Functions/Assertions/BeIn.ps1
function Should-BeIn($ActualValue, $ExpectedValue, [switch] $Negate, [string] $Because) { <# .SYNOPSIS Asserts that a collection of values contain a specific value. Uses PowerShell's -contains operator to confirm. .EXAMPLE 1 | Should -BeIn @(1,2,3,'a','b','c') This test passes, as 1 exists in the provided collection. #> [bool] $succeeded = $ExpectedValue -contains $ActualValue if ($Negate) { $succeeded = -not $succeeded } if (-not $succeeded) { if ($Negate) { return New-Object psobject -Property @{ Succeeded = $false FailureMessage = "Expected collection $(Format-Nicely $ExpectedValue) to not contain $(Format-Nicely $ActualValue),$(Format-Because $Because) but it was found." } } else { return New-Object psobject -Property @{ Succeeded = $false FailureMessage = "Expected collection $(Format-Nicely $ExpectedValue) to contain $(Format-Nicely $ActualValue),$(Format-Because $Because) but it was not found." } } } return New-Object psobject -Property @{ Succeeded = $true } } Add-AssertionOperator -Name BeIn ` -InternalName Should-BeIn ` -Test ${function:Should-BeIn} function ShouldBeInFailureMessage() { } function NotShouldBeInFailureMessage() { } # SIG # 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