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"""
Tests for code utilities in openevolve.utils.code_utils
"""
import unittest
from openevolve.utils.code_utils import apply_diff, extract_diffs
class TestCodeUtils(unittest.TestCase):
"""Tests for code utilities"""
def test_extract_diffs(self):
"""Test extracting diffs from a response"""
diff_text = """
Let's improve this code:
<<<<<<< SEARCH
def hello():
print("Hello")
=======
def hello():
print("Hello, World!")
>>>>>>> REPLACE
Another change:
<<<<<<< SEARCH
x = 1
=======
x = 2
>>>>>>> REPLACE
"""
diffs = extract_diffs(diff_text)
self.assertEqual(len(diffs), 2)
self.assertEqual(
diffs[0][0],
""" def hello():
print(\"Hello\")""",
)
self.assertEqual(
diffs[0][1],
""" def hello():
print(\"Hello, World!\")""",
)
self.assertEqual(diffs[1][0], " x = 1")
self.assertEqual(diffs[1][1], " x = 2")
def test_apply_diff(self):
"""Test applying diffs to code"""
original_code = """
def hello():
print("Hello")
x = 1
y = 2
"""
diff_text = """
<<<<<<< SEARCH
def hello():
print("Hello")
=======
def hello():
print("Hello, World!")
>>>>>>> REPLACE
<<<<<<< SEARCH
x = 1
=======
x = 2
>>>>>>> REPLACE
"""
expected_code = """
def hello():
print("Hello, World!")
x = 2
y = 2
"""
result = apply_diff(original_code, diff_text)
# Normalize whitespace for comparison
self.assertEqual(
result,
expected_code,
)
if __name__ == "__main__":
unittest.main()
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