--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+[tox]
+skipsdist = True
+envlist = unit, lint
+sitepackages = False
+skip_missing_interpreters = False
+
+[testenv]
+basepython = python3
+setenv =
+ PYTHONHASHSEED=0
+ PYTHONPATH = {toxinidir}/src
+ CHARM_NAME = lcm
+
+[testenv:build]
+passenv=HTTP_PROXY HTTPS_PROXY NO_PROXY
+whitelist_externals =
+ charmcraft
+ rm
+ unzip
+commands =
+ rm -rf release lcm.charm
+ charmcraft build
+ unzip lcm.charm -d release
+
+[testenv:unit]
+commands =
+ coverage erase
+ stestr run --slowest --test-path=./tests --top-dir=./
+ coverage combine
+ coverage html -d cover
+ coverage xml -o cover/coverage.xml
+ coverage report
+deps =
+ coverage
+ stestr
+ mock
+ ops
+ pydantic
+setenv =
+ {[testenv]setenv}
+ PYTHON=coverage run
+
+[testenv:lint]
+deps =
+ black
+ yamllint
+ flake8
+commands =
+ black --check --diff . --exclude "build/|.tox/|mod/|lib/"
+ yamllint .
+ flake8 . --max-line-length=100 --ignore="E501,W503,W504,F722" --exclude "build/ .tox/ mod/ lib/"
+
+[coverage:run]
+branch = True
+concurrency = multiprocessing
+parallel = True
+source =
+ .
+omit =
+ .tox/*
+ tests/*