mirror of
https://github.com/NVIDIA-NeMo/DataDesigner
synced 2026-05-24 09:48:29 +00:00
f8c201e085
* update script * update headers * refactor a bit and add test script * update headers * update for edge case * update headers * add step to get file creation date * use git history to get copyright year * generation type is printed with inference parameters * fix unit test
36 lines
1.4 KiB
Python
36 lines
1.4 KiB
Python
# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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import numpy as np
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import pytest
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from data_designer.engine.sampling_gen.utils import check_random_state
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@pytest.mark.parametrize(
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"test_case,input_value,expected_type,expected_seed",
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[
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("none_input", None, "np.random.mtrand._rand", None),
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("np_random_input", np.random, "np.random.mtrand._rand", None),
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("integer_input", 42, "np.random.RandomState", 42),
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("random_state_input", np.random.RandomState(123), "np.random.RandomState", 123),
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],
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)
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def test_check_random_state_scenarios(test_case, input_value, expected_type, expected_seed):
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if test_case == "random_state_input":
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result = check_random_state(input_value)
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assert result is input_value
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else:
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result = check_random_state(input_value)
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if expected_type == "np.random.mtrand._rand":
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assert result is np.random.mtrand._rand
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elif expected_type == "np.random.RandomState":
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assert isinstance(result, np.random.RandomState)
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if expected_seed is not None:
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assert result.get_state()[1][0] == expected_seed
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def test_check_random_state_invalid():
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with pytest.raises(ValueError, match="'invalid' cannot be used to seed a numpy.random.RandomState instance"):
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check_random_state("invalid")
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