tests/unit/MSFT_xDisk.tests.ps1
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<#
.Synopsis Unit tests for xDisk .DESCRIPTION Unit tests for xDisk .NOTES Code in HEADER and FOOTER regions are standard and may be moved into DSCResource.Tools in Future and therefore should not be altered if possible. #> $Global:DSCModuleName = 'xDisk' # Example xNetworking $Global:DSCResourceName = 'MSFT_xDisk' # Example MSFT_xFirewall #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 # The InModuleScope command allows you to perform white-box unit testing on the internal # (non-exported) code of a Script Module. InModuleScope $Global:DSCResourceName { #region Pester Test Initialization $global:mockedDisk0 = [pscustomobject] @{ Number = 0 DiskNumber = 0 IsOffline = $false IsReadOnly = $false PartitionStyle = 'GPT' } $global:mockedDisk0Raw = [pscustomobject] @{ Number = 0 DiskNumber = 0 IsOffline = $false IsReadOnly = $false PartitionStyle = 'Raw' } $global:mockedWmi = [pscustomobject] @{BlockSize=4096} $Global:mockedPartition = [pscustomobject] @{ DriveLetter='F' Size=123 } $global:mockedVolume = [pscustomobject] @{ FileSystemLabel='myLabel' DriveLetter='F' } #endregion #region Function Get-TargetResource Describe "$($Global:DSCResourceName)\Get-TargetResource" { # verifiable (should be called) mocks Mock Get-WmiObject -mockwith {return $global:mockedWmi} Mock Get-CimInstance -mockwith {return $global:mockedWmi} Mock Get-Disk -mockwith {return $global:mockedDisk0} -verifiable Mock Get-Partition -mockwith {return $Global:mockedPartition} -verifiable Mock Get-Volume -mockwith {return $global:mockedVolume} -verifiable $resource = Get-TargetResource -DiskNumber 0 -DriveLetter 'G' -verbose it "DiskNumber should be 0" { $resource.DiskNumber | should be 0 } it "DriveLetter should be F" { $resource.DriveLetter | should be 'F' } it "Size should be 123" { $resource.Size | should be 123 } it "FSLabel should be myLabel" { $resource.FSLabel | should be 'myLabel' } it "AllocationUnitSize should be 4096" { $resource.AllocationUnitSize | should be 4096 } it "all the get mocks should be called" { Assert-VerifiableMocks } } #endregion #region Function Test-TargetResource Describe "$($Global:DSCResourceName)\Test-TargetResource" { context 'Test matching AllocationUnitSize' { # verifiable (should be called) mocks Mock Get-WmiObject -mockwith {return $global:mockedWmi} Mock Get-CimInstance -mockwith {return $global:mockedWmi} Mock Get-Disk -mockwith {return $global:mockedDisk0} -verifiable Mock Get-Partition -mockwith {return $Global:mockedPartition} -verifiable # mocks that should not be called Mock Get-Volume -mockwith {return $global:mockedVolume} $script:result = $null it 'calling test should not throw' { {$script:result = Test-TargetResource -DiskNumber 0 -DriveLetter 'F' -AllocationUnitSize 4096 -verbose} | should not throw } it "result should be true" { $script:result | should be $true } it "the correct mocks were called" { Assert-VerifiableMocks Assert-MockCalled -CommandName Get-Volume -Times 0 } } context 'Test mismatched AllocationUnitSize' { # verifiable (should be called) mocks Mock Get-WmiObject -mockwith {return $global:mockedWmi} Mock Get-CimInstance -mockwith {return $global:mockedWmi} Mock Get-Disk -mockwith {return $global:mockedDisk0} -verifiable Mock Get-Partition -mockwith {return $Global:mockedPartition} -verifiable # mocks that should not be called Mock Get-Volume -mockwith {return $global:mockedVolume} $script:result = $null it 'calling test should not throw' { {$script:result = Test-TargetResource -DiskNumber 0 -DriveLetter 'F' -AllocationUnitSize 4097 -verbose} | should not throw } # skipped due to: https://github.com/PowerShell/xStorage/issues/22 it "result should be true" -skip { $script:result | should be $false } it "the correct mocks were called" { Assert-VerifiableMocks Assert-MockCalled -CommandName Get-Volume -Times 0 } } } #endregion #region Function Set-TargetResource Describe "$($Global:DSCResourceName)\Set-TargetResource" { context 'Online Formatted disk' { # verifiable (should be called) mocks Mock Format-Volume -mockwith {} Mock Get-Disk -mockwith {return $global:mockedDisk0Raw} -verifiable Mock Initialize-Disk -mockwith {} -verifiable Mock New-Partition -mockwith {return [pscustomobject] @{DriveLetter='Z'}} Mock Set-Partition -MockWith {} # mocks that should not be called Mock Get-WmiObject -mockwith {return $global:mockedWmi} Mock Get-CimInstance -mockwith {return $global:mockedWmi} Mock Get-Partition -mockwith {return $Global:mockedPartition} -verifiable Mock Get-Volume -mockwith {return $global:mockedVolume} -verifiable Mock Set-Disk -mockwith {} it 'Should not throw' { {Set-targetResource -diskNumber 0 -driveletter G -verbose} | should not throw } it "the correct mocks were called" { Assert-VerifiableMocks Assert-MockCalled -CommandName Set-Partition -Times 1 -ParameterFilter { $DriveLetter -eq 'F' -and $NewDriveLetter -eq 'G' } Assert-MockCalled -CommandName Format-Volume -Times 0 Assert-MockCalled -CommandName Get-Volume -Times 2 Assert-MockCalled -CommandName Get-Partition -Times 2 Assert-MockCalled -CommandName Set-Disk -Times 0 Assert-MockCalled -CommandName Get-WmiObject -Times 0 Assert-MockCalled -CommandName New-Partition -Times 0 } } context 'Online Unformatted disk' { # verifiable (should be called) mocks Mock Format-Volume -mockwith {} Mock Get-Disk -mockwith {return $global:mockedDisk0Raw} -verifiable Mock Initialize-Disk -mockwith {} -verifiable Mock New-Partition -mockwith {return [pscustomobject] @{DriveLetter='Z'}} Mock Get-Volume -mockwith {} -verifiable # mocks that should not be called Mock Get-WmiObject -mockwith {return $global:mockedWmi} Mock Get-CimInstance -mockwith {return $global:mockedWmi} Mock Get-Partition -mockwith {return $Global:mockedPartition} -verifiable Mock Set-Disk -mockwith {} Mock Set-Partition -MockWith {} it 'Should not throw' { {Set-targetResource -diskNumber 0 -driveletter G -verbose} | should not throw } it "the correct mocks were called" { Assert-VerifiableMocks Assert-MockCalled -CommandName New-Partition -Times 1 Assert-MockCalled -CommandName Format-Volume -Times 1 Assert-MockCalled -CommandName Set-Partition -Times 0 Assert-MockCalled -CommandName Set-Disk -Times 0 Assert-MockCalled -CommandName Get-WmiObject -Times 0 Assert-MockCalled -CommandName Initialize-Disk -Times 1 Assert-MockCalled -CommandName Get-Disk -Times 1 } } # TODO: Complete Tests... } #endregion } } finally { #region FOOTER Restore-TestEnvironment -TestEnvironment $TestEnvironment #endregion } |