Tests/Initialize-ModuleVariable.Tests.ps1
|
Describe 'Initialize-ModuleVariable' { BeforeAll { # Import required modules and dependencies $ModulePath = Split-Path -Path $PSScriptRoot -Parent $PrivatePath = Join-Path -Path $ModulePath -ChildPath 'Private' $FunctionPath = Join-Path -Path $PrivatePath -ChildPath 'Initialize-ModuleVariable.ps1' # We need to ensure the Variables hashtable exists before running tests $Global:Variables = @{} # Handle Constants variable - check if it exists globally first if (-not (Get-Variable -Name 'Constants' -Scope 'Global' -ErrorAction SilentlyContinue)) { $Global:Constants = @{ guidNull = '00000000-0000-0000-0000-000000000000' } } # For testing purposes, ensure we can access the null GUID even if Constants is read-only $Script:TestGuidNull = '00000000-0000-0000-0000-000000000000' # Mock ActiveDirectory module if needed if (-not (Get-Module -Name 'ActiveDirectory' -ErrorAction SilentlyContinue)) { # Create a minimal mock of ActiveDirectory module for testing $ModuleDefinition = @' Function Get-ADObject { param($SearchBase, $LDAPFilter, $Properties) if ($LDAPFilter -eq '(schemaidguid=*)') { @( [PSCustomObject]@{ lDAPDisplayName = 'user' schemaIDGUID = [byte[]](1..16) }, [PSCustomObject]@{ lDAPDisplayName = 'group' schemaIDGUID = [byte[]](17..32) } ) } elseif ($LDAPFilter -eq '(objectclass=controlAccessRight)') { @( [PSCustomObject]@{ displayName = 'User-Force-Change-Password' rightsGuid = [byte[]](33..48) }, [PSCustomObject]@{ displayName = 'DS-Replication-Manage-Topology' rightsGuid = [byte[]](49..64) } ) } } '@ New-Module -Name 'ActiveDirectory' -Scriptblock ([ScriptBlock]::Create($ModuleDefinition)) | Import-Module } # Create a mock directory entry object instead of using Add-Type function New-MockDirectoryEntry { [PSCustomObject]@{ DefaultNamingContext = 'DC=eguibarit,DC=com' configurationNamingContext = 'CN=Configuration,DC=eguibarit,DC=com' namingContexts = @('DC=eguibarit,DC=com', 'CN=Configuration,DC=eguibarit,DC=com') rootDomainNamingContext = 'DC=eguibarit,DC=com' SchemaNamingContext = 'CN=Schema,CN=Configuration,DC=eguibarit,DC=com' # Add ToString method to handle method calls ToString = { return 'DC=eguibarit,DC=com' } } | Add-Member -MemberType ScriptMethod -Name ToString -Value { return 'DC=eguibarit,DC=com' } -Force -PassThru } # Mock ADSI calls by replacing the code in the function $FunctionContent = Get-Content -Path $FunctionPath -Raw # Replace ADSI calls with our mock function $ModifiedContent = $FunctionContent -replace '\[ADSI\]''LDAP://RootDSE''', 'New-MockDirectoryEntry' # Replace the guidNull reference $ModifiedContent = $ModifiedContent -replace '\$Constants\.guidNull', '($Constants.guidNull ?? $Script:TestGuidNull)' # Replace Domain.GetCurrentDomain calls $ModifiedContent = $ModifiedContent -replace '\[System\.DirectoryServices\.ActiveDirectory\.Domain\]::GetCurrentDomain\(\)\.Name', "'eguibarit.com'" # Mock New-Object for LDAP calls Mock -CommandName New-Object -ParameterFilter { $TypeName -eq 'System.DirectoryServices.DirectoryEntry' -and $ArgumentList -eq 'LDAP://RootDSE' } -MockWith { New-MockDirectoryEntry } # Load the modified function $ScriptBlock = [ScriptBlock]::Create($ModifiedContent) . $ScriptBlock } AfterAll { # Clean up Remove-Module -Name 'ActiveDirectory' -Force -ErrorAction SilentlyContinue # Remove our temporary variable Remove-Variable -Name TestGuidNull -Scope Script -ErrorAction SilentlyContinue # Make sure we don't affect the global Variables hashtable beyond our tests Remove-Variable -Name Variables -Scope Global -ErrorAction SilentlyContinue } Context 'Function Existence' { It 'Should exist' { $Function = Get-Command -Name 'Initialize-ModuleVariable' -ErrorAction SilentlyContinue $Function | Should -Not -BeNullOrEmpty } It 'Should be a function' { $Function = Get-Command -Name 'Initialize-ModuleVariable' -ErrorAction SilentlyContinue $Function.CommandType | Should -Be 'Function' } } Context 'Function execution and variable initialization' { BeforeEach { # Reset Variables hashtable before each test $Global:Variables = @{} } It 'Should initialize Active Directory context variables' { # Execute the function Initialize-ModuleVariable # Test if the variables are initialized properly $Variables.AdDN | Should -Be 'DC=eguibarit,DC=com' $Variables.configurationNamingContext | Should -Be 'CN=Configuration,DC=eguibarit,DC=com' $Variables.defaultNamingContext | Should -Be 'DC=eguibarit,DC=com' $Variables.DnsFqdn | Should -Be 'eguibarit.com' $Variables.namingContexts.Count | Should -BeGreaterThan 0 $Variables.PartitionsContainer | Should -Be 'CN=Configuration,DC=eguibarit,DC=com' $Variables.rootDomainNamingContext | Should -Be 'DC=eguibarit,DC=com' $Variables.SchemaNamingContext | Should -Be 'CN=Schema,CN=Configuration,DC=eguibarit,DC=com' } It 'Should create GUID mappings for schema objects' { # Execute the function Initialize-ModuleVariable # Test if the GUID maps are created $Variables.GuidMap | Should -Not -BeNullOrEmpty $Variables.GuidMap.Keys.Count | Should -BeGreaterThan 0 $Variables.GuidMap['All'] | Should -Be ($Constants.guidNull ?? $Script:TestGuidNull) $Variables.GuidMap['user'] | Should -Not -BeNullOrEmpty $Variables.GuidMap['group'] | Should -Not -BeNullOrEmpty } It 'Should create GUID mappings for extended rights' { # Execute the function Initialize-ModuleVariable # Test if the extended rights map is created $Variables.ExtendedRightsMap | Should -Not -BeNullOrEmpty $Variables.ExtendedRightsMap.Keys.Count | Should -BeGreaterThan 0 $Variables.ExtendedRightsMap['All'] | Should -Be ($Constants.guidNull ?? $Script:TestGuidNull) $Variables.ExtendedRightsMap['User-Force-Change-Password'] | Should -Not -BeNullOrEmpty $Variables.ExtendedRightsMap['DS-Replication-Manage-Topology'] | Should -Not -BeNullOrEmpty } It 'Should handle errors gracefully when Get-ADObject fails for schema' { # Mock Get-ADObject to throw an error Mock -CommandName Get-ADObject -ParameterFilter { $LDAPFilter -eq '(schemaidguid=*)' } -MockWith { throw 'AD operation failed' } # Execute function and verify it throws an error { Initialize-ModuleVariable } | Should -Throw # The function should reach this point only if the error was caught # Verify GuidMap was not created (error occurred before it could be created) $Global:Variables.Keys -contains 'GuidMap' | Should -Be $false } It 'Should handle errors gracefully when Get-ADObject fails for extended rights' { # Mock Get-ADObject for schema to succeed but fail for extended rights Mock -CommandName Get-ADObject -ParameterFilter { $LDAPFilter -eq '(schemaidguid=*)' } -MockWith { @( [PSCustomObject]@{ lDAPDisplayName = 'user' schemaIDGUID = [byte[]](1..16) } ) } Mock -CommandName Get-ADObject -ParameterFilter { $LDAPFilter -eq '(objectclass=controlAccessRight)' } -MockWith { throw 'AD operation failed' } # Execute function and verify it throws an error { Initialize-ModuleVariable } | Should -Throw # The function should have populated GuidMap but not ExtendedRightsMap $Global:Variables.Keys -contains 'GuidMap' | Should -Be $true $Global:Variables.GuidMap | Should -Not -BeNullOrEmpty # This should fail if ExtendedRightsMap was created successfully, which would indicate # the error wasn't handled correctly $Global:Variables.Keys -contains 'ExtendedRightsMap' | Should -Be $false } } } |