Tests/Unit/MSFT_SqlServerConfiguration.Tests.ps1
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$script:DSCModuleName = 'SqlServerDsc' $script:DSCResourceName = 'MSFT_SqlServerConfiguration' # Unit Test Template Version: 1.1.0 [System.String] $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 (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1') -Force $TestEnvironment = Initialize-TestEnvironment ` -DSCModuleName $script:DSCModuleName ` -DSCResourceName $script:DSCResourceName ` -TestType Unit $defaultState = @{ ServerName = 'CLU01' InstanceName = 'ClusteredInstance' OptionName = 'user connections' OptionValue = 0 RestartService = $false RestartTimeout = 120 } $desiredState = @{ ServerName = 'CLU01' InstanceName = 'ClusteredInstance' OptionName = 'user connections' OptionValue = 500 RestartService = $false RestartTimeout = 120 } $desiredStateRestart = @{ ServerName = 'CLU01' InstanceName = 'ClusteredInstance' OptionName = 'user connections' OptionValue = 5000 RestartService = $true RestartTimeout = 120 } $dynamicOption = @{ ServerName = 'CLU02' InstanceName = 'ClusteredInstance' OptionName = 'show advanced options' OptionValue = 0 RestartService = $false RestartTimeout = 120 } $invalidOption = @{ ServerName = 'CLU01' InstanceName = 'MSSQLSERVER' OptionName = 'Does Not Exist' OptionValue = 1 RestartService = $false RestartTimeout = 120 } try { Describe "$($script:DSCResourceName)\Get-TargetResource" { Context 'The system is not in the desired state' { Mock -CommandName Connect-SQL -MockWith { $mock = New-Object -TypeName PSObject -Property @{ Configuration = @{ Properties = @( @{ DisplayName = 'user connections' ConfigValue = 0 } ) } } # Add the Alter method. $mock.Configuration | Add-Member -MemberType ScriptMethod -Name Alter -Value {} return $mock } -ModuleName $script:DSCResourceName -Verifiable # Get the current state. $result = Get-TargetResource @desiredState It 'Should return the same values as passed' { $result.ServerName | Should -Be $desiredState.ServerName $result.InstanceName | Should -Be $desiredState.InstanceName $result.OptionName | Should -Be $desiredState.OptionName $result.OptionValue | Should -Not -Be $desiredState.OptionValue $result.RestartService | Should -Be $desiredState.RestartService $result.RestartTimeout | Should -Be $desiredState.RestartTimeout } It 'Should call Connect-SQL mock when getting the current state' { Assert-MockCalled -ModuleName $script:DSCResourceName -CommandName Connect-SQL -Scope Context -Times 1 } } Context 'The system is in the desired state' { Mock -CommandName Connect-SQL -MockWith { $mock = New-Object -TypeName PSObject -Property @{ Configuration = @{ Properties = @( @{ DisplayName = 'user connections' ConfigValue = 500 } ) } } # Add the Alter method. $mock.Configuration | Add-Member -MemberType ScriptMethod -Name Alter -Value {} return $mock } -ModuleName $script:DSCResourceName -Verifiable # Get the current state. $result = Get-TargetResource @desiredState It 'Should return the same values as passed' { $result.ServerName | Should -Be $desiredState.ServerName $result.InstanceName | Should -Be $desiredState.InstanceName $result.OptionName | Should -Be $desiredState.OptionName $result.OptionValue | Should -Be $desiredState.OptionValue $result.RestartService | Should -Be $desiredState.RestartService $result.RestartTimeout | Should -Be $desiredState.RestartTimeout } It 'Should call Connect-SQL mock when getting the current state' { Assert-MockCalled -ModuleName $script:DSCResourceName -CommandName Connect-SQL -Scope Context -Times 1 } } Context 'Invalid option name is supplied' { Mock -CommandName Connect-SQL -MockWith { $mock = New-Object -TypeName PSObject -Property @{ Configuration = @{ Properties = @( @{ DisplayName = 'user connections' ConfigValue = 0 } ) } } # Add the Alter