posthog/.github/workflows/ci-backend.yml

name: Backend CI

on:
    - pull_request

jobs:
    code-quality:
        name: Code quality checks
        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', '**/requirements/dev.txt') }}
                  restore-keys: |
                      ${{ runner.os }}-pip-                      

            - name: Install Python dependencies with pip
              run: |
                  python -m pip install -U pip
                  python -m pip install -r requirements.txt
                  python -m pip install -r requirements/dev.txt                  
              if: steps.cache.outputs.cache-hit != 'true'

            - name: Check formatting with black
              run: |
                  black -l 120 --check .                  

            - name: Lint with flake8
              run: |
                  # 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
                  flake8 . --count --exit-zero --max-complexity=10 --max-line-length=120 --statistics                  

            - name: Typecheck
              env:
                  SECRET_KEY: '6b01eee4f945ca25045b5aab440b953461faf08693a9abbf1166dc7c6b9772da' # unsafe - for testing only
                  DATABASE_URL: 'postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres'
                  REDIS_URL: 'redis://localhost'
              run: |
                  mypy posthog                  

    django:
        name: Django tests
        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 requirements.txt dependencies with pip
              run: |
                  python -m pip install --upgrade pip
                  python -m pip install -r requirements.txt
                  python -m pip install freezegun                  
              if: steps.cache.outputs.cache-hit != 'true'

            - name: Check migrations
              env:
                  SECRET_KEY: '6b01eee4f945ca25045b5aab440b953461faf08693a9abbf1166dc7c6b9772da' # unsafe - for testing only
                  DATABASE_URL: 'postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres'
                  REDIS_URL: 'redis://localhost'
              run: python manage.py makemigrations --check --dry-run

            - name: Run tests
              env:
                  SECRET_KEY: '6b01eee4f945ca25045b5aab440b953461faf08693a9abbf1166dc7c6b9772da' # unsafe - for testing only
                  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
                  touch frontend/dist/shared_dashboard.html
                  python manage.py test --keepdb -v 2