DriverTrac/venv/lib/python3.12/site-packages/onnx/test/numpy_helper_test.py
2025-11-28 09:08:33 +05:30

184 lines
7.3 KiB
Python

# Copyright (c) ONNX Project Contributors
# SPDX-License-Identifier: Apache-2.0
from __future__ import annotations
import unittest
import numpy as np
import parameterized
import onnx
import onnx.reference
from onnx import helper, numpy_helper
class TestNumpyHelper(unittest.TestCase):
def _test_numpy_helper_float_type(self, dtype: np.number) -> None:
a = np.random.rand(13, 37).astype(dtype)
tensor_def = numpy_helper.from_array(a, "test")
self.assertEqual(tensor_def.name, "test")
a_recover = numpy_helper.to_array(tensor_def)
np.testing.assert_equal(a, a_recover)
def _test_numpy_helper_int_type(self, dtype: np.number) -> None:
a = np.random.randint(
np.iinfo(dtype).min, np.iinfo(dtype).max, dtype=dtype, size=(13, 37)
)
tensor_def = numpy_helper.from_array(a, "test")
self.assertEqual(tensor_def.name, "test")
a_recover = numpy_helper.to_array(tensor_def)
np.testing.assert_equal(a, a_recover)
def test_float(self) -> None:
self._test_numpy_helper_float_type(np.float32)
def test_uint8(self) -> None:
self._test_numpy_helper_int_type(np.uint8)
def test_int8(self) -> None:
self._test_numpy_helper_int_type(np.int8)
def test_uint16(self) -> None:
self._test_numpy_helper_int_type(np.uint16)
def test_int16(self) -> None:
self._test_numpy_helper_int_type(np.int16)
def test_int32(self) -> None:
self._test_numpy_helper_int_type(np.int32)
def test_int64(self) -> None:
self._test_numpy_helper_int_type(np.int64)
def test_string(self) -> None:
a = np.array(["Amy", "Billy", "Cindy", "David"]).astype(object)
tensor_def = numpy_helper.from_array(a, "test")
self.assertEqual(tensor_def.name, "test")
a_recover = numpy_helper.to_array(tensor_def)
np.testing.assert_equal(a, a_recover)
def test_bool(self) -> None:
a = np.random.randint(2, size=(13, 37)).astype(bool)
tensor_def = numpy_helper.from_array(a, "test")
self.assertEqual(tensor_def.name, "test")
a_recover = numpy_helper.to_array(tensor_def)
np.testing.assert_equal(a, a_recover)
def test_float16(self) -> None:
self._test_numpy_helper_float_type(np.float32)
def test_complex64(self) -> None:
self._test_numpy_helper_float_type(np.complex64)
def test_complex128(self) -> None:
self._test_numpy_helper_float_type(np.complex128)
def test_from_dict_values_are_np_arrays_of_float(self):
map_proto = numpy_helper.from_dict({0: np.array(0.1), 1: np.array(0.9)})
self.assertIsInstance(map_proto, onnx.MapProto)
self.assertEqual(
numpy_helper.to_array(map_proto.values.tensor_values[0]), np.array(0.1)
)
self.assertEqual(
numpy_helper.to_array(map_proto.values.tensor_values[1]), np.array(0.9)
)
def test_from_dict_values_are_np_arrays_of_int(self):
map_proto = numpy_helper.from_dict({0: np.array(1), 1: np.array(9)})
self.assertIsInstance(map_proto, onnx.MapProto)
self.assertEqual(
numpy_helper.to_array(map_proto.values.tensor_values[0]), np.array(1)
)
self.assertEqual(
numpy_helper.to_array(map_proto.values.tensor_values[1]), np.array(9)
)
def test_from_dict_values_are_np_arrays_of_ints(self):
zero_array = np.array([1, 2])
one_array = np.array([9, 10])
