# Tox (http://tox.testrun.org/) is a tool for running tests
# in multiple virtualenvs. This configuration file will run the
# test suite on all supported python versions. To use it, "pip install tox"
# and then run "tox" from this directory.

# Map Python versions in GitHub Actions to tox environments to run, for use by
# the tox-gh-actions package.
[gh-actions]
python =
    2.7: py27-coverage,codechecks
    3.6: py36-coverage
    3.7: py37-coverage,typechecks,codechecks3
    3.8: py38-coverage
    3.9: py39-coverage
    pypy-3.7: pypy3

[pytest]
twisted = 1

[tox]
envlist = typechecks,codechecks,codechecks3,py{27,36,37,38,39}-{coverage},pypy27,pypy3,integration,integration3
minversion = 2.4

[testenv]
passenv = TAHOE_LAFS_* PIP_* SUBUNITREPORTER_* USERPROFILE HOMEDRIVE HOMEPATH
# Get "certifi" to avoid bug #2913. Basically if a `setup_requires=...` causes
# a package to be installed (with setuptools) then it'll fail on certain
# platforms (travis's OX-X 10.12, Slackware 14.2) because PyPI's TLS
# requirements (TLS >= 1.2) are incompatible with the old TLS clients
# available to those systems.  Installing it ahead of time (with pip) avoids
# this problem.
deps =
     # Pin all of these versions for the same reason you ever want to pin
     # anything: to prevent new releases with regressions from introducing
     # spurious failures into CI runs for whatever development work is
     # happening at the time.  The versions selected here are just the current
     # versions at the time.  Bumping them to keep up with future releases is
     # fine as long as those releases are known to actually work.
     #
     # For now these are versions that support Python 2.
     pip==20.3.4
     setuptools==44.1.1
     wheel==0.36.2
     subunitreporter==19.3.2
     # As an exception, we don't pin certifi because it contains CA
     # certificates which necessarily change over time.  Pinning this is
     # guaranteed to cause things to break eventually as old certificates
     # expire and as new ones are used in the wild that aren't present in
     # whatever version we pin.  Hopefully there won't be functionality
     # regressions in new releases of this package that cause us the kind of
     # suffering we're trying to avoid with the above pins.
     certifi
     # VCS hooks support
     py36,!coverage: pre-commit

# We add usedevelop=False because testing against a true installation gives
# more useful results.
usedevelop = False
# We use extras=test to get things like "mock" that are required for our unit
# tests.
extras = test

setenv =
       # Define TEST_SUITE in the environment as an aid to constructing the
       # correct test command below.
       TEST_SUITE = allmydata

commands =
         # As an aid to debugging, dump all of the Python packages and their
         # versions that are installed in the test environment.  This is
         # particularly useful to get from CI runs - though hopefully the
         # version pinning we do limits the variability of this output
         pip freeze

         tahoe --version

         python -c "import sys; print('sys.stdout.encoding:', sys.stdout.encoding)"

         # Run tests with -b to catch bugs like `"%s" % (some_bytes,)`. -b makes
         # Python emit BytesWarnings, and warnings configuration in
         # src/allmydata/tests/__init__.py turns allmydata's BytesWarnings into
         # exceptions.
         !coverage: python -b -m twisted.trial {env:TAHOE_LAFS_TRIAL_ARGS:--rterrors} {posargs:{env:TEST_SUITE}}

         # measuring coverage is somewhat slower than not measuring coverage
         # so only do it on request.
         coverage: python -b -m coverage run -m twisted.trial {env:TAHOE_LAFS_TRIAL_ARGS:--rterrors --reporter=timing} {posargs:{env:TEST_SUITE}}
         coverage: coverage combine
         coverage: coverage xml
         coverage: coverage report

[testenv:integration]
setenv =
         COVERAGE_PROCESS_START=.coveragerc
commands =
         # NOTE: 'run with "py.test --keep-tempdir -s -v integration/" to debug failures'
         py.test --timeout=1800 --coverage -v {posargs:integration}
         coverage combine
         coverage report


[testenv:integration3]
basepython = python3
setenv =
         COVERAGE_PROCESS_START=.coveragerc
commands =
         python --version
         # NOTE: 'run with "py.test --keep-tempdir -s -v integration/" to debug failures'
         py.test --timeout=1800 --coverage -v {posargs:integration}
         coverage combine
         coverage report


# Once 2.7 is dropped, this can be removed. It just does flake8 with Python 2
# since that can give different results than flake8 on Python 3.
[testenv:codechecks]
basepython = python2.7
setenv =
	 # If no positional arguments are given, try to run the checks on the
	 # entire codebase, including various pieces of supporting code.
	 DEFAULT_FILES=src integration static misc setup.py
commands =
         flake8 {posargs:{env:DEFAULT_FILES}}


