Files
openvino/model-optimizer/mo/ops/slice_test.py

150 lines
5.6 KiB
Python

"""
Copyright (C) 2018-2020 Intel Corporation
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.
"""
import unittest
import numpy as np
from generator import generator
from mo.graph.graph import Node
from mo.ops.slice import Slice
from mo.utils.unittest.graph import build_graph
nodes_attributes = {
'data_1': {
'kind': 'data',
'shape': None,
'value': None,
},
'begin': {
'kind': 'data',
'shape': None,
'value': None,
},
'size': {
'kind': 'data',
'shape': None,
'value': None,
},
'starts': {
'kind': 'data',
'shape': None,
'value': None,
},
'ends': {
'kind': 'data',
'shape': None,
'value': None,
},
'slice': {
'op': 'Slice',
'axis': None,
'start': None,
'end': None,
'kind': 'op',
},
'data_2': {
'kind': 'data',
'shape': None,
'value': None,
}
}
@generator
class TestSliceOp(unittest.TestCase):
def test_slice_infer_constant(self):
# Testing constant path case
graph = build_graph(nodes_attributes,
[('data_1', 'slice'),
('begin', 'slice'),
('size', 'slice'),
('slice', 'data_2')],
{'data_1': {'shape': np.array([4]), 'value': np.array([1, 3, 224, 224])},
'slice': {'start': np.array([1]), 'end': np.array([2])},
'size': {'value': np.array([1])},
'begin': {'value': np.array([1])}})
slice_node = Node(graph, 'slice')
Slice.infer(slice_node)
self.assertTrue(np.array_equal(slice_node.out_node().value, np.array([3])))
self.assertTrue(np.array_equal(slice_node.out_node().shape, np.array([1])))
self.assertTrue(np.array_equal(slice_node['slices'], np.array([slice(1, 2, 1)])))
def test_slice_infer_non_constant(self):
# Testing non-constant path case (when value in input is None)
# with multiply params
graph = build_graph(nodes_attributes,
[('data_1', 'slice'),
('begin', 'slice'),
('size', 'slice'),
('slice', 'data_2')],
{'data_1': {'shape': np.array([4, 5, 6])},
'slice': {'start': np.array([1, 2]),
'end': np.array([4, 3])},
'size': {'value': np.array([3, 1])},
'begin': {'value': np.array([1, 2])}})
slice_node = Node(graph, 'slice')
Slice.infer(slice_node)
self.assertTrue(np.array_equal(slice_node.out_node().value, None))
self.assertTrue(np.array_equal(slice_node.out_node().shape, np.array([3, 1, 6])))
self.assertTrue(np.array_equal(slice_node['slices'], np.array([slice(1, 4, 1), slice(2, 3, 1), slice(0, 6, 1)])))
def test_slice_infer_multiply_params(self):
# Test case for TF when size[i] == -1 (that means all
# remaining elements in dimension i are included in the slice)
graph = build_graph(nodes_attributes,
[('data_1', 'slice'),
('begin', 'slice'),
('size', 'slice'),
('slice', 'data_2')],
{'data_1': {'shape': np.array([4, 5, 6])},
'slice': {'start': np.array([1, 2]),
'end': np.array([4, 1])},
'size': {'value': np.array([3, -1])},
'begin': {'value': np.array([1, 2])}})
slice_node = Node(graph, 'slice')
Slice.infer(slice_node)
self.assertTrue(np.array_equal(slice_node.out_node().value, None))
self.assertTrue(np.array_equal(slice_node.out_node().shape, np.array([3, 3, 6])))
self.assertTrue(np.array_equal(slice_node['slices'], np.array([slice(1, 4, 1), slice(2, 5, 1), slice(0, 6, 1)])))
def test_slice_onnx_10_opset_case(self):
# check for negative end value in the case of ONNX 10 opset
input = np.array([[4, 5, 6, 7], [2, 3, 5, 6], [5, 6, 8, 9], [5, 6, 8, 9]])
starts = np.array([0, 1])
ends = np.array([3, -2])
expected_values = np.array([[5], [3], [6]])
graph = build_graph(nodes_attributes,
[('data_1', 'slice'),
('starts', 'slice'),
('ends', 'slice'),
('slice', 'data_2')],
{'data_1': {'value': input, 'shape': input.shape},
'starts': {'value': starts, 'shape': starts.shape},
'ends': {'value': ends, 'shape': ends.shape},
'slice': {'format': 'onnx'}})
slice_node = Node(graph, 'slice')
Slice.infer(slice_node)
self.assertTrue(np.array_equal(slice_node.out_node().value, expected_values))