Py.test Fixture Configuration

Simple configuration objects for Py.test fixtures.
Allows you to skip tests when their required config variables aren't set.

Installation

Install using your favourite package manager:

    pip install pytest-fixture-config
    #  or..
    easy_install pytest-fixture-config

Enable the fixture explicitly in your tests or conftest.py (not required when using setuptools entry points):

    pytest_plugins = ['pytest_fixture_config']

Specifying Configuration

To specify your variables you create a class somewhere in your plugin module,
and a singleton instance of the class which reads the variables from wherever
you want. In this example we read them from the shell environment:

    import os
    from pytest_fixture_config import Config

    class FixtureConfig(Config):
        __slots__ = ('log_dir', 'log_watcher')
        
    CONFIG=FixtureConfig(
        log_dir=os.getenv('LOG_DIR', '/var/log'),       # This has a default
        log_watcher=os.getenv('LOG_WATCHER'),           # This does not 
    )

Using Configuration

Simply reference the singleton at run-time in your fixtures:

    import pytest
    
    @pytest.fixture
    def log_watcher():
        return subprocess.popen([CONFIG.log_watcher, '--log-dir', CONFIG.log_dir])
    
    def test_log_watcher(watcher):
        watcher.communicate()

Skipping tests when things are missing

There are some decorators that allow you to skip tests when settings aren't set.
This is useful when you're testing something you might not have installed
but don't want your tests suite to fail:

    from pytest_fixture_config import requires_config
    
    @pytest.fixture
    @requires_config(CONFIG, ['log_watcher', 'log_dir'])
    def log_watcher():
        return subprocess.popen([CONFIG.log_watcher, '--log-dir', CONFIG.log_dir])

There is also a version for yield_fixtures:

    from pytest_fixture_config import yield_requires_config
    
    @pytest.fixture
    @yield_requires_config(CONFIG, ['log_watcher', 'log_dir'])
    def log_watcher():
        watcher = subprocess.popen([CONFIG.log_watcher, '--log-dir', CONFIG.log_dir])
        yield watcher
        watcher.kill()

Changelog

1.8.0 (2024-10-??)

All: Drop support for Python 2 and <3.6, removing compatibility code.
All: Use stdlib unittest.mock instead of mock package.
All: Removed usage of path.py and path in favour of pathlib. #174 #224
pytest-devpi-server: Run devpi-init for initialisation. #179
pytest-server-fixtures: BREAKING CHANGE: Removed RethinkDB support, as the project is no longer maintained.
pytest-server-fixtures: Allowed passing through HTTP headers to the server. #149
pytest-server-fixtures: Fixed threading log debug messages. #146
pytest-server-fixtures: Removed usage of deprecated Thread.setDaemon. #202
pytest-server-fixtures: Explicitly close initial Mongo client. #198
pytest-server-fixtures: Don't use context manager for CREATE DATABASE #186
pytest-shutil: Removed contextlib2 requirement. #144
pytest-shutil: Fixed forcing color through termcolor. #217
pytest-shutil: Replaced deprecated imp module #219
pytest-profiling: Added support to hide/show the full path of file. #95
pytest-profiling: Fixed SVG file generation on Windows. #93
pytest-profiling: Remove pinning of more-itertools. #194
pytest-profiling: Add support to define element number for print_stats() #96
pytest-profiling: Fix mock in test_writes_summary #223
pytest-virtualenv: Modernised package. #188 #185 #182 #163
pytest-virtualenv: Fixed virtualenv creation on Windows. #142
pytest-virtualenv: Added delete_workspace parameter to VirtualEnv. #195
pytest-virtualenv: Removed extras_require. #240
ci: Remove usage of deprecated distutils. #189
ci: Disabled jenkins server tests on CircleCI to improve build time.
ci: Fixed collections import for py 3.11 compatibility #222

1.7.1 (2019-05-28)

pytest-profiling: Fix pytest-profiling to profile fixtures. #48
pytest-devpi-server: Fixed Python 3.4 support updating "ruamel.yaml" requirements. #138
ci: Added PYTEST_DONT_REWRITE in order to suppress module already imported. #123

1.7.0 (2019-02-21)

All: Support pytest >= 4.0.0
All: Support Python 3.7
pytest-server-fixtures: if host not defined on your machine, default to localhost
pytest-server-fixture: Pin to rethinkdb < 2.4.0 due to upstream API changes
pytest-verbose-parametrize: Add support for revamped marker infrastructure
pytest-verbose-parametrize: Fix integration tests to support pytest >= 4.1.0
pytest-virtualenv: Add virtualenv as install requirement. Fixes #122
pytest-webdriver: Fix RemovedInPytest4Warning using getfixturevalue
circleci: Fix checks by skipping coverall submission for developer without push access
wheels: Generate universal wheels installable with both python 2.x and 3.x
dist: Remove support for building and distributing *.egg files
VagrantFile: Install python 3.7 and initialize python 3.7 by default
Fix DeprecationWarning warnings using "logger.warning()" function

1.6.2 (2019-02-21)

pytest-server-fixtures: suppress stacktrace if kill() is called
pytest-server-fixtures: fix random port logic in TestServerV2

1.6.1 (2019-02-12)

pytest-server-fixtures: fix exception when attempting to access hostname while server is not started

1.6.0 (2019-02-12)

pytest-server-fixtures: added previously removed TestServerV2.kill() function
pytest-profiling: pin more-itertools==5.0.0 in integration tests, as that's a PY3 only release

