unit-test.template.yml

parameters:
- name: YARN_CACHE_FOLDER
  type: string
  default: $(Build.SourcesDirectory)/node_modules

steps:
  - task: Cache@2
    inputs:
      key: 'yarn | "$(Agent.OS)" | yarn.lock'
      restoreKeys: |
        yarn | "$(Agent.OS)"
        yarn
      path: ${{ parameters.YARN_CACHE_FOLDER }}
      cacheHitVar: CACHE_RESTORED
    displayName: Cache Yarn packages

  - script: |
      yarn install
    condition: ne(variables.CACHE_RESTORED, 'true')
    displayName: Installing Modules

  - script: |
      yarn test
    name: UnitTest
    displayName: Jest Unit Testing

  - task: PublishTestResults@2
    displayName: 'Publish Test Results'
    inputs:
      testResultsFiles: '**/reports/junit.xml'
      mergeTestResults: true
      failTaskOnFailedTests: true
      testRunTitle: 'Unit Tests'

  - task: PublishCodeCoverageResults@1
    displayName: 'Publish Code Coverage'
    inputs:
      codeCoverageTool: Cobertura
      summaryFileLocation: '$(System.DefaultWorkingDirectory)/reports/coverage/cobertura-coverage.xml'