From c8b89094e6d83cdf807cb90effc28ad722bda7a7 Mon Sep 17 00:00:00 2001
From: Ayush Rusiya <166496159+ayushrusiya9@users.noreply.github.com>
Date: Tue, 3 Mar 2026 12:06:44 +0530
Subject: [PATCH 1/2] Implement tests for string transformation functions

Add unit tests for min cost string conversion functions.
---
 test_min_cost_string_conversion.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 test_min_cost_string_conversion.py

diff --git a/test_min_cost_string_conversion.py b/test_min_cost_string_conversion.py
new file mode 100644
index 000000000000..86dbc6e944cd
--- /dev/null
+++ b/test_min_cost_string_conversion.py
@@ -0,0 +1,17 @@
+import pytest
+from strings.min_cost_string_conversion import compute_transform_tables, assemble_transformation
+
+def test_empty_strings():
+    costs, ops = compute_transform_tables("", "", 1,1,1,1)
+    assert costs == [[0]]
+    assert assemble_transformation(ops, 0, 0) == []
+
+def test_copy_only():
+    costs, ops = compute_transform_tables("abc", "abc", 1,2,3,3)
+    assert costs[-1][-1] == 3  # cost = sum of copy costs
+    assert assemble_transformation(ops, len(ops)-1, len(ops[0])-1) == ["Ca", "Cb", "Cc"]
+
+def test_insert_only():
+    costs, ops = compute_transform_tables("", "xyz", 1,1,1,1)
+    seq = assemble_transformation(ops, 0, len(ops[0])-1)
+    assert seq == ["Ix", "Iy", "Iz"]

From c06b90b83cb1aa872d0d75b2b54eb77eea5cafe4 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Tue, 3 Mar 2026 06:37:57 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 test_min_cost_string_conversion.py | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/test_min_cost_string_conversion.py b/test_min_cost_string_conversion.py
index 86dbc6e944cd..d7baa8cef104 100644
--- a/test_min_cost_string_conversion.py
+++ b/test_min_cost_string_conversion.py
@@ -1,17 +1,27 @@
 import pytest
-from strings.min_cost_string_conversion import compute_transform_tables, assemble_transformation
+from strings.min_cost_string_conversion import (
+    compute_transform_tables,
+    assemble_transformation,
+)
+
 
 def test_empty_strings():
-    costs, ops = compute_transform_tables("", "", 1,1,1,1)
+    costs, ops = compute_transform_tables("", "", 1, 1, 1, 1)
     assert costs == [[0]]
     assert assemble_transformation(ops, 0, 0) == []
 
+
 def test_copy_only():
-    costs, ops = compute_transform_tables("abc", "abc", 1,2,3,3)
+    costs, ops = compute_transform_tables("abc", "abc", 1, 2, 3, 3)
     assert costs[-1][-1] == 3  # cost = sum of copy costs
-    assert assemble_transformation(ops, len(ops)-1, len(ops[0])-1) == ["Ca", "Cb", "Cc"]
+    assert assemble_transformation(ops, len(ops) - 1, len(ops[0]) - 1) == [
+        "Ca",
+        "Cb",
+        "Cc",
+    ]
+
 
 def test_insert_only():
-    costs, ops = compute_transform_tables("", "xyz", 1,1,1,1)
-    seq = assemble_transformation(ops, 0, len(ops[0])-1)
+    costs, ops = compute_transform_tables("", "xyz", 1, 1, 1, 1)
+    seq = assemble_transformation(ops, 0, len(ops[0]) - 1)
     assert seq == ["Ix", "Iy", "Iz"]