seq2seq_test.py 文件源码

def testRNNDecoder(self):
    with self.test_session() as sess:
      with variable_scope.variable_scope(
          "root", initializer=init_ops.constant_initializer(0.5)):
        inp = [constant_op.constant(0.5, shape=[2, 2])] * 2
        _, enc_state = core_rnn.static_rnn(
            core_rnn_cell_impl.GRUCell(2), inp, dtype=dtypes.float32)
        dec_inp = [constant_op.constant(0.4, shape=[2, 2])] * 3
        cell = core_rnn_cell_impl.OutputProjectionWrapper(
            core_rnn_cell_impl.GRUCell(2), 4)
        dec, mem = seq2seq_lib.rnn_decoder(dec_inp, enc_state, cell)
        sess.run([variables.global_variables_initializer()])
        res = sess.run(dec)
        self.assertEqual(3, len(res))
        self.assertEqual((2, 4), res[0].shape)

        res = sess.run([mem])
        self.assertEqual((2, 2), res[0].shape)