{"library":"pytest-freezer","title":"Pytest Freezer","description":"Pytest-freezer is a pytest plugin that provides a fixture interface for the `freezegun` library, allowing developers to easily freeze and manipulate time during tests. It ensures consistent testing of time-based functionality, such as scheduling, expiry mechanisms, and historical data retrieval. Maintained by the `pytest-dev` organization, the current version is 0.4.9 and is actively developed.","language":"python","status":"active","last_verified":"Fri May 15","install":{"commands":["pip install pytest-freezer"],"cli":null},"imports":["def test_my_feature(freezer):\n    # Use the freezer fixture directly"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from datetime import datetime\nimport time\n\ndef test_frozen_date(freezer):\n    # Time is frozen by default when the fixture is injected\n    now = datetime.now()\n    time.sleep(1)\n    later = datetime.now()\n    assert now == later\n    assert now.year == datetime.now().year # Verify object type\n\n    # You can also move time within the frozen period\n    freezer.move_to('2023-01-01 10:00:00')\n    assert datetime.now() == datetime(2023, 1, 1, 10, 0, 0)\n\n    # Use freezer as a context manager for temporary freezes\n    with freezer.freeze('2022-02-02'):\n        assert datetime.now().day == 2","lang":"python","description":"The `freezer` fixture is automatically available in your pytest tests. It is an instance of `freezegun.api.FrozenDateTimeFactory`, allowing direct use of its methods like `move_to()` or `freeze()` as a context manager. Time is frozen to the current moment by default when the fixture is injected, and can be manipulated thereafter.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":{"tag":null,"tag_description":null,"last_tested":"2026-05-15","installed_version":"0.4.9","pypi_latest":"0.4.9","is_stale":false,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":2.8,"avg_import_s":null,"wheel_type":"wheel"},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"31.6M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2.7,"import_time_s":null,"mem_mb":null,"disk_size":"32M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"34.7M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2.8,"import_time_s":null,"mem_mb":null,"disk_size":"35M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"26.3M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2.6,"import_time_s":null,"mem_mb":null,"disk_size":"27M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"26.1M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2.6,"import_time_s":null,"mem_mb":null,"disk_size":"27M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"31.0M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"pytest-freezer","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":3.2,"import_time_s":null,"mem_mb":null,"disk_size":"31M"}]}}