map_proto = numpy_helper.from_dict({0: zero_array, 1: one_array})
self.assertIsInstance(map_proto, onnx.MapProto)
out_tensor = numpy_helper.to_array(map_proto.values.tensor_values[0])
self.assertEqual(out_tensor[0], zero_array[0])
self.assertEqual(out_tensor[1], zero_array[1])
out_tensor = numpy_helper.to_array(map_proto.values.tensor_values[1])
self.assertEqual(out_tensor[0], one_array[0])
self.assertEqual(out_tensor[1], one_array[1])
def test_from_dict_differing_key_types(self):
with self.assertRaises(TypeError):
# Differing key types should raise a TypeError
numpy_helper.from_dict({0: np.array(0.1), 1.1: np.array(0.9)})
def test_from_dict_differing_value_types(self):
with self.assertRaises(TypeError):
# Differing value types should raise a TypeError
numpy_helper.from_dict({0: np.array(1), 1: np.array(0.9)})
def _to_array_from_array(self, value: int, check_dtype: bool = True):
onnx_model = helper.make_model(
helper.make_graph(
[helper.make_node("Cast", ["X"], ["Y"], to=value)],
"test",
[helper.make_tensor_value_info("X", onnx.TensorProto.FLOAT, [4])],
[helper.make_tensor_value_info("Y", value, [4])],
)
)
ref = onnx.reference.ReferenceEvaluator(onnx_model)
start = ref.run(None, {"X": np.array([0, 1, -2, 3], dtype=np.float32)})
tp = numpy_helper.from_array(start[0], name="check")
self.assertEqual(tp.data_type, value)
back = numpy_helper.to_array(tp)
self.assertEqual(start[0].shape, back.shape)
if check_dtype:
self.assertEqual(start[0].dtype, back.dtype)
again = numpy_helper.from_array(back, name="check")
self.assertEqual(tp.data_type, again.data_type)
self.assertEqual(tp.name, again.name)
self.assertEqual(len(tp.raw_data), len(again.raw_data))
self.assertEqual(list(tp.raw_data), list(again.raw_data))
self.assertEqual(tp.raw_data, again.raw_data)
self.assertEqual(tuple(tp.dims), tuple(again.dims))
self.assertEqual(tp.SerializeToString(), again.SerializeToString())
self.assertEqual(tp.data_type, helper.np_dtype_to_tensor_dtype(back.dtype))
@parameterized.parameterized.expand(
[
("FLOAT", onnx.TensorProto.FLOAT),
("UINT8", onnx.TensorProto.UINT8),
("INT8", onnx.TensorProto.INT8),
("UINT16", onnx.TensorProto.UINT16),
("INT16", onnx.TensorProto.INT16),
("INT32", onnx.TensorProto.INT32),
("INT64", onnx.TensorProto.INT64),
("BOOL", onnx.TensorProto.BOOL),
("FLOAT16", onnx.TensorProto.FLOAT16),
("DOUBLE", onnx.TensorProto.DOUBLE),
("UINT32", onnx.TensorProto.UINT32),
("UINT64", onnx.TensorProto.UINT64),
("COMPLEX64", onnx.TensorProto.COMPLEX64),
("COMPLEX128", onnx.TensorProto.COMPLEX128),
("BFLOAT16", onnx.TensorProto.BFLOAT16),
("FLOAT8E4M3FN", onnx.TensorProto.FLOAT8E4M3FN),
("FLOAT8E4M3FNUZ", onnx.TensorProto.FLOAT8E4M3FNUZ),
("FLOAT8E5M2", onnx.TensorProto.FLOAT8E5M2),
("FLOAT8E5M2FNUZ", onnx.TensorProto.FLOAT8E5M2FNUZ),
("FLOAT8E8M0", onnx.TensorProto.FLOAT8E8M0),
("UINT4", onnx.TensorProto.UINT4),
("INT4", onnx.TensorProto.INT4),
("FLOAT4E2M1", onnx.TensorProto.FLOAT4E2M1),
]
)
def test_to_array_from_array(self, _: str, data_type: onnx.TensorProto.DataType):
self._to_array_from_array(data_type)
def test_to_array_from_array_string(self):
self._to_array_from_array(onnx.TensorProto.STRING, False)
if __name__ == "__main__":
unittest.main(verbosity=2)