[tox]
minversion = 3.1.1
envlist = py{27,36,37},functional,pep8
# Automatic envs (pyXX) will use the python version appropriate to that
# env and ignore basepython inherited from [testenv]. That's what we
# want, and we don't need to be warned about it.
ignore_basepython_conflict = True

[testenv]
basepython = python3
usedevelop = True
whitelist_externals =
  bash
  find
  rm
  env
install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
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
# TODO(stephenfin): Remove psycopg2 when minimum constraints is bumped to 2.8
  PYTHONWARNINGS = ignore::UserWarning:psycopg2
deps = -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.

[testenv:py27]
commands =
  stestr run {posargs}
  env TEST_OSPROFILER=1 stestr run --combine --no-discover 'nova.tests.unit.test_profiler'
  stestr slowest

[testenv:py36]
commands =
  stestr run {posargs}
  env TEST_OSPROFILER=1 stestr run --combine --no-discover 'nova.tests.unit.test_profiler'

[testenv:py37]
commands =
  {[testenv:py36]commands}

[testenv:pep8]
description =
  Run style checks.
envdir = {toxworkdir}/shared
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'

[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]
# TODO(melwitt): This can be removed when functional tests are gating with
# python 3.x
# NOTE(cdent): For a while, we shared functional virtualenvs with the unit
# tests, to save some time. However, this conflicts with tox siblings in zuul,
# and we need siblings to make testing against master of other projects work.
basepython = python2.7
setenv = {[testenv]setenv}
# As nova functional tests import the PlacementFixture from the placement
# repository these tests are, by default, set up to run with latest master from
# the placement repo. In the gate, Zuul will clone the latest master from
# placement OR the version of placement the Depends-On in the commit message
# suggests. If you want to run the test locally with an un-merged placement
# change, modify this line locally to point to your dependency or pip install
# placement into the appropriate tox virtualenv. We express the requirement
# here instead of test-requirements because we do not want placement present
# during unit tests.
deps =
  -r{toxinidir}/test-requirements.txt
  git+https://git.openstack.org/openstack/placement#egg=openstack-placement
commands =
# NOTE(cdent): The group_regex describes how stestr will group tests into the
# same process when running concurently. The following ensures that gabbi tests
# coming from the same YAML file are all in the same process. This is important
# because each YAML file represents an ordered sequence of HTTP requests. Note
# that tests which do not match this regex will not be grouped in any
# special way. See the following for more details.
# http://stestr.readthedocs.io/en/latest/MANUAL.html#grouping-tests
# https://gabbi.readthedocs.io/en/latest/#purpose
  stestr --test-path=./nova/tests/functional --group_regex=nova\.tests\.functional\.api\.openstack\.placement\.test_placement_api(?:\.|_)([^_]+) run {posargs}
  stestr slowest

# TODO(gcb) Merge this into [testenv:functional] when functional tests are gating
# with python 3
[testenv:functional-py36]
basepython = python3.6
setenv = {[testenv]setenv}
deps = {[testenv:functional]deps}
commands =
  {[testenv:functional]commands}

[testenv:functional-py37]
basepython = python3.7
setenv = {[testenv]setenv}
deps = {[testenv:functional]deps}
commands =
  {[testenv:functional]commands}

[testenv:api-samples]
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:genplacementpolicy]
envdir = {toxworkdir}/shared
commands =
  oslopolicy-sample-generator --config-file=etc/nova/placement-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 =
  -r{toxinidir}/requirements.txt
  -r{toxinidir}/test-requirements.txt
  -r{toxinidir}/doc/requirements.txt
commands =
  {posargs}

[testenv:docs]
description =
  Build main documentation.
deps = -r{toxinidir}/doc/requirements.txt
commands =
  rm -rf doc/build
  # 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'
  sphinx-build -W -b html -d doc/build/doctrees 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:api-guide]
description =
  Generate the API guide. Called from CI scripts to test and publish to developer.openstack.org.
envdir = {toxworkdir}/docs
deps = {[testenv:docs]deps}
commands =
  rm -rf api-guide/build
  sphinx-build -W -b html -d api-guide/build/doctrees api-guide/source api-guide/build/html

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

[testenv:all-docs]
description =
  Build all documentation including API guides and refs.
envdir = {toxworkdir}/docs
deps = -r{toxinidir}/doc/requirements.txt
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)
#
# W503, W605, E731, and E741 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,W605,W503,E731,E741
exclude =  .venv,.git,.tox,dist,*lib/python*,*egg,build,tools/xenserver*,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]
local-check-factory = nova.hacking.checks.factory
import_exceptions = nova.i18n

[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 (this
# further relies on "tox.skipsdist = True" above).
usedevelop = False
deps = bindep
commands =
  bindep test

[testenv:lower-constraints]
# We need our own install command to avoid upper constraints being considered
# when making the environment. Set usedevelop to false to avoid pbr installing
# requirements for us so all requirements are installed in one call to pip.
usedevelop = False
install_command = pip install {opts} {packages}
deps =
  -c{toxinidir}/lower-constraints.txt
  -r{toxinidir}/test-requirements.txt
  -r{toxinidir}/requirements.txt
commands =
  stestr run {posargs}