add test

Author: SteveL-MSFT

extensions/bicep/bicep.tests.ps1

@@ -0,0 +1,20 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+BeforeDiscovery {
+    $foundBicep = if ($null -ne (Get-Command bicep -ErrorAction Ignore)) {
+        $true
+    } else {
+        $false
+    }
+}
+
+Describe 'Bicep extension tests' -Skip:(!$foundBicep) {
+    It 'Example bicep file should work' {
+        $bicepFile = Resolve-Path -Path "$PSScriptRoot\..\..\dsc\examples\hello_world.dsc.bicep"
+        $out = dsc -l debug config get -f $bicepFile 2>$TestDrive/error.log | ConvertFrom-Json
+        $LASTEXITCODE | Should -Be 0 -Because (Get-Content -Path $TestDrive/error.log -Raw | Out-String)
+        $out.results[0].result.actualState.output | Should -BeExactly 'Hello, world!'
+        (Get-Content -Path $TestDrive/error.log -Raw) | Should -Match "Importing file '$bicepFile' with extension 'Microsoft.DSC.Extension/Bicep'"
+    }
+}