New test for DPM state

Tests if Distributed Power Management (DPM) is enabled.

Vester/Tests/Cluster/DPM-Enabled.Vester.ps1

@@ -0,0 +1,29 @@
+# Test file for the Vester module - https://github.com/WahlNetwork/Vester
+# Called via Invoke-Pester VesterTemplate.Tests.ps1
+
+# Test title, e.g. 'DNS Servers'
+$Title = 'DPM State'
+
+# Test description: How New-VesterConfig explains this value to the user
+$Description = 'Enables Distributed Power Managment (DPM) on the cluster'
+
+# The config entry stating the desired values
+$Desired = $cfg.cluster.dpmenable
+
+# The test value's data type, to help with conversion: bool/string/int
+$Type = 'bool'
+
+# The command(s) to pull the actual value for comparison
+# $Object will scope to the folder this test is in (Cluster, Host, etc.)
+[ScriptBlock]$Actual = {
+    $Object.ExtensionData.ConfigurationEx.DpmConfigInfo.Enabled
+}
+
+# The command(s) to match the environment to the config
+# Use $Object to help filter, and $Desired to set the correct value
+[ScriptBlock]$Fix = {
+	$spec = New-Object VMware.Vim.ClusterConfigSpecEx
+	$spec.dpmConfig = New-Object VMware.Vim.ClusterDpmConfigInfo
+	$spec.dpmConfig.enabled = $Desired
+	(Get-View -VIObject $Object).ReconfigureComputeResource_Task($spec, $true)
+}