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test_env.py
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test_env.py
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import os
import shutil
import subprocess
import sys
from pathlib import Path
from typing import Any
from typing import Union
import pytest
import tomlkit
import xattr
from cleo.io.null_io import NullIO
from poetry.core.semver.version import Version
from poetry.core.toml.file import TOMLFile
from poetry.factory import Factory
from poetry.utils._compat import WINDOWS
from poetry.utils.env import GET_BASE_PREFIX
from poetry.utils.env import EnvCommandError
from poetry.utils.env import EnvManager
from poetry.utils.env import GenericEnv
from poetry.utils.env import NoCompatiblePythonVersionFound
from poetry.utils.env import SystemEnv
from poetry.utils.env import VirtualEnv
MINIMAL_SCRIPT = """\
print("Minimal Output"),
"""
# Script expected to fail.
ERRORING_SCRIPT = """\
import nullpackage
print("nullpackage loaded"),
"""
class MockVirtualEnv(VirtualEnv):
def __init__(self, path, base=None, sys_path=None):
super(MockVirtualEnv, self).__init__(path, base=base)
self._sys_path = sys_path
@property
def sys_path(self):
if self._sys_path is not None:
return self._sys_path
return super(MockVirtualEnv, self).sys_path
@pytest.fixture()
def poetry(config):
poetry = Factory().create_poetry(
Path(__file__).parent.parent / "fixtures" / "simple_project"
)
poetry.set_config(config)
return poetry
@pytest.fixture()
def manager(poetry):
return EnvManager(poetry)
def test_virtualenvs_with_spaces_in_their_path_work_as_expected(tmp_dir, manager):
venv_path = Path(tmp_dir) / "Virtual Env"
manager.build_venv(str(venv_path))
venv = VirtualEnv(venv_path)
assert venv.run("python", "-V", shell=True).startswith("Python")
def test_venv_backup_exclusion(tmp_dir, manager):
venv_path = Path(tmp_dir) / "Virtual Env"
manager.build_venv(str(venv_path))
if sys.platform == "darwin":
assert (
xattr.getxattr(
str(venv_path), "com.apple.metadata:com_apple_backup_excludeItem"
)
== b"bplist00_\x10\x11com.apple.backupd\x08\x00\x00\x00\x00\x00\x00\x01\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1c"
)
def test_env_commands_with_spaces_in_their_arg_work_as_expected(tmp_dir, manager):
venv_path = Path(tmp_dir) / "Virtual Env"
manager.build_venv(str(venv_path))
venv = VirtualEnv(venv_path)
assert venv.run("python", venv.pip, "--version", shell=True).startswith(
"pip {} from ".format(venv.pip_version)
)
def test_env_shell_commands_with_stdinput_in_their_arg_work_as_expected(
tmp_dir, manager
):
venv_path = Path(tmp_dir) / "Virtual Env"
manager.build_venv(str(venv_path))
venv = VirtualEnv(venv_path)
assert venv.run("python", "-", input_=GET_BASE_PREFIX, shell=True).strip() == str(
venv.get_base_prefix()
)
@pytest.fixture
def in_project_venv_dir(poetry):
os.environ.pop("VIRTUAL_ENV", None)
venv_dir = poetry.file.parent.joinpath(".venv")
venv_dir.mkdir()
try:
yield venv_dir
finally:
venv_dir.rmdir()
@pytest.mark.parametrize("in_project", [True, False, None])
def test_env_get_venv_with_venv_folder_present(
manager, poetry, in_project_venv_dir, in_project
):
poetry.config.config["virtualenvs"]["in-project"] = in_project
venv = manager.get()
if in_project is False:
assert venv.path != in_project_venv_dir
else:
assert venv.path == in_project_venv_dir
def build_venv(path: Union[Path, str], **__: Any) -> ():
os.mkdir(str(path))
def check_output_wrapper(version=Version.parse("3.7.1")):
def check_output(cmd, *args, **kwargs):
if "sys.version_info[:3]" in cmd:
return version.text
elif "sys.version_info[:2]" in cmd:
return "{}.{}".format(version.major, version.minor)
else:
return str(Path("/prefix"))
