name: E2E

on:
    - pull_request

jobs:
    cypress:
        name: Cypress E2E tests
        runs-on: ubuntu-18.04
        if: ${{ github.actor != 'posthog-contributions-bot[bot]' }}

        strategy:
            # when one test fails, DO NOT cancel the other
            # containers, because this will kill Cypress processes
            # leaving the Dashboard hanging ...
            # https://github.com/cypress-io/github-action/issues/48
            fail-fast: false
            matrix:
                # run 7 copies of the current job in parallel
                containers: [1, 2, 3, 4, 5, 6, 7]
        services:
            postgres:
                image: postgres:12
                env:
                    POSTGRES_USER: postgres
                    POSTGRES_PASSWORD: postgres
                    POSTGRES_DB: postgres
                ports:
                    # Maps port 5432 on service container to the host
                    # Needed because `postgres` host is not discoverable for some reason
                    - 5432:5432
                options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
            redis:
                image: redis
                ports:
                    # Maps port 6379 on service container to the host
                    # Needed because `redis` host is not discoverable for some reason
                    - 6379:6379
                options: >-
                    --health-cmd "redis-cli ping"
                    --health-interval 10s
                    --health-timeout 5s
                    --health-retries 5
        steps:
            - name: Checkout
              uses: actions/checkout@v1
            - name: Set up Python 3.8
              uses: actions/setup-python@v2
              with:
                  python-version: 3.8
            - uses: syphar/restore-virtualenv@v1
              id: cache-virtualenv
              with:
                  requirement_files: requirements.txt # this is optional
            - uses: syphar/restore-pip-download-cache@v1
              if: steps.cache-virtualenv.outputs.cache-hit != 'true'
            - name: Install python dependencies
              if: steps.cache-virtualenv.outputs.cache-hit != 'true'
              run: |
                  python -m pip install --upgrade pip
                  python -m pip install $(grep -ivE "psycopg2" requirements.txt | cut -d'#' -f1) --no-cache-dir --compile
                  python -m pip install psycopg2-binary --no-cache-dir --compile
            - uses: actions/setup-node@v1
              with:
                  node-version: 14
            - uses: actions/cache@v2
              id: cypress-node-modules-cache
              with:
                  path: |
                      **/node_modules
                  key: ${{ runner.os }}-cypress-node-modules-${{ hashFiles('**/yarn.lock') }}
                  restore-keys: |
                      ${{ runner.os }}-cypress-node-modules
            - name: Yarn install deps
              if: steps.cypress-node-modules-cache.outputs.cache-hit != 'true'
              run: |
                  yarn install --frozen-lockfile
            - uses: actions/cache@v2
              id: cypress-cache
              with:
                  path: |
                      ~/.cache/Cypress
                      **/node_modules/cypress
                      **/node_modules/cypress-terminal-report
                      **/node_modules/@cypress
                  key: ${{ runner.os }}-cypress-6.7.0
            - name: Install cypress
              if: steps.cypress-cache.outputs.cache-hit != 'true'
              run: |
                  yarn add cypress@6.7.0 cypress-terminal-report@2.1.0 @cypress/react@4.16.4 @cypress/webpack-preprocessor@5.7.0
            - uses: actions/cache@v1
              name: Setup Yarn build cache
              id: yarn-build-cache
              with:
                  path: frontend/dist
                  key: ${{ runner.os }}-yarn-build-${{ hashFiles('frontend/src/') }}
                  restore-keys: |
                      ${{ runner.os }}-yarn-build-
            - name: Yarn build
              if: steps.yarn-build-cache.outputs.cache-hit != 'true'
              run: |
                  yarn build
            - name: Boot PostHog
              env:
                  SECRET_KEY: '6b01eee4f945ca25045b5aab440b953461faf08693a9abbf1166dc7c6b9772da' # unsafe - for testing only
                  REDIS_URL: 'redis://localhost'
                  DATABASE_URL: 'postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres'
                  DISABLE_SECURE_SSL_REDIRECT: 1
                  SECURE_COOKIES: 0
                  OPT_OUT_CAPTURE: 1
                  SELF_CAPTURE: 0
                  E2E_TESTING: 1
              run: |
                  python manage.py collectstatic --noinput &
                  ./bin/docker-migrate & wait
                  python manage.py setup_dev
                  mkdir -p cypress/screenshots
                  ./bin/docker-worker &
                  ./bin/docker-server &
            - name: Cypress run
              uses: cypress-io/github-action@v2
              with:
                  config-file: cypress.e2e.json
                  record: true
                  parallel: true
                  group: 'PostHog Frontend'
                  # We're already installing cypress above
                  # We have to install it separately otherwise the tests fail.
                  install: false
                  # We already install cypress separately, we don't need to install it again here
                  install-command: echo "no"
              env:
                  # pass the Dashboard record key as an environment variable
                  CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
                  # Recommended: pass the GitHub token lets this action correctly
                  # determine the unique run id necessary to re-run the checks
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
            - name: Archive test screenshots
              uses: actions/upload-artifact@v1
              with:
                  name: screenshots
                  path: cypress/screenshots
              if: ${{ failure() }}