xref: /aosp_15_r20/external/armnn/python/pyarmnn/test/test_tensor_shape.py (revision 89c4ff92f2867872bb9e2354d150bf0c8c502810) 
1# Copyright © 2020 Arm Ltd. All rights reserved.
2# SPDX-License-Identifier: MIT
3import pytest
4import pyarmnn as ann
5
6
7def test_tensor_shape_tuple():
8    tensor_shape = ann.TensorShape((1, 2, 3))
9
10    assert 3 == tensor_shape.GetNumDimensions()
11    assert 6 == tensor_shape.GetNumElements()
12
13
14def test_tensor_shape_one():
15    tensor_shape = ann.TensorShape((10,))
16    assert 1 == tensor_shape.GetNumDimensions()
17    assert 10 == tensor_shape.GetNumElements()
18
19
20def test_tensor_shape_empty():
21    with pytest.raises(RuntimeError) as err:
22        ann.TensorShape(())
23
24    assert "Tensor numDimensions must be greater than 0" in str(err.value)
25
26
27def test_tensor_shape_tuple_mess():
28    tensor_shape = ann.TensorShape((1, "2", 3.0))
29
30    assert 3 == tensor_shape.GetNumDimensions()
31    assert 6 == tensor_shape.GetNumElements()
32
33
34def test_tensor_shape_list():
35
36    with pytest.raises(TypeError) as err:
37        ann.TensorShape([1, 2, 3])
38
39    assert "Argument is not a tuple" in str(err.value)
40
41
42def test_tensor_shape_tuple_mess_fail():
43
44    with pytest.raises(TypeError) as err:
45        ann.TensorShape((1, "two", 3.0))
46
47    assert "All elements must be numbers" in str(err.value)
48
49
50def test_tensor_shape_varags():
51    with pytest.raises(TypeError) as err:
52        ann.TensorShape(1, 2, 3)
53
54    assert "__init__() takes 2 positional arguments but 4 were given" in str(err.value)
55
56
57def test_tensor_shape__get_item_out_of_bounds():
58    tensor_shape = ann.TensorShape((1, 2, 3))
59    with pytest.raises(ValueError) as err:
60        for i in range(4):
61            tensor_shape[i]
62
63    assert "Invalid dimension index: 3 (number of dimensions is 3)" in str(err.value)
64
65
66def test_tensor_shape__set_item_out_of_bounds():
67    tensor_shape = ann.TensorShape((1, 2, 3))
68    with pytest.raises(ValueError) as err:
69        for i in range(4):
70            tensor_shape[i] = 1
71
72    assert "Invalid dimension index: 3 (number of dimensions is 3)" in str(err.value)
73
74
75def test_tensor_shape___str__():
76    tensor_shape = ann.TensorShape((1, 2, 3))
77
78    assert str(tensor_shape) == "TensorShape{Shape(1, 2, 3), NumDimensions: 3, NumElements: 6}"
79