From 598359efa5ccffbf65bacb7751b6a31dc2f49508 Mon Sep 17 00:00:00 2001
From: ivanz-thinkpad <Ivan.zakharov.ru@yandex.ru>
Date: Fri, 31 Jan 2025 23:26:54 +0300
Subject: [PATCH] fix test file issues

---
 .../test_strassen_matrix_multiplication.py    | 113 +++++++++---------
 1 file changed, 56 insertions(+), 57 deletions(-)

diff --git a/divide_and_conquer/tests/test_strassen_matrix_multiplication.py b/divide_and_conquer/tests/test_strassen_matrix_multiplication.py
index 1a6073f8d..4e2bf6515 100644
--- a/divide_and_conquer/tests/test_strassen_matrix_multiplication.py
+++ b/divide_and_conquer/tests/test_strassen_matrix_multiplication.py
@@ -1,61 +1,60 @@
-import unittest
-from strassen_matrix_multiplication import split_matrix
+import pytest
+from divide_and_conquer.strassen_matrix_multiplication import split_matrix
 
 
-class TestSplitMatrix(unittest.TestCase):
-
-    def test_4x4_matrix(self):
-        matrix = [
-            [4, 3, 2, 4],
-            [2, 3, 1, 1],
-            [6, 5, 4, 3],
-            [8, 4, 1, 6]
-        ]
-        expected = (
-            [[4, 3], [2, 3]],
-            [[2, 4], [1, 1]],
-            [[6, 5], [8, 4]],
-            [[4, 3], [1, 6]]
-        )
-        self.assertEqual(split_matrix(matrix), expected)
-
-    def test_8x8_matrix(self):
-        matrix = [
-            [4, 3, 2, 4, 4, 3, 2, 4],
-            [2, 3, 1, 1, 2, 3, 1, 1],
-            [6, 5, 4, 3, 6, 5, 4, 3],
-            [8, 4, 1, 6, 8, 4, 1, 6],
-            [4, 3, 2, 4, 4, 3, 2, 4],
-            [2, 3, 1, 1, 2, 3, 1, 1],
-            [6, 5, 4, 3, 6, 5, 4, 3],
-            [8, 4, 1, 6, 8, 4, 1, 6]
-        ]
-        expected = (
-            [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
-            [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
-            [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
-            [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]]
-        )
-        self.assertEqual(split_matrix(matrix), expected)
-
-    def test_invalid_odd_matrix(self):
-        matrix = [
-            [1, 2, 3],
-            [4, 5, 6],
-            [7, 8, 9]
-        ]
-        with self.assertRaises(Exception):
-            split_matrix(matrix)
-
-    def test_invalid_non_square_matrix(self):
-        matrix = [
-            [1, 2, 3, 4],
-            [5, 6, 7, 8],
-            [9, 10, 11, 12]
-        ]
-        with self.assertRaises(Exception):
-            split_matrix(matrix)
+def test_4x4_matrix():
+    matrix = [
+        [4, 3, 2, 4],
+        [2, 3, 1, 1],
+        [6, 5, 4, 3],
+        [8, 4, 1, 6]
+    ]
+    expected = (
+        [[4, 3], [2, 3]],
+        [[2, 4], [1, 1]],
+        [[6, 5], [8, 4]],
+        [[4, 3], [1, 6]]
+    )
+    assert split_matrix(matrix) == expected
 
 
-if __name__ == "__main__":
-    unittest.main()
+def test_8x8_matrix():
+    matrix = [
+        [4, 3, 2, 4, 4, 3, 2, 4],
+        [2, 3, 1, 1, 2, 3, 1, 1],
+        [6, 5, 4, 3, 6, 5, 4, 3],
+        [8, 4, 1, 6, 8, 4, 1, 6],
+        [4, 3, 2, 4, 4, 3, 2, 4],
+        [2, 3, 1, 1, 2, 3, 1, 1],
+        [6, 5, 4, 3, 6, 5, 4, 3],
+        [8, 4, 1, 6, 8, 4, 1, 6]
+    ]
+    expected = (
+        [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
+        [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
+        [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]],
+        [[4, 3, 2, 4], [2, 3, 1, 1], [6, 5, 4, 3], [8, 4, 1, 6]]
+    )
+    assert split_matrix(matrix) == expected
+
+
+def test_invalid_odd_matrix():
+    matrix = [
+        [1, 2, 3],
+        [4, 5, 6],
+        [7, 8, 9]
+    ]
+    with pytest.raises(Exception, match="Odd matrices are not supported!"):
+        split_matrix(matrix)
+
+
+def test_invalid_non_square_matrix():
+    matrix = [
+        [1, 2, 3, 4],
+        [5, 6, 7, 8],
+        [9, 10, 11, 12],
+        [13, 14, 15, 16],
+        [17, 18, 19, 20]
+    ]
+    with pytest.raises(Exception, match="Odd matrices are not supported!"):
+        split_matrix(matrix)