return check_output
def test_activate_activates_non_existing_virtualenv_no_envs_file(
tmp_dir, manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[("/prefix", None), ("/prefix", None)],
)
m = mocker.patch("poetry.utils.env.EnvManager.build_venv", side_effect=build_venv)
env = manager.activate("python3.7", NullIO())
venv_name = EnvManager.generate_env_name("simple-project", str(poetry.file.parent))
m.assert_called_with(
Path(tmp_dir) / "{}-py3.7".format(venv_name),
executable="python3.7",
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
assert envs_file.exists()
envs = envs_file.read()
assert envs[venv_name]["minor"] == "3.7"
assert envs[venv_name]["patch"] == "3.7.1"
assert env.path == Path(tmp_dir) / "{}-py3.7".format(venv_name)
assert env.base == Path("/prefix")
def test_activate_activates_existing_virtualenv_no_envs_file(
tmp_dir, manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
os.mkdir(os.path.join(tmp_dir, "{}-py3.7".format(venv_name)))
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[("/prefix", None)],
)
m = mocker.patch("poetry.utils.env.EnvManager.build_venv", side_effect=build_venv)
env = manager.activate("python3.7", NullIO())
m.assert_not_called()
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
assert envs_file.exists()
envs = envs_file.read()
assert envs[venv_name]["minor"] == "3.7"
assert envs[venv_name]["patch"] == "3.7.1"
assert env.path == Path(tmp_dir) / "{}-py3.7".format(venv_name)
assert env.base == Path("/prefix")
def test_activate_activates_same_virtualenv_with_envs_file(
tmp_dir, manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
doc = tomlkit.document()
doc[venv_name] = {"minor": "3.7", "patch": "3.7.1"}
envs_file.write(doc)
os.mkdir(os.path.join(tmp_dir, "{}-py3.7".format(venv_name)))
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[("/prefix", None)],
)
m = mocker.patch("poetry.utils.env.EnvManager.create_venv")
env = manager.activate("python3.7", NullIO())
m.assert_not_called()
assert envs_file.exists()
envs = envs_file.read()
assert envs[venv_name]["minor"] == "3.7"
assert envs[venv_name]["patch"] == "3.7.1"
assert env.path == Path(tmp_dir) / "{}-py3.7".format(venv_name)
assert env.base == Path("/prefix")
def test_activate_activates_different_virtualenv_with_envs_file(
tmp_dir, manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
doc = tomlkit.document()
doc[venv_name] = {"minor": "3.7", "patch": "3.7.1"}
envs_file.write(doc)
os.mkdir(os.path.join(tmp_dir, "{}-py3.7".format(venv_name)))
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.6.6")),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[("/prefix", None), ("/prefix", None), ("/prefix", None)],
)
m = mocker.patch("poetry.utils.env.EnvManager.build_venv", side_effect=build_venv)
env = manager.activate("python3.6", NullIO())
m.assert_called_with(
Path(tmp_dir) / "{}-py3.6".format(venv_name),
executable="python3.6",
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
assert envs_file.exists()
envs = envs_file.read()
assert envs[venv_name]["minor"] == "3.6"
assert envs[venv_name]["patch"] == "3.6.6"
assert env.path == Path(tmp_dir) / "{}-py3.6".format(venv_name)
assert env.base == Path("/prefix")
def test_activate_activates_recreates_for_different_patch(
tmp_dir, manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
doc = tomlkit.document()
doc[venv_name] = {"minor": "3.7", "patch": "3.7.0"}
envs_file.write(doc)
os.mkdir(os.path.join(tmp_dir, "{}-py3.7".format(venv_name)))
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[
("/prefix", None),
('{"version_info": [3, 7, 0]}', None),
("/prefix", None),
("/prefix", None),
("/prefix", None),
],
)
