[tox]
minversion = 3.1.1
envlist = py38,functional,pep8
# Automatic envs (pyXX) will only use the python version appropriate to that
# env and ignore basepython inherited from [testenv] if we set
# ignore_basepython_conflict.
ignore_basepython_conflict = True

[testenv]
basepython = python3
usedevelop = True
whitelist_externals =
  bash
  find
  rm
  env
  make
setenv =
  VIRTUAL_ENV={envdir}
  LANGUAGE=en_US
  LC_ALL=en_US.utf-8
  OS_STDOUT_CAPTURE=1
  OS_STDERR_CAPTURE=1
  OS_TEST_TIMEOUT=160
  PYTHONDONTWRITEBYTECODE=1
deps =
  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
  -r{toxinidir}/requirements.txt
  -r{toxinidir}/test-requirements.txt
passenv =
  OS_DEBUG GENERATE_HASHES
# there is also secret magic in subunit-trace which lets you run in a fail only
# mode. To do this define the TRACE_FAILONLY environmental variable.
commands =
# NOTE(gibi): The group-regex runs the matching tests in the same executor.
# These tests runs against a real mysql instance and in an IO deprived CI VM they tend to time out.
# See bug https://launchpad.net/bugs/1823251 for details.
# By running them in the same executor we can spread the IO load of these tests in time.
  stestr --group-regex=nova\.tests\.unit\.db\.test_migrations\.TestNovaMigrationsMySQL run {posargs}
  env TEST_OSPROFILER=1 stestr run --combine --no-discover 'nova.tests.unit.test_profiler'
  stestr slowest

[testenv:mypy]
description =
  Run type checks.
envdir = {toxworkdir}/shared
commands =
  bash tools/mypywrap.sh {posargs}

[testenv:pep8]
description =
  Run style checks.
envdir = {toxworkdir}/shared
passenv =
  DISABLE_CHERRY_PICK_CHECK
commands =
  {[testenv:mypy]commands}
  bash tools/flake8wrap.sh {posargs}
  # Check that all JSON files don't have \r\n in line.
  bash -c "! find doc/ -type f -name *.json | xargs grep -U -n $'\r'"
  # Check that all included JSON files are valid JSON
  bash -c '! find doc/ -type f -name *.json | xargs -t -n1 python -m json.tool 2>&1 > /dev/null | grep -B1 -v ^python'
  bash tools/check-cherry-picks.sh

[testenv:fast8]
description =
  Run style checks on the changes made since HEAD~. For a full run including docs, use 'pep8'
envdir = {toxworkdir}/shared
commands =
  bash tools/flake8wrap.sh -HEAD

[testenv:functional]
description =
  Run functional tests using python3.
# As nova functional tests import the PlacementFixture from the placement
# repository these tests are, by default, set up to run with openstack-placement
# from pypi. In the gate, Zuul will use the installed version of placement (stable
# branch version on stable gate run) OR the version of placement the Depends-On in
# the commit message suggests. If you want to run the tests with latest master from
# the placement repo, modify the dep line to point at master, example:
# deps =
#   {[testenv]deps}
#   git+https://opendev.org/openstack/placement#egg=openstack-placement
# If you want to run the test locally with an un-merged placement change,
# modify the dep line to point to your dependency or pip install placement
# into the appropriate tox virtualenv.
# NOTE: We express the requirement here instead of test-requirements
# because we do not want placement present during unit tests.
deps =
  {[testenv]deps}
  openstack-placement>=1.0.0
commands =
# NOTE(gibi): The group-regex runs the matching tests in the same executor.
# These tests runs against a real db instance and in an IO deprived CI VM they tend to time out.
# See bug https://launchpad.net/bugs/1823251 for details.
# By running them in the same executor we can spread the IO load of these tests in time.
# NOTE(gibi): I was not able to group only the mysql tests this way as regex
# TestNovaAPIMigrations.*MySQL does not do what I expect
  stestr --group-regex=nova\.tests\.functional\.db\.api\.test_migrations\.TestNovaAPIMigrations --test-path=./nova/tests/functional run {posargs}
  stestr slowest

