tests/pester.ps1

param (
    $TestGeneral = $true,
    
    $TestFunctions = $true,
    
    [ValidateSet('None', 'Default', 'Passed', 'Failed', 'Pending', 'Skipped', 'Inconclusive', 'Describe', 'Context', 'Summary', 'Header', 'Fails', 'All')]
    $Show = "None",
    
    $Include = "*",
    
    $Exclude = ""
)

Write-PSFMessage -Level Important -Message "Starting Tests"

Write-PSFMessage -Level Important -Message "Importing Module"

Remove-Module AzureRM.Extensions -ErrorAction Ignore
Import-Module "$PSScriptRoot\..\AzureRM.Extensions.psd1"
Import-Module "$PSScriptRoot\..\AzureRM.Extensions.psm1" -Force

Write-PSFMessage -Level Important -Message "Creating test result folder"
$null = New-Item -Path "$PSScriptRoot\..\.." -Name TestResults -ItemType Directory -Force

$totalFailed = 0
$totalRun = 0

$testresults = @()

#region Run General Tests
Write-PSFMessage -Level Important -Message "Modules imported, proceeding with general tests"
foreach ($file in (Get-ChildItem "$PSScriptRoot\general" -Filter "*.Tests.ps1"))
{
    Write-PSFMessage -Level Significant -Message " Executing <c='em'>$($file.Name)</c>"
    $TestOuputFile = Join-Path "$PSScriptRoot\..\..\TestResults" "TEST-$($file.BaseName).xml"
    $results = Invoke-Pester -Script $file.FullName -Show $Show -PassThru -OutputFile $TestOuputFile -OutputFormat NUnitXml
    foreach ($result in $results)
    {
        $totalRun += $result.TotalCount
        $totalFailed += $result.FailedCount
        $result.TestResult | Where-Object { -not $_.Passed } | ForEach-Object {
            $name = $_.Name
            $testresults += [pscustomobject]@{
                Describe  = $_.Describe
                Context   = $_.Context
                Name      = "It $name"
                Result    = $_.Result
                Message   = $_.FailureMessage
            }
        }
    }
}
#endregion Run General Tests

#region Test Commands
Write-PSFMessage -Level Important -Message "Proceeding with individual tests"
foreach ($file in (Get-ChildItem "$PSScriptRoot\functions" -Recurse -File -Filter "*Tests.ps1"))
{
    if ($file.Name -notlike $Include) { continue }
    if ($file.Name -like $Exclude) { continue }
    
    Write-PSFMessage -Level Significant -Message " Executing $($file.Name)"
    $TestOuputFile = Join-Path "$PSScriptRoot\..\..\TestResults" "TEST-$($file.BaseName).xml"
    $results = Invoke-Pester -Script $file.FullName -Show $Show -PassThru -OutputFile $TestOuputFile -OutputFormat NUnitXml
    foreach ($result in $results)
    {
        $totalRun += $result.TotalCount
        $totalFailed += $result.FailedCount
        $result.TestResult | Where-Object { -not $_.Passed } | ForEach-Object {
            $name = $_.Name
            $testresults += [pscustomobject]@{
                Describe   = $_.Describe
                Context    = $_.Context
                Name       = "It $name"
                Result       = $_.Result
                Message    = $_.FailureMessage
            }
        }
    }
}
#endregion Test Commands

$testresults | Sort-Object Describe, Context, Name, Result, Message | Format-List

if ($totalFailed -eq 0) { Write-PSFMessage -Level Critical -Message "All <c='em'>$totalRun</c> tests executed without a single failure!" }
else { Write-PSFMessage -Level Critical -Message "<c='em'>$totalFailed tests</c> out of <c='sub'>$totalRun</c> tests failed!" }

if ($totalFailed -gt 0)
{
    throw "$totalFailed / $totalRun tests failed!"
}