Tests/Unit/MSFT_SqlDatabaseOwner.Tests.ps1
$script:DSCModuleName = 'SqlServerDsc' $script:DSCResourceName = 'MSFT_SqlDatabaseOwner' #region HEADER # Unit Test Template Version: 1.2.0 $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 function Invoke-TestSetup { } function Invoke-TestCleanup { Restore-TestEnvironment -TestEnvironment $TestEnvironment } # Begin Testing try { Invoke-TestSetup InModuleScope $script:DSCResourceName { $mockServerName = 'localhost' $mockInstanceName = 'MSSQLSERVER' $mockSqlDatabaseName = 'AdventureWorks' $mockSqlServerLogin = 'Zebes\SamusAran' $mockSqlServerLoginType = 'WindowsUser' $mockDatabaseOwner = 'Elysia\Chozo' $mockInvalidOperationForSetOwnerMethod = $false $mockExpectedDatabaseOwner = 'Elysia\Chozo' # Default parameters that are used for the It-blocks $mockDefaultParameters = @{ InstanceName = $mockInstanceName ServerName = $mockServerName } #region Function mocks $mockConnectSQL = { return @( ( New-Object -TypeName Object | Add-Member -MemberType NoteProperty -Name InstanceName -Value $mockInstanceName -PassThru | Add-Member -MemberType NoteProperty -Name ComputerNamePhysicalNetBIOS -Value $mockServerName -PassThru | Add-Member -MemberType ScriptProperty -Name Databases -Value { return @{ $mockSqlDatabaseName = @(( New-Object -TypeName Object | Add-Member -MemberType NoteProperty -Name Name -Value $mockSqlDatabaseName -PassThru | Add-Member -MemberType NoteProperty -Name Owner -Value $mockDatabaseOwner -PassThru | Add-Member -MemberType ScriptMethod -Name SetOwner -Value { if ($mockInvalidOperationForSetOwnerMethod) { throw 'Mock of method SetOwner() was called with invalid operation.' } if ( $this.Owner -ne $mockExpectedDatabaseOwner ) { throw "Called mocked SetOwner() method without setting the right login. Expected '{0}'. But was '{1}'." ` -f $mockExpectedDatabaseOwner, $this.Owner } } -PassThru -Force )) } } -PassThru -Force | Add-Member -MemberType ScriptProperty -Name Logins -Value { return @{ $mockSqlServerLogin = @(( New-Object -TypeName Object | Add-Member -MemberType NoteProperty -Name LoginType -Value $mockSqlServerLoginType -PassThru )) } } -PassThru -Force ) ) } #endregion Describe "MSFT_SqlDatabaseOwner\Get-TargetResource" -Tag 'Get' { BeforeEach { Mock -CommandName Connect-SQL -MockWith $mockConnectSQL -Verifiable } Context 'When passing values to parameters and database name does not exist' { It 'Should throw the correct error' { $testParameters = $mockDefaultParameters $testParameters += @{ Database = 'unknownDatabaseName' Name = $mockSqlServerLogin } $throwInvalidOperation = ("Database 'unknownDatabaseName' does not exist " + ` "on SQL server 'localhost\MSSQLSERVER'.") { Get-TargetResource @testParameters } | Should -Throw $throwInvalidOperation } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Context 'When the system is either in the desired state or not in the desired state' { It 'Should not throw' { $testParameters = $mockDefaultParameters $testParameters += @{ Database = $mockSqlDatabaseName Name = $mockSqlServerLogin } $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.ServerName | Should -Be $testParameters.ServerName $result.InstanceName | Should -Be $testParameters.InstanceName $result.Database | Should -Be $testParameters.Database } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Assert-VerifiableMock } Describe "MSFT_SqlDatabaseOwner\Test-TargetResource" -Tag 'Test' { BeforeEach { Mock -CommandName Connect-SQL -MockWith $mockConnectSQL -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 = $mockDefaultParameters $testParameters += @{ Database = $mockSqlDatabaseName Name = $mockSqlServerLogin } $result = Test-TargetResource @testParameters $result | Should -Be $false } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Context 'When the system is in the desired state' { It 'Should return the state as true when desired login is the database owner' { $mockDatabaseOwner = 'Zebes\SamusAran' $mockSqlServerLogin = 'Zebes\SamusAran' $testParameters = $mockDefaultParameters $testParameters += @{ Database = $mockSqlDatabaseName Name = $mockSqlServerLogin } $result = Test-TargetResource @testParameters $result | Should -Be $true } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Assert-VerifiableMock } Describe "MSFT_SqlDatabaseOwner\Set-TargetResource" -Tag 'Set' { BeforeEach { Mock -CommandName Connect-SQL -MockWith $mockConnectSQL -Verifiable } Context 'When the system is not in the desired state and database name does not exist' { It 'Should throw the correct error' { $testParameters = $mockDefaultParameters $testParameters += @{ Database = 'unknownDatabaseName' Name = $mockSqlServerLogin } $throwInvalidOperation = ("Database 'unknownDatabaseName' does not exist " + ` "on SQL server 'localhost\MSSQLSERVER'.") { Set-TargetResource @testParameters } | Should -Throw $throwInvalidOperation } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Context 'When the system is not in the desired state and login name does not exist' { It 'Should throw the correct error' { $testParameters = $mockDefaultParameters $testParameters += @{ Database = $mockSqlDatabaseName Name = 'John' } $throwInvalidOperation = ("Login 'John' does not exist on " + ` "SQL server 'localhost\MSSQLSERVER'.") { Set-TargetResource @testParameters } | Should -Throw $throwInvalidOperation } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Context 'When the system is not in the desired state' { It 'Should not throw' { $mockExpectedDatabaseOwner = $mockSqlServerLogin $mockDatabaseOwner = $mockSqlServerLogin $testParameters = $mockDefaultParameters $testParameters += @{ Database = $mockSqlDatabaseName Name = $mockSqlServerLogin } { Set-TargetResource @testParameters } | Should -Not -Throw } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Context 'When the system is not in the desired state' { It 'Should throw the correct error when the method SetOwner() set the wrong login' { $mockExpectedDatabaseOwner = $mockSqlServerLogin $testParameters = $mockDefaultParameters $testParameters += @{ Database = $mockSqlDatabaseName Name = $mockSqlServerLogin } $throwInvalidOperation = ('Failed to set owner named Zebes\SamusAran of the database ' + ` 'named AdventureWorks on localhost\MSSQLSERVER. InnerException: ' + ` 'Exception calling "SetOwner" with "1" argument(s): "Called mocked ' + ` 'SetOwner() method without setting the right login. ' + ` "Expected 'Zebes\SamusAran'. But was 'Elysia\Chozo'.") { Set-TargetResource @testParameters } | Should -Throw $throwInvalidOperation } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Context 'When the system is not in the desired state' { It 'Should throw the correct error when the method SetOwner() was called' { $mockInvalidOperationForSetOwnerMethod = $true $mockExpectedDatabaseOwner = $mockSqlServerLogin $testParameters = $mockDefaultParameters $testParameters += @{ Database = $mockSqlDatabaseName Name = $mockSqlServerLogin } $throwInvalidOperation = ('Failed to set owner named Zebes\SamusAran of the database ' + ` 'named AdventureWorks on localhost\MSSQLSERVER. InnerException: ' + ` 'Exception calling "SetOwner" with "1" argument(s): "Mock ' + ` 'of method SetOwner() was called with invalid operation.') { Set-TargetResource @testParameters } | Should -Throw $throwInvalidOperation } It 'Should call the mock function Connect-SQL' { Assert-MockCalled Connect-SQL -Exactly -Times 1 -Scope Context } } Assert-VerifiableMock } } } finally { Invoke-TestCleanup } |