Example DSC Unit Tests for Get-VirtualDisk function

Example_DSCUnitTestsForGet-VirtualDisk.ps1

Describe "$($Global:DSCResourceName)\Get-VirtualDisk" {

	Context 'Virtual Disk does not exist' {
		
		Mock Get-iSCSIVirtualDisk

		It 'should return null' {
			$Splat = $TestVirtualDisk.Clone()
			$Result = Get-VirtualDisk -Path $Splat.Path 
			$Result | Should Be $null             
		}
		It 'should call expected Mocks' {
			Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1
		}
	}

	Context 'Virtual Disk does exist' {
		
		Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) }

		It 'should return expected parameters' {
			$Splat = $TestVirtualDisk.Clone()
			$Result = Get-VirtualDisk -Path $Splat.Path 
			$Result.Path                    | Should Be $MockVirtualDisk.Path
			$Result.DiskType                | Should Be $MockVirtualDisk.DiskType
			$Result.Size                    | Should Be $MockVirtualDisk.Size
			$Result.Description             | Should Be $MockVirtualDisk.Description
			$Result.ParentPath              | Should Be $MockVirtualDisk.ParentPath
		}
		It 'should call expected Mocks' {
			Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1
		}
	}
}