circle-parallel-tests.sh

#!/bin/sh

# Environment
export ALDO_ENV="test"
export NODE_ENV="test"

# Containers, etc.
CONTAINERS_TOTAL=${CIRCLE_NODE_TOTAL:-"1"}
CONTAINERS_INDEX=${CIRCLE_NODE_INDEX:-"1"}

# Test command to pass test file paths to
MOCHA_CMD="./node_modules/.bin/nyc --check-coverage --statements 0 --lines 0 --functions 0 --branches 0 ./node_modules/.bin/_mocha --opts ./test/mocha.opts"

# Other tasks
TODO_CHECK_CMD="./test/todos-check.sh"
LINT_JS_CMD="npm run test:lint-js"
LINT_CSS_CMD="npm run test:lint-css"

# Test File Listing
LIST_FILES_CMD="find ./src -name *.test.js"

doTodoCheck() {
  echo "--- TODO Check"
  eval $TODO_CHECK_CMD
}

doLintJS() {
  echo "--- Linting (JS)"
  eval $LINT_JS_CMD
}

doLintCSS() {
  echo "--- Linting (CSS)"
  eval $LINT_CSS_CMD
}

doTests() {
  echo "--- Test Batch"
  eval $MOCHA_CMD $@
}

# One container, do everything
if [ "$CONTAINERS_TOTAL" -eq "1" ]; then
  echo "Running Single Container"
  doTodoCheck
  doLintJS
  doLintCSS
  doTests $(eval $LIST_FILES_CMD)
else
  echo "Running Multi Container"
  if [ "$CONTAINERS_INDEX" -eq "0" ]; then
    # First container for linting, etc.
    doTodoCheck
    doLintJS
    doLintCSS
  else
    # All other containers run tests
    TOTAL_TEST_CONTAINERS=$((CONTAINERS_TOTAL - 1))
    CURRENT_TEST_CONTAINER=$((CONTAINERS_INDEX - 1))
    echo "Total containers for testing: ${TOTAL_TEST_CONTAINERS}"
    echo "Running tests for container: $((CURRENT_TEST_CONTAINER + 1)) of ${TOTAL_TEST_CONTAINERS}"
    SPLIT_TESTS=$(eval $LIST_FILES_CMD | awk "NR%${TOTAL_TEST_CONTAINERS}==${CURRENT_TEST_CONTAINER}" | tr "\n" " ")
    doTests $SPLIT_TESTS
  fi
fi