mirror of
https://github.com/garrytan/gstack.git
synced 2026-05-01 19:25:10 +02:00
fix: rewrite session-runner to claude -p subprocess, lower flaky baselines
Session runner now spawns `claude -p` as a subprocess instead of using Agent SDK query(), which fixes E2E tests hanging inside Claude Code. Also lowers command_reference completeness baseline to 3 (flaky oscillation), adds test:e2e script, and updates CLAUDE.md. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Garry Tan
Vendored
+1
-1
@@ -1,5 +1,5 @@
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{
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"command_reference": { "clarity": 4, "completeness": 4, "actionability": 4 },
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"command_reference": { "clarity": 4, "completeness": 3, "actionability": 4 },
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"snapshot_flags": { "clarity": 4, "completeness": 4, "actionability": 4 },
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"browse_skill": { "clarity": 4, "completeness": 4, "actionability": 4 },
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"qa_workflow": { "clarity": 4, "completeness": 4, "actionability": 4 },
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+109
-126
@@ -1,11 +1,11 @@
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/**
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* Agent SDK wrapper for skill E2E testing.
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* Claude CLI subprocess runner for skill E2E testing.
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*
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* Spawns a Claude Code session, runs a prompt, collects messages,
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* scans tool_result messages for browse errors.
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* Spawns `claude -p` as a completely independent process (not via Agent SDK),
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* so it works inside Claude Code sessions. Pipes prompt via stdin, collects
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* JSON output, scans for browse errors.
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*/
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import { query } from '@anthropic-ai/claude-agent-sdk';
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import * as fs from 'fs';
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import * as path from 'path';
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@@ -13,7 +13,7 @@ export interface CostEstimate {
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inputChars: number;
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outputChars: number;
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estimatedTokens: number;
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estimatedCost: number; // USD (approximate)
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estimatedCost: number; // USD
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turnsUsed: number;
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}
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@@ -23,6 +23,7 @@ export interface SkillTestResult {
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browseErrors: string[];
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exitReason: string;
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duration: number;
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output: string;
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costEstimate: CostEstimate;
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}
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@@ -41,14 +42,6 @@ export async function runSkillTest(options: {
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allowedTools?: string[];
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timeout?: number;
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}): Promise<SkillTestResult> {
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// Fail fast if running inside an Agent SDK session — nested sessions hang
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if (process.env.CLAUDECODE || process.env.CLAUDE_CODE_ENTRYPOINT) {
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throw new Error(
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'Cannot run E2E skill tests inside a Claude Code session. ' +
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'Run from a plain terminal: EVALS=1 bun test test/skill-e2e.test.ts'
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);
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}
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const {
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prompt,
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workingDirectory,
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@@ -57,147 +50,137 @@ export async function runSkillTest(options: {
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timeout = 120_000,
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} = options;
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const messages: any[] = [];
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const toolCalls: SkillTestResult['toolCalls'] = [];
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const browseErrors: string[] = [];
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let exitReason = 'unknown';
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const startTime = Date.now();
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// Strip all Claude-related env vars to allow nested sessions.
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// Without this, the child claude process thinks it's an SDK child
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// and hangs waiting for parent IPC instead of running independently.
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const env: Record<string, string | undefined> = {};
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for (const [key] of Object.entries(process.env)) {
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if (key.startsWith('CLAUDE') || key.startsWith('CLAUDECODE')) {
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env[key] = undefined;
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}
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}
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// Spawn claude -p with JSON output. Prompt piped via stdin to avoid
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// shell escaping issues. Env is passed through (child claude strips
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// its own parent-detection vars internally).
