ISE_Cew.Tests.ps1

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

$PrivateFunctions = Get-ChildItem "$here\Private\" -Filter '*.ps1' -Recurse | Where-Object {$_.name -NotMatch "Tests.ps1"}
$PublicFunctions = Get-ChildItem "$here\Public\" -Filter '*.ps1' -Recurse | Where-Object {$_.name -NotMatch "Tests.ps1"}

$PrivateFunctionsTests = Get-ChildItem "$here\Private\" -Filter '*Tests.ps1' -Recurse 
$PublicFunctionsTests = Get-ChildItem "$here\Public\" -Filter '*Tests.ps1' -Recurse 

$Rules = Get-ScriptAnalyzerRule

Import-Module "$Here\*.psd1"

if ($PrivateFunctions.count -gt 0) {
Describe "Testing all Private Functions in this Repo to be be correctly formatted" {

    foreach($PrivateFunction in $PrivateFunctions)
    {

    Context "Testing Private Function - $($PrivateFunction.BaseName) for Standard Processing" {
    
    Import-Module $PrivateFunction.FullName
    
          It "Is valid Powershell (Has no script errors)" {

                $contents = Get-Content -Path $PrivateFunction.FullName -ErrorAction Stop
                $errors = $null
                $null = [System.Management.Automation.PSParser]::Tokenize($contents, [ref]$errors)
                $errors.Count | Should Be 0
            }
            

    foreach ($rule in $rules) {

                    It �passes the PSScriptAnalyzer Rule $rule� {

                        (Invoke-ScriptAnalyzer -Path $PrivateFunction.FullName -IncludeRule $rule.RuleName ).Count | Should Be 0

                    }
                 }

            }
    
    }
 }
}

if ($PublicFunctions.count -gt 0) {
Describe "Testing all Public Functions in this Repo to be be correctly formatted" {

    foreach($PublicFunction in $PublicFunctions)
    {

    Context "Testing Public Function - $($PublicFunction.BaseName) for Standard Processing" {
    
    Import-Module $PublicFunction.FullName
          
          It "Is valid Powershell (Has no script errors)" {

                $contents = Get-Content -Path $PublicFunction.FullName -ErrorAction Stop
                $errors = $null
                $null = [System.Management.Automation.PSParser]::Tokenize($contents, [ref]$errors)
                $errors.Count | Should Be 0
            }
            

    foreach ($rule in $rules) {

                    It �passes the PSScriptAnalyzer Rule $rule� {

                        (Invoke-ScriptAnalyzer -Path $PublicFunction.FullName -IncludeRule $rule.RuleName ).Count | Should Be 0

                        }
                    }

    }

    $function = Get-Command $PublicFunction.BaseName 
        
        Context "Testing that the function - $($function.Name) - is compliant" {
            It "Function $($function.Name) Has show-help comment block" {

                $function.Definition.Contains('<#') | should be 'True'
                $function.Definition.Contains('#>') | should be 'True'
            }

            It "Function $($function.Name) Has show-help comment block has a.SYNOPSIS" {

                $function.Definition.Contains('.SYNOPSIS') -or $function.Definition.Contains('.Synopsis') | should be 'True'

            }

            It "Function $($function.Name) Has show-help comment block has an example" {

                $function.Definition.Contains('.EXAMPLE') | should be 'True'
            }

            It "Function $($function.Name) Is an advanced function" {

                $function.CmdletBinding | should be 'True'
                $function.Definition.Contains('param') -or  $function.Definition.Contains('Param') | should be 'True'
            }
            }
        }
    Remove-Module $PublicFunction.BaseName
    }
}

if ($PublicFunctionsTests.count -gt 0) {

    foreach($PublicFunctionTest in $PublicFunctionsTests)
        { Invoke-Pester $PublicFunctionTest.FullName -CodeCoverage $PublicFunctionTest.FullName.Replace('.Tests','') }

    }

if ($PrivateFunctionsTests.count -gt 0) {

    foreach($PrivateFunctionTest in $PrivateFunctionsTests)
        { . $PrivateFunctionTest.FullName }

    }