Tests/Unit/MSFT_DhcpServerOptionValue.Tests.ps1
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#region HEADER # Unit Test Template Version: 1.2.1 $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 'xDhcpServer' ` -DSCResourceName 'MSFT_DhcpServerOptionValue' ` -TestType Unit #endregion HEADER function Invoke-TestSetup { } function Invoke-TestCleanup { Restore-TestEnvironment -TestEnvironment $TestEnvironment } # Begin Testing try { Invoke-TestSetup InModuleScope 'MSFT_DhcpServerOptionValue' { $optionId = 67 $value = @('test Value') $vendorClass = '' $userClass = '' $addressFamily = 'IPv4' $ensure = 'Present' $testParams = @{ OptionId = $optionId VendorClass = $vendorClass UserClass = $userClass AddressFamily = $addressFamily } $getFakeDhcpServerv4OptionValue = { return @{ OptionId = $optionId Value = $value VendorClass = $vendorClass UserClass = $userClass AddressFamily = $addressFamily } } $getFakeDhcpServerv4OptionValueID168 = { return @{ OptionId = 168 Value = $value VendorClass = $vendorClass UserClass = $userClass AddressFamily = $addressFamily } } $getFakeDhcpServerv4OptionValueDifferentValue = { return @{ OptionId = $optionId Value = @('DifferentValue') VendorClass = $vendorClass UserClass = $userClass AddressFamily = $addressFamily } } Describe 'xDhcpServer\Get-TargetResource' { Mock Assert-Module -ModuleName OptionValueHelper -ParameterFilter { $ModuleName -eq 'DHCPServer' } { } Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper -MockWith $GetFakeDhcpServerv4OptionValue It 'Should call "Assert-Module" to ensure "DHCPServer" module is available' { $result = Get-TargetResource @testParams Assert-MockCalled -CommandName Assert-Module -Scope It -ModuleName OptionValueHelper } It 'Returns a "System.Collections.Hashtable" object type' { $result = Get-TargetResource @testParams $result | Should BeOfType [System.Collections.Hashtable] } It 'Returns "Absent" when the option value does not exist' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper {return $null} $result = Get-TargetResource @testParams $result.Ensure | Should -Be 'Absent' } It 'Returns all correct values'{ Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper -MockWith $getFakeDhcpServerv4OptionValueDifferentValue $result = Get-TargetResource @testParams $result.Ensure | Should Be $ensure $result.OptionId | Should Be $optionId $result.Value | Should Be @('DifferentValue') $result.VendorClass | Should Be $vendorClass $result.UserClass | Should Be $userClass $result.AddressFamily | Should Be $addressFamily } It 'Returns the properties as $null when the option does not exist' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper {return $null} $result = Get-TargetResource @testParams $result.Ensure | Should Be 'Absent' $result.OptionId | Should Be $null $result.Value | Should Be $null $result.VendorClass | Should Be $null $result.UserClass | Should Be $null $result.AddressFamily | Should Be $null } } Describe 'xDhcpServer\Test-TargetResource' { Mock Assert-Module -ModuleName OptionValueHelper -ParameterFilter { $ModuleName -eq 'DHCPServer' } { } It 'Returns a "System.Boolean" object type' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper -MockWith $GetFakeDhcpServerv4OptionValue $result = Test-TargetResource @testParams -Ensure 'Present' -Value $value $result | Should BeOfType [System.Boolean] } It 'Returns $true when the option exists and Ensure = Present' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper -MockWith $GetFakeDhcpServerv4OptionValue $result = Test-TargetResource @testParams -Ensure 'Present' -Value $value $result | Should Be $true } It 'Returns $false when the option does not exist and Ensure = Present' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper {return $null} $result = Test-TargetResource @testParams -Ensure 'Present' -Value $value $result | Should Be $false } It 'Returns $false when the option exists and Ensure = Absent ' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper -MockWith $GetFakeDhcpServerv4OptionValue $result = Test-TargetResource @testParams -Ensure 'Absent' -Value $value $result | Should Be $false } } Describe 'xDhcpServer\Set-TargetResource' { Mock -CommandName Assert-Module -ModuleName OptionValueHelper -ParameterFilter { $ModuleName -eq 'DHCPServer' } Mock Remove-DhcpServerv4OptionValue -ModuleName OptionValueHelper Mock Set-DhcpServerv4OptionValue -ModuleName OptionValueHelper It 'Should call "Set-DhcpServerv4Optionvalue" when "Ensure" = "Present" and definition does not exist' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper {return $null} Set-TargetResource @testParams -Ensure 'Present' -Value $value Assert-MockCalled -CommandName Set-DhcpServerv4OptionValue -Scope It -ModuleName OptionValueHelper } It 'Should call "Remove-DhcpServerv4OptionValue" when "Ensure" = "Absent" and Definition does exist' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper -MockWith $GetFakeDhcpServerv4OptionValue Set-TargetResource @testParams -Ensure 'Absent' -Value $value Assert-MockCalled -CommandName Remove-DhcpServerv4OptionValue -ModuleName OptionValueHelper -Scope It } It 'Should call "Set-DhcpServerv4OptionValue" when "Ensure" = "Present" and option value is different' { Mock Get-DhcpServerv4OptionValue -ModuleName OptionValueHelper -MockWith $getFakeDhcpServerv4OptionValueDifferentValue Set-TargetResource @testParams -Ensure 'Present' -Value $value Assert-MockCalled -CommandName Set-DhcpServerv4OptionValue -ModuleName OptionValueHelper -Scope It } } } } finally { Invoke-TestCleanup } |