fix(augment): make hook installation transactional

test-support/augment-test-helpers.mjs

@@ -0,0 +1,183 @@
+import { spawn } from 'node:child_process';
+import { mkdir, mkdtemp, readFile, rm, writeFile } from 'node:fs/promises';
+import http from 'node:http';
+import os from 'node:os';
+import path from 'node:path';
+import { pathToFileURL } from 'node:url';
+
+export const VALID_PRIVATE_KEY = Buffer.alloc(32).toString('base64url');
+export const pluginModuleUrl = pathToFileURL(path.resolve('dist/plugins/augment.js')).href;
+export const registryModuleUrl = pathToFileURL(path.resolve('dist/plugins/registry.js')).href;
+export const ioModuleUrl = pathToFileURL(path.resolve('dist/plugins/augment-io.js')).href;
+export const installationModuleUrl = pathToFileURL(
+  path.resolve('dist/plugins/augment-installation.js'),
+).href;
+export const managedInstallationModuleUrl = pathToFileURL(
+  path.resolve('dist/plugins/managed-installation.js'),
+).href;
+export const cliPath = path.resolve('dist/cli.js');
+export const wrapperExtension = process.platform === 'win32' ? '.cmd' : '.sh';
+export const guardWrapperName = `augment-guard${wrapperExtension}`;
+export const auditWrapperName = `augment-hook${wrapperExtension}`;
+
+export function runProcess(command, args, env, cwd, input = '') {
+  return new Promise((resolve, reject) => {
+    const child = spawn(command, args, {
+      cwd,
+      env: { ...process.env, ...env },
+      stdio: ['pipe', 'pipe', 'pipe'],
+      windowsHide: true,
+    });
+    let stdout = '';
+    let stderr = '';
+    child.stdout.on('data', (chunk) => { stdout += chunk; });
+    child.stderr.on('data', (chunk) => { stderr += chunk; });
+    child.once('error', reject);
+    child.once('close', (code) => resolve({ code, stdout, stderr }));
+    child.stdin.end(input);
+  });
+}
+
+export function runNode(args, env, cwd, input = '') {
+  return runProcess(process.execPath, args, env, cwd, input);
+}
+
+export function runHandler(handler, input, fixture) {
+  return new Promise((resolve, reject) => {
+    const child = spawn(handler.command, {
+      cwd: fixture.projectDir,
+      env: { ...process.env, HOME: fixture.homeDir, USERPROFILE: fixture.homeDir },
+      shell: true,
+      stdio: ['pipe', 'pipe', 'pipe'],
+      windowsHide: true,
+    });
+    let stdout = '';
+    let stderr = '';
+    child.stdout.on('data', (chunk) => { stdout += chunk; });
+    child.stderr.on('data', (chunk) => { stderr += chunk; });
+    child.once('error', reject);
+    child.once('close', (code) => resolve({ code, stdout, stderr }));
+    child.stdin.end(input);
+  });
+}
+
+export async function writeJson(filePath, value) {
+  await mkdir(path.dirname(filePath), { recursive: true });
+  const contents = typeof value === 'string' ? value : `${JSON.stringify(value, null, 2)}\n`;
+  await writeFile(filePath, contents, { encoding: 'utf-8', mode: 0o600 });
+}
+
+export function installConfig(fixture, overrides = {}) {
+  return {
+    agentName: 'augment',
+    orgId: 'org-1',
+    agentId: 'agent-1',
+    privateKey: VALID_PRIVATE_KEY,
+    kid: 'kid-1',
+    token: 'token-1',
+    baseUrl: fixture.baseUrl,
+    guardScriptPath: fixture.guardScriptPath,
+    hookScriptPath: fixture.hookScriptPath,
+    ...overrides,
+  };
+}
+
+export async function runPlugin(fixture, method, argument) {
+  const source = `
+    import { augmentPlugin } from ${JSON.stringify(pluginModuleUrl)};
+    const argument = JSON.parse(process.env.ELYDORA_TEST_ARGUMENT);
