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99 lines
4.0 KiB
Python
99 lines
4.0 KiB
Python
# coding=utf-8
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# Copyright 2019 HuggingFace Inc.
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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 unittest
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from run_seq2seq_finetuning import _fit_to_block_size, process_story
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class DataLoaderTest(unittest.TestCase):
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def setUp(self):
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self.block_size = 10
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def test_truncate_source_and_target_too_small(self):
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""" When the sum of the lengths of the source and target sequences is
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smaller than the block size (minus the number of special tokens), skip the example. """
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src_seq = [1, 2, 3, 4]
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tgt_seq = [5, 6]
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self.assertEqual(_fit_to_block_size(src_seq, tgt_seq, self.block_size), None)
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def test_truncate_source_and_target_fit_exactly(self):
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""" When the sum of the lengths of the source and target sequences is
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equal to the block size (minus the number of special tokens), return the
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sequences unchanged. """
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src_seq = [1, 2, 3, 4]
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tgt_seq = [5, 6, 7]
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fitted_src, fitted_tgt = _fit_to_block_size(src_seq, tgt_seq, self.block_size)
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self.assertListEqual(src_seq, fitted_src)
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self.assertListEqual(tgt_seq, fitted_tgt)
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def test_truncate_source_too_big_target_ok(self):
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src_seq = [1, 2, 3, 4, 5, 6]
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tgt_seq = [1, 2]
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fitted_src, fitted_tgt = _fit_to_block_size(src_seq, tgt_seq, self.block_size)
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self.assertListEqual(fitted_src, [1, 2, 3, 4, 5])
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self.assertListEqual(fitted_tgt, fitted_tgt)
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def test_truncate_target_too_big_source_ok(self):
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src_seq = [1, 2, 3, 4]
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tgt_seq = [1, 2, 3, 4]
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fitted_src, fitted_tgt = _fit_to_block_size(src_seq, tgt_seq, self.block_size)
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self.assertListEqual(fitted_src, src_seq)
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self.assertListEqual(fitted_tgt, [1, 2, 3])
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def test_truncate_source_and_target_too_big(self):
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src_seq = [1, 2, 3, 4, 5, 6, 7]
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tgt_seq = [1, 2, 3, 4, 5, 6, 7]
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fitted_src, fitted_tgt = _fit_to_block_size(src_seq, tgt_seq, self.block_size)
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self.assertListEqual(fitted_src, [1, 2, 3, 4, 5])
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self.assertListEqual(fitted_tgt, [1, 2])
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def test_process_story_no_highlights(self):
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""" Processing a story with no highlights should raise an exception.
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"""
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raw_story = """It was the year of Our Lord one thousand seven hundred and
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seventy-five.\n\nSpiritual revelations were conceded to England at that
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favoured period, as at this."""
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with self.assertRaises(IndexError):
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process_story(raw_story)
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def test_process_empty_story(self):
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""" An empty story should also raise and exception.
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"""
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raw_story = ""
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with self.assertRaises(IndexError):
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process_story(raw_story)
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def test_story_with_missing_period(self):
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raw_story = (
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"It was the year of Our Lord one thousand seven hundred and "
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"seventy-five\n\nSpiritual revelations were conceded to England "
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"at that favoured period, as at this.\n@highlight\n\nIt was the best of times"
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)
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story, summary = process_story(raw_story)
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expected_story = (
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"It was the year of Our Lord one thousand seven hundred and "
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"seventy-five. Spiritual revelations were conceded to England at that "
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"favoured period, as at this."
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)
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self.assertEqual(expected_story, story)
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expected_summary = "It was the best of times."
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self.assertEqual(expected_summary, summary)
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if __name__ == "__main__":
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unittest.main()
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