ast-grep

1#Requires -Version 5.12# Smoke test for the ast-grep skill on Windows (PowerShell 5.1+).3$ErrorActionPreference = 'Stop'4 5$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path6$SkillDir  = Split-Path -Parent $ScriptDir7$Helper    = Join-Path $SkillDir 'scripts/ast_grep_helper.py'8$Python    = if (Get-Command py -ErrorAction SilentlyContinue) { 'py' } else { 'python' }9 10$Output = Join-Path $env:TEMP ("ast-grep-skill-smoke-" + [guid]::NewGuid().ToString('N').Substring(0,8))11New-Item -ItemType Directory -Path $Output -Force | Out-Null12 13function Pass([string]$msg) { Write-Host "PASS: $msg" }14function Fail([string]$msg) { Write-Host "FAIL: $msg" -ForegroundColor Red; Remove-Item -Recurse -Force $Output -ErrorAction SilentlyContinue; exit 1 }15 16function Run([string[]]$Args) {17    $stdoutFile = Join-Path $Output ("out-" + [guid]::NewGuid().ToString('N').Substring(0,8) + ".txt")18    $proc = Start-Process -FilePath $Python -ArgumentList (@($Helper) + $Args) -NoNewWindow -PassThru -Wait -RedirectStandardOutput $stdoutFile -RedirectStandardError "$stdoutFile.err"19    $stdout = if (Test-Path $stdoutFile) { Get-Content $stdoutFile -Raw } else { '' }20    $stderr = if (Test-Path "$stdoutFile.err") { Get-Content "$stdoutFile.err" -Raw } else { '' }21    return [pscustomobject]@{22        ExitCode = $proc.ExitCode23        Stdout = $stdout24        Stderr = $stderr25        Combined = "$stdout`n$stderr"26    }27}28 29try {30    # 1. --version31    $r = Run @('--version')32    if ($r.Combined -notmatch 'ast-grep-helper') { Fail '--version output missing' }33    Pass '--version'34 35    # 2. langs (must list >=25)36    $r = Run @('langs')37    $langCount = ($r.Stdout -split "`n" | Where-Object { $_ -match '^  [a-z]' }).Count38    if ($langCount -lt 25) { Fail "langs listed only $langCount (expected >=25)" }39    Pass 'langs lists at least 25 languages'40 41    # 3. regex misuse: \w+42    $r = Run @('validate', '\w+', '--lang', 'ts')43    if ($r.ExitCode -ne 2) { Fail "validate '\w+' should exit 2, got $($r.ExitCode)" }44    if ($r.Combined -notmatch 'regex') { Fail "validate '\w+' should mention regex" }45    Pass 'validate detects \w regex misuse'46 47    # 4. valid pattern48    $r = Run @('validate', 'console.log($MSG)', '--lang', 'ts')49    if ($r.ExitCode -ne 0) { Fail "validate 'console.log(`$MSG)' should exit 0, got $($r.ExitCode)" }50    Pass 'validate accepts plausible pattern'51 52    # 5. Python trailing colon53    $r = Run @('validate', 'def $F($$$):', '--lang', 'py')54    if ($r.ExitCode -ne 2) { Fail "validate 'def `$F(`$`$`$):' should exit 2, got $($r.ExitCode)" }55    if ($r.Combined -notmatch 'colon|trailing') { Fail 'validate should mention trailing colon' }56    Pass 'validate detects Python trailing colon'57 58    # 6. Incomplete TS function59    $r = Run @('validate', 'function $N', '--lang', 'ts')60    if ($r.ExitCode -ne 2) { Fail "validate 'function `$N' should exit 2, got $($r.ExitCode)" }61    if ($r.Combined -notmatch 'incomplete|params|body') { Fail 'validate should hint about params/body' }62    Pass 'validate detects incomplete TS function'63 64    # 7. Alternation pipe65    $r = Run @('validate', 'foo|bar', '--lang', 'ts')66    if ($r.ExitCode -ne 2) { Fail "validate 'foo|bar' should exit 2, got $($r.ExitCode)" }67    if ($r.Combined -notmatch 'alternation|regex') { Fail 'validate should mention alternation' }68    Pass 'validate detects literal | alternation'69 70    # 8. doctor71    $r = Run @('doctor')72    if ($r.Combined -notmatch 'ast-grep-helper') { Fail 'doctor missing helper version line' }73    Pass 'doctor produces output'74 75    # 9. search w/o binary76    $r = Run @('-q', 'search', 'foo()', '--lang', 'ts', 'C:/nonexistent-path-xyzzy')77    switch ($r.ExitCode) {78        { $_ -in 0,1,4 } { Pass "search runs (rc=$($r.ExitCode), ast-grep available)" }79        3 {80            if ($r.Combined -notmatch 'install') { Fail 'search rc=3 should print install hint' }81            Pass 'search without binary prints install hint'82        }83        default { Fail "search returned unexpected rc=$($r.ExitCode): $($r.Combined)" }84    }85 86    # 10. install.ps1 syntax (parse-check via PowerShell tokenizer)87    $tokens = $null88    $errors = $null89    [System.Management.Automation.Language.Parser]::ParseFile(90        (Join-Path $SkillDir 'install.ps1'), [ref]$tokens, [ref]$errors) | Out-Null91    if ($errors -and $errors.Count -gt 0) { Fail "install.ps1 has parse errors: $($errors -join '; ')" }92    Pass 'install.ps1 parses cleanly'93 94    # 11. SKILL.md frontmatter95    $skill = Get-Content (Join-Path $SkillDir 'SKILL.md') -Raw96    if (-not $skill.StartsWith("---`n") -and -not $skill.StartsWith("---`r`n")) {97        Fail 'SKILL.md must start with YAML frontmatter'98    }99    $endIdx = $skill.IndexOf("`n---`n", 4)100    if ($endIdx -lt 0) { $endIdx = $skill.IndexOf("`r`n---`r`n", 4) }101    if ($endIdx -lt 0) { Fail 'SKILL.md missing closing ---' }102    $fm = $skill.Substring(4, $endIdx - 4)103    if ($fm -notmatch '(?m)^name:\s*ast-grep\s*$') { Fail 'frontmatter missing name: ast-grep' }104    if ($fm -notmatch '(?m)^description:') { Fail 'frontmatter missing description' }105    Pass 'SKILL.md frontmatter shape'106 107    # 12. All required reference files exist108    $required = @(109        'references/install.md', 'references/patterns.md', 'references/pitfalls.md',110        'references/recipes.md', 'references/cli.md', 'references/yaml-rules.md',111        'references/sgconfig.md'112    )113    foreach ($f in $required) {114        if (-not (Test-Path (Join-Path $SkillDir $f))) { Fail "missing $f" }115    }116    Pass 'all references present'117 118    Write-Host ''119    Write-Host 'all smoke tests passed'120}121finally {122    Remove-Item -Recurse -Force $Output -ErrorAction SilentlyContinue123}124