$oneCharMessage = "The cmdlet name O only has one character."

$oneCharName = "PSOneChar"

$directory = Split-Path -Parent $MyInvocation.MyCommand.Path

$invoke = Invoke-ScriptAnalyzer $directory\AvoidUsingReservedCharOneCharNames.ps1 | Where-Object {$_.RuleName -eq $oneCharName}

$noViolations = Invoke-ScriptAnalyzer $directory\GoodCmdlet.ps1 | Where-Object {$_.RuleName -eq $oneCharName}

Describe "Avoid Using One Char" {

Context "When there are violations" {

It "has 1 One Char Violation" {

$oneCharViolations.Count | Should -Be 1

}

It "has the correct description message" {

$oneCharViolations[0].Message | Should -Match $oneCharMessage

}

}

Context "When there are no violations" {

It "has no violations" {

$noReservedCharViolations.Count | Should -Be 0

}

}

}