name: CI

on: [pull_request]

jobs:

  test:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:12
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: postgres
        ports: ['5432:5432']
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    steps:
      - uses: actions/checkout@v1
        with:
          fetch-depth: 1

      - name: Set up Python 3.7
        uses: actions/setup-python@v1
        with:
          python-version: 3.7

      - uses: actions/cache@v1
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install -r requirements.txt
        if: steps.cache.outputs.cache-hit != 'true'
      - name: Lint with flake8
        run: |
          pip install -r requirements/dev.txt
          # stop the build if there are Python syntax errors or undefined names
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
      - name: Run tests
        env:
          DATABASE_URL: 'postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres'
        run: |
          mkdir -p frontend/dist
          touch frontend/dist/index.html
          touch frontend/dist/layout.html
          python manage.py test --keepdb -v 2
      - name: Typechecking
        env:
          DATABASE_URL: 'postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres'
          REDIS_URL: 'redis://localhost'
        run: |
          mypy posthog