language: node_js os: - linux node_js: - "10" - "8" - "6" before_install: - 'nvm install-latest-npm' script: - 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi' - 'if [ -n "${POSTTEST-}" ]; then npm run posttest ; fi' - 'if [ -n "${COVERAGE-}" ]; then npm run coverage ; fi' - 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi' sudo: false env: - TEST=true matrix: fast_finish: true include: - node_js: "node" env: PRETEST=true allow_failures: - os: osx - env: TEST=true ALLOW_FAILURE=true