49 lines
1.1 KiB
Python
49 lines
1.1 KiB
Python
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"""
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Test Aline algorithm for aligning phonetic sequences
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"""
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from nltk.metrics import aline
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def test_aline():
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result = aline.align("θin", "tenwis")
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expected = [[("θ", "t"), ("i", "e"), ("n", "n")]]
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assert result == expected
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result = aline.align("jo", "ʒə")
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expected = [[("j", "ʒ"), ("o", "ə")]]
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assert result == expected
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result = aline.align("pematesiweni", "pematesewen")
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expected = [
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[
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("p", "p"),
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("e", "e"),
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("m", "m"),
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("a", "a"),
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("t", "t"),
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("e", "e"),
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("s", "s"),
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("i", "e"),
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("w", "w"),
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("e", "e"),
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("n", "n"),
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]
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]
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assert result == expected
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result = aline.align("tuwθ", "dentis")
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expected = [[("t", "t"), ("u", "i"), ("w", "-"), ("θ", "s")]]
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assert result == expected
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def test_aline_delta():
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"""
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Test aline for computing the difference between two segments
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"""
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assert aline.delta("p", "q") == 20.0
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assert aline.delta("a", "A") == 0.0
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