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Add tests for new Levenshtein alignment

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Matthew Honnibal 2018-02-20 17:32:25 +01:00
parent f46bf2a7e9
commit 8180c84a98
1 changed files with 38 additions and 0 deletions
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spacy/tests/test_align.py Normal file
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import pytest
from .._align import align
@pytest.mark.parametrize('string1,string2,cost', [
(b'hello', b'hell', 1),
(b'rat', b'cat', 1),
(b'rat', b'rat', 0),
(b'rat', b'catsie', 4),
(b't', b'catsie', 5),
])
def test_align_costs(string1, string2, cost):
output_cost, i2j, j2i, matrix = align(string1, string2)
assert output_cost == cost
@pytest.mark.parametrize('string1,string2,i2j', [
(b'hello', b'hell', [0,1,2,3,-1]),
(b'rat', b'cat', [0,1,2]),
(b'rat', b'rat', [0,1,2]),
(b'rat', b'catsie', [0,1,2]),
(b't', b'catsie', [2]),
])
def test_align_i2j(string1, string2, i2j):
output_cost, output_i2j, j2i, matrix = align(string1, string2)
assert list(output_i2j) == i2j
@pytest.mark.parametrize('string1,string2,j2i', [
(b'hello', b'hell', [0,1,2,3]),
(b'rat', b'cat', [0,1,2]),
(b'rat', b'rat', [0,1,2]),
(b'rat', b'catsie', [0,1,2, -1, -1, -1]),
(b't', b'catsie', [-1, -1, 0, -1, -1, -1]),
])
def test_align_i2j(string1, string2, j2i):
output_cost, output_i2j, output_j2i, matrix = align(string1, string2)
assert list(output_j2i) == j2i