Refactor replace_most_similar_chunk function and update test cases.

test_utils.py

@@ -4,8 +4,8 @@ from utils import replace_most_similar_chunk
 class TestUtils(unittest.TestCase):
     def test_replace_most_similar_chunk(self):
         whole = "This is a sample text.\nAnother line of text.\nYet another line."
-        part = "sample text"
+        part = "This is a sample text"
-        replace = "replaced text"
+        replace = "This is a replaced text."
         expected_output = "This is a replaced text.\nAnother line of text.\nYet another line."
 
         result = replace_most_similar_chunk(whole, part, replace)
@@ -13,8 +13,8 @@ class TestUtils(unittest.TestCase):
 
     def test_replace_most_similar_chunk_not_perfect_match(self):
         whole = "This is a sample text.\nAnother line of text.\nYet another line."
-        part = "sample text.\nAnother line"
+        part = "This was a sample text.\nAnother line of txt"
-        replace = "replaced text.\nModified line"
+        replace = "This is a replaced text.\nModified line of text."
         expected_output = "This is a replaced text.\nModified line of text.\nYet another line."
 
         result = replace_most_similar_chunk(whole, part, replace)

utils.py

@@ -3,11 +3,12 @@ import math
 from difflib import SequenceMatcher
 from pathlib import Path
 
-# from dump import dump
+#from dump import dump
-
 
 def replace_most_similar_chunk(whole, part, replace):
+
     similarity_thresh = 0.8
+
     max_similarity = 0
     most_similar_chunk_start = -1
     most_similar_chunk_end = -1