pool:
  vmImage: 'vs2017-win2016'

variables:
  NEXT_TELEMETRY_DISABLED: '1'
  YARN_CACHE_FOLDER: $(Pipeline.Workspace)/.yarn

strategy:
  maxParallel: 10
  matrix:
    node-10-1:
      group: 1/4
      node_version: ^10.10.0
    node-10-2:
      group: 2/4
      node_version: ^10.10.0
    node-10-3:
      group: 3/4
      node_version: ^10.10.0
    node-10-4:
      group: 4/4
      node_version: ^10.10.0

steps:
  - task: NodeTool@0
    inputs:
      versionSpec: $(node_version)
    displayName: 'Install Node.js'

  - task: CacheBeta@0
    inputs:
      key: yarn | $(Agent.OS) | yarn.lock
      path: $(YARN_CACHE_FOLDER)
    displayName: Cache Yarn packages

  - script: |
      yarn --frozen-lockfile --check-files
    displayName: 'Install dependencies'

  - script: |
      node run-tests.js -c 2 -g $(group)
    displayName: 'Run tests'