tests/pester.ps1

param (
    $Show = "None"
)

Write-Host "Starting Tests" -ForegroundColor Green
Write-Host "Installing Pester" -ForegroundColor Cyan
if ($env:BUILD_BUILDURI -like "vstfs*")
{
    Install-Module Pester -Force -SkipPublisherCheck
    Install-Module PSFramework -Force -SkipPublisherCheck
}

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

Remove-Module FredsIronScripter2018 -ErrorAction Ignore
Import-Module "$PSScriptRoot\..\FredsIronScripter2018.psd1"
Import-Module "$PSScriptRoot\..\FredsIronScripter2018.psm1" -Force

$totalFailed = 0
$totalRun = 0

$testresults = @()

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>"
    $results = Invoke-Pester -Script $file.FullName -Show $Show -PassThru
    foreach ($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
            }
        }
    }
}

Write-PSFMessage -Level Important -Message "Proceeding with individual tests"
foreach ($file in (Get-ChildItem "$PSScriptRoot\functions" -Recurse -File -Filter "*Tests..ps1"))
{
    Write-PSFMessage -Level Significant -Message " Executing $($file.Name)"
    $results = Invoke-Pester -Script $file.FullName -Show None -PassThru
    foreach ($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
            }
        }
    }
}

$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!"
}