Add a tox.ini file and ignore the generated .tox folder

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

.gitignore

@@ -6,6 +6,9 @@
 # Visual Studio Code configuration
 /.vscode
 
+# tox related files
+.tox/
+
 # Coverage related
 /htmlcov/
 /.coverage

README.rst

@@ -80,3 +80,19 @@ Follow these simples steps:
 ::
 
     PYTHONPATH=. fedora-messaging --conf=toddlers.toml consume
+
+
+How to run the tests?
+---------------------
+
+* Simply install:
+
+::
+
+    dnf install python3-tox
+
+* And run the tests:
+
+::
+
+    tox .

setup.cfg

@@ -9,4 +9,4 @@ application-import-names = toddlers
 import-order-style = google
 
 [tool:pytest]
-addopts = --cov-config .coveragerc --cov=toddlers --cov-report term --cov-report xml --cov-report html
+addopts = --cov-config .coveragerc --cov=toddlers --cov-report=term-missing --cov-report xml --cov-report html

tox.ini

@@ -0,0 +1,29 @@
+[tox]
+envlist = py36,py37,py38,black,flake8
+# If the user is missing an interpreter, don't fail
+skip_missing_interpreters = True
+skipsdist = True
+
+[testenv]
+deps =
+    pytest
+    pytest-cov
+    koji
+    fedora_messaging
+    requests
+setenv =
+    PYTHONPATH={toxinidir}
+commands =
+    pytest tests/
+
+[testenv:black]
+deps =
+    black
+commands =
+    black --check --diff .
+
+[testenv:flake8]
+deps =
+    flake8
+commands =
+    flake8 toddlers/