Tests/Unit/CommonResourceHelper.Tests.ps1
Describe 'CommonResourceHelper Unit Tests' { BeforeAll { # Import the CommonResourceHelper module to test $dscResourcesFolderFilePath = Join-Path -Path (Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent) ` -ChildPath 'DscResources' Import-Module -Name (Join-Path -Path $dscResourcesFolderFilePath ` -ChildPath 'CommonResourceHelper.psm1') -Force } InModuleScope 'CommonResourceHelper' { Describe 'Get-LocalizedData' { $mockTestPath = { return $mockTestPathReturnValue } $mockImportLocalizedData = { $BaseDirectory | Should -Be $mockExpectedLanguagePath } BeforeEach { Mock -CommandName Test-Path -MockWith $mockTestPath -Verifiable Mock -CommandName Import-LocalizedData -MockWith $mockImportLocalizedData -Verifiable } Context 'When loading localized data for Swedish' { $mockExpectedLanguagePath = 'sv-SE' $mockTestPathReturnValue = $true It 'Should call Import-LocalizedData with sv-SE language' { Mock -CommandName Join-Path -MockWith { return 'sv-SE' } -Verifiable { Get-LocalizedData -ResourceName 'DummyResource' } | 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 } $mockExpectedLanguagePath = 'en-US' $mockTestPathReturnValue = $false It 'Should call Import-LocalizedData and fallback to en-US if sv-SE language does not exist' { Mock -CommandName Join-Path -MockWith { return $ChildPath } -Verifiable { Get-LocalizedData -ResourceName 'DummyResource' } | Should -Not -Throw Assert-MockCalled -CommandName Join-Path -Exactly -Times 3 -Scope It Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 -Scope It Assert-MockCalled -CommandName Import-LocalizedData -Exactly -Times 1 -Scope It } Context 'When $ScriptRoot is set to a path' { $mockExpectedLanguagePath = 'sv-SE' $mockTestPathReturnValue = $true It 'Should call Import-LocalizedData with sv-SE language' { Mock -CommandName Join-Path -MockWith { return 'sv-SE' } -Verifiable { Get-LocalizedData -ResourceName 'DummyResource' -ScriptRoot '.' } | Should -Not -Throw Assert-MockCalled -CommandName Join-Path -Exactly -Times 1 -Scope It Assert-MockCalled -CommandName Test-Path -Exactly -Times 1 -Scope It Assert-MockCalled -CommandName Import-LocalizedData -Exactly -Times 1 -Scope It } $mockExpectedLanguagePath = 'en-US' $mockTestPathReturnValue = $false It 'Should call Import-LocalizedData and fallback to en-US if sv-SE language does not exist' { Mock -CommandName Join-Path -MockWith { return $ChildPath } -Verifiable { Get-LocalizedData -ResourceName 'DummyResource' -ScriptRoot '.' } | 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 } } } Context 'When loading localized data for English' { Mock -CommandName Join-Path -MockWith { return 'en-US' } -Verifiable $mockExpectedLanguagePath = 'en-US' $mockTestPathReturnValue = $true It 'Should call Import-LocalizedData with en-US language' { { Get-LocalizedData -ResourceName 'DummyResource' } | Should -Not -Throw } } Assert-VerifiableMock } Describe 'New-InvalidResultException' { Context 'When calling with Message parameter only' { It 'Should throw the correct error' { $mockErrorMessage = 'Mocked error' { New-InvalidResultException -Message $mockErrorMessage } | Should -Throw $mockErrorMessage } } Context 'When calling with both the Message and ErrorRecord parameter' { It 'Should throw the correct error' { $mockErrorMessage = 'Mocked error' $mockExceptionErrorMessage = 'Mocked exception error message' $mockException = New-Object System.Exception $mockExceptionErrorMessage $mockErrorRecord = New-Object System.Management.Automation.ErrorRecord $mockException, $null, 'InvalidResult', $null { New-InvalidResultException -Message $mockErrorMessage -ErrorRecord $mockErrorRecord } | Should -Throw ('System.Exception: {0} ---> System.Exception: {1}' -f $mockErrorMessage, $mockExceptionErrorMessage) } } Assert-VerifiableMock } Describe 'New-ObjectNotFoundException' { Context 'When calling with Message parameter only' { It 'Should throw the correct error' { $mockErrorMessage = 'Mocked error' { New-ObjectNotFoundException -Message $mockErrorMessage } | Should -Throw $mockErrorMessage } } Context 'When calling with both the Message and ErrorRecord parameter' { It 'Should throw the correct error' { $mockErrorMessage = 'Mocked error' $mockExceptionErrorMessage = 'Mocked exception error message' $mockException = New-Object System.Exception $mockExceptionErrorMessage $mockErrorRecord = New-Object System.Management.Automation.ErrorRecord $mockException, $null, 'InvalidResult', $null { New-ObjectNotFoundException -Message $mockErrorMessage -ErrorRecord $mockErrorRecord } | Should -Throw ('System.Exception: {0} ---> System.Exception: {1}' -f $mockErrorMessage, $mockExceptionErrorMessage) } } Assert-VerifiableMock } Describe 'New-InvalidOperationException' { Context 'When calling with Message parameter only' { It 'Should throw the correct error' { $mockErrorMessage = 'Mocked error' { New-InvalidOperationException -Message $mockErrorMessage } | Should -Throw $mockErrorMessage } } Context 'When calling with both the Message and ErrorRecord parameter' { It 'Should throw the correct error' { $mockErrorMessage = 'Mocked error' $mockExceptionErrorMessage = 'Mocked exception error message' $mockException = New-Object System.Exception $mockExceptionErrorMessage $mockErrorRecord = New-Object System.Management.Automation.ErrorRecord $mockException, $null, 'InvalidResult', $null { New-InvalidOperationException -Message $mockErrorMessage -ErrorRecord $mockErrorRecord } | Should -Throw ('System.InvalidOperationException: {0} ---> System.Exception: {1}' -f $mockErrorMessage, $mockExceptionErrorMessage) } } Assert-VerifiableMock } Describe 'New-InvalidArgumentException' { Context 'When calling with both the Message and ArgumentName parameter' { It 'Should throw the correct error' { $mockErrorMessage = 'Mocked error' $mockArgumentName = 'MockArgument' { New-InvalidArgumentException -Message $mockErrorMessage -ArgumentName $mockArgumentName } | Should -Throw ('Parameter name: {0}' -f $mockArgumentName) } } Assert-VerifiableMock } } } |