Public/Add-ModuleFunction.Integration.Tests.ps1
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describe 'Add-ModuleFunction' { BeforeAll { . "$PSScriptRoot\..\Private\_TestEnvironment.ps1" <# ENVIRONMENT VARIABLES #> $BaseModuleName = "QuickModuleCLITests" $BaseFolder = Get-SandboxBaseFolder $ModuleProjectsFolder = Get-SandboxNestedModulesFolder $FunctionsFolder = Get-SandboxFunctionsFolder $PrivateFunctionsFolder = Get-SandboxPrivateFunctionsFolder . "$PSScriptRoot\..\Private\UI.ps1" . "$PSScriptRoot\..\Private\Environment.ps1" . "$PSScriptRoot\..\Private\ObjectTransformation.ps1" . "$PSScriptRoot\..\Private\ArgumentCompleters.ps1" . "$PSScriptRoot\..\Private\ArgumentTransformations.ps1" . "$PSScriptRoot\..\Private\Validators.ps1" . "$PSScriptRoot\Update-ModuleProject.ps1" . "$PSScriptRoot\Edit-ModuleCommand.ps1" . "$PSScriptRoot\Add-ModuleFunction.ps1" $ViableModule = "Viable" Remove-Sandbox } BeforeEach { New-Sandbox Mock Edit-ModuleCommand -RemoveParameterValidation 'ModuleProject', 'CommandName' Mock Update-ModuleProject Mock Import-Module } AfterEach { Remove-Sandbox } AfterAll { Remove-Sandbox } describe 'Validation' { it 'throws error if ModuleProject is null or empty' { $err = { Add-ModuleFunction -ModuleProject '' -FunctionName 'Write-Test' -FunctionText 'Write-Output "Hello"' -WhatIf } | Should -Throw -PassThru $err.Exception.Message -like '*Null or Empty*' | Should -BeTrue } it 'throws error if Module does not exist' { $err = { Add-ModuleFunction -ModuleProject $ViableModule -FunctionName 'Write-Test' -FunctionText 'Write-Output "Hello"' -WhatIf } | Should -Throw -PassThru $err.Exception.InnerException.InnerException.GetType().Name | Should -Be 'ModuleProjectDoesNotExistException' } it 'throws error if FunctionName is null or empty' { Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases $err = { Add-ModuleFunction -ModuleProject $ViableModule -FunctionName '' -FunctionText 'Write-Output "Hello"' -WhatIf } | Should -Throw -PassThru $err.Exception.Message -like '*Null or Empty*' | Should -BeTrue } it 'throws error if function already exists' { $FunctionName = 'Write-Foo' Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName $FunctionName $err = { Add-ModuleFunction -ModuleProject $ViableModule -FunctionName $FunctionName -FunctionText 'Write-Output "Hello"' -WhatIf } | Should -Throw -PassThru $err.Exception.InnerException.InnerException.GetType().Name | Should -Be 'ModuleCommandExistsException' } it 'throws error if function does not use an approved verb' { $FunctionName = 'Foo-Bar' Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases $err = { Add-ModuleFunction -ModuleProject $ViableModule -FunctionName $FunctionName -FunctionText 'Write-Output "Hello"' -WhatIf } | Should -Throw -PassThru $err.Exception.InnerException.InnerException.GetType().Name | Should -Be 'ParameterStartsWithUnapprovedVerbException' } } describe 'auto-completion for input' { it 'auto-suggests valid Module Arguments for Module' { Mock Get-ValidModuleProjectNames $Arguments = (Get-ArgumentCompleter -CommandName Add-ModuleFunction -ParameterName ModuleProject) try {$Arguments.Definition.Invoke()} catch {} Assert-MockCalled Get-ValidModuleProjectNames -Times 1 } it 'auto-suggests valid verb arguments for FunctionName' { $Arguments = (Get-ArgumentCompleter -CommandName Add-ModuleFunction -ParameterName FunctionName) 'Get-' -in ($Arguments.Definition.Invoke()) | Should -BeTrue } } describe 'functionality' { it 'Should create a function located in a module' { $FunctionName = 'Write-Foo' Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName $FunctionName Test-Path (Get-ModuleProjectFunctionPath -ModuleProject $ViableModule -CommandName $FunctionName) | Should -BeTrue } it 'Should create a function' { $FunctionName = 'Write-Foo' Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName $FunctionName $FunctionPath = Get-ModuleProjectFunctionPath -ModuleProject $ViableModule -CommandName $FunctionName . "$FunctionPath" $Function = Get-Item "function:\$FunctionName" $Function.Definition.Trim() | Should -Be '' } it 'Should create a function with a non-standard value text' { $expectedReturnValue = 'Foo' $FunctionName = 'Get-Foo' $FunctionText = "return '$expectedReturnValue'" Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName $FunctionName -FunctionText $FunctionText $FunctionPath = Get-ModuleProjectFunctionPath -ModuleProject $ViableModule -CommandName $FunctionName . "$FunctionPath" $actualReturnValue = Invoke-Expression "$FunctionName" $actualReturnValue | Should -Be $expectedReturnValue } it 'attempts to edit-modulecommand if functionText is not provided' { Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName 'Write-Foo' -WhatIf Assert-MockCalled Edit-ModuleCommand -Times 1 } it 'does not edit-modulecommand if functionText is provided' { Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName 'Write-Foo' -FunctionText 'Write-Output "Hello World"' -WhatIf Assert-MockCalled Edit-ModuleCommand -Times 0 } it 'splits strings into new lines on semicolon' { #Mock for the sake of assertion, but you need to still return a value to work. Mock SemicolonCreatesLineBreakTransformation {param($inputData) return $inputData} Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName 'Write-Foo' -FunctionText 'Write-Output "Hello World"' -WhatIf Assert-MockCalled SemicolonCreatesLineBreakTransformation -Times 1 } it 'Should try to update the ModuleProject' { Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName 'Write-Foo' -FunctionText 'Write-Output "Hello World"' -WhatIf Assert-MockCalled Update-ModuleProject -Times 1 -ParameterFilter {$ModuleProject -eq $ViableModule} } it 'Should try to re-import the ModuleProject' { Add-TestModule -Name $ViableModule -IncludeManifest -IncludeRoot -IncludeFunctions -IncludeAliases Add-ModuleFunction -ModuleProject $ViableModule -FunctionName 'Write-Foo' -FunctionText 'Write-Output "Hello World"' -WhatIf Assert-MockCalled Import-Module -Times 1 -ParameterFilter {$Name -eq $BaseModuleName -and $Force -eq $True -and $Global -eq $True} } } } |