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67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
from __future__ import unicode_literals
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import pytest
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from .._align import align, multi_align
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@pytest.mark.parametrize('string1,string2,cost', [
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('hello', 'hell', 1),
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('rat', 'cat', 1),
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('rat', 'rat', 0),
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('rat', 'catsie', 4),
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('t', 'catsie', 5),
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])
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def test_align_costs(string1, string2, cost):
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output_cost, i2j, j2i, matrix = align(string1, string2)
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assert output_cost == cost
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@pytest.mark.parametrize('string1,string2,i2j', [
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('hello', 'hell', [0,1,2,3,-1]),
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('rat', 'cat', [0,1,2]),
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('rat', 'rat', [0,1,2]),
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('rat', 'catsie', [0,1,2]),
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('t', 'catsie', [2]),
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])
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def test_align_i2j(string1, string2, i2j):
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output_cost, output_i2j, j2i, matrix = align(string1, string2)
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assert list(output_i2j) == i2j
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@pytest.mark.parametrize('string1,string2,j2i', [
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('hello', 'hell', [0,1,2,3]),
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('rat', 'cat', [0,1,2]),
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('rat', 'rat', [0,1,2]),
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('rat', 'catsie', [0,1,2, -1, -1, -1]),
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('t', 'catsie', [-1, -1, 0, -1, -1, -1]),
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])
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def test_align_i2j(string1, string2, j2i):
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output_cost, output_i2j, output_j2i, matrix = align(string1, string2)
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assert list(output_j2i) == j2i
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def test_align_strings():
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words1 = ['hello', 'this', 'is', 'test!']
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words2 = ['hellothis', 'is', 'test', '!']
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cost, i2j, j2i, matrix = align(words1, words2)
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assert cost == 4
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assert list(i2j) == [-1, -1, 1, -1]
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assert list(j2i) == [-1, 2, -1, -1]
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def test_align_many_to_one():
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words1 = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
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words2 = ['ab', 'bc', 'e', 'fg', 'h']
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cost, i2j, j2i, matrix = align(words1, words2)
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assert list(i2j) == [-1, -1, -1, -1, 2, -1, -1, 4]
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lengths1 = [len(w) for w in words1]
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lengths2 = [len(w) for w in words2]
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i2j_multi, j2i_multi = multi_align(i2j, j2i, lengths1, lengths2)
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assert i2j_multi[0] == 0
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assert i2j_multi[1] == 0
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assert i2j_multi[2] == 1
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assert i2j_multi[3] == 1
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assert i2j_multi[3] == 1
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assert i2j_multi[5] == 3
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assert i2j_multi[6] == 3
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assert j2i_multi[0] == 1
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assert j2i_multi[1] == 3
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