def test_config__unused_arg():
"""Test `config.purge` warns if a func argument configuration isn't used."""
add({sorted: Args(reverse=False, key=None)})
sorted([], reverse=get())
message = "^These configurations were not used:\nsorted#key$"
with pytest.warns(UnusedConfigsWarning, match=message):
purge()
def test_config__export():
"""Test `config` pickle the exported config."""
add({_dec_func: Args(start=1), enumerate: Args(start=1)})
assert hasattr(_dec_func.__wrapped__, _orginal_key)
pickle.dumps(export())
with pytest.warns(UnusedConfigsWarning):
purge()
assert not hasattr(_dec_func.__wrapped__, _orginal_key)
def run_before_test():
enable_fast_trace(True)
yield
# Reset the global state after every test
with warnings.catch_warnings():
warnings.simplefilter("ignore")
purge()
def test_trace():
"""Test `config.trace` can handle a basic case."""
add({_func: Args(a=1)})
with pytest.warns(DiffArgsWarning):
_func()
with warnings.catch_warnings():
warnings.simplefilter("error")
_func(a=get())
purge()
_func()
def test_config():
"""Test `config` operations can handle the basic case."""
config = {enumerate: Args(start=1)}
assert export() == {}
add(config)
result = list(enumerate(range(3), start=get()))
assert result == [(1, 0), (2, 1), (3, 2)]
result = list(enumerate(range(3), **get()))
assert result == [(1, 0), (2, 1), (3, 2)]
assert export() == config
purge()
assert export() == {}
with pytest.raises(KeyError):
enumerate(range(3), start=get())
def test_trace__sys():
"""Test `config.trace` can handle a basic case using sys."""
enable_fast_trace(False)
trace_ = sys.gettrace()
sys.settrace(trace)
add({_func: Args(a=1)})
with pytest.warns(DiffArgsWarning):
_func()
with warnings.catch_warnings():
warnings.simplefilter("error")
_func(a=get())
purge()
_func()
sys.settrace(trace_)
def test_config__unused_func():
"""Test `config.purge` warns if a func configuration isn't used."""
add({enumerate: Args(start=1)})
message = "^These configurations were not used:\nenumerate#start$"
with pytest.warns(UnusedConfigsWarning, match=message):
purge()