Install test deps only when needed

.github/workflows/test.yml

@@ -0,0 +1,19 @@
+name: Test
+
+on:
+    - push
+    - pull_request
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - name: Setup Python
+              uses: actions/setup-python@v1
+              with:
+                  python-version: 3.7
+            - name: Install and run Tox
+              run: pip install tox
+            - name: Run Tox
+              run: tox -e py -c netkan

.gitignore

@@ -5,3 +5,5 @@
 /pr_tester
 __pycache__
 .mypy_cache/
+.eggs
+.tox

netkan/Dockerfile

@@ -3,11 +3,9 @@ RUN useradd -ms /bin/bash netkan
 ADD . /netkan
 WORKDIR /netkan
 RUN pip install pip --upgrade
-RUN pip install mypy
 RUN chown -R netkan:netkan /netkan
 USER netkan
 RUN pip install --user . --no-warn-script-location --force-reinstall
-RUN mypy .
 RUN python -m unittest -v
 
 FROM python:3.7 as production
@@ -29,7 +27,6 @@ RUN chown -R netkan:netkan /netkan
 ADD run_dev.sh /usr/local/bin/
 USER netkan
 RUN pip install --user /netkan/.[development]
-RUN pip install --user /netkan/.[test]
 ENTRYPOINT ["/usr/local/bin/run_dev.sh"]
 
 FROM production

netkan/setup.py

@@ -38,9 +38,6 @@
             'pylint',
             'autopep8',
             'troposphere',
-        ],
-        'test': [
-            'mypy',
         ]
     },
 )

netkan/tox.ini

@@ -0,0 +1,8 @@
+[tox]
+envlist = py
+
+[testenv]
+deps = mypy
+commands =
+    python -m unittest -v
+    mypy .