build_venv_m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=build_venv
)
remove_venv_m = mocker.patch(
"poetry.utils.env.EnvManager.remove_venv", side_effect=EnvManager.remove_venv
)
env = manager.activate("python3.7", NullIO())
build_venv_m.assert_called_with(
Path(tmp_dir) / "{}-py3.7".format(venv_name),
executable="python3.7",
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
remove_venv_m.assert_called_with(Path(tmp_dir) / "{}-py3.7".format(venv_name))
assert envs_file.exists()
envs = envs_file.read()
assert envs[venv_name]["minor"] == "3.7"
assert envs[venv_name]["patch"] == "3.7.1"
assert env.path == Path(tmp_dir) / "{}-py3.7".format(venv_name)
assert env.base == Path("/prefix")
assert (Path(tmp_dir) / "{}-py3.7".format(venv_name)).exists()
def test_activate_does_not_recreate_when_switching_minor(
tmp_dir, manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
doc = tomlkit.document()
doc[venv_name] = {"minor": "3.7", "patch": "3.7.0"}
envs_file.write(doc)
os.mkdir(os.path.join(tmp_dir, "{}-py3.7".format(venv_name)))
os.mkdir(os.path.join(tmp_dir, "{}-py3.6".format(venv_name)))
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.6.6")),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[("/prefix", None), ("/prefix", None), ("/prefix", None)],
)
build_venv_m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=build_venv
)
remove_venv_m = mocker.patch(
"poetry.utils.env.EnvManager.remove_venv", side_effect=EnvManager.remove_venv
)
env = manager.activate("python3.6", NullIO())
build_venv_m.assert_not_called()
remove_venv_m.assert_not_called()
assert envs_file.exists()
envs = envs_file.read()
assert envs[venv_name]["minor"] == "3.6"
assert envs[venv_name]["patch"] == "3.6.6"
assert env.path == Path(tmp_dir) / "{}-py3.6".format(venv_name)
assert env.base == Path("/prefix")
assert (Path(tmp_dir) / "{}-py3.6".format(venv_name)).exists()
def test_deactivate_non_activated_but_existing(
tmp_dir, manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
(
Path(tmp_dir)
/ "{}-py{}".format(venv_name, ".".join(str(c) for c in sys.version_info[:2]))
).mkdir()
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
manager.deactivate(NullIO())
env = manager.get()
assert env.path == Path(tmp_dir) / "{}-py{}".format(
venv_name, ".".join(str(c) for c in sys.version_info[:2])
)
assert Path("/prefix")
def test_deactivate_activated(tmp_dir, manager, poetry, config, mocker):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
version = Version.parse(".".join(str(c) for c in sys.version_info[:3]))
other_version = Version.parse("3.4") if version.major == 2 else version.next_minor()
(
Path(tmp_dir) / "{}-py{}.{}".format(venv_name, version.major, version.minor)
).mkdir()
(
Path(tmp_dir)
/ "{}-py{}.{}".format(venv_name, other_version.major, other_version.minor)
).mkdir()
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
doc = tomlkit.document()
doc[venv_name] = {
"minor": "{}.{}".format(other_version.major, other_version.minor),
"patch": other_version.text,
}
envs_file.write(doc)
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
manager.deactivate(NullIO())
env = manager.get()
assert env.path == Path(tmp_dir) / "{}-py{}.{}".format(
venv_name, version.major, version.minor
)
assert Path("/prefix")
envs = envs_file.read()
assert len(envs) == 0
def test_get_prefers_explicitly_activated_virtualenvs_over_env_var(
tmp_dir, manager, poetry, config, mocker
):
os.environ["VIRTUAL_ENV"] = "/environment/prefix"
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
(Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
doc = tomlkit.document()
doc[venv_name] = {"minor": "3.7", "patch": "3.7.0"}
envs_file.write(doc)
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[("/prefix", None)],
