Describe "Validating the module manifest" {

$moduleRoot = (Resolve-Path "$global:testroot\..").Path

$manifest = ((Get-Content "$moduleRoot\PSModuleDevelopment.psd1") -join "`n") | Invoke-Expression

Context "Basic resources validation" {

$files = Get-ChildItem "$moduleRoot\functions" -Recurse -File | Where-Object Name -like "*.ps1"

It "Exports all functions in the public folder" -TestCases @{ files = $files; manifest = $manifest } {

$functions = (Compare-Object -ReferenceObject $files.BaseName -DifferenceObject $manifest.FunctionsToExport | Where-Object SideIndicator -Like '<=').InputObject

$functions | Should -BeNullOrEmpty

}

It "Exports no function that isn't also present in the public folder" -TestCases @{ files = $files; manifest = $manifest } {

$functions = (Compare-Object -ReferenceObject $files.BaseName -DifferenceObject $manifest.FunctionsToExport | Where-Object SideIndicator -Like '=>').InputObject

$functions | Should -BeNullOrEmpty

}

It "Exports none of its internal functions" -TestCases @{ moduleRoot = $moduleRoot; manifest = $manifest } {

$files = Get-ChildItem "$moduleRoot\internal\functions" -Recurse -File -Filter "*.ps1"

$files | Where-Object BaseName -In $manifest.FunctionsToExport | Should -BeNullOrEmpty

}

}

Context "Individual file validation" {

It "The root module file exists" -TestCases @{ moduleRoot = $moduleRoot; manifest = $manifest } {

Test-Path "$moduleRoot\$($manifest.RootModule)" | Should -Be $true

}

foreach ($format in $manifest.FormatsToProcess)

{

It "The file $format should exist" -TestCases @{ moduleRoot = $moduleRoot; format = $format } {

Test-Path "$moduleRoot\$format" | Should -Be $true

}

}

foreach ($type in $manifest.TypesToProcess)

{

It "The file $type should exist" -TestCases @{ moduleRoot = $moduleRoot; type = $type } {

Test-Path "$moduleRoot\$type" | Should -Be $true

}

}

foreach ($assembly in $manifest.RequiredAssemblies)

{

if ($assembly -like "*.dll") {

It "The file $assembly should exist" -TestCases @{ moduleRoot = $moduleRoot; assembly = $assembly } {

Test-Path "$moduleRoot\$assembly" | Should -Be $true

}

}

else {

It "The file $assembly should load from the GAC" -TestCases @{ moduleRoot = $moduleRoot; assembly = $assembly } {

{ Add-Type -AssemblyName $assembly } | Should -Not -Throw

}

}

}

foreach ($tag in $manifest.PrivateData.PSData.Tags)

{

It "Tags should have no spaces in name" -TestCases @{ tag = $tag } {

$tag -match " " | Should -Be $false

}

}

}

}