version: 2.0

jobs:
  build:
    docker:
      - image: circleci/python:3.6.1
    working_directory: ~/repo

    steps:
      - checkout

      - restore_cache:
          keys:
          - v1-dependencies-{{ checksum "ml-agents/setup.py" }}
          # 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 --upgrade pip
            pip install --upgrade setuptools
            cd ml-agents-envs && pip install -e .
            cd ../ml-agents && pip install -e .
            pip install pre-commit pytest-cov==2.6.1
            cd ../gym-unity && pip install -e .

      - save_cache:
          paths:
            - ./venv
          key: v1-dependencies-{{ checksum "ml-agents/setup.py" }}

      - run:
          name: Run Tests for ml-agents and gym_unity
          command: |
            . venv/bin/activate
            mkdir test-reports
            pytest --cov=ml-agents --cov=ml-agents-envs --cov=gym-unity --cov-report html --junitxml=test-reports/junit.xml -p no:warnings

      - run:
          name: Check Code Style using pre-commit
          command: |
            . venv/bin/activate
            pre-commit run --show-diff-on-failure --all-files

      - run:
          name: Verify there are no hidden/missing metafiles.
          # Renaming files or deleting files can leave metafiles behind that makes Unity very unhappy.
          command: |
            . venv/bin/activate
            python utils/validate_meta_files.py

      - store_test_results:
          path: test-reports

      - store_artifacts:
          path: test-reports
          destination: test-reports

      - store_artifacts:
          path: htmlcov
          destination: htmlcov