⚡️ Speed up method AssertCleanup.transform_asserts by 82% in PR #26 (clean_concolic_tests)

[codeflash-ai]

⚡️ This pull request contains optimizations for PR #26

If you approve this dependent PR, these changes will be merged into the original PR branch clean_concolic_tests.

This PR will be automatically closed if the original PR is merged.

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📄 82% (0.82x) speedup for AssertCleanup.transform_asserts in codeflash/code_utils/code_replacer.py

⏱️ Runtime : 3.33 milliseconds → 1.83 millisecond (best of 632 runs)

📝 Explanation and details

To optimize the given code, we should focus on reducing redundant operations and improving the performance of regular expression matching, string manipulation, and list operations. Let's break down the changes.

Key Optimizations.

This results in a more efficient and potentially faster code execution while maintaining the same functionality and output structure.

✅ Correctness verification report:

Test	Status
⚙️ Existing Unit Tests	🔘 None Found
🌀 Generated Regression Tests	✅ 57 Passed
⏪ Replay Tests	🔘 None Found
🔎 Concolic Coverage Tests	✅ 2 Passed
📊 Tests Coverage	undefined

🌀 Generated Regression Tests Details

from __future__ import annotations

import re
from typing import Optional

# imports
import pytest  # used for our unit tests
from codeflash.code_utils.code_replacer import AssertCleanup

# unit tests

def test_basic_assert_transformation():
    ac = AssertCleanup()
    codeflash_output = ac.transform_asserts("assert x == 5")
    codeflash_output = ac.transform_asserts("assert not x")
    codeflash_output = ac.transform_asserts("assert x == 5,")
    codeflash_output = ac.transform_asserts("assert x == 5;")

def test_indentation_preservation():
    ac = AssertCleanup()
    codeflash_output = ac.transform_asserts("    assert x == 5")
    codeflash_output = ac.transform_asserts("        assert x == 5")

def test_unittest_assert_transformation():
    ac = AssertCleanup()
    codeflash_output = ac.transform_asserts("self.assertEqual(x, 5)")
    codeflash_output = ac.transform_asserts("self.assertTrue(x)")
    codeflash_output = ac.transform_asserts("self.assertFalse(x)")

def test_complex_expressions():
    ac = AssertCleanup()
    codeflash_output = ac.transform_asserts("assert (x + y) * z == 5")
    codeflash_output = ac.transform_asserts("assert my_function(x) == 5")

def test_edge_cases():
    ac = AssertCleanup()
    codeflash_output = ac.transform_asserts("")
    codeflash_output = ac.transform_asserts("print(x)")
    codeflash_output = ac.transform_asserts("# assert x == 5")
    codeflash_output = ac.transform_asserts("assert (x == 5 and \n        y == 6)")

def test_large_scale():
    ac = AssertCleanup()
    input_code = "\n".join(["assert x == 5"] * 1000)
    expected_output = "\n".join(["x"] * 1000)
    codeflash_output = ac.transform_asserts(input_code)

def test_invalid_inputs():
    ac = AssertCleanup()
    with pytest.raises(AttributeError):
        ac.transform_asserts(12345)
    codeflash_output = ac.transform_asserts("self.assertEqual(x, 5, 'message')")

def test_performance_and_scalability():
    ac = AssertCleanup()
    input_code = "assert x == 5\n" * 1000
    expected_output = "x\n" * 1000
    codeflash_output = ac.transform_asserts(input_code)
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.

from __future__ import annotations

import re
from typing import Optional

# imports
import pytest  # used for our unit tests
from codeflash.code_utils.code_replacer import AssertCleanup

# unit tests

def test_basic_assert_statements():
    ac = AssertCleanup()
    code = "assert x == 1\nassert y"
    expected = "x\nassert y"
    codeflash_output = ac.transform_asserts(code)

def test_assert_with_not():
    ac = AssertCleanup()
    code = "assert not x\nassert not (x == 1)"
    expected = "not x\nnot (x == 1)"
    codeflash_output = ac.transform_asserts(code)

def test_complex_assert_statements():
    ac = AssertCleanup()
    code = "assert x == 1 and y == 2\nassert func(x) == 1"
    expected = "x == 1 and y == 2\nfunc(x)"
    codeflash_output = ac.transform_asserts(code)

def test_unittest_assertions():
    ac = AssertCleanup()
    code = "self.assertEqual(x, 1)\nself.assertTrue(y)"
    expected = "x\nself.assertTrue(y)"
    codeflash_output = ac.transform_asserts(code)

def test_unittest_assertions_multiple_args():
    ac = AssertCleanup()
    code = 'self.assertEqual(x, 1, "x should be 1")\nself.assertIn(x, [1, 2, 3])'
    expected = 'x\nself.assertIn(x, [1, 2, 3])'
    codeflash_output = ac.transform_asserts(code)

def test_empty_lines_and_comments():
    ac = AssertCleanup()
    code = "# This is a comment\n\nassert x == 1"
    expected = "# This is a comment\n\nx"
    codeflash_output = ac.transform_asserts(code)

def test_lines_with_only_whitespace():
    ac = AssertCleanup()
    code = "    \nassert x == 1"
    expected = "    \nx"
    codeflash_output = ac.transform_asserts(code)

def test_non_assert_statements():
    ac = AssertCleanup()
    code = "x = 1\nprint(x)"
    expected = "x = 1\nprint(x)"
    codeflash_output = ac.transform_asserts(code)

def test_different_levels_of_indentation():
    ac = AssertCleanup()
    code = "    assert x == 1\n        assert not y"
    expected = "    x\n        not y"
    codeflash_output = ac.transform_asserts(code)

def test_mixed_indentation_styles():
    ac = AssertCleanup()
    code = "\tassert x == 1\n    \tassert x == 1"
    expected = "\tx\n    \tx"
    codeflash_output = ac.transform_asserts(code)

def test_assertions_with_trailing_commas_or_semicolons():
    ac = AssertCleanup()
    code = "assert x == 1,\nassert x == 1;"
    expected = "x\nx"
    codeflash_output = ac.transform_asserts(code)

def test_assertions_with_nested_parentheses():
    ac = AssertCleanup()
    code = "assert (x == 1)\nassert not (x == 1 and y == 2)"
    expected = "x == 1\nnot (x == 1 and y == 2)"
    codeflash_output = ac.transform_asserts(code)

def test_large_input_code_block():
    ac = AssertCleanup()
    code = "\n".join([f"assert x == {i}" for i in range(100)])
    expected = "\n".join([f"x == {i}" for i in range(100)])
    codeflash_output = ac.transform_asserts(code)

def test_invalid_assert_statements():
    ac = AssertCleanup()
    code = "assert\nassert == 1"
    expected = "assert\nassert == 1"
    codeflash_output = ac.transform_asserts(code)

def test_code_with_other_control_structures():
    ac = AssertCleanup()
    code = "if x: assert x == 1\nfor i in range(10): assert i < 10"
    expected = "if x: x\nfor i in range(10): i < 10"
    codeflash_output = ac.transform_asserts(code)
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.

from codeflash.code_utils.code_replacer import AssertCleanup

def test_AssertCleanup_transform_asserts():
    AssertCleanup.transform_asserts(AssertCleanup(), '\n')