Belin.Validation

0.3.0

Sources/Test-Validation.ps1

using namespace Belin.Validation

<#
.SYNOPSIS
    Performs the data validation on the specified object according to a given set of validation rules.
.INPUTS
    The object to validate.
.OUTPUTS
    The validation errors, if any.
#>
function Test-Validation {
    [CmdletBinding()]
    [OutputType([hashtable])]
    param (
        # The object to validate.
        [Parameter(Mandatory, Position = 1, ValueFromPipeline)]
        [object] $Object,

        # The set of validation rules to apply.
        [Parameter(Mandatory, Position = 2)]
        [hashtable] $RuleSet
    )

    process {
        $errors = @{}

        foreach ($property in $RuleSet.Keys) {
            foreach ($item in @($RuleSet[$property])) {
                $validator = [Validator] $item
                if (-not $validator.IsValid($Object.$property)) {
                    $errors[$property] = $validator.Reason
                    break
                }
            }
        }

        $errors
    }
}