Tests/Unit/Helper.Tests.ps1
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$script:ModuleName = 'Helper' $script:DSCModuleName = 'xWebAdministration' #region HEADER $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 Import-Module (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResources\Helper.psm1') #endregion Import-Module (Join-Path -Path $script:moduleRoot -ChildPath 'Tests\TestHelper\CommonTestHelper.psm1') -Force -Global # Begin Testing try { InModuleScope $script:ModuleName { Describe "$DSCResourceName\Find-Certificate" { # Download and dot source the New-SelfSignedCertificateEx script . (Install-NewSelfSignedCertificateExScript) # Generate the Valid certificate for testing but remove it from the store straight away $certDNSNames = @('www.fabrikam.com', 'www.contoso.com') $certDNSNamesReverse = @('www.contoso.com', 'www.fabrikam.com') $certDNSNamesNoMatch = $certDNSNames + @('www.nothere.com') $certKeyUsage = @('DigitalSignature','DataEncipherment') $certKeyUsageReverse = @('DataEncipherment','DigitalSignature') $certKeyUsageNoMatch = $certKeyUsage + @('KeyEncipherment') $certEKU = @('Server Authentication','Client authentication') $certEKUReverse = @('Client authentication','Server Authentication') $certEKUNoMatch = $certEKU + @('Encrypting File System') $certSubject = 'CN=contoso, DC=com' $certFriendlyName = 'Contoso Test Cert' $validCert = New-SelfSignedCertificateEx ` -Subject $certSubject ` -KeyUsage $certKeyUsage ` -KeySpec 'Exchange' ` -EKU $certEKU ` -SubjectAlternativeName $certDNSNames ` -FriendlyName $certFriendlyName ` -StoreLocation 'CurrentUser' ` -Exportable # Pull the generated certificate from the store so we have the friendlyname $validThumbprint = $validCert.Thumbprint $validCert = Get-Item -Path "cert:\CurrentUser\My\$validThumbprint" Remove-Item -Path $validCert.PSPath -Force # Generate the Expired certificate for testing but remove it from the store straight away $expiredCert = New-SelfSignedCertificateEx ` -Subject $certSubject ` -KeyUsage $certKeyUsage ` -KeySpec 'Exchange' ` -EKU $certEKU ` -SubjectAlternativeName $certDNSNames ` -FriendlyName $certFriendlyName ` -NotBefore ((Get-Date) - (New-TimeSpan -Days 2)) ` -NotAfter ((Get-Date) - (New-TimeSpan -Days 1)) ` -StoreLocation 'CurrentUser' ` -Exportable # Pull the generated certificate from the store so we have the friendlyname $expiredThumbprint = $expiredCert.Thumbprint $expiredCert = Get-Item -Path "cert:\CurrentUser\My\$expiredThumbprint" Remove-Item -Path $expiredCert.PSPath -Force $nocertThumbprint = '1111111111111111111111111111111111111111' # Dynamic mock content for Get-ChildItem $mockGetChildItem = { switch ( $Path ) { 'cert:\LocalMachine\My' { return @( $validCert ) } 'cert:\LocalMachine\NoCert' { return @() } 'cert:\LocalMachine\TwoCerts' { return @( $expiredCert, $validCert ) } 'cert:\LocalMachine\Expired' { return @( $expiredCert ) } default { throw 'mock called with unexpected value {0}' -f $Path } } } BeforeEach { Mock ` -CommandName Test-Path ` -MockWith { $true } Mock ` -CommandName Get-ChildItem ` -MockWith $mockGetChildItem } Context 'Thumbprint only is passed and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -Thumbprint $validThumbprint } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'Thumbprint only is passed and matching certificate does not exist' { It 'should not throw exception' { { $script:result = Find-Certificate -Thumbprint $nocertThumbprint } | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'FriendlyName only is passed and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -FriendlyName $certFriendlyName } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'FriendlyName only is passed and matching certificate does not exist' { It 'should not throw exception' { { $script:result = Find-Certificate -FriendlyName 'Does Not Exist' } | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'Subject only is passed and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -Subject $certSubject } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'Subject only is passed and matching certificate does not exist' { It 'should not throw exception' { { $script:result = Find-Certificate -Subject 'CN=Does Not Exist' } | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'Issuer only is passed and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -Issuer $certSubject } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'Issuer only is passed and matching certificate does not exist' { It 'should not throw exception' { { $script:result = Find-Certificate -Issuer 'CN=Does Not Exist' } | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'DNSName only is passed and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -DnsName $certDNSNames } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'DNSName only is passed in reversed order and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -DnsName $certDNSNamesReverse } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'DNSName only is passed with only one matching DNS name