def test_prepare_module_name(capsys):
"""Test that prepare_module_name works as expected."""
# Fail state
with pytest.raises(SystemExit) as e:
prepare_module_name("gromacs-2016.4")
assert e.type == SystemExit
assert e.code == 1
out, err = capsys.readouterr()
assert out == "ERROR We were not able to determine the module name.\n"
# Second fail state
with pytest.raises(SystemExit) as e:
prepare_module_name("whatever", skip_validation=True)
assert e.type == SystemExit
assert e.code == 1
out, err = capsys.readouterr()
assert (
out ==
"ERROR Although you are using the --skip-validation option, you have to "
"provide a valid MD engine name, e.g., gromacs/dummy or namd/dummy.\n")
assert prepare_module_name("gromacs/2016.4")
def test_correct_module_name():
prepare_module_name('gromacs/2016.4')
def test_wrong_module_name():
prepare_module_name('gromacs-2016.4')