test on python 2 & 3

Author: harlev

.circleci/config.yml

@@ -4,7 +4,7 @@
 #
 version: 2
 jobs:
-  build:
+  build_3:
     docker:
       # specify the version you desire here
       # use `-browsers` prefix for selenium tests, e.g. `3.6.1-browsers`
@@ -53,3 +53,60 @@ jobs:
       - store_artifacts:
           path: test-reports
           destination: test-reports
+          
+  build_2:
+    docker:
+      # specify the version you desire here
+      # use `-browsers` prefix for selenium tests, e.g. `3.6.1-browsers`
+      - image: circleci/python:2.7
+
+      # Specify service dependencies here if necessary
+      # CircleCI maintains a library of pre-built images
+      # documented at https://circleci.com/docs/2.0/circleci-images/
+      # - image: circleci/postgres:9.4
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "requirements.txt" }}
+            # fallback to using the latest cache if no exact match is found
+            - v1-dependencies-
+
+      - run:
+          name: install dependencies
+          command: |
+            python3 -m venv venv
+            . venv/bin/activate
+            pip install -r requirements.txt
+
+      - save_cache:
+          paths:
+            - ./venv
+          key: v1-dependencies-{{ checksum "requirements.txt" }}
+
+      # run tests!
+      # this example uses Django's built-in test-runner
+      # other common Python testing frameworks include pytest and nose
+      # https://pytest.org
+      # https://nose.readthedocs.io
+      - run:
+          name: run tests
+          command: |
+            . venv/bin/activate
+            python -m unittest discover -s ./tests
+
+      - store_artifacts:
+          path: test-reports
+          destination: test-reports
+          
+workflows:
+   version: 2
+   python_versions:
+     jobs:
+       - build_3
+       - build_2