ci: add initial config

.drone.yaml

@@ -0,0 +1,29 @@
+---
+################
+# Test #
+################
+
+kind: pipeline
+name: run_tests
+
+steps:
+
+  # Run tests against Python with pytest
+  - name: engine_test
+    image: python:3.7.2
+    commands:
+      # Install dependencies
+      - pip install -r test_requirements.txt
+      - bash ./tests/run_tests.sh
+    environment:
+      LOGLEVEL: info
+
+    volumes:
+      # Mount pip cache from host
+      - name: pip_cache
+        path: /root/.cache/pip
+
+volumes:
+  - name: pip_cache
+    host:
+      path: /tmp/cache/drone/pip