Provide additional tests for the *-Job cmdlets (#3110)
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jeffbi
Dongbo Wang
parent
152de40852
commit
a557c03570
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@ -1,49 +1,141 @@
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Import-Module $PSScriptRoot\..\..\Common\Test.Helpers.psm1
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Describe "Job Cmdlet Tests" -Tag "CI" {
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Context "Simple Jobs" {
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AfterEach {
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Get-Job | Remove-Job -force
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}
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BeforeEach {
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$j = start-job -scriptblock { 1 + 1 }
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$j = Start-Job -ScriptBlock { 1 + 1 } -Name "My Job"
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}
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AfterEach {
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Get-Job | Remove-Job -Force
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}
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It "Start-Job produces a job object" {
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$j | Should BeOfType System.Management.Automation.Job
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$j | Should BeOfType "System.Management.Automation.Job"
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$j.Name | Should Be "My Job"
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}
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It "Get-Job retrieves a job object" {
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(Get-Job -id $j.id) | Should BeOfType System.Management.Automation.Job
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(Get-Job -Id $j.Id) | Should BeOfType "System.Management.Automation.Job"
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}
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It "Get-Job retrieves an array of job objects" {
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Start-Job -ScriptBlock { 2 * 2 }
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$jobs = Get-Job
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$jobs.Count | Should Be 2
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foreach ($job in $jobs)
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{
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$job | Should BeOfType "System.Management.Automation.Job"
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}
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}
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It "Remove-Job can remove a job" {
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remove-job $j -force
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try {
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get-job $j -ea Stop
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throw "Execution OK"
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}
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catch {
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$_.FullyQualifiedErrorId | should be "JobWithSpecifiedNameNotFound,Microsoft.PowerShell.Commands.GetJobCommand"
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}
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Remove-Job $j -Force
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{ Get-Job $j -ErrorAction Stop } | ShouldBeErrorId "JobWithSpecifiedNameNotFound,Microsoft.PowerShell.Commands.GetJobCommand"
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}
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It "Receive-Job can retrieve job results" -pending {
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$waitjob = Wait-Job -Timeout 10 -id $j.id
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if ( $waitJob ) {
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$result = receive-job -id $j.id
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$result.id | Should be 2
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}
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It "Receive-Job can retrieve job results" {
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Wait-Job -Timeout 60 -id $j.id | Should Not BeNullOrEmpty
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receive-job -id $j.id | Should be 2
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}
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}
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Context "Jobs with arguments" {
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It "Start-Job accepts arguments" {
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$sb = { Write-Output $args[1]; Write-Output $args[0] }
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$j = Start-Job -ScriptBlock $sb -ArgumentList "$TestDrive", 42
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Wait-job -Timeout (5 * 60) $j | Should Be $j
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$r = Receive-Job $j
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$r -Join "," | Should Be "42,$TestDrive"
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}
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}
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Context "jobs which take time" {
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BeforeEach {
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$j = start-job -scriptblock { Start-Sleep 15 }
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$j = Start-Job -ScriptBlock { Start-Sleep 15 }
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}
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AfterEach {
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Get-Job | Remove-Job -force
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Get-Job | Remove-Job -Force
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}
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It "Wait-Job will wait for a job" {
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$result = wait-Job $j
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$result | should be $j
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$result = Wait-Job $j
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$result | Should Be $j
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$j.State | Should Be "Completed"
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}
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It "Stop-Job will stop a job" -pending {
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Stop-Job -id $j.id
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$j.Status |Should be Stopped
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It "Wait-Job will timeout waiting for a job" {
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$result = Wait-Job -Timeout 2 $j
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$result | Should Be $null
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}
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It "Stop-Job will stop a job" {
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Stop-Job -Id $j.Id
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$j.State | Should Be "Stopped"
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}
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It "Remove-Job will not remove a running job" {
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$id = $j.Id
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Remove-Job $j -ErrorAction SilentlyContinue
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$job = Get-Job -Id $id
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$job | Should Be $j
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}
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It "Remove-Job -Force will remove a running job" {
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$id = $j.Id
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Remove-Job $j -Force
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$job = Get-Job -Id $id -ErrorAction SilentlyContinue
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$job | Should Be $null
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}
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}
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Context "Retrieving partial output from jobs" {
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BeforeAll {
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function GetResults($job, $n, $keep)
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{
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$results = @()
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# $count allows us to bail out after 5 minutes, avoiding an endless loop
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for ($count = 0; $results.Count -lt $n; $count++)
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{
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if ($count -eq 1000)
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{
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# It's been 5 minutes and we still have collected enough results!
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throw "Receive-Job behaves suspiciously: Cannot receive $n results in 5 minutes."
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}
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# sleep for 300 ms to allow data to be produced
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Start-Sleep -Milliseconds 300
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if ($keep)
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{
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$results = Receive-Job -Keep $job
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}
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else
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{
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$results += Receive-Job $job
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}
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}
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return $results
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}
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function CheckContent($array)
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{
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for ($i=1; $i -lt $array.Count; $i++)
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{
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if ($array[$i] -ne ($array[$i-1] + 1))
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{
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return $false
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}
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}
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return $true
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}
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}
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BeforeEach {
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$j = Start-Job -ScriptBlock { $count = 1; while ($true) { Write-Output ($count++); Start-Sleep -Milliseconds 30 } }
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}
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AfterEach {
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Get-Job | Remove-Job -Force
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}
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It "Receive-Job will retrieve partial output" {
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$result1 = GetResults $j 5 $false
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$result2 = GetResults $j 5 $false
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CheckContent ($result1 + $result2) | Should Be $true
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}
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It "Receive-Job will retrieve partial output, including -Keep results" {
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$result1 = GetResults $j 5 $true
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$result2 = GetResults $j ($result1.Count + 5) $false
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Compare-Object -SyncWindow 0 -PassThru $result1 $result2[0..($result1.Count-1)] | Should Be $null
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$result2[$result1.Count - 1] + 1 | Should Be $result2[$result1.Count]
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}
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}
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}
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@ -66,10 +158,10 @@ Describe "Debug-job test" -tag "Feature" {
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$ps.AddScript('$job = start-job { 1..300 | % { sleep 1 } }').Invoke()
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$ps.Commands.Clear()
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$ps.Runspace.Debugger.GetCallStack() | Should BeNullOrEmpty
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start-sleep 3
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Start-Sleep 3
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$asyncResult = $ps.AddScript('debug-job $job').BeginInvoke()
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$ps.commands.clear()
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start-sleep 2
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Start-Sleep 2
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$result = $ps.runspace.Debugger.GetCallStack()
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$result.Command | Should be "<ScriptBlock>"
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}
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