1.5.1 (2019-01-24)

pytest-verbose-parametrize: fixed unicode parameters when using @pytest.mark.parametrize

1.5.0 (2019-01-23)

pytest-server-fixtures: made postgres fixtures and its tests optional, like all other fixtures
pytest-server-fixtures: reverted a fix for pymongo deprecation warning, as this will break compatibility with pymongo 3.6.0
pytest-server-fixtures: dropped RHEL5 support in httpd

1.4.1 (2019-01-18)

pytest-server-fixtures: server fixture binary path specified in ENV now only affect server class 'thread'

1.4.0 (2019-01-15)

Fixing python 3 compatibility in Simple HTTP Server fixture
Fixed broken tests in pytest-profiling
Pinned pytest<4.0.0 until all deprecation warnings are fixed.
pytest-webdriver: replaced deprecated phantomjs with headless Google Chrome.
Add Vagrantfile to project to make test environment portable.
Add .editorconfig file to project.
pytest-server-fixtures: add TestServerV2 with Docker and Kubernetes support.
pytest-server-fixtures: fix for an issue where MinioServer is not cleaned up after use.
pytest-server-fixtures: fix deprecation warnings when calling pymongo.
pytest-server-fixtures: close pymongo client on MongoTestServer teardown.
pytest-server-fixtures: upgrade Mongo, Redis and RethinkDB to TestServerV2.
coveralls: fix broken coveralls

1.3.1 (2018-06-28)

Use pymongo list_database_names() instead of the deprecated database_names(), added pymongo>=3.6.0 dependency

1.3.0 (2017-11-17)

Fixed workspace deletion when teardown is None
Fixed squash of root logger in pytest-listener
Added S3 Minio fixture (many thanks to Gavin Bisesi)
Added Postgres fixture (many thanks to Gavin Bisesi)
Use requests for server fixtures http gets as it handles redirects and proxies properly

1.2.12 (2017-8-1)

Fixed regression on cacheing ephemeral hostname, some clients were relying on this. This is now optional.

1.2.11 (2017-7-21)

Fix for OSX binding to illegal local IP range (Thanks to Gavin Bisesi)
Setup and Py3k fixes for pytest-profiling (Thanks to xoviat)
We no longer try and bind port 5000 when reserving a local IP host, as someone could have bound it to 0.0.0.0
Fix for #46 sourcing gprof2dot when the local venv has not been activated

1.2.10 (2017-2-23)

Handle custom Pytest test items in pytest-webdriver

1.2.9 (2017-2-23)

Add username into mongo server fixture tempdir path to stop collisions on shared multiuser filesystems

1.2.8 (2017-2-21)

Return function results in shutil.run.run_as_main

1.2.7 (2017-2-20)

More handling for older versions of path.py
Allow virtualenv argument passing in pytest-virtualenv

1.2.6 (2017-2-16 )

Updated devpi server server setup for devpi-server >= 2.0
Improvements for random port picking
HTTPD server now binds to 0.0.0.0 by default to aid Selenium-style testing
Updated mongodb server args for mongodb >= 3.2
Corrections for mongodb fixture config and improve startup logic
Added module-scoped mongodb fixture
Handling for older versions of path.py
Fix for #40 where tests that chdir break pytest-profiling

1.2.5 (2016-12-09)

Improvements for server runner host and port generation, now supports random local IPs
Bugfix for RethinkDB fixture config

1.2.4 (2016-11-14)

Bugfix for pymongo extra dependency
Windows compatibility fix for pytest-virtualenv (Thanks to Jean-Christophe Fillion-Robin for PR)
Fix symlink handling for pytest-shutil.cmdline.get_real_python_executable

1.2.3 (2016-11-7)

Improve resiliency of Mongo fixture startup checks

1.2.2 (2016-10-27)

Python 3 compatibility across most of the modules
Fixed deprecated Path.py imports (Thanks to Bryan Moscon)
Fixed deprecated multicall in pytest-profiling (Thanks to Paul van der Linden for PR)
Added devpi-server fixture to create an index per test function
Added missing licence file
Split up httpd server fixture config so child classes can override loaded modules easier
Added 'preserve_sys_path' argument to TestServer base class which exports the current python sys.path to subprocesses.
Updated httpd, redis and jenkins runtime args and paths to current Ubuntu spec
Ignore errors when tearing down workspaces to avoid race conditions in 'shutil.rmtree' implementation

1.2.1 (2016-3-1)

Fixed pytest-verbose-parametrize for latest version of py.test

1.2.0 (2016-2-19)

New plugin: git repository fixture

1.1.1 (2016-2-16)

pytest-profiling improvement: escape illegal characters in .prof files (Thanks to Aarni Koskela for the PR)

1.1.0 (2016-2-15)

New plugin: devpi server fixture
pytest-profiling improvement: overly-long .prof files are saved as the short hash of the test name (Thanks to Vladimir Lagunov for PR)
Changed default behavior of workspace.run() to not use a subshell for security reasons
Corrected virtualenv.run() method to handle arguments the same as the parent method workspace.run()
Removed deprecated '--distribute' from virtualenv args

1.0.1 (2015-12-23)

Packaging bugfix

1.0.0 (2015-12-21)

Initial public release

Dependencies of pytest-fixture-config (2).
Dependency	Optional
pytest	false
six	true

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pytest-fixture-config

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