+    const result = await augmentPlugin[process.env.ELYDORA_TEST_METHOD](argument);
+    if (result !== undefined) console.log(JSON.stringify(result));
+  `;
+  return runNode(
+    ['--input-type=module', '--eval', source],
+    {
+      HOME: fixture.homeDir,
+      USERPROFILE: fixture.homeDir,
+      ELYDORA_TEST_ARGUMENT: JSON.stringify(argument),
+      ELYDORA_TEST_METHOD: method,
+    },
+    fixture.projectDir,
+  );
+}
+
+export async function createFixture({ baseUrl = 'http://127.0.0.1:9', settings } = {}) {
+  const rootDir = await mkdtemp(path.join(os.tmpdir(), 'elydora-augment-'));
+  const homeDir = path.join(rootDir, "home with spaces and 'quote %AUGGIE%");
+  const projectDir = path.join(rootDir, 'project with spaces');
+  const settingsPath = path.join(homeDir, '.augment', 'settings.json');
+  const agentDir = path.join(homeDir, '.elydora', 'agent-1');
+  const guardScriptPath = path.join(agentDir, 'guard.js');
+  const hookScriptPath = path.join(agentDir, 'hook.js');
+  await mkdir(projectDir, { recursive: true });
+  if (settings !== undefined) await writeJson(settingsPath, settings);
+  const fixture = {
+    agentDir,
+    auditWrapperPath: path.join(agentDir, auditWrapperName),
+    baseUrl,
+    guardScriptPath,
+    guardWrapperPath: path.join(agentDir, guardWrapperName),
+    homeDir,
+    hookScriptPath,
+    projectDir,
+    rootDir,
+    settingsPath,
+    install(overrides = {}) {
+      return runPlugin(this, 'install', installConfig(this, overrides));
+    },
+    async close() {
+      await rm(rootDir, { recursive: true, force: true });
+    },
+  };
+  return fixture;
+}
+
+export async function readSettings(filePath) {
+  const raw = await readFile(filePath, 'utf-8');
+  return { raw, settings: JSON.parse(raw) };
+}
+
+export function generatedCommand(wrapperPath) {
+  if (process.platform === 'win32') return `"${wrapperPath.replaceAll('"', '\\"')}"`;
+  return `'${wrapperPath.replaceAll("'", `'"'"'`)}'`;
+}
+
+export function managedHandler(settings, event, wrapperPath) {
+  const command = generatedCommand(wrapperPath);
+  for (const group of settings.hooks?.[event] ?? []) {
+    const handler = group.hooks.find((candidate) => candidate.command === command);
+    if (handler) return handler;
+  }
+  return undefined;
+}
+
+export async function startApiServer({ status = 'active', operationStatus = 201 } = {}) {
+  const requests = [];
+  const server = http.createServer(async (request, response) => {
+    const chunks = [];
+    for await (const chunk of request) chunks.push(chunk);
+    const raw = Buffer.concat(chunks).toString('utf-8');
+    requests.push({ headers: request.headers, method: request.method, url: request.url, raw });
+    if (request.method === 'GET') {
+      response.writeHead(200, { 'Content-Type': 'application/json' });
+      response.end(JSON.stringify({ agent: { status } }));
+      return;
+    }
+    response.writeHead(operationStatus, { 'Content-Type': 'application/json' });
+    response.end(operationStatus >= 200 && operationStatus < 300
+      ? JSON.stringify({ operation: { accepted: true } })
+      : JSON.stringify({ error: { code: 'UPSTREAM_FAILURE', message: 'failed' } }));
+  });
+  await new Promise((resolve, reject) => {
+    server.once('error', reject);
+    server.listen(0, '127.0.0.1', resolve);
+  });
+  const address = server.address();
+  return {
+    baseUrl: `http://127.0.0.1:${address.port}`,
+    requests,
+    close: () => new Promise((resolve, reject) => {
+      server.close((error) => error ? reject(error) : resolve());
+    }),
+  };
+}