)
env = manager.get()
assert env.path == Path(tmp_dir) / "{}-py3.7".format(venv_name)
assert env.base == Path("/prefix")
def test_list(tmp_dir, manager, poetry, config):
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
(Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
(Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
venvs = manager.list()
assert 2 == len(venvs)
assert (Path(tmp_dir) / "{}-py3.6".format(venv_name)) == venvs[0].path
assert (Path(tmp_dir) / "{}-py3.7".format(venv_name)) == venvs[1].path
def test_remove_by_python_version(tmp_dir, manager, poetry, config, mocker):
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
(Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
(Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.6.6")),
)
venv = manager.remove("3.6")
assert (Path(tmp_dir) / "{}-py3.6".format(venv_name)) == venv.path
assert not (Path(tmp_dir) / "{}-py3.6".format(venv_name)).exists()
def test_remove_by_name(tmp_dir, manager, poetry, config, mocker):
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
(Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
(Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.6.6")),
)
venv = manager.remove("{}-py3.6".format(venv_name))
assert (Path(tmp_dir) / "{}-py3.6".format(venv_name)) == venv.path
assert not (Path(tmp_dir) / "{}-py3.6".format(venv_name)).exists()
def test_remove_also_deactivates(tmp_dir, manager, poetry, config, mocker):
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
(Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
(Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.6.6")),
)
envs_file = TOMLFile(Path(tmp_dir) / "envs.toml")
doc = tomlkit.document()
doc[venv_name] = {"minor": "3.6", "patch": "3.6.6"}
envs_file.write(doc)
venv = manager.remove("python3.6")
assert (Path(tmp_dir) / "{}-py3.6".format(venv_name)) == venv.path
assert not (Path(tmp_dir) / "{}-py3.6".format(venv_name)).exists()
envs = envs_file.read()
assert venv_name not in envs
def test_remove_keeps_dir_if_not_deleteable(tmp_dir, manager, poetry, config, mocker):
# Ensure we empty rather than delete folder if its is an active mount point.
# See https://github.com/python-poetry/poetry/pull/2064
config.merge({"virtualenvs": {"path": str(tmp_dir)}})
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
venv_path = Path(tmp_dir) / "{}-py3.6".format(venv_name)
venv_path.mkdir()
folder1_path = venv_path / "folder1"
folder1_path.mkdir()
file1_path = folder1_path / "file1"
file1_path.touch(exist_ok=False)
file2_path = venv_path / "file2"
file2_path.touch(exist_ok=False)
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.6.6")),
)
original_rmtree = shutil.rmtree
def err_on_rm_venv_only(path, *args, **kwargs):
if path == str(venv_path):
raise OSError(16, "Test error") # ERRNO 16: Device or resource busy
else:
original_rmtree(path)
m = mocker.patch("shutil.rmtree", side_effect=err_on_rm_venv_only)
venv = manager.remove("{}-py3.6".format(venv_name))
m.assert_any_call(str(venv_path))
assert venv_path == venv.path
assert venv_path.exists()
assert not folder1_path.exists()
assert not file1_path.exists()
assert not file2_path.exists()
m.side_effect = original_rmtree # Avoid teardown using `err_on_rm_venv_only`
@pytest.mark.skipif(os.name == "nt", reason="Symlinks are not support for Windows")
def test_env_has_symlinks_on_nix(tmp_dir, tmp_venv):
assert os.path.islink(tmp_venv.python)
def test_run_with_input(tmp_dir, tmp_venv):
result = tmp_venv.run("python", "-", input_=MINIMAL_SCRIPT)
assert result == "Minimal Output" + os.linesep
def test_run_with_input_non_zero_return(tmp_dir, tmp_venv):
with pytest.raises(EnvCommandError) as processError:
