unit_tests.yml

name: Run Backend Unit Tests

on:
  workflow_dispatch:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
    branches:
      - "main"

concurrency:
  # Cancel previous jobs
  group: unit_tests-${{ github.ref }}
  cancel-in-progress: true

jobs:
  backend-unit-tests:
    runs-on: ubuntu-latest
    environment: testing_env
    env:
      TEST_DATABASE_URL: "postgres://postgres:postgres@localhost:5432/test_metaculus"
    services:
      db:
        image: pgvector/pgvector:pg16
        env:
          POSTGRES_HOST_AUTH_METHOD: trust
          POSTGRES_DB: test_metaculus
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      redis:
        image: "bitnami/redis:7.2.5"
        env:
          ALLOW_EMPTY_PASSWORD: yes
        ports:
          - 6379:6379
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12.3"
      - name: Install poetry
        uses: snok/install-poetry@v1
        with:
          virtualenvs-create: true
          installer-parallel: true
          virtualenvs-in-project: true
      - name: Load cached venv
        id: cached-poetry-dependencies
        uses: actions/cache@v4
        with:
          path: .venv
          key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
      - name: Install dependencies
        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
        run: poetry install --no-interaction --no-root
      - name: Run Flake8 Linter
        if: ${{ !cancelled() }}
        run: poetry run flake8 . --exclude=front_end,.venv
      - name: Check migrations
        if: ${{ !cancelled() }}
        run: poetry run python manage.py makemigrations --dry-run --check
      - name: "Run he backend unit tests"
        if: ${{ !cancelled() }}
        run: poetry run pytest ./tests/unit