Tests/Unit/MSFT_xSQLServerDatabaseOwner.Tests.ps1
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$script:DSCModuleName = 'xSQLServer' $script:DSCResourceName = 'MSFT_xSQLServerDatabaseOwner' #region HEADER # Unit Test Template Version: 1.1.0 [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 #endregion HEADER # Begin Testing try { #region Pester Test Initialization # Loading mocked classes Add-Type -Path (Join-Path -Path $script:moduleRoot -ChildPath 'Tests\Unit\Stubs\SMO.cs') $defaultParameters = @{ SQLInstanceName = 'MSSQLSERVER' SQLServer = 'localhost' } #endregion Pester Test Initialization Describe "$($script:DSCResourceName)\Get-TargetResource" { Mock -CommandName Connect-SQL -MockWith { return New-Object Object | Add-Member ScriptProperty Databases { return @{ 'AdventureWorks' = @( ( New-Object Microsoft.SqlServer.Management.Smo.Database -ArgumentList @( $null, 'AdventureWorks') ) ) } } -PassThru -Force } -ModuleName $script:DSCResourceName -Verifiable Context 'When the system is not in the desired state' { $testParameters = $defaultParameters $testParameters += @{ Database = 'AdventureWorks' Name = 'CONTOSO\SqlServiceAcct' } Mock -CommandName Get-SqlDatabaseOwner -MockWith { return $null } -ModuleName $script:DSCResourceName -Verifiable $result = Get-TargetResource @testParameters It 'Should return the name as null from the get method' { $result.Name | Should Be $null } It 'Should return the same values as passed as parameters' { $result.SQLServer | Should Be $testParameters.SQLServer $result.SQLInstanceName | Should Be $testParameters.SQLInstanceName $result.Database | Should Be $testParameters.Database } It 'Should call the mock functions Connect-SQL and Get-SqlDatabaseOwner' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope Context Assert-MockCalled Get-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope Context } } Context 'When the specified database does not exist' { $testParameters = $defaultParameters $testParameters += @{ Database = 'UnknownDatabase' Name = 'CONTOSO\SqlServiceAcct' } Mock -CommandName Get-SqlDatabaseOwner -MockWith { return $null } -ModuleName $script:DSCResourceName -Verifiable $result = Get-TargetResource @testParameters It 'Should return the name as null from the get method' { $result.Name | Should Be $null } It 'Should return the same values as passed as parameters' { $result.SQLServer | Should Be $testParameters.SQLServer $result.SQLInstanceName | Should Be $testParameters.SQLInstanceName $result.Database | Should Be $testParameters.Database } It 'Should call the mock functions Connect-SQL and Get-SqlDatabaseOwner' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope Context Assert-MockCalled Get-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope Context } } Context 'When the system is in the desired state' { $testParameters = $defaultParameters $testParameters += @{ Database = 'AdventureWorks' Name = 'CONTOSO\SqlServiceAcct' } Mock -CommandName Get-SqlDatabaseOwner -MockWith { return 'CONTOSO\SqlServiceAcct' } -ModuleName $script:DSCResourceName -Verifiable $result = Get-TargetResource @testParameters It 'Should return the name of the owner from the get method' { $result.Name | Should Be $testParameters.Name } It 'Should return the same values as passed as parameters' { $result.SQLServer | Should Be $testParameters.SQLServer $result.SQLInstanceName | Should Be $testParameters.SQLInstanceName $result.Database | Should Be $testParameters.Database } It 'Should call the mock functions Connect-SQL and Get-SqlDatabaseOwner' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope Context Assert-MockCalled Get-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope Context } } Assert-VerifiableMocks } Describe "$($script:DSCResourceName)\Test-TargetResource" { Mock -CommandName Connect-SQL -MockWith { return New-Object Object | Add-Member ScriptProperty Databases { return @{ 'AdventureWorks' = @( ( New-Object Microsoft.SqlServer.Management.Smo.Database -ArgumentList @( $null, 'AdventureWorks') ) ) } } -PassThru -Force } -ModuleName $script:DSCResourceName -Verifiable Context 'When the system is not in the desired state' { It 'Should return the state as false when desired login is not the database owner' { $testParameters = $defaultParameters $testParameters += @{ Database = 'AdventureWorks' Name = 'CONTOSO\SqlServiceAcct' } Mock -CommandName Get-SqlDatabaseOwner -MockWith { return $null } -ModuleName $script:DSCResourceName -Verifiable $result = Test-TargetResource @testParameters $result | Should Be $false Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It Assert-MockCalled Get-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It } } Context 'When the system is in the desired state' { It 'Should return the state as true when desired login is the database owner' { $testParameters = $defaultParameters $testParameters += @{ Database = 'AdventureWorks' Name = 'CONTOSO\SqlServiceAcct' } Mock -CommandName Get-SqlDatabaseOwner -MockWith { 'CONTOSO\SqlServiceAcct' } -ModuleName $script:DSCResourceName -Verifiable $result = Test-TargetResource @testParameters $result | Should Be $true Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It Assert-MockCalled Get-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It } } Assert-VerifiableMocks } Describe "$($script:DSCResourceName)\Set-TargetResource" { Mock -CommandName Connect-SQL -MockWith { return New-Object Object | Add-Member ScriptProperty Databases { return @{ 'AdventureWorks' = @( ( New-Object Microsoft.SqlServer.Management.Smo.Database -ArgumentList @( $null, 'AdventureWorks') ) ) } } -PassThru -Force } -ModuleName $script:DSCResourceName -Verifiable Context 'When the system is not in the desired state' { $testParameters = $defaultParameters $testParameters += @{ Database = 'AdventureWorks' Name = 'CONTOSO\SqlServiceAcct' } It 'Should call the function Set-SqlDatabaseOwner when desired login is not the database owner' { Mock -CommandName Set-SqlDatabaseOwner -MockWith { } -ModuleName $script:DSCResourceName -Verifiable Set-TargetResource @testParameters Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It Assert-MockCalled Set-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It } $testParameters.Database = 'UnknownDatabase' It 'Should throw an error when desired database does not exist' { Mock -CommandName Set-SqlDatabaseOwner -MockWith { return Throw } -ModuleName $script:DSCResourceName -Verifiable { Set-TargetResource @testParameters } | Should Throw "Failed to setting the owner of database UnknownDatabase" Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It Assert-MockCalled Set-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It } } Context 'When the system is in the desired state' { $testParameters = $defaultParameters $testParameters += @{ Database = 'AdventureWorks' Name = 'CONTOSO\SqlServiceAcct' } It 'Should not call the function Set-SqlDatabaseOwner when desired login is the database owner' { Mock -CommandName Get-SqlDatabaseOwner -MockWith { 'CONTOSO\SqlServiceAcct' } -ModuleName $script:DSCResourceName -Verifiable Mock -CommandName Set-SqlDatabaseOwner -MockWith { return Throw } -ModuleName $script:DSCResourceName -Verifiable $result = Get-TargetResource @testParameters Assert-MockCalled Connect-SQL -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It Assert-MockCalled Get-SqlDatabaseOwner -Exactly -Times 1 -ModuleName $script:DSCResourceName -Scope It Assert-MockCalled Set-SqlDatabaseOwner -Exactly -Times 0 -ModuleName $script:DSCResourceName -Scope It } } Assert-VerifiableMocks } } finally { #region FOOTER Restore-TestEnvironment -TestEnvironment $TestEnvironment #endregion } |