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90 lines
3.2 KiB
Python
90 lines
3.2 KiB
Python
# Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import pytest
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from nemo.collections.asr.inference.utils.itn_utils import (
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fallback_to_trivial_alignment,
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find_tokens,
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get_semiotic_class,
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get_trivial_alignment,
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split_text,
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)
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class TestItnUtils:
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@pytest.mark.unit
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@pytest.mark.parametrize(
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"text, expected_words, expected_n",
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[
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("hello world how are you", ["hello", "world", "how", "are", "you"], 5),
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("hello", ["hello"], 1),
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("a hello world b ccc d e", ["a", "hello", "world", "b", "ccc", "d", "e"], 7),
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(" a hello world b ccc d e", ["a", "hello", "world", "b", "ccc", "d", "e"], 7),
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("a hello world b ccc d e ", ["a", "hello", "world", "b", "ccc", "d", "e"], 7),
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(" a hello world b ccc d e ", ["a", "hello", "world", "b", "ccc", "d", "e"], 7),
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(" a hello world b ccc d e ", ["a", "hello", "world", "b", "ccc", "d", "e"], 7),
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],
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)
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def test_split_text(self, text, expected_words, expected_n):
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words, n = split_text(text)
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assert words == expected_words
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assert n == expected_n
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@pytest.mark.unit
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def test_get_semiotic_class(self):
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tokens = [{"tokens": {"name": "hello"}}]
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semiotic_class = get_semiotic_class(tokens)
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assert semiotic_class == "name"
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@pytest.mark.unit
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def test_find_tokens(self):
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text = "tokens {name: hello} tokens {name: world} tokens {name: how} tokens {name: are} tokens {name: you}"
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tokens = find_tokens(text)
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assert tokens == [
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"tokens {name: hello}",
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"tokens {name: world}",
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"tokens {name: how}",
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"tokens {name: are}",
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"tokens {name: you}",
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]
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@pytest.mark.unit
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def test_get_trivial_alignment(self):
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N = 5
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i_shift = 1
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o_shift = 2
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alignment = get_trivial_alignment(N, i_shift, o_shift)
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assert alignment == [
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([1], [2], "name"),
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([2], [3], "name"),
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([3], [4], "name"),
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([4], [5], "name"),
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([5], [6], "name"),
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]
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@pytest.mark.unit
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def test_fallback_to_trivial_alignment(self):
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input_words = ["hello", "world", "how", "are", "you"]
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input_words, output_words, word_alignment = fallback_to_trivial_alignment(input_words)
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assert input_words == ["hello", "world", "how", "are", "you"]
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assert output_words == ["hello", "world", "how", "are", "you"]
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assert word_alignment == [
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([0], [0], "name"),
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([1], [1], "name"),
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([2], [2], "name"),
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([3], [3], "name"),
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([4], [4], "name"),
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]
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