def test_slice_infer(self, inp_value, starts, ends, axes, steps, expected, inp_shape=None):
if inp_value is None:
input_node = shaped_data('data_1', int64_array(inp_shape))
else:
input_node = valued_data('data_1', int64_array(inp_value))
nodes = {
**input_node,
**regular_op_with_empty_data('slice', {'op': 'Slice'}),
**valued_const_with_data('starts', int64_array(starts)),
**valued_const_with_data('ends', int64_array(ends)),
**valued_const_with_data('axes', int64_array(axes)),
**valued_const_with_data('steps', int64_array(steps)),
}
graph = build_graph(nodes,
[('data_1', 'slice'),
*connect('starts', '1:slice'),
*connect('ends', '2:slice'),
*connect('axes', '3:slice'),
*connect('steps', '4:slice'),
*connect('slice', 'slice_d')])
graph.stage = 'middle'
slice_node = Node(graph, 'slice')
Slice.infer(slice_node)
if inp_value is not None:
self.assertTrue(np.array_equal(slice_node.out_node().value, expected))
else:
self.assertTrue(np.array_equal(slice_node.out_node().shape, expected))
def test_slice_infer_negative(self, inp_value, starts, ends, axes, steps, expected, inp_shape=None):
if inp_value is None:
input_node = shaped_data('data_1', int64_array(inp_shape))
else:
input_node = valued_data('data_1', int64_array(inp_value))
def convert_args(val, name=''):
if val is not None:
return valued_const_with_data(name, int64_array(val))
else:
return shaped_const_with_data(name, [0]) #fake shape
starts = convert_args(starts, 'starts')
ends = convert_args(ends, 'ends')
axes = convert_args(axes, 'axes')
steps = convert_args(steps, 'steps')
nodes = { **input_node,
**regular_op_with_empty_data('slice', {'op': 'Slice'}),
**starts, **ends, **axes, **steps }
graph = build_graph(nodes,
[('data_1', 'slice'),
*connect('starts', '1:slice'),
*connect('ends', '2:slice'),
*connect('axes', '3:slice'),
*connect('steps', '4:slice'),
*connect('slice', 'slice_d')])
graph.stage = 'middle'
slice_node = Node(graph, 'slice')
self.assertRaises(Error, Slice.infer, slice_node)