def test_default_param_assigned(processor_type):
"""Passing a Param value should have lower priority than the explicitly set Param value"""
processor = processor_type(param_1='giraffe', is_output=False)
ensured = ensure_processor(processor, is_output=True)
assert not ensured.is_output
def test_default_param_omitted(processor_type):
"""Passing a Param value should set its default"""
processor = processor_type(param_1='giraffe')
ensured = ensure_processor(processor, is_output=True)
assert ensured.is_output
def test_function(unbound_function):
"""Passing a function should create a FunctionProcessor"""
ensured = ensure_processor(unbound_function)
assert isinstance(ensured, FunctionProcessor)
def test_invalid():
"""Passing anythin but a callable or Processor should raise a TypeError"""
with pytest.raises(TypeError):
ensure_processor('mummy')
def test_processor(processor_type):
"""Passing an existing Processor should not create a new one."""
processor = processor_type(param_1='giraffe')
ensured = ensure_processor(processor)
assert processor is ensured