test/module/manifest/Update-ManifestFunctionsToExportField.Tests.ps1

using module ..\..\.\TestRunnerSupportModule.psm1

Describe "Test Update-ManifestFunctionsToExportField" {
    
    BeforeAll {
        $TestSupportModule = [TestRunnerSupportModule]::new($true, 'MockModuleA')
    }
    AfterAll {
        $TestSupportModule.Teardown()
    }

    Context "Call Update-RootModuleUsingStatements and pipe result" {
        It "Should overwrite the default value ('@()') for FunctionsToExport field with 'using' statements" {
            Update-RootModuleUsingStatements -Path $TestSupportModule.MockDirectoryPath | Update-ManifestFunctionsToExportField

            $FunctionNames = Test-ModuleManifest $TestSupportModule.MockManifestPath | `
                Select-Object -ExpandProperty ExportedCommands | `
                Select-Object -ExpandProperty Values | `
                Select-Object -ExpandProperty Name

            'Get-AFunction' | Should -BeIn $FunctionNames
            'Get-BFunction' | Should -BeIn $FunctionNames
            'Get-CFunction' | Should -BeIn $FunctionNames
            'Set-CFunction' | Should -BeIn $FunctionNames
        }
    }

    Context "Call Update-RootModuleUsingStatements and pipe result that contains a 'NoExport' tag in one of the files" {
        New-Item -Path ($TestSupportModule.MockDirectoryPath + "\src\D") -ItemType Directory
        New-Item -Path ($TestSupportModule.MockDirectoryPath + "\src\D\Set-DFunction.ps1") -ItemType File -Value @"
using module ..\C\New-CFunction.ps1'
 
function Set-DFunction {
    [CmdletBinding()]
    param (
         
    )
     
}
 
# NoExport: Remove-DFunction
function Remove-DFunction {
    [CmdletBinding()]
    param (
         
    )
     
}
 
function Get-DFunction {
    [CmdletBinding()]
    param (
         
    )
     
}
"@
 

        It "Should overwrite the default value ('@()') for FunctionsToExport field with 'using' statements in ro" {
            Update-RootModuleUsingStatements -Path $TestSupportModule.MockDirectoryPath | Update-ManifestFunctionsToExportField

            $FunctionNames = Test-ModuleManifest $TestSupportModule.MockManifestPath | `
                Select-Object -ExpandProperty ExportedCommands | `
                Select-Object -ExpandProperty Values | `
                Select-Object -ExpandProperty Name

            'Get-AFunction' | Should -BeIn $FunctionNames
            'Get-BFunction' | Should -BeIn $FunctionNames
            'Get-CFunction' | Should -BeIn $FunctionNames
            'Set-CFunction' | Should -BeIn $FunctionNames
            'Get-DFunction' | Should -BeIn $FunctionNames
            'Set-DFunction' | Should -BeIn $FunctionNames
            'Remove-DFunction' | Should -not -BeIn $FunctionNames
        }

        It "Should after file removal insert one function name in FunctionsToExport field" {

            Remove-Item -Path (Join-Path $TestSupportModule.MockDirectoryPath -ChildPath 'src/*.ps1')
            Remove-Item -Path (Join-Path $TestSupportModule.MockDirectoryPath -ChildPath 'src/D/*.ps1')

            Update-RootModuleUsingStatements -Path $TestSupportModule.MockDirectoryPath | Update-ManifestFunctionsToExportField

            $FunctionNames = Test-ModuleManifest $TestSupportModule.MockManifestPath | `
                Select-Object -ExpandProperty ExportedCommands | `
                Select-Object -ExpandProperty Values | `
                Select-Object -ExpandProperty Name

            'Get-CFunction' | Should -BeIn $FunctionNames
        }
    }
}