PowerShell/test/powershell/Language/Parser/RedirectionOperator.Tests.ps1
James Truher 9e225ccae2 changes tags for tests
Start using tags CI, Feature, Scenario
2016-07-27 12:06:51 -07:00

76 lines
2.8 KiB
PowerShell

Describe "Redirection operator now supports encoding changes" -Tags "CI" {
BeforeAll {
$asciiString = "abc"
if ( $IsWindows ) {
$asciiCR = "`r`n"
}
else {
$asciiCR = [string][char]10
}
# If out-file -encoding happens to have a default, be sure to
# save it away
$SavedValue = $null
$oldDefaultParameterValues = $psDefaultParameterValues
$psDefaultParameterValues = @{}
}
AfterAll {
# be sure to tidy up afterwards
$psDefaultParameterValues = $oldDefaultParameterValues
}
BeforeEach {
# start each test with a clean plate!
$psdefaultParameterValues.Remove("out-file:encoding")
}
AfterEach {
# end each test with a clean plate!
$psdefaultParameterValues.Remove("out-file:encoding")
}
It "If encoding is unset, redirection should be Unicode" {
$asciiString > TESTDRIVE:\file.txt
$bytes = get-content -encoding byte TESTDRIVE:\file.txt
# create the expected
$BOM = [text.encoding]::unicode.GetPreamble()
$TXT = [text.encoding]::unicode.GetBytes($asciiString)
$CR = [text.encoding]::unicode.GetBytes($asciiCR)
$expectedBytes = .{ $BOM; $TXT; $CR }
$bytes.Count | should be $expectedBytes.count
for($i = 0; $i -lt $bytes.count; $i++) {
$bytes[$i] | Should be $expectedBytes[$i]
}
}
# $availableEncodings = "unknown","string","unicode","bigendianunicode","utf8","utf7", "utf32","ascii","default","oem"
$availableEncodings = (get-command out-file).Parameters["Encoding"].Attributes.ValidValues
foreach($encoding in $availableEncodings) {
# some of the encodings accepted by out-file aren't real,
# and out-file has its own translation, so we'll
# not do that logic here, but simply ignore those encodings
# as they eventually are translated to "real" encoding
$enc = [system.text.encoding]::$encoding
if ( $enc )
{
$msg = "Overriding encoding for out-file is respected for $encoding"
$BOM = $enc.GetPreamble()
$TXT = $enc.GetBytes($asciiString)
$CR = $enc.GetBytes($asciiCR)
$expectedBytes = .{ $BOM; $TXT; $CR }
$psdefaultparameterValues["out-file:encoding"] = "$encoding"
$asciiString > TESTDRIVE:/file.txt
$observedBytes = Get-Content -encoding Byte TESTDRIVE:/file.txt
# THE TEST
It $msg {
$observedBytes.Count | Should be $expectedBytes.Count
for($i = 0;$i -lt $observedBytes.Count; $i++) {
$observedBytes[$i] | Should be $expectedBytes[$i]
}
}
}
}
}