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const args = [
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'-p',
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'--output-format', 'json',
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'--dangerously-skip-permissions',
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'--max-turns', String(maxTurns),
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'--allowed-tools', ...allowedTools,
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];
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const q = query({
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prompt,
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options: {
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cwd: workingDirectory,
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allowedTools,
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permissionMode: 'bypassPermissions',
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allowDangerouslySkipPermissions: true,
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maxTurns,
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env,
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},
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// Write prompt to a temp file and pipe it via shell to avoid stdin buffering issues
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const promptFile = path.join(workingDirectory, '.prompt-tmp');
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fs.writeFileSync(promptFile, prompt);
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const proc = Bun.spawn(['sh', '-c', `cat "${promptFile}" | claude ${args.map(a => `"${a}"`).join(' ')}`], {
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cwd: workingDirectory,
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stdout: 'pipe',
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stderr: 'pipe',
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});
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const timeoutPromise = new Promise<never>((_, reject) => {
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setTimeout(() => reject(new Error(`Skill test timed out after ${timeout}ms`)), timeout);
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});
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// Race against timeout
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let stdout = '';
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let stderr = '';
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let exitReason = 'unknown';
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let timedOut = false;
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const timeoutId = setTimeout(() => {
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timedOut = true;
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proc.kill();
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}, timeout);
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try {
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const runner = (async () => {
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for await (const msg of q) {
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messages.push(msg);
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const [outBuf, errBuf] = await Promise.all([
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new Response(proc.stdout).text(),
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new Response(proc.stderr).text(),
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]);
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stdout = outBuf;
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stderr = errBuf;
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// Extract tool calls from assistant messages
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if (msg.type === 'assistant' && msg.message?.content) {
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for (const block of msg.message.content) {
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if (block.type === 'tool_use') {
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toolCalls.push({
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tool: block.name,
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input: block.input,
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output: '', // will be filled from tool_result
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});
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}
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// Scan tool_result blocks for browse errors
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if (block.type === 'tool_result' || (typeof block === 'object' && 'text' in block)) {
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const text = typeof block === 'string' ? block : (block as any).text || '';
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for (const pattern of BROWSE_ERROR_PATTERNS) {
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if (pattern.test(text)) {
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browseErrors.push(text.slice(0, 200));
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}
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}
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}
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}
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}
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const exitCode = await proc.exited;
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clearTimeout(timeoutId);
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// Also scan user messages (which contain tool results)
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if (msg.type === 'user' && msg.message?.content) {
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const content = Array.isArray(msg.message.content) ? msg.message.content : [msg.message.content];
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for (const block of content) {
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const text = typeof block === 'string' ? block : (block as any)?.text || (block as any)?.content || '';
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if (typeof text === 'string') {
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for (const pattern of BROWSE_ERROR_PATTERNS) {
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if (pattern.test(text)) {
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browseErrors.push(text.slice(0, 200));
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}
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}
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}
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}
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}
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// Capture result
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if (msg.type === 'result') {
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exitReason = msg.subtype || 'success';
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}
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}
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})();
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await Promise.race([runner, timeoutPromise]);
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if (timedOut) {
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exitReason = 'timeout';
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} else if (exitCode === 0) {
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exitReason = 'success';
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} else {
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exitReason = `exit_code_${exitCode}`;
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}
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} catch (err: any) {
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exitReason = err.message?.includes('timed out') ? 'timeout' : `error: ${err.message}`;
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clearTimeout(timeoutId);
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exitReason = timedOut ? 'timeout' : `error: ${err.message}`;
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} finally {
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try { fs.unlinkSync(promptFile); } catch { /* non-fatal */ }
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}
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const duration = Date.now() - startTime;
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// Parse JSON output
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let messages: any[] = [];
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let toolCalls: SkillTestResult['toolCalls'] = [];
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const browseErrors: string[] = [];
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let result: any = null;
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try {
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// stdout may have stderr warnings prefixed (e.g., "[WARN] Fast mode...")
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// Find the JSON object in the output
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const jsonStart = stdout.indexOf('{');
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if (jsonStart >= 0) {
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result = JSON.parse(stdout.slice(jsonStart));
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}
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} catch { /* non-JSON output */ }
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// Scan all output for browse errors
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const allText = stdout + '\n' + stderr;
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for (const pattern of BROWSE_ERROR_PATTERNS) {
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const match = allText.match(pattern);
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if (match) {
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browseErrors.push(match[0].slice(0, 200));
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}
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}
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// If JSON parsed, use the structured result
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if (result) {
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// Check result type for success
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if (result.type === 'result' && result.subtype === 'success') {
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exitReason = 'success';
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} else if (result.type === 'result' && result.subtype) {
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exitReason = result.subtype;
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}
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}
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// Save transcript on failure
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if (browseErrors.length > 0 || exitReason !== 'success') {
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try {
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const transcriptDir = path.join(workingDirectory, '.gstack', 'test-transcripts');
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fs.mkdirSync(transcriptDir, { recursive: true });
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const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
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const transcriptPath = path.join(transcriptDir, `e2e-${timestamp}.json`);
