Tests/Unit/MSFT_PowerShellExecutionpolicy.Tests.ps1
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#region HEADER $script:dscModuleName = 'ComputerManagementDsc' $script:dscResourceName = 'MSFT_PowershellExecutionPolicy' Import-Module -Name (Join-Path -Path (Join-Path -Path (Split-Path $PSScriptRoot -Parent) -ChildPath 'TestHelpers') -ChildPath 'CommonTestHelper.psm1') -Global # Unit Test Template Version: 1.2.4 $script:moduleRoot = Split-Path -Parent (Split-Path -Parent $PSScriptRoot) if ( (-not (Test-Path -Path (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResource.Tests'))) -or ` (-not (Test-Path -Path (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1'))) ) { & git @('clone', 'https://github.com/PowerShell/DscResource.Tests.git', (Join-Path -Path $script:moduleRoot -ChildPath 'DscResource.Tests')) } Import-Module -Name (Join-Path -Path $script:moduleRoot -ChildPath (Join-Path -Path 'DSCResource.Tests' -ChildPath 'TestHelper.psm1')) -Force $TestEnvironment = Initialize-TestEnvironment ` -DSCModuleName $script:dscModuleName ` -DSCResourceName $script:dscResourceName ` -ResourceType 'Mof' ` -TestType Unit #endregion HEADER $Script:invalidPolicyThrowMessage = @" Cannot validate argument on parameter 'ExecutionPolicy'. The argument `"badParam`" does not belong to the set `"Bypass,Restricted,AllSigned,RemoteSigned,Unrestricted`" specified by the ValidateSet attribute. Supply an argument that is in the set and then try the command again. "@ $Script:invalidPolicyExecutionPolicyScopeThrowMessage = @" Cannot validate argument on parameter 'ExecutionPolicyScope'. The argument `"badParam`" does not belong to the set `"CurrentUser,LocalMachine,MachinePolicy,Process,UserPolicy`" specified by the ValidateSet attribute. Supply an argument that is in the set and then try the command again. "@ # Begin Testing try { <# The InModuleScope command allows you to perform white-box unit testing on the internal (non-exported) code of a Script Module. #> InModuleScope $script:dscResourceName { $script:dscResourceName = 'MSFT_PowershellExecutionPolicy' #region Function Get-TargetResource Describe "$($script:dscResourceName)\Get-TargetResource" { It 'Throws when passed an invalid execution policy' { { Get-TargetResource -ExecutionPolicy 'badParam' -Scope 'LocalMachine' } | Should -Throw $Script:invalidPolicyThrowMessage } It 'Returns correct execution policy' { Mock Get-ExecutionPolicy { 'Unrestricted' } $result = Get-TargetResource -ExecutionPolicy $(Get-ExecutionPolicy ) -ExecutionPolicyScope 'LocalMachine' $result.ExecutionPolicy | Should -Be $(Get-ExecutionPolicy) } It 'Throws when passed an invalid execution policy ExecutionPolicyScope' { { Get-TargetResource -ExecutionPolicy $(Get-ExecutionPolicy) -ExecutionPolicyScope "badParam" } | Should -Throw $Script:invalidPolicyExecutionPolicyScopeThrowMessage } It 'Returns correct execution policy for the correct ExecutionPolicyScope' { $result = Get-TargetResource -ExecutionPolicy $(Get-ExecutionPolicy -Scope 'LocalMachine') -ExecutionPolicyScope 'LocalMachine' $result.ExecutionPolicy | Should -Be $(Get-ExecutionPolicy -Scope 'LocalMachine') $result.ExecutionPolicyScope | Should -Be 'LocalMachine' } } #endregion #region Function Test-TargetResource Describe "$($script:dscResourceName)\Test-TargetResource" { It 'Throws when passed an invalid execution policy' { { Test-TargetResource -ExecutionPolicy 'badParam' -Scope 'LocalMachine' } | Should -Throw $Script:invalidPolicyThrowMessage } It 'Returns true when current policy matches desired policy' { Mock Get-ExecutionPolicy { 'Unrestricted' } Test-TargetResource -ExecutionPolicy $(Get-ExecutionPolicy) -ExecutionPolicyScope 'LocalMachine' | Should -BeTrue } It 'Returns false when current policy does not match desired policy' { Mock -CommandName Get-ExecutionPolicy -MockWith { 'Restricted' } Test-TargetResource -ExecutionPolicy 'Bypass' -ExecutionPolicyScope 'LocalMachine' | Should -BeFalse } It 'Throws when passed an invalid execution policy Scope' { { Test-TargetResource -ExecutionPolicy 'badParam' } | Should -Throw $Script:invalidPolicyThrowMessage } It 'Returns true when current policy matches desired policy with correct Scope' { Test-TargetResource -ExecutionPolicy $(Get-ExecutionPolicy) -ExecutionPolicyScope 'LocalMachine' | Should -BeTrue } It 'Returns false when current policy does not match desired policy with correct ExecutionPolicyScope' { Mock -CommandName Get-ExecutionPolicy -MockWith { 'Restricted' } Test-TargetResource -ExecutionPolicy 'Bypass' -ExecutionPolicyScope 'LocalMachine' | Should -BeFalse } } #endregion #region Function Set-TargetResource Describe "$script:dscResourceName\Set-TargetResource" { It 'Throws when passed an invalid execution policy' { { Set-TargetResource -ExecutionPolicy 'badParam' -Scope 'LocalMachine' } | Should -Throw $Script:invalidPolicyThrowMessage } It 'Throws when passed an invalid scope level' { { Set-TargetResource -ExecutionPolicy 'LocalMachine' -ExecutionPolicyScope 'badParam' } | Should -Throw $Script:invalidScopeThrowMessage } It 'Catches execution policy scope warning exception' { Mock -CommandName Set-ExecutionPolicy -MockWith { Throw 'ExecutionPolicyOverride,Microsoft.PowerShell.Commands.SetExecutionPolicyCommand' } $result = Set-TargetResource -ExecutionPolicy 'Bypass' -ExecutionPolicyScope 'LocalMachine' $result | Should -Be $null } It 'Throws non-caught exceptions' { Mock -CommandName Set-ExecutionPolicy -MockWith { Throw 'Throw me!' } { Set-TargetResource -ExecutionPolicy 'Bypass' -ExecutionPolicyScope 'LocalMachine' } | Should -Throw 'Throw me!' } It 'Sets execution policy' { Mock -CommandName Set-ExecutionPolicy -MockWith { } Set-TargetResource -ExecutionPolicy 'Bypass' -ExecutionPolicyScope 'LocalMachine' Assert-MockCalled -CommandName Set-ExecutionPolicy -Exactly 1 -Scope It } It 'Sets execution policy in specified Scope' { Mock -CommandName Set-ExecutionPolicy -MockWith { } Set-TargetResource -ExecutionPolicy 'Bypass' -ExecutionPolicyScope 'LocalMachine' Assert-MockCalled -CommandName Set-ExecutionPolicy -Exactly 1 -Scope It } } #endregion } } finally { Restore-TestEnvironment -TestEnvironment $TestEnvironment } |