# Test command that will return non-zero returncode.
tmp_venv.run("python", "-", input_=ERRORING_SCRIPT)
assert processError.value.e.returncode == 1
def test_run_with_keyboard_interrupt(tmp_dir, tmp_venv, mocker):
mocker.patch("subprocess.run", side_effect=KeyboardInterrupt())
with pytest.raises(KeyboardInterrupt):
tmp_venv.run("python", "-", input_=MINIMAL_SCRIPT)
subprocess.run.assert_called_once()
def test_call_with_input_and_keyboard_interrupt(tmp_dir, tmp_venv, mocker):
mocker.patch("subprocess.run", side_effect=KeyboardInterrupt())
kwargs = {"call": True}
with pytest.raises(KeyboardInterrupt):
tmp_venv.run("python", "-", input_=MINIMAL_SCRIPT, **kwargs)
subprocess.run.assert_called_once()
def test_call_no_input_with_keyboard_interrupt(tmp_dir, tmp_venv, mocker):
mocker.patch("subprocess.call", side_effect=KeyboardInterrupt())
kwargs = {"call": True}
with pytest.raises(KeyboardInterrupt):
tmp_venv.run("python", "-", **kwargs)
subprocess.call.assert_called_once()
def test_run_with_called_process_error(tmp_dir, tmp_venv, mocker):
mocker.patch(
"subprocess.run", side_effect=subprocess.CalledProcessError(42, "some_command")
)
with pytest.raises(EnvCommandError):
tmp_venv.run("python", "-", input_=MINIMAL_SCRIPT)
subprocess.run.assert_called_once()
def test_call_with_input_and_called_process_error(tmp_dir, tmp_venv, mocker):
mocker.patch(
"subprocess.run", side_effect=subprocess.CalledProcessError(42, "some_command")
)
kwargs = {"call": True}
with pytest.raises(EnvCommandError):
tmp_venv.run("python", "-", input_=MINIMAL_SCRIPT, **kwargs)
subprocess.run.assert_called_once()
def test_call_no_input_with_called_process_error(tmp_dir, tmp_venv, mocker):
mocker.patch(
"subprocess.call", side_effect=subprocess.CalledProcessError(42, "some_command")
)
kwargs = {"call": True}
with pytest.raises(EnvCommandError):
tmp_venv.run("python", "-", **kwargs)
subprocess.call.assert_called_once()
def test_create_venv_tries_to_find_a_compatible_python_executable_using_generic_ones_first(
manager, poetry, config, mocker, config_virtualenvs_path
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
poetry.package.python_versions = "^3.6"
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
mocker.patch("sys.version_info", (2, 7, 16))
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.7.5")),
)
m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=lambda *args, **kwargs: ""
)
manager.create_venv(NullIO())
m.assert_called_with(
config_virtualenvs_path / "{}-py3.7".format(venv_name),
executable="python3",
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
def test_create_venv_tries_to_find_a_compatible_python_executable_using_specific_ones(
manager, poetry, config, mocker, config_virtualenvs_path
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
poetry.package.python_versions = "^3.6"
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
mocker.patch("sys.version_info", (2, 7, 16))
mocker.patch("subprocess.check_output", side_effect=["3.5.3", "3.9.0"])
m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=lambda *args, **kwargs: ""
)
manager.create_venv(NullIO())
m.assert_called_with(
config_virtualenvs_path / "{}-py3.9".format(venv_name),
executable="python3.9",
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
def test_create_venv_fails_if_no_compatible_python_version_could_be_found(
manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
poetry.package.python_versions = "^4.8"
mocker.patch("subprocess.check_output", side_effect=["", "", "", ""])
m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=lambda *args, **kwargs: ""
)
with pytest.raises(NoCompatiblePythonVersionFound) as e:
manager.create_venv(NullIO())
expected_message = (
"Poetry was unable to find a compatible version. "
"If you have one, you can explicitly use it "
'via the "env use" command.'
)
assert expected_message == str(e.value)
assert 0 == m.call_count
def test_create_venv_does_not_try_to_find_compatible_versions_with_executable(
manager, poetry, config, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
poetry.package.python_versions = "^4.8"
mocker.patch("subprocess.check_output", side_effect=["3.8.0"])
m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=lambda *args, **kwargs: ""
)
with pytest.raises(NoCompatiblePythonVersionFound) as e:
manager.create_venv(NullIO(), executable="3.8")
expected_message = (
"The specified Python version (3.8.0) is not supported by the project (^4.8).\n"
"Please choose a compatible version or loosen the python constraint "
"specified in the pyproject.toml file."
