import pytest
from cloudinit import subp
from cloudinit.tests.helpers import CiTestCase
class TestDisableSubpUsage:
"""Test that the disable_subp_usage fixture behaves as expected."""
def test_using_subp_raises_assertion_error(self):
with pytest.raises(AssertionError):
subp.subp(["some", "args"])
def test_typeerrors_on_incorrect_usage(self):
with pytest.raises(TypeError):
# We are intentionally passing no value for a parameter, so:
# pylint: disable=no-value-for-parameter
subp.subp()
@pytest.mark.allow_all_subp
def test_subp_usage_can_be_reenabled(self):
subp.subp(['whoami'])
@pytest.mark.allow_subp_for("whoami")
def test_subp_usage_can_be_conditionally_reenabled(self):
# The two parameters test each potential invocation with a single
# argument
with pytest.raises(AssertionError) as excinfo:
subp.subp(["some", "args"])
assert "allowed: whoami" in str(excinfo.value)
subp.subp(['whoami'])
@pytest.mark.allow_subp_for("whoami", "bash")
def test_subp_usage_can_be_conditionally_reenabled_for_multiple_cmds(self):
with pytest.raises(AssertionError) as excinfo:
subp.subp(["some", "args"])
assert "allowed: whoami,bash" in str(excinfo.value)
subp.subp(['bash', '-c', 'true'])
subp.subp(['whoami'])
@pytest.mark.allow_all_subp
@pytest.mark.allow_subp_for("bash")
def test_both_marks_raise_an_error(self):
with pytest.raises(AssertionError, match="marked both"):
subp.subp(["bash"])
class TestDisableSubpUsageInTestSubclass(CiTestCase):
"""Test that disable_subp_usage doesn't impact CiTestCase's subp logic."""
def test_using_subp_raises_exception(self):
with pytest.raises(Exception):
subp.subp(["some", "args"])
def test_typeerrors_on_incorrect_usage(self):
with pytest.raises(TypeError):
subp.subp()
def test_subp_usage_can_be_reenabled(self):
_old_allowed_subp = self.allow_subp
self.allowed_subp = True
try:
subp.subp(['bash', '-c', 'true'])
finally:
self.allowed_subp = _old_allowed_subp