126 lines
4.5 KiB
PowerShell
126 lines
4.5 KiB
PowerShell
# Copyright (c) Microsoft Corporation.
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# Licensed under the MIT License.
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Describe "Redirection operator now supports encoding changes" -Tags "CI" {
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BeforeAll {
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$asciiString = "abc"
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if ( $IsWindows ) {
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$asciiCR = "`r`n"
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}
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else {
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$asciiCR = [string][char]10
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}
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# If Out-File -Encoding happens to have a default, be sure to
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# save it away
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$SavedValue = $null
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$oldDefaultParameterValues = $PSDefaultParameterValues.Clone()
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$PSDefaultParameterValues = @{}
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}
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AfterAll {
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# be sure to tidy up afterwards
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$global:psDefaultParameterValues = $oldDefaultParameterValues
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}
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BeforeEach {
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# start each test with a clean plate!
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$PSDefaultParameterValues.Remove("Out-File:Encoding")
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}
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AfterEach {
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# end each test with a clean plate!
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$PSDefaultParameterValues.Remove("Out-File:Encoding")
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}
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It "If encoding is unset, redirection should be UTF8 without bom" {
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$asciiString > TESTDRIVE:\file.txt
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$bytes = Get-Content -AsByteStream TESTDRIVE:\file.txt
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# create the expected - utf8 encoding without a bom
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$encoding = [Text.UTF8Encoding]::new($false)
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# we know that there will be no preamble, so don't provide any bytes
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$TXT = $encoding.GetBytes($asciiString)
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$CR = $encoding.GetBytes($asciiCR)
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$expectedBytes = .{ $TXT; $CR }
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$bytes.Count | Should -Be $expectedBytes.count
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for($i = 0; $i -lt $bytes.count; $i++) {
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$bytes[$i] | Should -Be $expectedBytes[$i]
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}
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}
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$availableEncodings =
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@([System.Text.Encoding]::ASCII
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[System.Text.Encoding]::BigEndianUnicode
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[System.Text.UTF32Encoding]::new($true,$true)
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[System.Text.Encoding]::Unicode
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[System.Text.Encoding]::UTF7
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[System.Text.Encoding]::UTF8
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[System.Text.Encoding]::UTF32)
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foreach($encoding in $availableEncodings) {
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$encodingName = $encoding.EncodingName
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$msg = "Overriding encoding for Out-File is respected for $encodingName"
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$BOM = $encoding.GetPreamble()
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$TXT = $encoding.GetBytes($asciiString)
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$CR = $encoding.GetBytes($asciiCR)
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$expectedBytes = @( $BOM; $TXT; $CR )
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$PSDefaultParameterValues["Out-File:Encoding"] = $encoding
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$asciiString > TESTDRIVE:/file.txt
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$observedBytes = Get-Content -AsByteStream TESTDRIVE:/file.txt
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# THE TEST
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It $msg {
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$observedBytes.Count | Should -Be $expectedBytes.Count
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for($i = 0;$i -lt $observedBytes.Count; $i++) {
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$observedBytes[$i] | Should -Be $expectedBytes[$i]
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}
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}
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}
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}
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Describe "File redirection mixed with Out-Null" -Tags CI {
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It "File redirection before Out-Null should work" {
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"some text" > $TestDrive\out.txt | Out-Null
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Get-Content $TestDrive\out.txt | Should -BeExactly "some text"
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Write-Output "some more text" > $TestDrive\out.txt | Out-Null
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Get-Content $TestDrive\out.txt | Should -BeExactly "some more text"
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}
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}
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Describe "File redirection should have 'DoComplete' called on the underlying pipeline processor" -Tags CI {
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BeforeAll {
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$originalErrorView = $ErrorView
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$ErrorView = "NormalView"
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}
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AfterAll {
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$ErrorView = $originalErrorView
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}
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It "File redirection should result in the same file as Out-File" {
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$object = [pscustomobject] @{ one = 1 }
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$redirectFile = Join-Path $TestDrive fileRedirect.txt
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$outFile = Join-Path $TestDrive outFile.txt
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$object > $redirectFile
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$object | Out-File $outFile
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$redirectFileContent = Get-Content $redirectFile -Raw
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$outFileContent = Get-Content $outFile -Raw
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$redirectFileContent | Should -BeExactly $outFileContent
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}
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It "File redirection should not mess up the original pipe" {
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$outputFile = Join-Path $TestDrive output.txt
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$otherStreamFile = Join-Path $TestDrive otherstream.txt
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$result = & { $(Get-Command NonExist; 1234) > $outputFile *> $otherStreamFile; "Hello" }
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$result | Should -BeExactly "Hello"
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$outputContent = Get-Content $outputFile -Raw
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$outputContent.Trim() | Should -BeExactly '1234'
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$errorContent = Get-Content $otherStreamFile | ForEach-Object { $_.Trim() }
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$errorContent = $errorContent -join ""
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$errorContent | Should -Match "CommandNotFoundException,Microsoft.PowerShell.Commands.GetCommandCommand"
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}
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}
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