111 lines
4.0 KiB
PowerShell
111 lines
4.0 KiB
PowerShell
. $PSScriptRoot\..\..\Load-PesterModules.ps1
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$here = Split-Path -Parent $MyInvocation.MyCommand.Path
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$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.tests\.', '.'
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$functionPath = Join-Path -Path $here -ChildPath $sut
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Write-Host "Overriding SUT: $functionPath"
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Import-Module $functionPath -Force
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$moduleForMock = ""
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Describe "Test Get-DnsByIP" {
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BeforeAll {
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#create a module for unavailable commands
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$testModule = New-Module -Name DnsServer -ScriptBlock {
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function Get-DnsServerZone (){"Get-DnsServerZone"}
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function Get-DnsServerResourceRecord (){"Get-DnsServerResourceRecord"}
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}
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$testModule | Import-Module
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}
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Mock -CommandName Get-LogLeadName -ModuleName $moduleForMock -MockWith { return 'Get-DnsByIP.tests' }
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Mock -CommandName Write-Error -ModuleName $moduleForMock -MockWith { return $true }
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# Pretend that the Get-DnsServerZone cmdlet is ALWAYS available
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Mock -CommandName Get-Command -ModuleName $moduleForMock -MockWith { return $true }
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Mock -CommandName Get-DnsServerZone -ModuleName $moduleForMock -MockWith {return [pscustomobject]@{"ZoneName" = "TestZone"}}
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# Provide a set of fake objects to check against at the end of the function
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$mockRecords = {
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$records = @()
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$records += [PSCustomObject]@{
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Name = 'VALID'
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RecordData = @{
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IPv4Address = @{
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IPAddressToString = '192.168.4.3'
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}
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}
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}
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$records += [PSCustomObject]@{
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Name = 'NOT-VALID'
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RecordData = @{
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IPv4Address = @{
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IPAddressToString = '192.168.4.7'
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}
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}
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}
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return $records
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}
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Mock -CommandName Get-DnsServerResourceRecord -ModuleName $moduleForMock -MockWith $mockRecords
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Context "Testing" {
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It "Executes properly when Get-Command is not found" {
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Mock -CommandName Get-Command -ModuleName $moduleForMock -MockWith { return $false }
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Get-DnsByIP -TargetIP 192.168.4.55 -DnsServer 'dc314212.fh.local'
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Assert-MockCalled -CommandName Get-Command -Times 1 -Exactly -Scope It
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}
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It "Calls cmdlets the correct amount of times with the -DnsServer parameter" {
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Mock -CommandName Get-Command -ModuleName $moduleForMock -MockWith { return $true }
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Get-DnsByIP -TargetIP 192.168.4.3 -DnsServer 'dc314212.fh.local'
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Assert-MockCalled -CommandName Get-DnsServerResourceRecord -Times 1 -Exactly -Scope It
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Assert-MockCalled -CommandName Get-DnsServerZone -Times 1 -Exactly -Scope It
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}
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It "Calls cmdlets properly without the -DnsServer parameter" {
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Get-DnsByIP -TargetIP 192.168.4.55
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Assert-MockCalled -CommandName Get-DnsServerZone -Times 1 -Exactly -Scope It
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Assert-MockCalled -CommandName "Get-DnsServerResourceRecord" -Times 1 -Exactly -Scope It
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}
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It "Properly finds only the right resource records" {
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$result = Get-DnsByIP -TargetIP 192.168.4.3
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$result.RecordData.IPv4Address.IPAddressToString | Should -Be '192.168.4.3'
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}
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It "Returns an empty array if no matches are found, remote DNS Server specified" {
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$result = Get-DnsByIP -DNSServer "ADC.local" -IPAddress "192.168.4.55"
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$result | Should -Be @()
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Assert-MockCalled -CommandName Get-DnsServerZone -Times 1 -Exactly -Scope It
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Assert-MockCalled -CommandName Get-DnsServerResourceRecord -Times 1 -Exactly -Scope It
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}
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It "Returns an empty array if no matches are found, remote DNS Server not specified" {
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$result = Get-DnsByIP -TargetIP "192.168.4.55"
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$result | Should -Be @()
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Assert-MockCalled -CommandName Get-DnsServerZone -Times 1 -Exactly -Scope It
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Assert-MockCalled -CommandName Get-DnsServerResourceRecord -Times 1 -Exactly -Scope It
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}
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}
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} |