PowerShell-PowerShell/test/powershell/Modules/Microsoft.PowerShell.Utility/string.tests.ps1

Describe "String cmdlets" -Tags "CI" {
    Context "Select-String" {
        BeforeAll {
            $sep = [io.path]::DirectorySeparatorChar
            $fileName = New-Item 'TestDrive:\selectStr[ingLi]teralPath.txt'
            "abc" | Out-File -LiteralPath $fileName.fullname            
	        "bcd" | Out-File -LiteralPath $fileName.fullname -Append
	        "cde" | Out-File -LiteralPath $fileName.fullname -Append

            $fileNameWithDots = $fileName.FullName.Replace("\", "\.\")
            
            $tempFile = New-TemporaryFile            
            "abc" | Out-File -LiteralPath $tempFile.fullname            
	        "bcd" | Out-File -LiteralPath $tempFile.fullname -Append
	        "cde" | Out-File -LiteralPath $tempFile.fullname -Append
            $driveLetter = $tempFile.PSDrive.Name
            $fileNameAsNetworkPath = "\\localhost\$driveLetter`$" + $tempFile.FullName.SubString(2)

	        Push-Location "$fileName\.."
        }

        AfterAll {
            Remove-Item $tempFile -Force -ErrorAction SilentlyContinue
            Pop-Location
        }

        It "LiteralPath with relative path" {
            (select-string -LiteralPath (Get-Item -LiteralPath $fileName).Name "b").count | Should Be 2	    
        } 

        It "LiteralPath with absolute path" {	        
            (select-string -LiteralPath $fileName "b").count | Should Be 2	    
        }

        It "LiteralPath with dots in path" {	        
            (select-string -LiteralPath $fileNameWithDots "b").count | Should Be 2	    
        }

        It "Network path" -skip:($IsCoreCLR) {
            (select-string -LiteralPath $fileNameAsNetworkPath "b").count | Should Be 2
        }

        It "throws error for non filesystem providers" {
            $aaa = "aaaaaaaaaa"
            select-string -literalPath variable:\aaa "a" -ErrorAction SilentlyContinue -ErrorVariable selectStringError
            $selectStringError.FullyQualifiedErrorId | Should Be 'ProcessingFile,Microsoft.PowerShell.Commands.SelectStringCommand'
        }

        It "throws parameter binding exception for invalid context" {
            { select-string It $PSScriptRoot -Context -1,-1 } | Should Throw Context
        }

        It "match object supports RelativePath method" {
            $file = "Modules${sep}Microsoft.PowerShell.Utility${sep}Microsoft.PowerShell.Utility.psd1"
            
            $match = Select-String CmdletsToExport $pshome/$file
            
            $match.RelativePath($pshome) | Should Be $file
            $match.RelativePath($pshome.ToLower()) | Should Be $file
            $match.RelativePath($pshome.ToUpper()) | Should Be $file
        }
    }
}