115 lines
3.8 KiB
PowerShell
115 lines
3.8 KiB
PowerShell
Describe "Stream writer tests" -Tags "CI" {
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$targetfile = Join-Path -Path $TestDrive -ChildPath "writeoutput.txt"
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# A custom function is defined here do handle the debug stream dealing with the confirm prompt
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# that would normally
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function Write-Messages
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{
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[CmdletBinding()]
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param()
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If ($PSBoundParameters['Debug']) { $DebugPreference = 'Continue' }
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Write-Verbose "Verbose message"
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Write-Debug "Debug message"
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}
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function Get-OutputResults
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{
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# Get the contents of the targetfile.
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# Make the array a string for less brittle testing
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$output = $(Get-Content $args[0])
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[String]::Join([Environment]::NewLine, $output )
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return $output
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}
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Context "Redirect Stream Tests" {
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# These tests validate that a stream is actually being written to by redirecting the output of that stream
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AfterEach { Remove-Item $targetfile }
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It "Should write warnings to the warning stream" {
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Write-Warning "Test Warning" 3>&1 > $targetfile
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Get-Content $targetfile | Should Be "Test Warning"
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}
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It "Should write error messages to the error stream" {
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Write-Error "Testing Error" 2>&1 > $targetfile
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$result = Get-OutputResults $targetfile
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# The contents of the error stream should contain the expected text
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$result -match ": Testing Error" | Should Be $true
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}
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It "Should write debug messages to the debug stream" {
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Write-Messages -Debug -EA SilentlyContinue 5>&1 > $targetfile
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$result = Get-OutputResults $targetfile
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# The contents of the debug stream should contain the expected text
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$result -match "Debug Message" | Should Be $true
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}
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It "Should write messages to the verbose stream" {
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Write-Messages -Verbose 4>&1 > $targetfile
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$result = Get-OutputResults $targetfile
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# The contents of the debug stream should contain the expected text
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$result -match "Verbose Message" | Should Be $true
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}
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}
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Context "Error automatic variable" {
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It "Should write error messages to the `$Error automatic variable" {
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Write-Error "Test Error Message" -ErrorAction SilentlyContinue
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$Error[0] | Should Match "Test Error Message"
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}
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}
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Context "Write-Information cmdlet" {
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BeforeAll {
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$ps = [powershell]::Create()
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}
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BeforeEach {
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$ps.Commands.Clear()
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$ps.Streams.ClearStreams()
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}
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AfterAll {
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$ps.Dispose()
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}
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It "Write-Information outputs an information object" -Pending:($IsMacOS) {
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# redirect the streams is sufficient
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$result = Write-Information "Test Message" *>&1
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$result.NativeThreadId | Should Not Be 0
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$result.ProcessId | Should Be $pid
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$result | Should BeOfType System.Management.Automation.InformationRecord
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# Use Match instead of Be so we can avoid dealing with a potential domain name
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$result.Computer | Should Match "^($([environment]::MachineName)){1}(\.[a-zA-Z0-9]+)*$"
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if ($IsWindows)
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{
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$result.User | Should Match ".*${env:USERNAME}"
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}
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else
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{
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$result.User | Should Be $(whoami)
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}
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"$result" | Should be "Test Message"
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}
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It "Write-Information accept objects from pipe" {
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$ps.AddScript("'teststring',12345 | Write-Information -InformationAction Continue").Invoke()
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$result = $ps.Streams.Information
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$result.Count | Should be 2
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$result[0].MessageData | Should be "teststring"
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$result[1].MessageData | Should be "12345"
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}
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}
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}
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