Tests/WSLTabCompletion.Tests.ps1
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BeforeAll { $Public = @( Get-ChildItem -Path $PSScriptRoot\..\Public\*.ps1 -ErrorAction SilentlyContinue ) $Private = @( Get-ChildItem -Path $PSScriptRoot\..\Private\*.ps1 -ErrorAction SilentlyContinue ) Foreach($import in @($Public + $Private)) { Try { . $import.fullname } Catch { Write-Error -Message "Failed to import function $($import.fullname): $_" } } function Get-CommandAst { [OutputType([System.Management.Automation.Language.CommandAst])] param ([String]$CommandLine) $tokens = $Errors = $null $ast = [System.Management.Automation.Language.Parser]::ParseInput($CommandLine,[ref]$Tokens,[ref]$Errors) return $ast.Find({$args[0] -is [System.Management.Automation.Language.CommandAst]}, $true) } } Describe 'Get-CompletionPattern for <CommandLine>' -ForEach @( @{ CommandLine = "wsl -d Ubuntu "; ExpectedResult = "efv " } @{ CommandLine = "wsl ~ -"; ExpectedResult = "efp" } @{ CommandLine = "wsl --list "; ExpectedResult = "ec " } @{ CommandLine = "wsl --list --ve"; ExpectedResult = "ecp" } ) { It 'Completion Pattern should be "<ExpectedResult>"' { $commandAst = Get-CommandAst $commandLine [String[]]$compTokens = $commandAst.CommandElements.ForEach({$_.Extent.Text}) if ($CommandLine[-1] -eq " ") { $wordToComplete = "" } else { $wordToComplete = $compTokens[-1] } $completionPattern = Get-CompletionPattern -Tokens $compTokens -WordToComplete $wordToComplete $completionPattern | Should -Be $ExpectedResult } } #$a = & $Script:argCompFunction "" $commandAst $commandAst.Extent.EndOffset |