypackages:
project.root.joinpath("__pypackages__").mkdir(exist_ok=True)
else:
shutil.rmtree(project.root / "__pypackages__", ignore_errors=True)
project.project_config["python.use_venv"] = True
invoke(["install"], obj=project)
if keep_pypackages:
creator.assert_not_called()
else:
creator.assert_called_once()
@pytest.mark.usefixtures("fake_create")
def test_venv_purge(invoke, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "purge"], obj=project)
assert result.exit_code == 0, result.stderr
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
venv_path = re.match(
r"Virtualenv (.+) is created successfully", result.output
).group(1)
result = invoke(["venv", "purge"], input="y", obj=project)
assert result.exit_code == 0, result.stderr
assert not os.path.exists(venv_path)
@pytest.mark.usefixtures("fake_create")
def test_venv_purge_force(invoke, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
venv_path = re.match(
r"Virtualenv (.+) is created successfully", result.output
).group(1)
result = invoke(["venv", "purge", "-f"], obj=project)
assert result.exit_code == 0, result.stderr
assert not os.path.exists(venv_path)
user_options = [("none", True), ("0", False), ("all", False)]
@pytest.mark.usefixtures("venv_backends")
@pytest.mark.parametrize("user_choices, is_path_exists", user_options)
def test_venv_purge_interactive(invoke, user_choices, is_path_exists, project):
project.project_config["venv.in_project"] = False
result = invoke(["venv", "create"], obj=project)
assert result.exit_code == 0, result.stderr
venv_path = re.match(
r"Virtualenv (.+) is created successfully", result.output
).group(1)
result = invoke(["venv", "purge", "-i"], input=user_choices, obj=project)
assert result.exit_code == 0, result.stderr
assert os.path.exists(venv_path) == is_path_exists
def test_virtualenv_backend_create(project, mocker, with_pip):
backend = backends.VirtualenvBackend(project, None)
assert backend.ident
mock_call = mocker.patch("subprocess.check_call")
location = backend.create(with_pip=with_pip)
pip_args = [] if with_pip else ["--no-pip", "--no-setuptools", "--no-wheel"]
mock_call.assert_called_once_with(
[
sys.executable,
"-m",
"virtualenv",
str(location),
"-p",
str(backend._resolved_interpreter.executable),
*pip_args,
],
stdout=ANY,
)
def test_venv_backend_create(project, mocker, with_pip):
backend = backends.VenvBackend(project, None)
assert backend.ident
mock_call = mocker.patch("subprocess.check_call")
location = backend.create(with_pip=with_pip)
pip_args = [] if with_pip else ["--without-pip"]
mock_call.assert_called_once_with(
[
str(backend._resolved_interpreter.executable),
"-m",
"venv",
str(location),
*pip_args,
],
stdout=ANY,
)
def test_conda_backend_create(project, mocker, with_pip):
backend = backends.CondaBackend(project, "3.8")
assert backend.ident == "3.8"
mock_call = mocker.patch("subprocess.check_call")
location = backend.create(with_pip=with_pip)
pip_args = ["pip"] if with_pip else []
mock_call.assert_called_once_with(
[
"conda",
"create",
"--yes",
"--prefix",
str(location),
"python=3.8",
*pip_args,
],
stdout=ANY,
)
backend = backends.CondaBackend(project, None)
python_version = f"{sys.version_info.major}.{sys.version_info.minor}"
assert backend.ident.startswith(python_version)
location = backend.create()
mock_call.assert_called_with(
[
"conda",
"create",
"--yes",
"--prefix",
str(location),
f"python={python_version}",
],
stdout=ANY,
)
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