Tests/xDscResourceDesigner.Tests.ps1
|
#requires -RunAsAdministrator # Test-xDscResource requires administrator privileges, so we may as well enforce that here. end { Get-Module xDscResourceDesigner -All | Remove-Module -Force $script:modulePath = Join-Path -Path (Split-Path $PSScriptRoot -Parent) -ChildPath 'xDscResourceDesigner.psd1' Import-Module -Name $script:modulePath -ErrorAction Stop Describe 'xDscResourceDesigner' { It 'Should not error if imported twice' { Get-Module xDscResourceDesigner -All | Remove-Module -Force { Import-Module $script:modulePath -ErrorAction Stop } | Should Not Throw } } Describe Test-xDscResource { Context 'A module with a psm1 file but no matching schema.mof' { Setup -Dir TestResource Setup -File TestResource\TestResource.psm1 -Content (Get-TestDscResourceModuleContent) It 'Should fail the test' { $null = $($result = Test-xDscResource -Name $TestDrive\TestResource) 2>&1 $result | Should Be $false } } Context 'A module with a schema.mof file but no psm1 file' { Setup -Dir TestResource Setup -File TestResource\TestResource.schema.mof -Content (Get-TestDscResourceSchemaContent) It 'Should fail the test' { $null = $($result = Test-xDscResource -Name $TestDrive\TestResource) 2>&1 $result | Should Be $false } } Context 'A resource with both required files, valid contents' { Setup -Dir TestResource Setup -File TestResource\TestResource.schema.mof -Content (Get-TestDscResourceSchemaContent) Setup -File TestResource\TestResource.psm1 -Content (Get-TestDscResourceModuleContent) It 'Should pass the test' { $result = Test-xDscResource -Name $TestDrive\TestResource $result | Should Be $true } } Context 'A resource with both required files, but schema mof has encoding UTF8 BOM' { BeforeAll { Mock -CommandName 'Write-Error' -ModuleName 'xDscResourceDesigner' } Setup -Dir TestResource Setup -File TestResource\TestResource.psm1 -Content (Get-TestDscResourceModuleContent) Get-TestDscResourceSchemaContent | Out-File -Encoding utf8 -FilePath (Join-Path -Path $TestDrive -ChildPath 'TestResource\TestResource.schema.mof') -Force It 'Should write out the correct error to console, and return $false' { $result = Test-xDscResource -Name $TestDrive\TestResource $result | Should Be $false Assert-MockCalled -CommandName 'Write-Error' -ParameterFilter { $message -eq 'The encoding for the schema file is not supported. Please use Unicode or ASCII (Unicode is not well supported in GIT.)' } -Exactly -Times 1 -ModuleName 'xDscResourceDesigner' } } } Describe New-xDscResourceProperty { $hash = @{ Result = $null } It 'Allows the use of the ValidateSet parameter' { $scriptBlock = { $hash.Result = New-xDscResourceProperty -Name Ensure -Type String -Attribute Required -ValidateSet 'Present','Absent' } $scriptBlock | Should Not Throw $hash.Result.Values.Count | Should Be 2 $hash.Result.Values[0] | Should Be 'Present' $hash.Result.Values[1] | Should Be 'Absent' $hash.Result.ValueMap.Count | Should Be 2 $hash.Result.ValueMap[0] | Should Be 'Present' $hash.Result.ValueMap[1] | Should Be 'Absent' } It 'Allows the use of the ValueMap and Values parameters' { $scriptBlock = { $hash.Result = New-xDscResourceProperty -Name Ensure -Type String -Attribute Required -Values 'Present','Absent' -ValueMap 'Present','Absent' } $scriptBlock | Should Not Throw $hash.Result.Values.Count | Should Be 2 $hash.Result.Values[0] | Should Be 'Present' $hash.Result.Values[1] | Should Be 'Absent' $hash.Result.ValueMap.Count | Should Be 2 $hash.Result.ValueMap[0] | Should Be 'Present' $hash.Result.ValueMap[1] | Should Be 'Absent' } It 'Does not allow ValidateSet and Values / ValueMap to be used together' { $scriptBlock = { New-xDscResourceProperty -Name Ensure ` -Type String ` -Attribute Required ` -Values 'Present','Absent' ` -ValueMap 'Present','Absent' ` -ValidateSet 'Present', 'Absent' } $scriptBlock | Should Throw 'Parameter set cannot be resolved' } } InModuleScope xDscResourceDesigner { function Get-xDSCSchemaFriendlyName { Param( $Path ) $cimClass = 0 Try { [System.Void](Test-xDscSchemaInternal -Schema $Path -SchemaCimClass ([ref]$cimClass) -ErrorAction Stop 2>&1) if($cimClass -ne 0) { $FriendlyName = $cimClass.CimClassQualifiers.Where{$_.Name -eq 'FriendlyName'}.Value } } Catch { Throw } return $FriendlyName } Describe 'Creating and updating resources' { Context 'Creating and updating a DSC Resource' { Setup -Dir TestResource #region Create New Resource $ResourceProperties = $( New-xDscResourceProperty -Name KeyProperty -Type String -Attribute Key New-xDscResourceProperty -Name RequiredProperty -Type String -Attribute Required New-xDscResourceProperty -Name WriteProperty -Type String -Attribute Write New-xDscResourceProperty -Name ReadProperty -Type String -Attribute Read ) New-xDscResource -Name TestResource -FriendlyName cTestResource -Path $TestDrive -Property $ResourceProperties -Force $OriginalFriendlyName = Get-xDSCSchemaFriendlyName -Path "$TestDrive\DSCResources\TestResource\TestResource.schema.mof" $NewSchemaContent = Get-Content -Path "$TestDrive\DSCResources\TestResource\TestResource.schema.mof" -Raw $NewModuleContent = Get-Content -Path "$TestDrive\DSCResources\TestResource\TestResource.psm1" -Raw It 'Creates a valid module script and schema' { Test-xDscResource -Name "$TestDrive\DSCResources\TestResource" | Should Be $true } #endregion #region Update Resource using exact same config (should result in unchanged resource) Update-xDscResource -Path "$TestDrive\DSCResources\TestResource" -Property $ResourceProperties -Force $UpdatedFriendlyName = Get-xDSCSchemaFriendlyName -Path "$TestDrive\DSCResources\TestResource\TestResource.schema.mof" $UpdatedSchemaContent = Get-Content -Path "$TestDrive\DSCResources\TestResource\TestResource.schema.mof" -Raw $UpdatedModuleContent = Get-Content -Path "$TestDrive\DSCResources\TestResource\TestResource.psm1" -Raw It 'Updated Module Script and Schema should be equal to original' { $NewSchemaContent -eq $UpdatedSchemaContent | Should Be $true $NewModuleContent -eq $UpdatedModuleContent | Should Be $true } #endregion #region Update Resurce again using same config but specify new FriendlyName Update-xDscResource -Path "$TestDrive\DSCResources\TestResource" -Property $ResourceProperties -FriendlyName TestResource -Force $ChangedFriendlyName = Get-xDSCSchemaFriendlyName -Path "$TestDrive\DSCResources\TestResource\TestResource.schema.mof" It 'Changes friendly name in Schema when using -FriendlyName with Update-xDscResource' { $OriginalFriendlyName -ne $ChangedFriendlyName | Should Be $true $ChangedFriendlyName -eq 'TestResource' | Should Be $true } #endregion #region Change FrientlyName back to original value and validate that schema is identical to original schema Update-xDscResource -Path "$TestDrive\DSCResources\TestResource" -Property $ResourceProperties -FriendlyName cTestResource -Force $RestoredSchemaContent = Get-Content -Path "$TestDrive\DSCResources\TestResource\TestResource.schema.mof" -Raw It 'Changes ONLY friendly name in Schema when using -FriendlyName with Update-xDscResource' { $NewSchemaContent -eq $RestoredSchemaContent | Should Be $true } #endregion } } } } begin { function Get-TestDscResourceModuleContent { $content = @' function Get-TargetResource { [OutputType([hashtable])] [CmdletBinding()] param ( [Parameter(Mandatory)] [string] $KeyProperty, [Parameter(Mandatory)] [string] $RequiredProperty ) return @{ KeyProperty = $KeyProperty RequiredProperty = 'Required Property' WriteProperty = 'Write Property' ReadProperty = 'Read Property' } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory)] [string] $KeyProperty, [Parameter(Mandatory)] [string] $RequiredProperty, [string] $WriteProperty, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $SubClass ) } function Test-TargetResource { [OutputType([bool])] [CmdletBinding()] param ( [Parameter(Mandatory)] [string] $KeyProperty, [Parameter(Mandatory)] [string] $RequiredProperty, [string] $WriteProperty, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $SubClass ) return $false } '@ return $content } function Get-TestDscResourceSchemaContent { $content = @' [ClassVersion("1.0.0"), FriendlyName("cTestResource")] class TestResource : OMI_BaseResource { [Key] string KeyProperty; [required] string RequiredProperty; [write] string WriteProperty; [read] string ReadProperty; [write, EmbeddedInstance("SubClass")] string SubClass; }; [ClassVersion("1.0.0")] class SubClass { [write] string WriteProperty1; [write] string WriteProperty2; }; '@ return $content } } |