)
assert expected_message == str(e.value)
assert 0 == m.call_count
def test_create_venv_uses_patch_version_to_detect_compatibility(
manager, poetry, config, mocker, config_virtualenvs_path
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
version = Version.parse(".".join(str(c) for c in sys.version_info[:3]))
poetry.package.python_versions = "^{}".format(
".".join(str(c) for c in sys.version_info[:3])
)
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
mocker.patch("sys.version_info", (version.major, version.minor, version.patch + 1))
check_output = mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(Version.parse("3.6.9")),
)
m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=lambda *args, **kwargs: ""
)
manager.create_venv(NullIO())
assert not check_output.called
m.assert_called_with(
config_virtualenvs_path
/ "{}-py{}.{}".format(venv_name, version.major, version.minor),
executable=None,
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
def test_create_venv_uses_patch_version_to_detect_compatibility_with_executable(
manager, poetry, config, mocker, config_virtualenvs_path
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
version = Version.parse(".".join(str(c) for c in sys.version_info[:3]))
poetry.package.python_versions = "~{}".format(
".".join(str(c) for c in (version.major, version.minor - 1, 0))
)
venv_name = manager.generate_env_name("simple-project", str(poetry.file.parent))
check_output = mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(
Version.parse("{}.{}.0".format(version.major, version.minor - 1))
),
)
m = mocker.patch(
"poetry.utils.env.EnvManager.build_venv", side_effect=lambda *args, **kwargs: ""
)
manager.create_venv(
NullIO(), executable="python{}.{}".format(version.major, version.minor - 1)
)
assert check_output.called
m.assert_called_with(
config_virtualenvs_path
/ "{}-py{}.{}".format(venv_name, version.major, version.minor - 1),
executable="python{}.{}".format(version.major, version.minor - 1),
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
def test_activate_with_in_project_setting_does_not_fail_if_no_venvs_dir(
manager, poetry, config, tmp_dir, mocker
):
if "VIRTUAL_ENV" in os.environ:
del os.environ["VIRTUAL_ENV"]
config.merge(
{
"virtualenvs": {
"path": str(Path(tmp_dir) / "virtualenvs"),
"in-project": True,
}
}
)
mocker.patch(
"subprocess.check_output",
side_effect=check_output_wrapper(),
)
mocker.patch(
"subprocess.Popen.communicate",
side_effect=[("/prefix", None), ("/prefix", None)],
)
m = mocker.patch("poetry.utils.env.EnvManager.build_venv")
manager.activate("python3.7", NullIO())
m.assert_called_with(
poetry.file.parent / ".venv",
executable="python3.7",
flags={"always-copy": False, "system-site-packages": False},
with_pip=True,
with_setuptools=True,
with_wheel=True,
)
envs_file = TOMLFile(Path(tmp_dir) / "virtualenvs" / "envs.toml")
assert not envs_file.exists()
def test_system_env_has_correct_paths():
env = SystemEnv(Path(sys.prefix))
paths = env.paths
assert paths.get("purelib") is not None
assert paths.get("platlib") is not None
assert paths.get("scripts") is not None
assert env.site_packages.path == Path(paths["purelib"])
@pytest.mark.parametrize(
("enabled",),
[(True,), (False,)],
)
def test_system_env_usersite(mocker, enabled):
mocker.patch("site.check_enableusersite", return_value=enabled)
env = SystemEnv(Path(sys.prefix))
assert (enabled and env.usersite is not None) or (
not enabled and env.usersite is None
)
def test_venv_has_correct_paths(tmp_venv):
paths = tmp_venv.paths
assert paths.get("purelib") is not None
assert paths.get("platlib") is not None
assert paths.get("scripts") is not None
assert tmp_venv.site_packages.path == Path(paths["purelib"])
def test_env_system_packages(tmp_path, config):
venv_path = tmp_path / "venv"
pyvenv_cfg = venv_path / "pyvenv.cfg"
EnvManager(config).build_venv(path=venv_path, flags={"system-site-packages": True})
if sys.version_info >= (3, 3):
assert "include-system-site-packages = true" in pyvenv_cfg.read_text()
elif (2, 6) < sys.version_info < (3, 0):
assert not venv_path.joinpath(
"lib", "python2.7", "no-global-site-packages.txt"
).exists()
def test_env_finds_the_correct_executables(tmp_dir, manager):
venv_path = Path(tmp_dir) / "Virtual Env"
manager.build_venv(str(venv_path), with_pip=True)
venv = VirtualEnv(venv_path)
default_executable = expected_executable = "python" + (".exe" if WINDOWS else "")
default_pip_executable = expected_pip_executable = "pip" + (
".exe" if WINDOWS else ""
)
major_executable = "python{}{}".format(
sys.version_info[0], ".exe" if WINDOWS else ""
)
major_pip_executable = "pip{}{}".format(
sys.version_info[0], ".exe" if WINDOWS else ""
)