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import unittest |
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import jiwer |
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class TestAlignmentVisualizationWords(unittest.TestCase): |
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def test_insertion(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this is a ****\n" |
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"HYP: this is a test\n" |
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" I\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words("this is a", "this is a test"), show_measures=False |
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) |
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self.assertEqual(alignment, correct_alignment) |
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pass |
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def test_deletion(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this is a test\n" |
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"HYP: this is a ****\n" |
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" D\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words("this is a test", "this is a"), show_measures=False |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_substitution(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this is a test\n" |
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"HYP: this was a test\n" |
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" S \n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words("this is a test", "this was a test"), |
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show_measures=False, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_all_three(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this is a ***** test of skill\n" |
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"HYP: this was a messy test ** *****\n" |
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" S I D D\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words("this is a test of skill", "this was a messy test"), |
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show_measures=False, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_show_measures(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this test will have a high word error rate\n" |
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"HYP: no it will not * **** **** ***** ****\n" |
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" S S S D D D D D\n" |
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"\n" |
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"number of sentences: 1\n" |
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"substitutions=3 deletions=5 insertions=0 hits=1\n" |
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"\n" |
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"mer=88.89%\n" |
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"wil=97.22%\n" |
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"wip=2.78%\n" |
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"wer=88.89%\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words( |
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"this test will have a high word error rate", "no it will not" |
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), |
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show_measures=True, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_empty_hypothesis(self): |
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correct_alignment = "sentence 1\n" "REF: empty\n" "HYP: *****\n" " D\n" |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words("empty", ""), show_measures=False |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_multiple_sentences(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: one\n" |
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"HYP: 1\n" |
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" S\n" |
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"\n" |
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"sentence 2\n" |
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"REF: two\n" |
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"HYP: 2\n" |
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" S\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words(["one", "two"], ["1", "2"]), |
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show_measures=False, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_skip_correct(self): |
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correct_alignment = ( |
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"sentence 2\n" |
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"REF: one\n" |
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"HYP: 1\n" |
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" S\n" |
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"\n" |
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"sentence 3\n" |
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"REF: two\n" |
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"HYP: 2\n" |
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" S\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_words( |
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["perfect", "one", "two", "three"], ["perfect", "1", "2", "three"] |
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), |
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show_measures=False, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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class TestAlignmentVisualizationCharacters(unittest.TestCase): |
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def test_insertion(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this is a*****\n" |
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"HYP: this is a test\n" |
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" IIIII\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_characters("this is a", "this is a test"), show_measures=False |
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) |
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self.assertEqual(alignment, correct_alignment) |
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pass |
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def test_deletion(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this is a test\n" |
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"HYP: this is a*****\n" |
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" DDDDD\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_characters("this is a test", "this is a"), show_measures=False |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_substitution(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this is a test\n" |
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"HYP: this iz a test\n" |
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" S \n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_characters("this is a test", "this iz a test"), |
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show_measures=False, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_all_three(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this *is a tes*t of skill\n" |
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"HYP: this was a messy te*st***\n" |
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" IS S IS SSD SDDD\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_characters( |
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"this is a test of skill", "this was a messy test" |
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), |
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show_measures=False, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_show_measures(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: this test will have a high word error rate\n" |
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"HYP: no** i**t will n*************o***********t*\n" |
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" SSDD SDD SDDDDDDDDDDDDD DDDDDDDDDDD D\n" |
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"\n" |
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"number of sentences: 1\n" |
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"substitutions=4 deletions=29 insertions=0 hits=10\n" |
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"\n" |
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"cer=76.74%\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_characters( |
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"this test will have a high word error rate", "no it will not" |
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), |
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show_measures=True, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_empty_hypothesis(self): |
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correct_alignment = "sentence 1\n" "REF: empty\n" "HYP: *****\n" " DDDDD\n" |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_characters("empty", ""), show_measures=False |
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) |
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self.assertEqual(alignment, correct_alignment) |
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def test_multiple_sentences(self): |
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correct_alignment = ( |
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"sentence 1\n" |
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"REF: one\n" |
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"HYP: 1**\n" |
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" SDD\n" |
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"\n" |
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"sentence 2\n" |
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"REF: two\n" |
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"HYP: 2**\n" |
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" SDD\n" |
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) |
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alignment = jiwer.visualize_alignment( |
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jiwer.process_characters(["one", "two"], ["1", "2"]), |
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show_measures=False, |
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) |
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self.assertEqual(alignment, correct_alignment) |
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