method. $mock.Configuration | Add-Member -MemberType ScriptMethod -Name Alter -Value {} return $mock } -ModuleName $script:DSCResourceName -Verifiable It 'Should throw the correct error message' { $errorMessage = ($script:localizedData.ConfigurationOptionNotFound -f $invalidOption.OptionName) { Get-TargetResource @invalidOption } | Should -Throw $errorMessage } } } Describe "$($script:DSCResourceName)\Test-TargetResource" { Mock -CommandName Connect-SQL -MockWith { $mock = New-Object -TypeName PSObject -Property @{ Configuration = @{ Properties = @( @{ DisplayName = 'user connections' ConfigValue = 500 } ) } } # Add the Alter method. $mock.Configuration | Add-Member -MemberType ScriptMethod -Name Alter -Value {} return $mock } -ModuleName $script:DSCResourceName -Verifiable It 'Should cause Test-TargetResource to return false when not in the desired state' { Test-TargetResource @defaultState | Should -Be $false } It 'Should cause Test-TargetResource method to return true' { Test-TargetResource @desiredState | Should -Be $true } } Describe "$($script:DSCResourceName)\Set-TargetResource" { Mock -CommandName New-TerminatingError -ModuleName $script:DSCResourceName Mock -CommandName Connect-SQL -MockWith { $mock = New-Object -TypeName PSObject -Property @{ Configuration = @{ Properties = @( @{ DisplayName = 'user connections' ConfigValue = 0 IsDynamic = $false } ) } } # Add the Alter method. $mock.Configuration | Add-Member -MemberType ScriptMethod -Name Alter -Value {} return $mock } -ModuleName $script:DSCResourceName -Verifiable -ParameterFilter { $SQLServer -eq 'CLU01' } Mock -CommandName Connect-SQL -MockWith { $mock = New-Object -TypeName PSObject -Property @{ Configuration = @{ Properties = @( @{ DisplayName = 'show advanced options' ConfigValue = 1 IsDynamic = $true } ) } } # Add the Alter method. $mock.Configuration | Add-Member -MemberType ScriptMethod -Name Alter -Value {} return $mock } -ModuleName $script:DSCResourceName -Verifiable -ParameterFilter { $SQLServer -eq 'CLU02' } Mock -CommandName Restart-SqlService -ModuleName $script:DSCResourceName -Verifiable Mock -CommandName Write-Warning -ModuleName $script:DSCResourceName -Verifiable Context 'Change the system to the desired state' { It 'Should not restart SQL for a dynamic option' { Set-TargetResource @dynamicOption Assert-MockCalled -ModuleName $script:DSCResourceName -CommandName Restart-SqlService -Scope It -Times 0 -Exactly } It 'Should restart SQL for a non-dynamic option' { Set-TargetResource @desiredStateRestart Assert-MockCalled -ModuleName $script:DSCResourceName -CommandName Restart-SqlService -Scope It -Times 1 -Exactly } It 'Should warn about restart when required, but not requested' { Set-TargetResource @desiredState Assert-MockCalled -ModuleName $script:DSCResourceName -CommandName Write-Warning -Scope It -Times 1 -Exactly Assert-MockCalled -ModuleName $script:DSCResourceName -CommandName Restart-SqlService -Scope It -Times 0 -Exactly } It 'Should call Connect-SQL to get option values' { Assert-MockCalled -ModuleName $script:DSCResourceName -CommandName Connect-SQL -Scope Context -Times 3 } } Context 'Invalid option name is supplied' { Mock -CommandName Connect-SQL -MockWith { $mock = New-Object -TypeName PSObject -Property @{ Configuration = @{ Properties = @( @{ DisplayName = 'user connections' ConfigValue = 0 } ) } } # Add the Alter method. $mock.Configuration | Add-Member -MemberType ScriptMethod -Name Alter -Value {} return $mock } -ModuleName $script:DSCResourceName -Verifiable It 'Should throw the correct error message' { $errorMessage = ($script:localizedData.ConfigurationOptionNotFound -f $invalidOption.OptionName) { Set-TargetResource @invalidOption } | Should -Throw $errorMessage } } } } finally { Restore-TestEnvironment -TestEnvironment $TestEnvironment } |