699-codeCoverage--vsts-api.ps1

      $expectedPercent=80
      $coveredBlocks=0
      $skippedBlocks=0
      $totalBlocks=0
      $codeCoveragePercent=0 

      write-host "Build id is $env:BUILD_BUILDID"

      $url = "$($env:SYSTEM_TEAMFOUNDATIONCOLLECTIONURI)$env:SYSTEM_TEAMPROJECTID/_apis/test/codeCoverage?buildId=$($env:BUILD_BUILDID)&flags=1&api-version=5.1-preview.1"
      Write-Host "URL: $url"
      $pipeline = Invoke-RestMethod -Uri $url -Headers @{
        Authorization = "Bearer $env:SYSTEM_ACCESSTOKEN"
      }
      Write-Host "Pipeline = $($pipeline.value | select modules | ConvertTo-Json -Depth 100)"
      
      $Responsemodules = $pipeline.value | select modules
      foreach($module in $Responsemodules.modules)
      {
        $script:coveredBlocks +=  $module.statistics[0].blocksCovered
        $script:skippedBlocks +=  $module.statistics[0].blocksNotCovered
        
        $tempname = $module.name
        $tempTotal =$module.statistics[0].blocksCovered + $module.statistics[0].blocksNotCovered
        $tempCodeCoverage = ($module.statistics[0].blocksCovered * 100.0) / $tempTotal
        write-host "$tempname   % $tempCodeCoverage"
      }

      write-host "======================================================="
      $script:totalBlocks = $script:coveredBlocks + $script:skippedBlocks;
      $codeCoveragePercent = ($script:coveredBlocks * 100.0) / $totalBlocks

      write-host "overall  >>  % $codeCoveragePercent"

      if($codeCoveragePercent -le $expectedPercent){
        Write-Error  "coverage less than %$expectedPercent"
      }