[testenv:functional-py36]
description =
  Run functional tests using python3.6.
deps = {[testenv:functional]deps}
commands =
  {[testenv:functional]commands}

[testenv:functional-py37]
description =
  Run functional tests using python3.7.
deps = {[testenv:functional]deps}
commands =
  {[testenv:functional]commands}

[testenv:functional-py38]
description =
  Run functional tests using python3.8.
deps = {[testenv:functional]deps}
commands =
  {[testenv:functional]commands}

[testenv:functional-py39]
description =
  Run functional tests using python3.9.
deps = {[testenv:functional]deps}
commands =
  {[testenv:functional]commands}

[testenv:api-samples]
envdir = {toxworkdir}/functional
setenv =
  {[testenv]setenv}
  GENERATE_SAMPLES=True
  PYTHONHASHSEED=0
deps = {[testenv:functional]deps}
commands =
  stestr --test-path=./nova/tests/functional/api_sample_tests run {posargs}
  stestr slowest

[testenv:genconfig]
envdir = {toxworkdir}/shared
commands =
  oslo-config-generator --config-file=etc/nova/nova-config-generator.conf

[testenv:genpolicy]
envdir = {toxworkdir}/shared
commands =
  oslopolicy-sample-generator --config-file=etc/nova/nova-policy-generator.conf

[testenv:cover]
# TODO(stephenfin): Remove the PYTHON hack below in favour of a [coverage]
# section once we rely on coverage 4.3+
#
# https://bitbucket.org/ned/coveragepy/issues/519/
envdir = {toxworkdir}/shared
setenv =
  {[testenv]setenv}
  PYTHON=coverage run --source nova --parallel-mode
commands =
  coverage erase
  stestr run {posargs}
  coverage combine
  coverage html -d cover
  coverage xml -o cover/coverage.xml
  coverage report

[testenv:debug]
envdir = {toxworkdir}/shared
commands =
  oslo_debug_helper {posargs}

[testenv:venv]
deps =
  {[testenv]deps}
  -r{toxinidir}/doc/requirements.txt
commands =
  {posargs}

[testenv:docs]
description =
  Build main documentation.
# Note that we don't use {[testenv]deps} for deps here because we don't want
# to install (test-)requirements.txt for docs.
deps =
  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
  -r{toxinidir}/doc/requirements.txt
commands =
  rm -rf doc/build/html doc/build/doctrees
  sphinx-build -W --keep-going -b html -j auto doc/source doc/build/html
  # Test the redirects. This must run after the main docs build
  whereto doc/build/html/.htaccess doc/test/redirect-tests.txt

[testenv:pdf-docs]
description =
  Build PDF documentation.
envdir = {toxworkdir}/docs
deps = {[testenv:docs]deps}
commands =
  rm -rf doc/build/pdf
  sphinx-build -W --keep-going -b latex -j auto doc/source doc/build/pdf
  make -C doc/build/pdf

[testenv:api-guide]
description =
  Generate the API guide. Called from CI scripts to test and publish to docs.openstack.org.
envdir = {toxworkdir}/docs
deps = {[testenv:docs]deps}
commands =
  rm -rf api-guide/build
  sphinx-build -W --keep-going -b html -j auto api-guide/source api-guide/build/html

[testenv:api-ref]
description =
  Generate the API ref. Called from CI scripts to test and publish to docs.openstack.org.
envdir = {toxworkdir}/docs
deps = {[testenv:docs]deps}
commands =
  rm -rf api-ref/build
  sphinx-build -W --keep-going -b html -j auto api-ref/source api-ref/build/html

[testenv:releasenotes]
description =
  Generate release notes.
envdir = {toxworkdir}/docs
deps = {[testenv:docs]deps}
commands =
  rm -rf releasenotes/build
  sphinx-build -W --keep-going -b html -j auto releasenotes/source releasenotes/build/html

[testenv:all-docs]
description =
  Build all documentation including API guides and refs.
envdir = {toxworkdir}/docs
deps = {[testenv:docs]deps}
commands =
  {[testenv:docs]commands}
  {[testenv:api-guide]commands}
  {[testenv:api-ref]commands}
  {[testenv:releasenotes]commands}

