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from b_asic.core_operations import Addition, Constant
from b_asic.signal import Signal
import pytest
@pytest.fixture
def operation():
return Constant(2)
def create_operation(_type, dest_oper, index, **kwargs):
oper = _type(**kwargs)
oper_signal = Signal()
oper._output_ports[0].add_signal(oper_signal)
dest_oper._input_ports[index].add_signal(oper_signal)
return oper
@pytest.fixture
def operation_tree():
"""Return a addition operation connected with 2 constants.
---C---+
---A
---C---+
"""
add_oper = Addition()
create_operation(Constant, add_oper, 0, value=2)
create_operation(Constant, add_oper, 1, value=3)
return add_oper
@pytest.fixture
def large_operation_tree():
"""Return a constant operation connected with a large operation tree with 3 other constants and 3 additions.
---C---+
---A---+
---C---+ |
+---A
---C---+ |
---A---+
---C---+
"""
add_oper = Addition()
add_oper_2 = Addition()
const_oper = create_operation(Constant, add_oper, 0, value=2)
create_operation(Constant, add_oper, 1, value=3)
create_operation(Constant, add_oper_2, 0, value=4)
create_operation(Constant, add_oper_2, 1, value=5)
add_oper_3 = Addition()
add_oper_signal = Signal(add_oper.output(0), add_oper_3.output(0))
add_oper._output_ports[0].add_signal(add_oper_signal)
add_oper_3._input_ports[0].add_signal(add_oper_signal)
add_oper_2_signal = Signal(add_oper_2.output(0), add_oper_3.output(0))
add_oper_2._output_ports[0].add_signal(add_oper_2_signal)
add_oper_3._input_ports[1].add_signal(add_oper_2_signal)
return const_oper