Functions/Assertions/Exist.ps1
function Should-Exist($ActualValue, [switch] $Negate, [string] $Because) { <# .SYNOPSIS Does not perform any comparison, but checks if the object calling Exist is present in a PS Provider. The object must have valid path syntax. It essentially must pass a Test-Path call. .EXAMPLE $actual = (Dir . )[0].FullName PS C:\>Remove-Item $actual PS C:\>$actual | Should -Exist `Should -Exist` calls Test-Path. Test-Path expects a file, returns $false because the file was removed, and fails the test. #> [bool] $succeeded = & $SafeCommands['Test-Path'] $ActualValue if ($Negate) { $succeeded = -not $succeeded } $failureMessage = '' if (-not $succeeded) { if ($Negate) { $failureMessage = "Expected path $(Format-Nicely $ActualValue) to not exist,$(Format-Because $Because) but it did exist." } else { $failureMessage = "Expected path $(Format-Nicely $ActualValue) to exist,$(Format-Because $Because) but it did not exist." } } return & $SafeCommands['New-Object'] psobject -Property @{ Succeeded = $succeeded FailureMessage = $failureMessage } } Add-AssertionOperator -Name Exist ` -InternalName Should-Exist ` -Test ${function:Should-Exist} function ShouldExistFailureMessage() { } function NotShouldExistFailureMessage() { } # SIG # Begin signature block # MIIcVgYJKoZIhvcNAQcCoIIcRzCCHEMCAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB # gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR # AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQUFHNJxYlCaLJvJlGn8mdQgQP+ # 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