[testenv:bandit]
# NOTE(browne): This is required for the integration test job of the bandit
# project. Please do not remove.
envdir = {toxworkdir}/shared
commands = bandit -r nova -x tests -n 5 -ll

[flake8]
# E125 is deliberately excluded. See
# https://github.com/jcrocholl/pep8/issues/126. It's just wrong.
#
# Most of the whitespace related rules (E12* and E131) are excluded
# because while they are often useful guidelines, strict adherence to
# them ends up causing some really odd code formatting and forced
# extra line breaks. Updating code to enforce these will be a hard sell.
#
# H405 is another one that is good as a guideline, but sometimes
# multiline doc strings just don't have a natural summary
# line. Rejecting code for this reason is wrong.
#
# E251 Skipped due to https://github.com/jcrocholl/pep8/issues/301
#
# W504 skipped since you must choose either W503 or W504 (they conflict)
#
# E731 temporarily skipped because of the number of
# these that have to be fixed
enable-extensions = H106,H203,H904
ignore = E121,E122,E123,E124,E125,E126,E127,E128,E129,E131,E251,H405,W504,E731,H238
exclude =  .venv,.git,.tox,dist,*lib/python*,*egg,build,releasenotes
# To get a list of functions that are more complex than 25, set max-complexity
# to 25 and run 'tox -epep8'.
# 39 is currently the most complex thing we have
# TODO(jogo): get this number down to 25 or so
max-complexity=40

[hacking]
import_exceptions = typing,nova.i18n

[flake8:local-plugins]
extension =
  N307 = checks:import_no_db_in_virt
  N309 = checks:no_db_session_in_public_api
  N310 = checks:use_timeutils_utcnow
  N311 = checks:import_no_virt_driver_import_deps
  N312 = checks:import_no_virt_driver_config_deps
  N313 = checks:capital_cfg_help
  N316 = checks:assert_true_instance
  N317 = checks:assert_equal_type
  N335 = checks:assert_raises_regexp
  N319 = checks:no_translate_logs
  N337 = checks:no_import_translation_in_tests
  N320 = checks:no_setting_conf_directly_in_tests
  N322 = checks:no_mutable_default_args
  N323 = checks:check_explicit_underscore_import
  N324 = checks:use_jsonutils
  N332 = checks:check_api_version_decorator
  N326 = checks:CheckForTransAdd
  N334 = checks:assert_true_or_false_with_in
  N336 = checks:dict_constructor_with_list_copy
  N338 = checks:assert_equal_in
  N339 = checks:check_http_not_implemented
  N340 = checks:check_greenthread_spawns
  N341 = checks:check_no_contextlib_nested
  N342 = checks:check_config_option_in_central_place
  N350 = checks:check_policy_registration_in_central_place
  N351 = checks:check_policy_enforce
  N343 = checks:check_doubled_words
  N348 = checks:no_os_popen
  N352 = checks:no_log_warn
  N349 = checks:CheckForUncalledTestClosure
  N353 = checks:check_context_log
  N355 = checks:no_assert_equal_true_false
  N356 = checks:no_assert_true_false_is_not
  N357 = checks:check_uuid4
  N358 = checks:return_followed_by_space
  N359 = checks:no_redundant_import_alias
  N360 = checks:yield_followed_by_space
  N361 = checks:assert_regexpmatches
  N362 = checks:privsep_imports_not_aliased
  N363 = checks:did_you_mean_tuple
  N364 = checks:nonexistent_assertion_methods_and_attributes
  N365 = checks:useless_assertion
  N366 = checks:check_assert_has_calls
paths =
  ./nova/hacking

[testenv:bindep]
# Do not install any requirements. We want this to be fast and work even if
# system dependencies are missing, since it's used to tell you what system
# dependencies are missing! This also means that bindep must be installed
# separately, outside of the requirements files, and develop mode disabled
# explicitly to avoid unnecessarily installing the checked-out repo too
usedevelop = False
deps = bindep
commands =
  bindep test

[testenv:lower-constraints]
usedevelop = False
deps =
  -c{toxinidir}/lower-constraints.txt
  -r{toxinidir}/test-requirements.txt
  -r{toxinidir}/requirements.txt