CirclecCI config to support React Native development. Run tests and verify builds of androdi

.circleci_config.yml

# Ruby CircleCI 2.0 configuration file
#
# Check https://circleci.com/docs/2.0/language-ruby/ for more details
# https://circleci.com/docs/2.0/configuration-reference
version: 2
jobs:
  android:
    working_directory: ~/project/android
    docker:
      - image: circleci/android:api-29-node
    steps:
      - checkout:
          path: ~/project

      - attach_workspace:
          at: ~/project

      - restore_cache:
          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}

      - run:
          name: Download Dependencies
          command: ./gradlew androidDependencies

      - save_cache:
          paths:
            - ~/.gradle
          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}

      - run:
          name: Build debug APK and release APK
          command: |
            (cd .. && ./node_modules/.bin/jetifier)
            ./gradlew :app:bundleRelease
      - run:
          name: Run Tests
          command: ./gradlew test

  test:
    docker:
      - image: circleci/node:10-browsers
    steps:
      - checkout
      - restore_cache:
          keys:
            - yarn-packages-v1-{{ .Branch }}-{{ checksum "yarn.lock" }}
            - yarn-packages-v1-{{ .Branch }}-
            - yarn-packages-v1-

      - run:
          name: Yarn install
          command: yarn install

      - save_cache:
          paths:
            - ~/.cache/yarn
          key: yarn-packages-v1-{{ .Branch }}-{{ checksum "yarn.lock" }}

      - run:
          name: Jest Tests with coverage
          command: |
            yarn test  --ci --runInBand --reporters=default --reporters=jest-junit --coverage --coverageDirectory=reports/coverage
          environment:
            JEST_JUNIT_OUTPUT: "reports/junit/js-test-results.xml"
      - store_artifacts:
          path: reports/coverage

      - persist_to_workspace:
          root: ~/project
          paths:
            - node_modules
workflows:
  version: 2
  build_and_test:
    jobs:
      - test
      - approve_android_build:
          type: approval
          requires:
            - test
          filters:
            branches:
              only:
                - master
                - production
                - staging
                - develop
      - android:
          requires:
          - approve_android_build