# See CircleCI upstream's docs on this config format:
#   https://circleci.com/docs/2.0/language-python/
#
version: 2
jobs:
  "trusty-python-3.4":
    docker:
      # This is built from tools/circleci/images/trusty/Dockerfile .
      - image: gregprice/circleci:trusty-python-5.test

    working_directory: ~/zulip

    steps:
      - checkout

      - run:
          name: create cache directories
          command: |
              dirs=(/srv/zulip-{npm,venv}-cache)
              sudo mkdir -p "${dirs[@]}"
              sudo chown -R circleci "${dirs[@]}"

      - restore_cache:
          keys:
          - v1-npm-base.trusty-{{ checksum "package.json" }}-{{ checksum "yarn.lock" }}
      - restore_cache:
          keys:
          - v1-venv-base.trusty-{{ checksum "requirements/thumbor.txt" }}-{{ checksum "requirements/dev.txt" }}

      - run:
          name: install dependencies
          command: |
            # Install moreutils so we can use `ts` and `mispipe` in the following.
            sudo apt-get install -y moreutils

            # CircleCI sets the following in Git config at clone time:
            #   url.ssh://git@github.com.insteadOf https://github.com
            # This breaks the Git clones in the NVM `install.sh` we run
            # in `install-node`.
            # TODO: figure out why that breaks, and whether we want it.
            #   (Is it an optimization?)
            rm -f /home/circleci/.gitconfig

            # This is the main setup job for the test suite
            mispipe "tools/travis/setup-backend" ts

            # Cleaning caches is mostly unnecessary in Circle, because
            # most builds don't get to write to the cache.
            # mispipe "scripts/lib/clean-unused-caches --verbose --threshold 0" ts

      - save_cache:
          paths:
            - /srv/zulip-npm-cache
          key: v1-npm-base.trusty-{{ checksum "package.json" }}-{{ checksum "yarn.lock" }}
      - save_cache:
          paths:
            - /srv/zulip-venv-cache
          key: v1-venv-base.trusty-{{ checksum "requirements/thumbor.txt" }}-{{ checksum "requirements/dev.txt" }}
      # TODO: in Travis we also cache ~/zulip-emoji-cache, ~/node, ~/misc

      # The moment of truth!  Run the tests.

      - run:
          name: run backend tests
          command: |
            . /srv/zulip-py3-venv/bin/activate
            mispipe ./tools/travis/backend ts

      - run:
          name: run frontend tests
          command: |
            . /srv/zulip-py3-venv/bin/activate
            mispipe ./tools/travis/frontend ts

      -  run:
          name: upload coverage report
          command: |
            . /srv/zulip-py3-venv/bin/activate
            pip install codecov && codecov \
              || echo "Error in uploading coverage reports to codecov.io."

      # - store_artifacts:  # TODO
      #     path: var/casper/
      #     # also /tmp/zulip-test-event-log/
      #     destination: test-reports

  "xenial-python-3.5":
    docker:
      # This is built from tools/circleci/images/xenial/Dockerfile .
      - image: gregprice/circleci:xenial-python-4.test

    working_directory: ~/zulip

    steps:
      - checkout

      - run:
          name: create cache directories
          command: |
              dirs=(/srv/zulip-{npm,venv}-cache)
              sudo mkdir -p "${dirs[@]}"
              sudo chown -R circleci "${dirs[@]}"

      - restore_cache:
          keys:
          - v1-npm-base.xenial-{{ checksum "package.json" }}-{{ checksum "yarn.lock" }}
      - restore_cache:
          keys:
          - v1-venv-base.xenial-{{ checksum "requirements/thumbor.txt" }}-{{ checksum "requirements/dev.txt" }}

      - run:
          name: install dependencies
          command: |
            sudo apt-get update
            sudo apt-get install -y moreutils
            rm -f /home/circleci/.gitconfig
            mispipe "tools/travis/setup-backend" ts

      - save_cache:
          paths:
            - /srv/zulip-npm-cache
          key: v1-npm-base.xenial-{{ checksum "package.json" }}-{{ checksum "yarn.lock" }}
      - save_cache:
          paths:
            - /srv/zulip-venv-cache
          key: v1-venv-base.xenial-{{ checksum "requirements/thumbor.txt" }}-{{ checksum "requirements/dev.txt" }}

      - run:
          name: run backend tests
          command: |
            . /srv/zulip-py3-venv/bin/activate
            mispipe ./tools/travis/backend ts

      -  run:
          name: upload coverage report
          command: |
            . /srv/zulip-py3-venv/bin/activate
            pip install codecov && codecov \
              || echo "Error in uploading coverage reports to codecov.io."

  "bionic-python-3.6":
    docker:
      # This is built from tools/circleci/images/bionic/Dockerfile .
      - image: gregprice/circleci:bionic-python-1.test

    working_directory: ~/zulip

    steps:
      - checkout

      - run:
          name: create cache directories
          command: |
              dirs=(/srv/zulip-{npm,venv}-cache)
              sudo mkdir -p "${dirs[@]}"
              sudo chown -R circleci "${dirs[@]}"
              # Temporary hack till `sudo service redis-server start` gets fixes in Bionic. See
              # https://chat.zulip.org/#narrow/stream/3-backend/topic/Ubuntu.20bionic.20CircleCI
              redis-server --daemonize yes

      - restore_cache:
          keys:
          - v1-npm-base.bionic-{{ checksum "package.json" }}-{{ checksum "yarn.lock" }}
      - restore_cache:
          keys:
          - v1-venv-base.bionic-{{ checksum "requirements/thumbor.txt" }}-{{ checksum "requirements/dev.txt" }}

      - run:
          name: install dependencies
          command: |
            sudo apt-get update
            sudo apt-get install -y moreutils
            rm -f /home/circleci/.gitconfig
            mispipe "tools/travis/setup-backend" ts

      - save_cache:
          paths:
            - /srv/zulip-npm-cache
          key: v1-npm-base.bionic-{{ checksum "package.json" }}-{{ checksum "yarn.lock" }}
      - save_cache:
          paths:
            - /srv/zulip-venv-cache
          key: v1-venv-base.bionic-{{ checksum "requirements/thumbor.txt" }}-{{ checksum "requirements/dev.txt" }}

      - run:
          name: run backend tests
          command: |
            . /srv/zulip-py3-venv/bin/activate
            mispipe ./tools/travis/backend ts

      -  run:
          name: upload coverage report
          command: |
            . /srv/zulip-py3-venv/bin/activate
            pip install codecov && codecov \
              || echo "Error in uploading coverage reports to codecov.io."


workflows:
  version: 2
  build:
    jobs:
      - "trusty-python-3.4"
      - "xenial-python-3.5"
      - "bionic-python-3.6"