import paddle.v2.fluid.core as core
from paddle.v2.fluid.op import Operator
import unittest


def fc(X, W, Y):
    ret_v = core.Net.create()

    ret_v.append_op(Operator("mul", X="X", Y="W", Out="pre_activation"))
    ret_v.append_op(Operator("sigmoid", X="pre_activation", Y=Y))
    ret_v.complete_add_op(True)
    return ret_v


class TestNet(unittest.TestCase):
    def test_net_all(self):
        net = core.Net.create()
        op1 = Operator("sum", X=["X", "Y"], Out="Out")
        net.append_op(op1)

        net2 = core.Net.create()
        net2.append_op(fc(X="X", W="w", Y="fc.out"))
        net2.complete_add_op(True)
        net.append_op(net2)
        net.complete_add_op(True)

        expected = '''
Op(plain_net), inputs:{all[W, X, Y]}, outputs:{all[Out, fc.out, pre_activation]}.
    Op(sum), inputs:{X[X, Y]}, outputs:{Out[Out]}.
    Op(plain_net), inputs:{all[W, X]}, outputs:{all[fc.out, pre_activation]}.
        Op(plain_net), inputs:{all[W, X]}, outputs:{all[fc.out, pre_activation]}.
            Op(mul), inputs:{X[X], Y[W]}, outputs:{Out[pre_activation]}.
            Op(sigmoid), inputs:{X[pre_activation]}, outputs:{Y[fc.out]}.
'''
        self.assertEqual(expected, "\n" + str(net))


if __name__ == "__main__":
    unittest.main()