.travis.yml

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# DEPRECATED
# Previously we used travis-ci for all builds, but now use circlci
# Code is retained mostly for reference and will likely need updates in needed again in future
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language: node_js
node_js:
  - "12"
dist: xenial
cache:
  # cache yarn cache and cypress binary
  yarn: true
  directories:
    - ./.yarn/cache
    - ~/.cache
addons:
  chrome: stable
  firefox: latest
  apt:
    packages:
      # Required for cypress parallel tests
      - libgconf-2-4
branches:
  only:
    - master
    - production
env:
  # cy - use firefox in headless mode for CI
  - global:
      - DEBUG=True
      - MOZ_HEADLESS=1
install:
  # fix ENOSPC: System limit for number of file wathcers reached bug
  - echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
  - yarn install --immutable
# add the current github branch as an environment variable
before_script:
  - echo "MATRIX=$MATRIX_VAR"
  - export REACT_APP_BRANCH=$TRAVIS_BRANCH
  - echo "REACT_APP_BRANCH=$REACT_APP_BRANCH"
  - export CI_BUILD_ID=$TRAVIS_BUILD_ID
  - echo "CI_BUILD_ID=$CI_BUILD_ID"

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# E2E Tests (cypress)
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# create common test script to be triggered by test jobs
# see https://docs.travis-ci.com/user/build-matrix/#job-uniqueness-and-duplicate-jobs
# and https://medium.com/@tommyvn/travis-yml-dry-with-anchors-8b6a3ac1b027
_test_defaults: &_test_defaults
  if: (branch = master OR branch = production) AND type = push
  # Skip tests on PRs (currently handled by circleci)
  script:
    - echo "group=$CI_GROUP browser=$CI_BROWSER"
    - export TZ=UTC
    # A bit ugly to look into, but this starts the platform server with ci environment variables,
    # waits until it's fully responsive, and then executes cypress tests for a given browser and parallel node
    # see https://docs.cypress.io/guides/guides/parallelization.html
    - npm run test ci
    # to kill all background jobs (like "npm start &")
    - kill $(jobs -p) || true
# Create common predeploy steps which can be included as part of other deploy scripts (data not persisted between jobs otherwise)
_predeploy_defaults: &_predeploy_defaults
  - npm run build
  - npm install -g firebase-tools
  - export FIREBASE_TOKEN=$(if [ "$TRAVIS_BRANCH" == "production" ]; then echo "$FIREBASE_PRODUCTION_TOKEN"; else echo "$FIREBASE_STAGING_TOKEN"; fi)
# Jobs run in parallel, so split chrome and firefox tests running each across 2 machines.
# CI_NODE var just ensures job env unique (otherwise won't run), others are passed to default script

jobs:
  include:
    # Test - Run 4 test stages in parallel
    # TODO - possibly create a single build before test and use for tests and deploy
    # (might be tricky: https://docs.travis-ci.com/user/build-stages/#data-persistence-between-stages-and-jobs)
    - stage: Test
      env:
        - CI_GROUP=2x-chrome
        - CI_BROWSER=chrome
        - CI_NODE=0
      <<: *_test_defaults
    - env:
        - CI_GROUP=2x-chrome
        - CI_BROWSER=chrome
        - CI_NODE=1
      <<: *_test_defaults
    - env:
        - CI_GROUP=2x-firefox
        - CI_BROWSER=firefox
        - CI_NODE=0
      <<: *_test_defaults
    - env:
        - CI_GROUP=2x-firefox
        - CI_BROWSER=firefox
        - CI_NODE=1
      <<: *_test_defaults
    # Note, Travis jobs combined with regular stage scripts below
    # Deploy - Firebase deployment to dev/prod depending on branch on push (not PR)
    - stage: Deploy Dev
      if: branch = master AND type = push
      script:
        # Note - syntax different from above as merging into array instead of creating key:value
        - *_predeploy_defaults
        - bash scripts/deploy.dev.sh
    - stage: Deploy Production
      if: branch = production AND type = push
      script:
        - *_predeploy_defaults
        - bash scripts/deploy.prod.sh