def test_hack_home_env_passthrough(tmpdir, monkeypatch):
from tox.venv import hack_home_env
env = hack_home_env(tmpdir, "http://index")
monkeypatch.setattr(os, "environ", env)
tmpdir = tmpdir.mkdir("tmpdir2")
env2 = hack_home_env(tmpdir)
assert env2["HOME"] == str(tmpdir)
assert env2["PIP_INDEX_URL"] == "http://index"
assert "index_url = http://index" in \
tmpdir.join(".pydistutils.cfg").read()
def test_hack_home_env(tmpdir):
from tox.venv import hack_home_env
env = hack_home_env(tmpdir, "http://index")
assert env["HOME"] == str(tmpdir)
assert env["PIP_INDEX_URL"] == "http://index"
assert "index_url = http://index" in \
tmpdir.join(".pydistutils.cfg").read()
tmpdir.remove()
env = hack_home_env(tmpdir, None)
assert env["HOME"] == str(tmpdir)
assert not tmpdir.join(".pydistutils.cfg").check()
assert "PIP_INDEX_URL" not in env
