def test_blocked_plugin_can_be_used(self,
pytestpm: PytestPluginManager) -> None:
pytestpm.consider_preparse(["xyz", "-p", "no:abc", "-p", "abc"])
assert pytestpm.has_plugin("abc")
assert not pytestpm.is_blocked("abc")
assert not pytestpm.is_blocked("pytest_abc")
def test_plugin_prevent_register(self, pytestpm: PytestPluginManager) -> None:
pytestpm.consider_preparse(["xyz", "-p", "no:abc"])
l1 = pytestpm.get_plugins()
pytestpm.register(42, name="abc")
l2 = pytestpm.get_plugins()
assert len(l2) == len(l1)
assert 42 not in l2
def test_plugin_prevent_register_unregistered_alredy_registered(
self, pytestpm: PytestPluginManager) -> None:
pytestpm.register(42, name="abc")
l1 = pytestpm.get_plugins()
assert 42 in l1
pytestpm.consider_preparse(["xyz", "-p", "no:abc"])
l2 = pytestpm.get_plugins()
assert 42 not in l2
def test_plugin_prevent_register_stepwise_on_cacheprovider_unregister(
self, pytestpm: PytestPluginManager) -> None:
"""From PR #4304: The only way to unregister a module is documented at
the end of https://docs.pytest.org/en/stable/plugins.html.
When unregister cacheprovider, then unregister stepwise too.
"""
pytestpm.register(42, name="cacheprovider")
pytestpm.register(43, name="stepwise")
l1 = pytestpm.get_plugins()
assert 42 in l1
assert 43 in l1
pytestpm.consider_preparse(["xyz", "-p", "no:cacheprovider"])
l2 = pytestpm.get_plugins()
assert 42 not in l2
assert 43 not in l2
def test_preparse_args(self, pytestpm: PytestPluginManager) -> None:
pytest.raises(
ImportError, lambda: pytestpm.consider_preparse(["xyz", "-p", "hello123"])
)
# Handles -p without space (#3532).
with pytest.raises(ImportError) as excinfo:
pytestpm.consider_preparse(["-phello123"])
assert '"hello123"' in excinfo.value.args[0]
pytestpm.consider_preparse(["-pno:hello123"])
# Handles -p without following arg (when used without argparse).
pytestpm.consider_preparse(["-p"])
with pytest.raises(UsageError, match="^plugin main cannot be disabled$"):
pytestpm.consider_preparse(["-p", "no:main"])
