Tests/Unit/BMD_ciSCSIVirtualDisk.Tests.ps1
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$Global:DSCModuleName = 'ciSCSI' $Global:DSCResourceName = 'BMD_ciSCSIVirtualDisk' #region HEADER [String] $moduleRoot = Split-Path -Parent (Split-Path -Parent (Split-Path -Parent $Script:MyInvocation.MyCommand.Path)) if ((-not (Test-Path -Path (Join-Path -Path $moduleRoot -ChildPath 'DSCResource.Tests'))) -or ` (-not (Test-Path -Path (Join-Path -Path $moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1')))) { & git @('clone','https://github.com/PowerShell/DscResource.Tests.git',(Join-Path -Path $moduleRoot -ChildPath '\DSCResource.Tests\')) } else { & git @('-C', (Join-Path -Path $moduleRoot -ChildPath '\DSCResource.Tests\'), 'pull') } Import-Module (Join-Path -Path $moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1') -Force $TestEnvironment = Initialize-TestEnvironment ` -DSCModuleName $Global:DSCModuleName ` -DSCResourceName $Global:DSCResourceName ` -TestType Unit #endregion # Begin Testing try { #region Pester Tests InModuleScope $Global:DSCResourceName { # Create the Mock Objects that will be used for running tests $TestVirtualDisk = [PSObject]@{ Path = Join-Path -Path $ENV:Temp -ChildPath 'TestiSCSIVirtualDisk.vhdx' Ensure = 'Present' DiskType = 'Differencing' SizeBytes = 100MB Description = 'Unit Test iSCSI Virtual Disk' BlockSizeBytes = 2MB PhysicalSectorSizeBytes = 4096 LogicalSectorSizeBytes = 512 ParentPath = 'c:\Parent.vhdx' } $MockVirtualDisk = [PSObject]@{ Path = $TestVirtualDisk.Path DiskType = $TestVirtualDisk.DiskType Size = $TestVirtualDisk.SizeBytes Description = $TestVirtualDisk.Description ParentPath = $TestVirtualDisk.ParentPath } # Ensure that the tests can be performed on this computer $ProductType = (Get-CimInstance Win32_OperatingSystem).ProductType Describe 'Environment' { Context 'Operating System' { It 'Should be a Server OS' { $ProductType | Should Be 3 } } } if ($ProductType -ne 3) { Break } $Installed = (Get-WindowsFeature -Name FS-iSCSITarget-Server).Installed Describe 'Environment' { Context 'Windows Features' { It 'Should have the iSCSI Target Feature Installed' { $Installed | Should Be $true } } } if ($Installed -eq $false) { Break } Describe "$($Global:DSCResourceName)\Get-TargetResource" { Context 'Virtual Disk does not exist' { Mock Get-iSCSIVirtualDisk It 'should return absent Virtual Disk' { $Result = Get-TargetResource ` -Path $TestVirtualDisk.Path $Result.Ensure | Should Be 'Absent' } It 'should call the expected mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk does exist' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } It 'should return correct Virtual Disk' { $Result = Get-TargetResource ` -Path $TestVirtualDisk.Path $Result.Ensure | Should Be 'Present' $Result.Path | Should Be $TestVirtualDisk.Path $Result.DiskType | Should Be $TestVirtualDisk.DiskType $Result.SizeBytes | Should Be $TestVirtualDisk.SizeBytes $Result.Description | Should Be $TestVirtualDisk.Description $Result.ParentPath | Should Be $TestVirtualDisk.ParentPath } It 'should call the expected mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } } Describe "$($Global:DSCResourceName)\Set-TargetResource" { Context 'Virtual Disk does not exist but should' { Mock Get-iSCSIVirtualDisk Mock New-iSCSIVirtualDisk Mock Set-iSCSIVirtualDisk Mock Remove-iSCSIVirtualDisk It 'should not throw error' { { $Splat = $TestVirtualDisk.Clone() Set-TargetResource @Splat } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName New-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName Set-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Remove-iSCSIVirtualDisk -Exactly 0 } } Context 'Virtual Disk exists and should but has a different Description' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } Mock New-iSCSIVirtualDisk Mock Set-iSCSIVirtualDisk Mock Remove-iSCSIVirtualDisk It 'should not throw error' { { $Splat = $TestVirtualDisk.Clone() $Splat.Description = 'Different' Set-TargetResource @Splat } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName New-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Set-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName Remove-iSCSIVirtualDisk -Exactly 0 } } Context 'Virtual Disk exists and should but has a different DiskType' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } Mock New-iSCSIVirtualDisk Mock Set-iSCSIVirtualDisk Mock Remove-iSCSIVirtualDisk It 'should throw an iSCSIVirtualDiskRequiresRecreateError exception' { $Splat = $TestVirtualDisk.Clone() $Splat.DiskType = 'Fixed' $Splat.ParentPath = $null $errorId = 'iSCSIVirtualDiskRequiresRecreateError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.iSCSIVirtualDiskRequiresRecreateError) -f $Splat.Path $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null { Set-TargetResource @Splat } | Should Throw $errorRecord } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName New-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Set-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Remove-iSCSIVirtualDisk -Exactly 0 } } Context 'Virtual Disk exists and should but has a different SizeBytes' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } Mock New-iSCSIVirtualDisk Mock Set-iSCSIVirtualDisk Mock Remove-iSCSIVirtualDisk It 'should throw an iSCSIVirtualDiskRequiresRecreateError exception' { $Splat = $TestVirtualDisk.Clone() $Splat.SizeBytes = $Splat.SizeBytes + 100MB $errorId = 'iSCSIVirtualDiskRequiresRecreateError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.iSCSIVirtualDiskRequiresRecreateError) -f $Splat.Path $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null { Set-TargetResource @Splat } | Should Throw $errorRecord } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName New-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Set-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Remove-iSCSIVirtualDisk -Exactly 0 } } Context 'Virtual Disk exists and should but has a different ParentPath' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } Mock New-iSCSIVirtualDisk Mock Set-iSCSIVirtualDisk Mock Remove-iSCSIVirtualDisk It 'should throw an iSCSIVirtualDiskRequiresRecreateError exception' { $Splat = $TestVirtualDisk.Clone() $Splat.ParentPath = 'c:\NewParent.vhdx' $errorId = 'iSCSIVirtualDiskRequiresRecreateError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.iSCSIVirtualDiskRequiresRecreateError) -f $Splat.Path $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null { Set-TargetResource @Splat } | Should Throw $errorRecord } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName New-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Set-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Remove-iSCSIVirtualDisk -Exactly 0 } } Context 'Virtual Disk exists but should not' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } Mock New-iSCSIVirtualDisk Mock Set-iSCSIVirtualDisk Mock Remove-iSCSIVirtualDisk It 'should not throw error' { { $Splat = $TestVirtualDisk.Clone() $Splat.Ensure = 'Absent' Set-TargetResource @Splat } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName New-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Set-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Remove-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk does not exist and should not' { Mock Get-iSCSIVirtualDisk Mock New-iSCSIVirtualDisk Mock Set-iSCSIVirtualDisk Mock Remove-iSCSIVirtualDisk It 'should not throw error' { { $Splat = $TestVirtualDisk.Clone() $Splat.Ensure = 'Absent' Set-TargetResource @Splat } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 Assert-MockCalled -commandName New-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Set-iSCSIVirtualDisk -Exactly 0 Assert-MockCalled -commandName Remove-iSCSIVirtualDisk -Exactly 0 } } } Describe "$($Global:DSCResourceName)\Test-TargetResource" { Context 'Virtual Disk does not exist but should' { Mock Get-iSCSIVirtualDisk It 'should return false' { $Splat = $TestVirtualDisk.Clone() Test-TargetResource @Splat | Should Be $False } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk exists and should but has a different Description' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } It 'should return false' { { $Splat = $TestVirtualDisk.Clone() $Splat.Description = 'Different' Test-TargetResource @Splat | Should Be $False } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk exists and should but has a different DiskType' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } It 'should throw an iSCSIVirtualDiskRequiresRecreateError exception' { $Splat = $TestVirtualDisk.Clone() $Splat.DiskType = 'Fixed' $Splat.ParentPath = $null $errorId = 'iSCSIVirtualDiskRequiresRecreateError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.iSCSIVirtualDiskRequiresRecreateError) -f $Splat.Path $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null { Test-TargetResource @Splat } | Should Throw $errorRecord } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk exists and should but has a different SizeBytes' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } It 'should throw an iSCSIVirtualDiskRequiresRecreateError exception' { $Splat = $TestVirtualDisk.Clone() $Splat.SizeBytes = $Splat.SizeBytes + 100MB $errorId = 'iSCSIVirtualDiskRequiresRecreateError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.iSCSIVirtualDiskRequiresRecreateError) -f $Splat.Path $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null { Test-TargetResource @Splat } | Should Throw $errorRecord } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk exists and should but has a different ParentPath' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } It 'should throw an iSCSIVirtualDiskRequiresRecreateError exception' { $Splat = $TestVirtualDisk.Clone() $Splat.ParentPath = 'c:\NewParent.vhdx' $errorId = 'iSCSIVirtualDiskRequiresRecreateError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.iSCSIVirtualDiskRequiresRecreateError) -f $Splat.Path $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null { Test-TargetResource @Splat } | Should Throw $errorRecord } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk exists and should and all parameters match' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } It 'should return true' { { $Splat = $TestVirtualDisk.Clone() Test-TargetResource @Splat | Should Be $True } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk exists but should not' { Mock Get-iSCSIVirtualDisk -MockWith { return @($MockVirtualDisk) } It 'should return false' { { $Splat = $TestVirtualDisk.Clone() $Splat.Ensure = 'Absent' Test-TargetResource @Splat | Should Be $False } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } Context 'Virtual Disk does not exist and should not' { Mock Get-iSCSIVirtualDisk It 'should return true' { { $Splat = $TestVirtualDisk.Clone() $Splat.Ensure = 'Absent' Test-TargetResource @Splat | Should Be $True } | Should Not Throw } It 'should call expected Mocks' { Assert-MockCalled -commandName Get-iSCSIVirtualDisk -Exactly 1 } } } Describe "$($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 } } } } #endregion } finally { #region FOOTER Restore-TestEnvironment -TestEnvironment $TestEnvironment #endregion } |