⚡️ Speed up method DateTime._try_to_convert_date by 803%

[codeflash-ai]

📄 803% (8.03x) speedup for DateTime._try_to_convert_date in src/click/types.py

⏱️ Runtime : 36.0 milliseconds → 3.99 milliseconds (best of 26 runs)

📝 Explanation and details

Explanation of changes:

✅ Correctness verification report:

Test	Status
⚙️ Existing Unit Tests	🔘 None Found
🌀 Generated Regression Tests	✅ 3039 Passed
⏪ Replay Tests	🔘 None Found
🔎 Concolic Coverage Tests	🔘 None Found
📊 Tests Coverage	100.0%

🌀 Generated Regression Tests Details

from __future__ import annotations

import collections.abc as cabc
import typing as t
from datetime import datetime

# imports
import pytest  # used for our unit tests
from src.click.types import DateTime


# unit tests
@pytest.fixture
def datetime_instance():
    return DateTime()

def test_valid_date_standard_format(datetime_instance):
    # Test standard date format
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05", "%Y-%m-%d")

def test_valid_date_iso_format(datetime_instance):
    # Test ISO 8601 date-time format
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05T14:30:00", "%Y-%m-%dT%H:%M:%S")

def test_valid_date_space_format(datetime_instance):
    # Test space-separated date-time format
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05 14:30:00", "%Y-%m-%d %H:%M:%S")

def test_invalid_date_format(datetime_instance):
    # Test incorrect date format
    codeflash_output = datetime_instance._try_to_convert_date("2023/10/05", "%Y-%m-%d")

def test_non_date_string(datetime_instance):
    # Test non-date string
    codeflash_output = datetime_instance._try_to_convert_date("Hello, World!", "%Y-%m-%d")

def test_empty_string(datetime_instance):
    # Test empty string
    codeflash_output = datetime_instance._try_to_convert_date("", "%Y-%m-%d")


def test_whitespace_string(datetime_instance):
    # Test whitespace string
    codeflash_output = datetime_instance._try_to_convert_date(" ", "%Y-%m-%d")

def test_boundary_date_earliest(datetime_instance):
    # Test earliest possible date
    codeflash_output = datetime_instance._try_to_convert_date("0001-01-01", "%Y-%m-%d")

def test_boundary_date_latest(datetime_instance):
    # Test latest possible date
    codeflash_output = datetime_instance._try_to_convert_date("9999-12-31", "%Y-%m-%d")

def test_long_date_string(datetime_instance):
    # Test long date string
    long_date_string = "2023-10-05T14:30:00" * 1000
    codeflash_output = datetime_instance._try_to_convert_date(long_date_string, "%Y-%m-%dT%H:%M:%S")

def test_mixed_valid_invalid_dates(datetime_instance):
    # Test mixed valid and invalid dates
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05 and 2023-10-06", "%Y-%m-%d")
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05T14:30:00, 2023-10-06T14:30:00", "%Y-%m-%dT%H:%M:%S")

def test_invalid_date_components(datetime_instance):
    # Test invalid month and day
    codeflash_output = datetime_instance._try_to_convert_date("2023-13-01", "%Y-%m-%d")
    codeflash_output = datetime_instance._try_to_convert_date("2023-02-30", "%Y-%m-%d")

def test_invalid_time_components(datetime_instance):
    # Test invalid hour and minute
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05T25:00:00", "%Y-%m-%dT%H:%M:%S")
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05T14:60:00", "%Y-%m-%dT%H:%M:%S")

def test_leap_year_handling_valid(datetime_instance):
    # Test valid leap year date
    codeflash_output = datetime_instance._try_to_convert_date("2020-02-29", "%Y-%m-%d")

def test_leap_year_handling_invalid(datetime_instance):
    # Test invalid leap year date
    codeflash_output = datetime_instance._try_to_convert_date("2019-02-29", "%Y-%m-%d")

def test_time_zone_information(datetime_instance):
    # Test ISO 8601 with time zone
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05T14:30:00Z", "%Y-%m-%dT%H:%M:%S")
    codeflash_output = datetime_instance._try_to_convert_date("2023-10-05T14:30:00+02:00", "%Y-%m-%dT%H:%M:%S")

def test_performance_large_number_of_conversions(datetime_instance):
    # Test performance with a large number of conversions
    for _ in range(1000):
        codeflash_output = datetime_instance._try_to_convert_date("2023-10-05", "%Y-%m-%d")
        codeflash_output = datetime_instance._try_to_convert_date("invalid-date", "%Y-%m-%d")
# 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 collections.abc as cabc
import typing as t
from datetime import datetime

# imports
import pytest  # used for our unit tests
from src.click.types import DateTime

# unit tests

# Basic Test Cases
def test_valid_date_standard_format():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2023-10-15", "%Y-%m-%d")

def test_valid_date_time_format_with_T():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2023-10-15T14:30:00", "%Y-%m-%dT%H:%M:%S")

def test_valid_date_time_format_with_space():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2023-10-15 14:30:00", "%Y-%m-%d %H:%M:%S")

# Edge Test Cases
def test_invalid_date_format():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("15-10-2023", "%Y-%m-%d")

def test_non_date_string():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("not-a-date", "%Y-%m-%d")

def test_empty_string():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("", "%Y-%m-%d")


def test_whitespace_string():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("   ", "%Y-%m-%d")

def test_boundary_date():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("0001-01-01", "%Y-%m-%d")
    codeflash_output = dt._try_to_convert_date("9999-12-31", "%Y-%m-%d")

# Large Scale Test Cases
def test_very_long_string():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2023-10-15" * 1000, "%Y-%m-%d")

def test_high_volume_of_valid_dates():
    dt = DateTime()
    for i in range(1000):
        date_str = f"2023-10-{15 + i % 10:02d}"
        codeflash_output = dt._try_to_convert_date(date_str, "%Y-%m-%d")

# Special Characters in Strings
def test_special_characters_in_date_string():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2023-10-15!@#$", "%Y-%m-%d")

# Different Locale Formats
def test_locale_specific_date_format():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("15/10/2023", "%d/%m/%Y")
    codeflash_output = dt._try_to_convert_date("31-12-1999", "%d-%m-%Y")

# Mixed-Type Inputs

def test_date_time_with_time_zone():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2023-10-15T14:30:00Z", "%Y-%m-%dT%H:%M:%S%z")
    codeflash_output = dt._try_to_convert_date("2023-10-15T14:30:00+02:00", "%Y-%m-%dT%H:%M:%S%z")

# Leap Year Dates
def test_leap_day():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2020-02-29", "%Y-%m-%d")
    codeflash_output = dt._try_to_convert_date("2019-02-29", "%Y-%m-%d")

# Invalid Formats
def test_incorrect_format_string():
    dt = DateTime()
    codeflash_output = dt._try_to_convert_date("2023-10-15", "%d-%m-%Y")
    codeflash_output = dt._try_to_convert_date("2023-10-15T14:30:00", "%d/%m/%Y %H:%M:%S")
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.

from src.click.types import DateTime
import pytest

def test_DateTime__try_to_convert_date():
    with pytest.raises(TypeError, match='strptime\\(\\)\\ argument\\ 1\\ must\\ be\\ str,\\ not\\ SymbolicObject'):
        DateTime._try_to_convert_date(DateTime(formats=None), 0, '')

📢 Feedback on this optimization?