[testenv:codechecks3]
basepython = python3
deps =
     # Newer versions of PyLint have buggy configuration
     # (https://github.com/PyCQA/pylint/issues/4574), so stick to old version
     # for now.
     pylint < 2.5
# On macOS, git inside of towncrier needs $HOME.
passenv = HOME
setenv =
	 # If no positional arguments are given, try to run the checks on the
	 # entire codebase, including various pieces of supporting code.
	 DEFAULT_FILES=src integration static misc setup.py
commands =
         flake8 {posargs:{env:DEFAULT_FILES}}
         python misc/coding_tools/check-umids.py {posargs:{env:DEFAULT_FILES}}
         python misc/coding_tools/check-debugging.py {posargs:{env:DEFAULT_FILES}}
         python misc/coding_tools/find-trailing-spaces.py -r {posargs:{env:DEFAULT_FILES}}
         # PyLint has other useful checks, might want to enable them:
         # http://pylint.pycqa.org/en/latest/technical_reference/features.html
         pylint --disable=all --enable=cell-var-from-loop {posargs:{env:DEFAULT_FILES}}

         # If towncrier.check fails, you forgot to add a towncrier news
         # fragment explaining the change in this branch.  Create one at
         # `newsfragments/<ticket>.<change type>` with some text for the news
         # file.  See towncrier.toml for legal <change type> values.
         python -m towncrier.check --config towncrier.toml


[testenv:typechecks]
basepython = python3
skip_install = True
deps =
    mypy
    mypy-zope
    types-mock
    types-six
    types-PyYAML
    types-pkg_resources
    git+https://github.com/warner/foolscap
    # Twisted 21.2.0 introduces some type hints which we are not yet
    # compatible with.
    # https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3622
    twisted<21.2.0
commands = mypy src


[testenv:draftnews]
passenv = TAHOE_LAFS_* PIP_* SUBUNITREPORTER_* USERPROFILE HOMEDRIVE HOMEPATH
deps =
    # see comment in [testenv] about "certifi"
    certifi
    towncrier==21.3.0
commands =
    python -m towncrier --draft --config towncrier.toml

[testenv:news]
# On macOS, git invoked from Tox needs $HOME.
passenv = TAHOE_LAFS_* PIP_* SUBUNITREPORTER_* USERPROFILE HOMEDRIVE HOMEPATH HOME
whitelist_externals =
    git
deps =
    # see comment in [testenv] about "certifi"
    certifi
    towncrier==21.3.0
commands =
    python -m towncrier --yes --config towncrier.toml
    # commit the changes
    git commit -m "update NEWS.txt for release"

[testenv:deprecations]
commands =
         python misc/build_helpers/run-deprecations.py --package allmydata --warnings={env:TAHOE_LAFS_WARNINGS_LOG:_trial_temp/deprecation-warnings.log} trial {env:TAHOE_LAFS_TRIAL_ARGS:--rterrors} {posargs:allmydata}

[testenv:upcoming-deprecations]
deps =
     # Take the base deps as well!
     {[testenv]deps}
     git+https://github.com/warner/foolscap
commands =
         flogtool --version
         python misc/build_helpers/run-deprecations.py --package allmydata --warnings={env:TAHOE_LAFS_WARNINGS_LOG:_trial_temp/deprecation-warnings.log} trial {env:TAHOE_LAFS_TRIAL_ARGS:--rterrors} {posargs:allmydata}

[testenv:checkmemory]
commands =
         rm -rf _test_memory
         python src/allmydata/test/check_memory.py upload
         python src/allmydata/test/check_memory.py upload-self
         python src/allmydata/test/check_memory.py upload-POST
         python src/allmydata/test/check_memory.py download
         python src/allmydata/test/check_memory.py download-GET
         python src/allmydata/test/check_memory.py download-GET-slow
         python src/allmydata/test/check_memory.py receive

# Use 'tox -e docs' to check formatting and cross-references in docs .rst
# files. The published docs are built by code run over at readthedocs.org,
# which does not use this target (but does something similar).
#
# If you have "sphinx" installed in your virtualenv, you can just do "make -C
# docs html", or "cd docs; make html".
#
# You can also open docs/_build/html/index.html to see the rendered docs in
# your web browser.

[testenv:docs]
# we pin docutils because of https://sourceforge.net/p/docutils/bugs/301/
# which asserts when it reads links to .svg files (e.g. about.rst)
deps =
     sphinx
     docutils==0.12
     recommonmark
     sphinx_rtd_theme
# normal install is not needed for docs, and slows things down
skip_install = True
commands =
         sphinx-build -W -b html -d {toxinidir}/docs/_build/doctrees {toxinidir}/docs {toxinidir}/docs/_build/html

[testenv:pyinstaller]
# We override this to pass --no-use-pep517 because pyinstaller (3.4, at least)
# is broken when this feature is enabled.
install_command = python -m pip install --no-use-pep517 {opts} {packages}
extras =
deps =
    {[testenv]deps}
    packaging
    # PyInstaller 4.0 drops Python 2 support.  When we finish porting to
    # Python 3 we can reconsider this constraint.
    pyinstaller < 4.0
    pefile ; platform_system == "Windows"
# Setting PYTHONHASHSEED to a known value assists with reproducible builds.
# See https://pyinstaller.readthedocs.io/en/stable/advanced-topics.html#creating-a-reproducible-build
setenv=PYTHONHASHSEED=1
commands=
    pip freeze
    pyinstaller -y --clean pyinstaller.spec

[testenv:tarballs]
deps =
commands =
         python setup.py update_version
         python setup.py sdist --formats=bztar,gztar,zip bdist_wheel
