#  Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from __future__ import print_function

import numpy as np
import unittest
import sys

sys.path.append("..")
from op_test import OpTest, _set_use_system_allocator
import paddle
import paddle.fluid as fluid

paddle.enable_static()


class TestTransposeOp(OpTest):

    def setUp(self):
        self.set_npu()
        self.op_type = "transpose2"
        self.place = paddle.NPUPlace(0)
        self.init_dtype()
        self.init_shape_axis()

        self.inputs = {'X': np.random.random(self.shape).astype(self.dtype)}
        self.attrs = {'axis': self.axis, 'data_format': 'AnyLayout'}
        self.outputs = {'Out': self.inputs['X'].transpose(self.axis)}

    def set_npu(self):
        self.__class__.use_npu = True

    def init_dtype(self):
        self.dtype = np.float32

    def init_shape_axis(self):
        self.shape = (3, 40)
        self.axis = (1, 0)

    def test_check_output(self):
        self.check_output_with_place(self.place)

    def test_check_grad(self):
        self.check_grad_with_place(self.place, ['X'], 'Out')


class TestCase0(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (100, )
        self.axis = (0, )


class TestCase1(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (3, 4, 10)
        self.axis = (0, 2, 1)


class TestCase2(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 3, 4, 5)
        self.axis = (0, 2, 3, 1)


class TestCase3(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 3, 4, 5, 6)
        self.axis = (4, 2, 3, 1, 0)


class TestCase4(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 3, 4, 5, 6, 1)
        self.axis = (4, 2, 3, 1, 0, 5)


class TestCase5(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 16, 96)
        self.axis = (0, 2, 1)


class TestCase6(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 10, 12, 16)
        self.axis = (3, 1, 2, 0)


class TestCase7(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 10, 2, 16)
        self.axis = (0, 1, 3, 2)


class TestCase8(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 3, 2, 3, 2, 4, 3, 3)
        self.axis = (0, 1, 3, 2, 4, 5, 6, 7)


class TestCase9(TestTransposeOp):

    def init_shape_axis(self):
        self.shape = (2, 3, 2, 3, 2, 4, 3, 3)
        self.axis = (6, 1, 3, 5, 0, 2, 4, 7)


class TestTransposeOpFP16(TestTransposeOp):

    def init_dtype(self):
        self.dtype = np.float16

    def test_check_grad(self):
        pass


class TestTransposeOpInt64(TestTransposeOp):

    def init_dtype(self):
        self.dtype = np.int64

    def test_check_grad(self):
        pass


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