def test_addresses_are_cut_to_match_arity():
"""Test that even if a list of addresses longer than the node arity is
provided, Node.addresses only returns the initial <arity> addresses,
ignoring the inactive genes.
"""
idx = 0
addresses = [1, 2, 3, 4]
node = cgp.ConstantFloat(idx, addresses)
assert node.addresses == []
node = cgp.node_input_output.OutputNode(idx, addresses)
assert node.addresses == addresses[:1]
node = cgp.Add(idx, addresses)
assert node.addresses == addresses[:2]
def test_inputs_are_cut_to_match_arity():
"""Test that even if a list of inputs longer than the node arity is
provided, Node.inputs only returns the initial <arity> inputs,
ignoring the inactive genes.
"""
idx = 0
inputs = [1, 2, 3, 4]
node = cgp.ConstantFloat(idx, inputs)
assert node.inputs == []
node = cgp.node.OutputNode(idx, inputs)
assert node.inputs == inputs[:1]
node = cgp.Add(idx, inputs)
assert node.inputs == inputs[:2]
def test_repr():
idx = 0
addresses = [1, 2, 3, 4]
# Test example of OperatorNode with arity 0
node = cgp.ConstantFloat(idx, addresses)
node_repr = str(node)
assert node_repr == "ConstantFloat(idx: 0, active: False, arity: 0, addresses of inputs []"
# Test OutputNode
node = cgp.node_input_output.OutputNode(idx, addresses)
node_repr = str(node)
assert node_repr == "OutputNode(idx: 0, active: False, arity: 1, addresses of inputs [1]"
# Test example of OperatorNode with arity 2
node = cgp.Add(idx, addresses)
node_repr = str(node)
assert node_repr == "Add(idx: 0, active: False, arity: 2, addresses of inputs [1, 2]"
def test_init_with_instance_raises():
with pytest.raises(TypeError):
Primitives((cgp.Add(0, []), ))