circle_parallel

#!/usr/bin/env bash

set -e -u -x

# Always run the lint tests on the first node (since these are quick and only
# need to be run on a single node).
if [ "$CIRCLE_NODE_INDEX" -eq "0" ]; then
  make lint
fi

# Split up the tests between the available CI testing nodes.
#
# Our Rails tests will run on one node. The rest of our gatekeeper and
# integration tests will be split up among the remaining nodes.
#
# See: https://circleci.com/docs/parallel-manual-setup

# If we have multiple test node, split the tests among all the nodes except the
# first (the first is dedicated to the Rails tests).
#
# If we don't have multiple nodes, run all the tests on the single node
if [ "$CIRCLE_NODE_INDEX" -gt "0" ] || [ "$CIRCLE_NODE_TOTAL" -lt "2" ]; then
  mocha_node_total="$CIRCLE_NODE_TOTAL"
  mocha_node_index="$CIRCLE_NODE_INDEX"

  if [ "$CIRCLE_NODE_TOTAL" -gt "1" ]; then
    # Subtract 1 from the totals available, since the first is being used only
    # for Rails.
    ((mocha_node_total=mocha_node_total-1)) || true
    ((mocha_node_index=mocha_node_index-1)) || true
  fi

  # Split the test files into even groups depending on how many nodes are
  # available.
  index=0
  node_files=()
  for test_file in $(cd test && find ./server ./integration -name "*.js" | sort); do
    if [ $((index % mocha_node_total)) -eq $mocha_node_index ]; then
      node_files+=("$test_file")
    fi
    ((index=index+1)) || true
  done

  # Run the integration/gatekeeper tests.
  make test-proxy MOCHA_FILES="${node_files[*]}"

  # Also run the analytics specific proxy tests against Elasticsearch v2 for
  # compatibility.
  last_node=$((CIRCLE_NODE_TOTAL-1))
  if [ "$CIRCLE_NODE_INDEX" -eq "$last_node" ]; then
    API_UMBRELLA_CONFIG="test/config/test.yml:test/config/test_elasticsearch2.yml" ./test/node_modules/.bin/mocha test/integration/logging.js
  fi
fi

# Run the Rails tests on the first node.
if [ "$CIRCLE_NODE_INDEX" -eq "0" ]; then
  make test-web-app

  # Also run the analytics specific web tests against Elasticsearch v2 for
  # compatibility.
  cd src/api-umbrella/web-app && \
    env \
    PATH="../../../build/work/stage/opt/api-umbrella/embedded/bin:$PATH" \
    INTEGRATION_TEST_SUITE=true \
    PRECOMPILE_TEST_ASSETS=false \
    API_UMBRELLA_CONFIG="../../../test/config/test.yml:../../../test/config/test_elasticsearch2.yml" \
    bundle exec rspec \
    spec/controllers/admin/stats_controller_spec.rb \
    spec/controllers/api/v1/analytics_controller_spec.rb
fi