and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -DnsName $certDNSNames[0] } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'DNSName only is passed but an entry is missing and matching certificate does not exist' { It 'should not throw exception' { { $script:result = Find-Certificate -DnsName $certDNSNamesNoMatch } | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'KeyUsage only is passed and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -KeyUsage $certKeyUsage } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'KeyUsage only is passed in reversed order and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -KeyUsage $certKeyUsageReverse } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'KeyUsage only is passed with only one matching DNS name and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -KeyUsage $certKeyUsage[0] } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'KeyUsage only is passed but an entry is missing and matching certificate does not exist' { It 'should not throw exception' { { $script:result = Find-Certificate -KeyUsage $certKeyUsageNoMatch } | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'EnhancedKeyUsage only is passed and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -EnhancedKeyUsage $certEKU } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'EnhancedKeyUsage only is passed in reversed order and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -EnhancedKeyUsage $certEKUReverse } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'EnhancedKeyUsage only is passed with only one matching DNS name and matching certificate exists' { It 'should not throw exception' { { $script:result = Find-Certificate -EnhancedKeyUsage $certEKU[0] } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'EnhancedKeyUsage only is passed but an entry is missing and matching certificate does not exist' { It 'should not throw exception' { { $script:result = Find-Certificate -EnhancedKeyUsage $certEKUNoMatch } | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'Thumbprint only is passed and matching certificate does not exist in the store' { It 'should not throw exception' { { $script:result = Find-Certificate -Thumbprint $validThumbprint -Store 'NoCert'} | Should Not Throw } It 'should return null' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'FriendlyName only is passed and both valid and expired certificates exist' { It 'should not throw exception' { { $script:result = Find-Certificate -FriendlyName $certFriendlyName -Store 'TwoCerts' } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $validThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'FriendlyName only is passed and only expired certificates exist' { It 'should not throw exception' { { $script:result = Find-Certificate -FriendlyName $certFriendlyName -Store 'Expired' } | Should Not Throw } It 'should return expected certificate' { $script:result | Should BeNullOrEmpty } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } Context 'FriendlyName only is passed and only expired certificates exist but allowexpired passed' { It 'should not throw exception' { { $script:result = Find-Certificate -FriendlyName $certFriendlyName -Store 'Expired' -AllowExpired:$true } | Should Not Throw } It 'should return expected certificate' { $script:result.Thumbprint | Should Be $expiredThumbprint } It 'should call expected mocks' { Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 Assert-MockCalled -CommandName Get-ChildItem -Exactly -Times 1 } } } Describe 'Get-LocalizedData' { $mockTestPath = { return $mockTestPathReturnValue } $mockImportLocalizedData = { $BaseDirectory | Should Be $mockExpectedLanguagePath } BeforeEach { Mock -CommandName Import-LocalizedData -MockWith $mockImportLocalizedData -Verifiable } Context 'When loading localized data for English' { $mockExpectedLanguagePath = 'en-US' $mockTestPathReturnValue = $true It 'Should call Get-LocalizedData with en-US language' { Mock -CommandName Test-Path -MockWith $mockTestPath -Verifiable Mock -CommandName Join-Path -MockWith { return 'en-US' } -Verifiable { Get-LocalizedData -ResourceName 'DummyResource' -ResourcePath ..\..\DSCResources\MSFT_xWebApplicationHandler\en-us\MSFT_xWebApplicationHandler.strings.psd1} | Should Not Throw } It 'Should call Get-LocalizedData and fallback to en-US if input language does not exist' { Mock -CommandName Test-Path -MockWith {$false} -Verifiable Mock -CommandName Join-Path -MockWith { '..\..\DSCResources\MSFT_xWebApplicationHandler\en-us\Dummy.strings.psd1\DummyPath' } -Verifiable Mock -CommandName Import-LocalizedData -Verifiable { Get-LocalizedData -ResourceName 'DummyResource' -ResourcePath ..\..\DSCResources\MSFT_xWebApplicationHandler\en-us\Dummy.strings.psd1} | Should -Not -Throw Assert-MockCalled -CommandName Join-Path -Exactly -Times 2 -Scope It Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 -Scope It Assert-MockCalled -CommandName Import-LocalizedData -Exactly -Times 1 -Scope It } } Assert-VerifiableMock } } } finally { #region FOOTER #endregion } |