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62 lines
1.5 KiB
Python
62 lines
1.5 KiB
Python
import pytest
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from divide_and_conquer.strassen_matrix_multiplication import split_matrix
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def test_4x4_matrix():
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matrix = [
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[4, 3, 2, 4],
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[2, 3, 1, 1],
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[6, 5, 4, 3],
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[8, 4, 1, 6]
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]
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expected = (
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[[4, 3], [2, 3]],
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[[2, 4], [1, 1]],
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[[6, 5], [8, 4]],
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[[4, 3], [1, 6]]
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)
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assert split_matrix(matrix) == expected
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def test_8x8_matrix():
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matrix = [
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[4, 3, 2, 4, 4, 3, 2, 4],
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[2, 3, 1, 1, 2, 3, 1, 1],
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[6, 5, 4, 3, 6, 5, 4, 3],
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[8, 4, 1, 6, 8, 4, 1, 6],
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[4, 3, 2, 4, 4, 3, 2, 4],
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[2, 3, 1, 1, 2, 3, 1, 1],
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[6, 5, 4, 3, 6, 5, 4, 3],
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[8, 4, 1, 6, 8, 4, 1, 6]
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]
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expected = (
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[[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
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[[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
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[[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
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[[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]]
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)
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assert split_matrix(matrix) == expected
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def test_invalid_odd_matrix():
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matrix = [
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[1, 2, 3],
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[4, 5, 6],
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[7, 8, 9]
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]
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with pytest.raises(Exception, match="Odd matrices are not supported!"):
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split_matrix(matrix)
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def test_invalid_non_square_matrix():
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matrix = [
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[1, 2, 3, 4],
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[5, 6, 7, 8],
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[9, 10, 11, 12],
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[13, 14, 15, 16],
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[17, 18, 19, 20]
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]
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with pytest.raises(Exception, match="Odd matrices are not supported!"):
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split_matrix(matrix)
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