xActiveDirectory

2.21.0.0

Tests/Unit/MSFT_xADReplicationSubnet.Tests.ps1

$Global:DSCModuleName   = 'xActiveDirectory'
$Global:DSCResourceName = 'MSFT_xADReplicationSubnet'

#region HEADER
[String] $moduleRoot = Split-Path -Parent (Split-Path -Parent (Split-Path -Parent $Script:MyInvocation.MyCommand.Path))
Write-Host $moduleRoot -ForegroundColor Green;
if ( (-not (Test-Path -Path (Join-Path -Path $moduleRoot -ChildPath 'DSCResource.Tests'))) -or `
     (-not (Test-Path -Path (Join-Path -Path $moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1'))) )
{
    & git @('clone','https://github.com/PowerShell/DscResource.Tests.git',(Join-Path -Path $moduleRoot -ChildPath '\DSCResource.Tests\'))
}

Import-Module (Join-Path -Path $moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1') -Force
$TestEnvironment = Initialize-TestEnvironment `
    -DSCModuleName $Global:DSCModuleName `
    -DSCResourceName $Global:DSCResourceName `
    -TestType Unit
#endregion


# Begin Testing
try
{
    #region Pester Tests
    InModuleScope $Global:DSCResourceName {

        #region Function Get-TargetResource
        Describe "$($Global:DSCResourceName)\Get-TargetResource" {

            $testDefaultParameters = @{
                Name = '10.0.0.0/8'
                Site = 'Default-First-Site-Name'
            }

            Context 'Subnet does not exist' {

                Mock -CommandName Get-ADReplicationSubnet

                It 'Should return absent' {

                    $result = Get-TargetResource @testDefaultParameters

                    $result.Ensure   | Should Be 'Absent'
                    $result.Name     | Should Be $testDefaultParameters.Name
                    $result.Site     | Should Be ''
                    $result.Location | Should Be ''
                }
            }

            Context 'Subnet does exist' {

                Mock -CommandName Get-ADReplicationSubnet -MockWith {
                    [PSCustomObject] @{
                        DistinguishedName = 'CN=10.0.0.0/8,CN=Subnets,CN=Sites,CN=Configuration,DC=arcade,DC=local'
                        Name              = '10.0.0.0/8'
                        Location          = 'Seattle'
                        Site              = 'CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=contoso,DC=com'
                    }
                }
                Mock -CommandName Get-ADObject -MockWith {
                    [PSCustomObject] @{ Name = 'Default-First-Site-Name' }
                }

                It 'Should return present with the correct subnet' {

                    $result = Get-TargetResource @testDefaultParameters

                    $result.Ensure   | Should Be 'Present'
                    $result.Name     | Should Be $testDefaultParameters.Name
                    $result.Site     | Should Be 'Default-First-Site-Name'
                    $result.Location | Should Be 'Seattle'
                }
            }

            Context 'Subnet does exist, but site is empty' {

                Mock -CommandName Get-ADReplicationSubnet -MockWith {
                    [PSCustomObject] @{
                        DistinguishedName = 'CN=10.0.0.0/8,CN=Subnets,CN=Sites,CN=Configuration,DC=arcade,DC=local'
                        Name              = '10.0.0.0/8'
                        Location          = 'Seattle'
                        Site              = $null
                    }
                }

                It 'Should return present with the correct subnet' {

                    $result = Get-TargetResource @testDefaultParameters

                    $result.Ensure   | Should Be 'Present'
                    $result.Name     | Should Be $testDefaultParameters.Name
                    $result.Site     | Should Be ''
                    $result.Location | Should Be 'Seattle'
                }
            }
        }
        #endregion

        #region Function Test-TargetResource
        Describe "$($Global:DSCResourceName)\Test-TargetResource" {

            $testDefaultParameters = @{
                Name     = '10.0.0.0/8'
                Site     = 'Default-First-Site-Name'
                Location = 'Seattle'
            }

            Context 'Subnet does not exist' {

                Mock -CommandName Get-ADReplicationSubnet

                It 'Should return false for present' {

                    $result = Test-TargetResource -Ensure 'Present' @testDefaultParameters
                    $result | Should Be $false
                }

                It 'Should return true for absent' {

                    $result = Test-TargetResource -Ensure 'Absent' @testDefaultParameters
                    $result | Should Be $true
                }
            }

            Context 'Subnet does exist' {

                Mock -CommandName Get-ADReplicationSubnet -MockWith {
                    [PSCustomObject] @{
                        DistinguishedName = 'CN=10.0.0.0/8,CN=Subnets,CN=Sites,CN=Configuration,DC=arcade,DC=local'
                        Name              = '10.0.0.0/8'
                        Location          = 'Seattle'
                        Site              = 'CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=contoso,DC=com'
                    }
                }
                Mock -CommandName Get-ADObject -MockWith {
                    [PSCustomObject] @{ Name = 'Default-First-Site-Name' }
                }

                It 'Should return true for present' {

                    $result = Test-TargetResource -Ensure 'Present' @testDefaultParameters
                    $result | Should Be $true
                }

