Add preliminary tests

Author: nyanhp

templates/AppLockerProject/build/validate.ps1

@@ -11,12 +11,13 @@ param
 
 Import-Module Pester
 
+$global:testroot = Join-Path $ProjectRoot tests
 $po = [PesterConfiguration]::New()
-$po.Run.Path = Join-Path $ProjectRoot "tests/$TestType"
+$po.Run.Path = Join-Path $global:testroot $TestType
 $po.Run.PassThru = $true
 $po.Output.Verbosity = 'Detailed'
 $po.TestResult.Enabled = $true
-$po.TestResult.OutputPath = Join-Path $ProjectRoot 'testresults.xml'
+$po.TestResult.OutputPath = Join-Path $global:testroot 'testresults.xml'
 $po.TestResult.OutputFormat = 'NUnit2.5'
 
 $result = Invoke-Pester -Configuration $po

templates/AppLockerProject/tests/ConfigurationData/FileIntegrity.tests.ps1

@@ -0,0 +1,28 @@
+BeforeDiscovery {
+    $yamlFiles = Get-ChildItem -Path "$global:testroot\..\configurationdata" -Filter *.ym*l -Recurse -File | Foreach-Object { 
+        @{
+            FullName = $_.FullName
+            BaseName = $_.BaseName
+            Name     = $_.Name 
+        } 
+    }
+}
+
+Describe "YAML file integrity" {
+    It "<Name> Convert from YAML without errors" -TestCases $yamlFiles {
+        { Get-Content -Raw -Path $FullName | ConvertFrom-Yaml -ErrorAction Stop } | Should -Not -Throw
+    }
+
+    It "<Name> Contains only valid rule types" -TestCases $yamlFiles {
+        $types = 'Dll', 'Exe', 'Msi', 'Script', 'Appx'
+
+        $content = Get-Content -Raw -Path $FullName | ConvertFrom-Yaml -ErrorAction SilentlyContinue
+
+        if (-not $content.ContainsKey('RuleCollections'))
+        {
+            return
+        }
+
+        $content.RuleCollections.Keys | Foreach-Object { $_ | Should -BeIn $types }
+    }
+}