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from __future__ import absolute_import, unicode_literals
import sys
from uuid import uuid4
import pytest
from virtualenv.discovery.py_info import PythonInfo
from virtualenv.run import cli_run
@pytest.mark.slow
def test_failed_to_find_bad_spec():
of_id = uuid4().hex
with pytest.raises(RuntimeError) as context:
cli_run(["-p", of_id])
msg = repr(RuntimeError("failed to find interpreter for Builtin discover of python_spec={!r}".format(of_id)))
assert repr(context.value) == msg
SYSTEM = PythonInfo.current_system()
@pytest.mark.parametrize(
"of_id",
({sys.executable} if sys.executable != SYSTEM.executable else set()) | {SYSTEM.implementation},
)
def test_failed_to_find_implementation(of_id, mocker):
mocker.patch("virtualenv.run.plugin.creators.CreatorSelector._OPTIONS", return_value={})
with pytest.raises(RuntimeError) as context:
cli_run(["-p", of_id])
assert repr(context.value) == repr(
RuntimeError("No virtualenv implementation for {}".format(PythonInfo.current_system())),
)
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