forked from mindspore-Ecosystem/mindspore
125 lines
3.8 KiB
Python
125 lines
3.8 KiB
Python
# Copyright 2021-2022 Huawei Technologies Co., Ltd
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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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# ==============================================================================
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import numpy as np
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import pytest
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import mindspore
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from mindspore import log as logger
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import mindspore.common.dtype as mstype
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import mindspore.dataset.text as text
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def test_sliding_window():
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"""
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Feature: SlidingWindow op
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Description: Test SlidingWindow op basic usage
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Expectation: Output is equal to the expected output
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"""
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txt = ["Welcome", "to", "Beijing", "!"]
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sliding_window = text.SlidingWindow(width=2)
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txt = sliding_window(txt)
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logger.info("Result: {}".format(txt))
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expected = [['Welcome', 'to'], ['to', 'Beijing'], ['Beijing', '!']]
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np.testing.assert_equal(txt, expected)
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def test_to_number():
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"""
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Feature: ToNumber op
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Description: Test ToNumber op basic usage
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Expectation: Output is equal to the expected output
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"""
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txt = ["123456"]
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to_number = text.ToNumber(mstype.int32)
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txt = to_number(txt)
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logger.info("Result: {}, type: {}".format(txt, type(txt[0])))
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assert txt == 123456
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def test_whitespace_tokenizer():
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"""
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Feature: WhitespaceTokenizer op
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Description: Test WhitespaceTokenizer op basic usage
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Expectation: Output is equal to the expected output
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"""
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txt = "Welcome to Beijing !"
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txt = text.WhitespaceTokenizer()(txt)
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logger.info("Tokenize result: {}".format(txt))
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expected = ['Welcome', 'to', 'Beijing', '!']
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np.testing.assert_equal(txt, expected)
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def test_python_tokenizer():
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"""
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Feature: PythonTokenizer op
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Description: Test PythonTokenizer op basic usage
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Expectation: Output is equal to the expected output
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"""
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# whitespace tokenizer
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def my_tokenizer(line):
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words = line.split()
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if not words:
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return [""]
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return words
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txt1 = np.array("Welcome to Beijing !".encode())
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txt1 = text.PythonTokenizer(my_tokenizer)(txt1)
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logger.info("Tokenize result: {}".format(txt1))
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txt2 = np.array("Welcome to Beijing !")
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txt2 = text.PythonTokenizer(my_tokenizer)(txt2)
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logger.info("Tokenize result: {}".format(txt2))
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expected = ['Welcome', 'to', 'Beijing', '!']
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np.testing.assert_equal(txt1, expected)
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np.testing.assert_equal(txt2, expected)
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def test_raising_error_for_bytes():
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"""
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Feature: Text operations
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Description: Test applying text operations on bytes input
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Expectation: Raise errors that bytes input is not supported
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"""
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txt = b"/x56/x34/x78/x66"
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def process_bytes(operation):
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with pytest.raises(RuntimeError) as e:
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_ = operation(txt)
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assert "type" in str(e.value) and "string" in str(e.value)
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process_bytes(text.BasicTokenizer())
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process_bytes(text.CaseFold())
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process_bytes(text.FilterWikipediaXML())
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process_bytes(text.Ngram([3]))
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process_bytes(text.NormalizeUTF8())
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process_bytes(text.RegexReplace("/x56", "/x78"))
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process_bytes(text.ToNumber(mindspore.dtype.int8))
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process_bytes(text.UnicodeCharTokenizer())
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process_bytes(text.UnicodeScriptTokenizer())
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process_bytes(text.WhitespaceTokenizer())
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if __name__ == '__main__':
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test_sliding_window()
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test_to_number()
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test_whitespace_tokenizer()
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test_python_tokenizer()
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test_raising_error_for_bytes()
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