76 lines
2.8 KiB
PowerShell
76 lines
2.8 KiB
PowerShell
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 = $psDefaultParameterValues
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$psDefaultParameterValues = @{}
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}
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AfterAll {
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# be sure to tidy up afterwards
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$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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$psdefaultParameterValues.Remove("out-file:encoding")
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}
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It "If encoding is unset, redirection should be Unicode" {
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$asciiString > TESTDRIVE:\file.txt
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$bytes = get-content -encoding byte TESTDRIVE:\file.txt
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# create the expected
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$BOM = [text.encoding]::unicode.GetPreamble()
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$TXT = [text.encoding]::unicode.GetBytes($asciiString)
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$CR = [text.encoding]::unicode.GetBytes($asciiCR)
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$expectedBytes = .{ $BOM; $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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# $availableEncodings = "unknown","string","unicode","bigendianunicode","utf8","utf7", "utf32","ascii","default","oem"
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$availableEncodings = (get-command out-file).Parameters["Encoding"].Attributes.ValidValues
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foreach($encoding in $availableEncodings) {
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# some of the encodings accepted by out-file aren't real,
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# and out-file has its own translation, so we'll
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# not do that logic here, but simply ignore those encodings
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# as they eventually are translated to "real" encoding
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$enc = [system.text.encoding]::$encoding
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if ( $enc )
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{
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$msg = "Overriding encoding for out-file is respected for $encoding"
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$BOM = $enc.GetPreamble()
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$TXT = $enc.GetBytes($asciiString)
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$CR = $enc.GetBytes($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 -encoding Byte 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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}
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