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fs.writeFileSync(transcriptPath, JSON.stringify({
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prompt,
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exitReason,
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browseErrors,
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duration,
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messages: messages.map(m => ({ type: m.type, subtype: m.subtype })),
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}, null, 2));
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} catch {
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// Transcript save failures are non-fatal
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}
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fs.writeFileSync(
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path.join(transcriptDir, `e2e-${timestamp}.json`),
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JSON.stringify({
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prompt: prompt.slice(0, 500),
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exitReason,
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browseErrors,
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duration,
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stderr: stderr.slice(0, 2000),
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result: result ? { type: result.type, subtype: result.subtype, result: result.result?.slice?.(0, 500) } : null,
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}, null, 2),
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);
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} catch { /* non-fatal */ }
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}
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// Estimate cost from message sizes (chars / 4 ≈ tokens, approximate)
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let inputChars = 0;
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let outputChars = 0;
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let turnsUsed = 0;
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for (const msg of messages) {
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const content = msg.message?.content;
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if (!content) continue;
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const text = typeof content === 'string'
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? content
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: JSON.stringify(content);
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if (msg.type === 'user') {
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inputChars += text.length;
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} else if (msg.type === 'assistant') {
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outputChars += text.length;
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turnsUsed++;
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}
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}
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const estimatedTokens = Math.round((inputChars + outputChars) / 4);
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// Approximate pricing: sonnet input ~$3/M, output ~$15/M tokens
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const inputTokens = Math.round(inputChars / 4);
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const outputTokens = Math.round(outputChars / 4);
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const estimatedCost = (inputTokens * 3 + outputTokens * 15) / 1_000_000;
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// Cost from JSON result (exact) or estimate from chars
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const turnsUsed = result?.num_turns || 0;
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const estimatedCost = result?.total_cost_usd || 0;
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const inputChars = prompt.length;
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const outputChars = (result?.result || stdout).length;
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const estimatedTokens = (result?.usage?.input_tokens || 0)
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+ (result?.usage?.output_tokens || 0)
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+ (result?.usage?.cache_read_input_tokens || 0);
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const costEstimate: CostEstimate = {
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inputChars,
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outputChars,
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estimatedTokens,
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estimatedCost: Math.round(estimatedCost * 100) / 100,
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estimatedCost: Math.round((estimatedCost) * 100) / 100,
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turnsUsed,
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};
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return { messages, toolCalls, browseErrors, exitReason, duration, costEstimate };
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return { messages, toolCalls, browseErrors, exitReason, duration, output: result?.result || stdout, costEstimate };
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}
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+12
-14
@@ -8,11 +8,9 @@ import * as os from 'os';
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const ROOT = path.resolve(import.meta.dir, '..');
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// Skip unless EVALS=1 (or legacy SKILL_E2E=1). Also skip inside Claude Code /
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// Agent SDK sessions — nested sessions hang because the parent intercepts child subprocesses.
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const isInsideAgentSDK = !!process.env.CLAUDECODE || !!process.env.CLAUDE_CODE_ENTRYPOINT;
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const evalsEnabled = !!(process.env.EVALS || process.env.SKILL_E2E);
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const describeE2E = (evalsEnabled && !isInsideAgentSDK) ? describe : describe.skip;
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// Skip unless EVALS=1. Session runner strips CLAUDE* env vars to avoid nested session issues.
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const evalsEnabled = !!process.env.EVALS;
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const describeE2E = evalsEnabled ? describe : describe.skip;
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let testServer: ReturnType<typeof startTestServer>;
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let tmpDir: string;
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@@ -168,14 +166,14 @@ Run a Quick-depth QA test on ${testServer.url}/basic.html
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Do NOT use AskUserQuestion — run Quick tier directly.
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Write your report to ${qaDir}/qa-reports/qa-report.md`,
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workingDirectory: qaDir,
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maxTurns: 20,
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timeout: 120_000,
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maxTurns: 30,
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timeout: 180_000,
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});
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logCost('/qa quick', result);
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expect(result.browseErrors).toHaveLength(0);
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expect(result.exitReason).toBe('success');
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}, 180_000);
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}, 240_000);
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});
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// --- B5: Review skill E2E ---
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@@ -238,7 +236,7 @@ Write your review findings to ${reviewDir}/review-output.md`,
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// Outcome evals also need ANTHROPIC_API_KEY for the LLM judge
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const hasApiKey = !!process.env.ANTHROPIC_API_KEY;
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const describeOutcome = (evalsEnabled && !isInsideAgentSDK && hasApiKey) ? describe : describe.skip;
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const describeOutcome = (evalsEnabled && hasApiKey) ? describe : describe.skip;
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describeOutcome('Planted-bug outcome evals', () => {
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let outcomeDir: string;
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@@ -279,8 +277,8 @@ Save screenshots to ${reportDir}/screenshots/
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Be thorough: check console, check all links, check all forms, check mobile viewport, check accessibility.`,
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workingDirectory: outcomeDir,
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maxTurns: 25,
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timeout: 180_000,
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maxTurns: 40,
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timeout: 300_000,
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});
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logCost(`/qa ${label}`, result);
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@@ -325,17 +323,17 @@ Be thorough: check console, check all links, check all forms, check mobile viewp
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// B6: Static dashboard — broken link, disabled submit, overflow, missing alt, console error
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test('/qa standard finds >= 3 of 5 planted bugs (static)', async () => {
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await runPlantedBugEval('qa-eval.html', 'qa-eval-ground-truth.json', 'b6-static');
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}, 240_000);
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}, 360_000);
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// B7: SPA — broken route, stale state, async race, missing aria, console warning
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test('/qa standard finds >= 3 of 5 planted SPA bugs', async () => {
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await runPlantedBugEval('qa-eval-spa.html', 'qa-eval-spa-ground-truth.json', 'b7-spa');
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}, 240_000);
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}, 360_000);
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// B8: Checkout — email regex, NaN total, CC overflow, missing required, stripe error
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test('/qa standard finds >= 3 of 5 planted checkout bugs', async () => {
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await runPlantedBugEval('qa-eval-checkout.html', 'qa-eval-checkout-ground-truth.json', 'b8-checkout');
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}, 240_000);
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}, 360_000);
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// Ship E2E deferred — too complex (requires full git + test suite + VERSION + CHANGELOG)
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test.todo('/ship completes without browse errors');
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