def test_multiple_dynamic_registrations(state, dummy_checks):
diagnose_calls = 0
state_dec = state_dec_gen(dummy_checks)
@state_dec
def diagnose1(end_state):
assert end_state.state_history[0] is state
nonlocal diagnose_calls
diagnose_calls += 1
@state_dec
def diagnose2(end_state):
assert end_state.state_history[0] is state
nonlocal diagnose_calls
diagnose_calls += 1
TestEx = ExGen(dummy_checks, state)
TestF = LazyChainStart(dummy_checks)
TestEx.register_chainable_function(diagnose1)
TestEx.register_chainable_function(diagnose2)
TestEx().diagnose1().diagnose2()
TestEx() >> TestF().diagnose1().diagnose2()
TestEx() >> diagnose1().diagnose2()
TestEx() >> diagnose1() >> diagnose2()
assert diagnose_calls == 8
TestEx().diagnose1().noop().diagnose2().noop()
TestEx() >> TestF().diagnose1().noop().diagnose2().noop()
TestEx() >> diagnose1().noop() >> diagnose2().noop()
assert diagnose_calls == 14
TestEx().child_state().diagnose1().diagnose2()
def test_dynamic_registration_named(state, dummy_checks):
diagnose_calls = 0
# this makes diagnose a LazyChain wrapper
@state_dec_gen(dummy_checks)
def diagnose(end_state):
assert end_state.state_history[0] is state
nonlocal diagnose_calls
diagnose_calls += 1
TestEx = ExGen(dummy_checks, state)
TestF = LazyChainStart(dummy_checks)
TestEx.register_chainable_function(diagnose, "test123")
TestEx().test123()
TestEx() >> TestF().test123()
TestEx() >> diagnose()
assert diagnose_calls == 3
with pytest.raises(AttributeError):
# The function is registered with a given name (test123)
TestEx().diagnose()
with pytest.raises(NameError):
TestEx() >> test123()
def test_dynamic_registration(state, dummy_checks):
diagnose_calls = 0
@state_dec_gen(dummy_checks)
def diagnose(end_state):
assert end_state.state_history[0] is state
nonlocal diagnose_calls
diagnose_calls += 1
TestEx = ExGen(dummy_checks, state)
TestF = LazyChainStart(dummy_checks)
TestEx.register_chainable_function(diagnose)
TestEx().diagnose()
TestEx() >> TestF().diagnose()
TestEx() >> diagnose()
assert diagnose_calls == 3
TestEx().diagnose().noop()
TestEx() >> TestF().diagnose().noop()
TestEx() >> diagnose().noop()
assert diagnose_calls == 6
TestEx().child_state().diagnose()
def test_dynamic_registration_raising(state, dummy_checks):
@state_dec_gen(dummy_checks)
def diagnose(_):
raise InstructorError.from_message("problem")
TestEx = ExGen(dummy_checks, state)
TestEx.register_chainable_function(diagnose)
with pytest.raises(InstructorError) as e:
TestEx().diagnose()
# If calls with a state argument in state_dec would be decorated with link_to_state,
# there would be a double link_to_state call when an sct decorated with state_dec
# is registered for chaining
assert len(re.findall("Debug", str(e.value))) == 1
assert len(e.value.state_history) == 2
