96 lines
5.4 KiB
PowerShell
96 lines
5.4 KiB
PowerShell
#Requires -Version 5.0
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# Offline regression tests. BITS and URL resolution are mocked.
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$ErrorActionPreference = 'Stop'
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$DownloadToolsPath = Join-Path (Split-Path $PSScriptRoot -Parent) 'Tools.ps1'
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$DownloadTokens = $null
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$DownloadParseErrors = $null
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$DownloadAst = [Management.Automation.Language.Parser]::ParseFile($DownloadToolsPath, [ref]$DownloadTokens, [ref]$DownloadParseErrors)
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If ($DownloadParseErrors.Count) { Throw ($DownloadParseErrors | Out-String) }
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Foreach ($DownloadFunctionName in @('Download-File','Download-FileDirectly')) {
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$DownloadDefinition = $DownloadAst.Find({
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param($Node)
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$Node -is [Management.Automation.Language.FunctionDefinitionAst] -and $Node.Name -eq $DownloadFunctionName
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}, $true)
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If (!$DownloadDefinition) { Throw "Missing helper: $DownloadFunctionName" }
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. ([scriptblock]::Create($DownloadDefinition.Extent.Text))
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}
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Function Get-AbsoluteURI {
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param($URL)
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If ($script:DownloadRejectPreflight) { Throw 'Direct download must not resolve the URL first.' }
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Return $URL
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}
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Function IsURLValid { Throw 'Direct download must not make a preliminary validation request.' }
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Function Get-TempPath { Return ($script:DownloadTestRoot + '\') }
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Function Start-BitsTransfer {
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[CmdletBinding()]
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param($Source, $Destination)
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$script:DownloadRecordedSource = $Source
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If ($script:DownloadTestMode -eq 'success') {
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[IO.File]::WriteAllText($Destination, 'Synthetic download.')
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Return
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}
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[IO.File]::WriteAllBytes($Destination, [byte[]]@())
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If ($script:DownloadTestMode -eq 'terminating-error') { Throw 'Synthetic BITS connection failure.' }
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Microsoft.PowerShell.Utility\Write-Error 'Synthetic BITS TLS failure.'
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}
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$DownloadTestRoot = Join-Path ([IO.Path]::GetTempPath()) ('download-file-tests-' + [guid]::NewGuid().ToString('N'))
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$null = New-Item -Path $DownloadTestRoot -ItemType Directory
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Try {
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Foreach ($DownloadFunctionName in @('Download-File','Download-FileDirectly')) {
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$script:DownloadRejectPreflight = ($DownloadFunctionName -eq 'Download-FileDirectly')
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$DownloadTestFile = Join-Path $DownloadTestRoot 'collector $test.exe'
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[IO.File]::WriteAllBytes($DownloadTestFile, [byte[]]@())
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$script:DownloadTestMode = 'success'
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$DownloadTestUrl = 'https://example.invalid/collector.exe?token=original'
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$DownloadResult = @(& $DownloadFunctionName -URL $DownloadTestUrl -File $DownloadTestFile)
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If ($DownloadResult.Count -ne 1 -or $DownloadResult[0] -cne $DownloadTestFile -or
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[IO.File]::ReadAllText($DownloadResult[0]) -cne 'Synthetic download.' -or
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$script:DownloadRecordedSource -cne $DownloadTestUrl) {
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Throw 'Successful download must pass the source URL intact, replace an empty file, and return exactly one completed path.'
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}
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Write-Host "PASS: ${DownloadFunctionName}: URL forwarding, empty destination overwrite, and one completed path."
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$DownloadAutomaticFile = Join-Path $DownloadTestRoot 'collector.msi'
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Foreach ($DownloadBinding in @('positional','pipeline')) {
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$DownloadResult = @(If ($DownloadBinding -eq 'positional') {
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& $DownloadFunctionName 'https://example.invalid/collector.msi'
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} Else {
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'https://example.invalid/collector.msi' | & $DownloadFunctionName
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})
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If ($DownloadResult.Count -ne 1 -or $DownloadResult[0] -cne $DownloadAutomaticFile -or
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[IO.File]::ReadAllText($DownloadAutomaticFile) -cne 'Synthetic download.') {
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Throw "Automatic filename or $DownloadBinding URL binding failed."
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}
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}
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Write-Host "PASS: ${DownloadFunctionName}: positional/pipeline URL and automatic filename with extension."
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Foreach ($script:DownloadTestMode in @('nonterminating-error','terminating-error')) {
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# Match an RMM that uses the normal Continue preference and does not pass -ErrorAction.
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$ErrorActionPreference = 'Continue'
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$DownloadCaught = $null
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$DownloadReturnedPaths = @()
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Try {
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& $DownloadFunctionName -URL 'https://example.invalid/collector.exe' -File $DownloadTestFile |
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ForEach-Object { $DownloadReturnedPaths += $_ }
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}
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Catch { $DownloadCaught = $_ }
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Finally { $ErrorActionPreference = 'Stop' }
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If ($null -eq $DownloadCaught -or $DownloadCaught.Exception.Message -notlike '*Synthetic BITS*failure*') {
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Throw 'Failed transfer must throw and preserve the BITS error.'
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}
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If ($DownloadReturnedPaths.Count -ne 0) { Throw 'Failed transfer returned a success path.' }
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Write-Host "PASS: ${DownloadFunctionName}: $script:DownloadTestMode stops the caller and preserves the transfer error."
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}
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}
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Write-Host "All download helper tests passed on PowerShell $($PSVersionTable.PSVersion), $([IntPtr]::Size * 8)-bit."
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}
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Finally {
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$DownloadResolvedRoot = (Resolve-Path -LiteralPath $DownloadTestRoot).Path
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$DownloadTempRoot = [IO.Path]::GetFullPath([IO.Path]::GetTempPath()).TrimEnd('\') + '\'
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If (!$DownloadResolvedRoot.StartsWith($DownloadTempRoot, [StringComparison]::OrdinalIgnoreCase) -or
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(Split-Path $DownloadResolvedRoot -Leaf) -notlike 'download-file-tests-*') { Throw 'Unexpected cleanup directory.' }
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Remove-Item -LiteralPath $DownloadResolvedRoot -Recurse -Force
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}
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