Adding test instructions to circleci.

.circleci/config.yml

@@ -9,14 +9,24 @@ jobs:
     # Specify the execution environment. You can specify an image from Dockerhub or use one of our Convenience Images from CircleCI's Developer Hub.
     # See: https://circleci.com/docs/2.0/configuration-reference/#docker-machine-macos-windows-executor
     docker:
-      - image: cimg/base:stable
+      - image: cimg/python:3.8
+    environment:
+      DATABASE_URL: postgresql://postgres@localhost/wrolpi?sslmode=disable
+        - image: cimg/postgres:12.0
     # Add steps to the job
     # See: https://circleci.com/docs/2.0/configuration-reference/#steps
     steps:
       - checkout
       - run:
-          name: "Say hello"
-          command: "echo Hello, World!"
+          command: "pip install -r requirements.txt"
+      - run:
+          command: 'pytest -svv wrolpi modules'
+      - save_cache:
+          key: deps9-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
+          paths:
+            - ".venv"
+            - "/usr/local/bin"
+            - "/usr/local/lib/python3.6/site-packages"
 
 # Invoke jobs via workflows
 # See: https://circleci.com/docs/2.0/configuration-reference/#workflows