                It 'Should return false for absent' {

                    $result = Test-TargetResource -Ensure 'Absent' @testDefaultParameters
                    $result | Should Be $false
                }

                It 'Should return false for wrong site' {

                    $result = Test-TargetResource -Ensure 'Present' -Name $testDefaultParameters.Name -Site 'WrongSite' -Location $testDefaultParameters.Location
                    $result | Should Be $false
                }

                It 'Should return false for wrong location' {

                    $result = Test-TargetResource -Ensure 'Present' -Name $testDefaultParameters.Name -Site $testDefaultParameters.Site -Location 'WringLocation'
                    $result | Should Be $false
                }
            }
        }
        #endregion

        #region Function Set-TargetResource
        Describe "$($Global:DSCResourceName)\Set-TargetResource" {

            $testPresentParameters = @{
                Ensure   = 'Present'
                Name     = '10.0.0.0/8'
                Site     = 'Default-First-Site-Name'
                Location = 'Seattle'
            }
            $testAbsentParameters = @{
                Ensure   = 'Absent'
                Name     = '10.0.0.0/8'
                Site     = 'Default-First-Site-Name'
            }

            Context 'Subnet does not exist' {

                Mock -CommandName Get-ADReplicationSubnet
                Mock -CommandName Get-ADObject -MockWith {
                    [PSCustomObject] @{ Name = 'Default-First-Site-Name' }
                }

                Mock -CommandName New-ADReplicationSubnet -MockWith {
                    [PSCustomObject] @{
                        DistinguishedName = 'CN=10.0.0.0/8,CN=Subnets,CN=Sites,CN=Configuration,DC=arcade,DC=local'
                        Name              = '10.0.0.0/8'
                        Location          = 'Seattle'
                        Site              = 'CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=contoso,DC=com'
                    }
                }

                It 'Should create the subnet' {

                    # Act
                    Set-TargetResource @testPresentParameters

                    # Assert
                    Assert-MockCalled -CommandName New-ADReplicationSubnet -Scope It -Times 1 -Exactly
                }
            }

            Context 'Subnet does exist' {

                Mock -CommandName Get-ADReplicationSubnet -MockWith {
                    [PSCustomObject] @{
                        DistinguishedName = 'CN=10.0.0.0/8,CN=Subnets,CN=Sites,CN=Configuration,DC=arcade,DC=local'
                        Name              = '10.0.0.0/8'
                        Location          = 'Seattle'
                        Site              = 'CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=contoso,DC=com'
                    }
                }
                Mock -CommandName Get-ADObject -MockWith {
                    [PSCustomObject] @{ Name = 'Default-First-Site-Name' }
                }

                Mock -CommandName Set-ADReplicationSubnet -ParameterFilter { $Site -ne $null } -MockWith {
                    [PSCustomObject] @{
                        DistinguishedName = 'CN=10.0.0.0/8,CN=Subnets,CN=Sites,CN=Configuration,DC=arcade,DC=local'
                        Name              = '10.0.0.0/8'
                        Location          = 'Seattle'
                        Site              = 'CN=OtherSite,CN=Sites,CN=Configuration,DC=contoso,DC=com'
                    }
                }
                Mock -CommandName Set-ADReplicationSubnet -ParameterFilter { $Location -eq 'OtherLocation' } -MockWith {
                    [PSCustomObject] @{
                        DistinguishedName = 'CN=10.0.0.0/8,CN=Subnets,CN=Sites,CN=Configuration,DC=arcade,DC=local'
                        Name              = '10.0.0.0/8'
                        Location          = 'OtherLocation'
                        Site              = 'CN=OtherSite,CN=Sites,CN=Configuration,DC=contoso,DC=com'
                    }
                }
                Mock -CommandName Remove-ADReplicationSubnet

                It 'Should update the subnet site' {

                    # Act
                    Set-TargetResource -Ensure $testPresentParameters.Ensure -Name $testPresentParameters.Name -Site 'OtherSite' -Location $testPresentParameters.Location

                    # Assert
                    Assert-MockCalled -CommandName Set-ADReplicationSubnet -ParameterFilter { $Site -ne $null } -Scope It -Times 1 -Exactly
                }

                It 'Should update the subnet location' {

                    # Act
                    Set-TargetResource -Ensure $testPresentParameters.Ensure -Name $testPresentParameters.Name -Site $testPresentParameters.Site -Location 'OtherLocation'

                    # Assert
                    Assert-MockCalled -CommandName Set-ADReplicationSubnet -ParameterFilter { $Location -eq 'OtherLocation' } -Scope It -Times 1 -Exactly
                }

                It 'Should remove the subnet' {

                    # Act
                    Set-TargetResource @testAbsentParameters

                    # Assert
                    Assert-MockCalled -CommandName Remove-ADReplicationSubnet -Scope It -Times 1 -Exactly
                }
            }
        }
        #endregion
    }
}
finally
{
    #region FOOTER
    Restore-TestEnvironment -TestEnvironment $TestEnvironment
    #endregion
}