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import { readFileSync } from 'node:fs';
import { isBuiltin } from 'node:module';
import { pathToFileURL } from 'node:url';
import { resolve } from 'pathe';
import { ModuleRunner } from 'vite/module-runner';
import { b as VitestTransport } from './startModuleRunner.Iz2V0ESw.js';
import { e as environments } from './index.BspFP3mn.js';
import { serializeError } from '@vitest/utils/error';
import { T as Traces } from './traces.U4xDYhzZ.js';
import { o as onCancel, a as rpcDone, c as createRuntimeRpc } from './rpc.BytlcPfC.js';
import { createStackString, parseStacktrace } from '@vitest/utils/source-map';
import { s as setupInspect } from './inspector.CvyFGlXm.js';
import { V as VitestEvaluatedModules } from './evaluatedModules.Dg1zASAC.js';
function isBuiltinEnvironment(env) {
return env in environments;
}
const isWindows = process.platform === "win32";
const _loaders = /* @__PURE__ */ new Map();
function createEnvironmentLoader(root, rpc) {
const cachedLoader = _loaders.get(root);
if (!cachedLoader || cachedLoader.isClosed()) {
_loaders.delete(root);
const moduleRunner = new ModuleRunner({
hmr: false,
sourcemapInterceptor: "prepareStackTrace",
transport: new VitestTransport({
async fetchModule(id, importer, options) {
const result = await rpc.fetch(id, importer, "__vitest__", options);
if ("cached" in result) return {
code: readFileSync(result.tmp, "utf-8"),
...result
};
if (isWindows && "externalize" in result)
// TODO: vitest returns paths for external modules, but Vite returns file://
// https://github.com/vitejs/vite/pull/20449
result.externalize = isBuiltin(id) || /^(?:node:|data:|http:|https:|file:)/.test(id) ? result.externalize : pathToFileURL(result.externalize).toString();
return result;
},
async resolveId(id, importer) {
return rpc.resolve(id, importer, "__vitest__");
}
})
});
_loaders.set(root, moduleRunner);
}
return _loaders.get(root);
}
async function loadEnvironment(name, root, rpc, traces) {
if (isBuiltinEnvironment(name)) return { environment: environments[name] };
const loader = createEnvironmentLoader(root, rpc);
const packageId = name[0] === "." || name[0] === "/" ? resolve(root, name) : (await traces.$("vitest.runtime.environment.resolve", () => rpc.resolve(`vitest-environment-${name}`, void 0, "__vitest__")))?.id ?? resolve(root, name);
const pkg = await traces.$("vitest.runtime.environment.import", () => loader.import(packageId));
if (!pkg || !pkg.default || typeof pkg.default !== "object") throw new TypeError(`Environment "${name}" is not a valid environment. Path "${packageId}" should export default object with a "setup" or/and "setupVM" method.`);
const environment = pkg.default;
if (environment.transformMode != null && environment.transformMode !== "web" && environment.transformMode !== "ssr") throw new TypeError(`Environment "${name}" is not a valid environment. Path "${packageId}" should export default object with a "transformMode" method equal to "ssr" or "web", received "${environment.transformMode}".`);
if (environment.transformMode) {
console.warn(`The Vitest environment ${environment.name} defines the "transformMode". This options was deprecated in Vitest 4 and will be removed in the next major version. Please, use "viteEnvironment" instead.`);
// keep for backwards compat
environment.viteEnvironment ??= environment.transformMode === "ssr" ? "ssr" : "client";
}
return {
environment,
loader
};
}
const resolvingModules = /* @__PURE__ */ new Set();
const globalListeners = /* @__PURE__ */ new Set();
async function execute(method, ctx, worker, traces) {
const prepareStart = performance.now();
const cleanups = [setupInspect(ctx)];
// RPC is used to communicate between worker (be it a thread worker or child process or a custom implementation) and the main thread
const rpc = ctx.rpc;
try {
// do not close the RPC channel so that we can get the error messages sent to the main thread
cleanups.push(async () => {
await Promise.all(rpc.$rejectPendingCalls(({ method, reject }) => {
reject(/* @__PURE__ */ new Error(`[vitest-worker]: Closing rpc while "${method}" was pending`));
}));
});
const state = {
ctx,
evaluatedModules: new VitestEvaluatedModules(),
resolvingModules,
moduleExecutionInfo: /* @__PURE__ */ new Map(),
config: ctx.config,
environment: null,
durations: {
environment: 0,
prepare: prepareStart
},
rpc,
onCancel,
onCleanup: (listener) => globalListeners.add(listener),
providedContext: ctx.providedContext,
onFilterStackTrace(stack) {
return createStackString(parseStacktrace(stack));
},
metaEnv: createImportMetaEnvProxy()
};
const methodName = method === "collect" ? "collectTests" : "runTests";
if (!worker[methodName] || typeof worker[methodName] !== "function") throw new TypeError(`Test worker should expose "runTests" method. Received "${typeof worker.runTests}".`);
await worker[methodName](state, traces);
} finally {
await rpcDone().catch(() => {});
await Promise.all(cleanups.map((fn) => fn())).catch(() => {});
}
}
function run(ctx, worker, traces) {
return execute("run", ctx, worker, traces);
}
function collect(ctx, worker, traces) {
return execute("collect", ctx, worker, traces);
}
async function teardown() {
await Promise.all([...globalListeners].map((l) => l()));
}
const env = process.env;
function createImportMetaEnvProxy() {
// packages/vitest/src/node/plugins/index.ts:146
const booleanKeys = [
"DEV",
"PROD",
"SSR"
];
return new Proxy(env, {
get(_, key) {
if (typeof key !== "string") return;
if (booleanKeys.includes(key)) return !!process.env[key];
return process.env[key];
},
set(_, key, value) {
if (typeof key !== "string") return true;
if (booleanKeys.includes(key)) process.env[key] = value ? "1" : "";
else process.env[key] = value;
return true;
}
});
}
const __vitest_worker_response__ = true;
const memoryUsage = process.memoryUsage.bind(process);
let reportMemory = false;
let traces;
/** @experimental */
function init(worker) {
worker.on(onMessage);
let runPromise;
let isRunning = false;
let workerTeardown;
let setupContext;
function send(response) {
worker.post(worker.serialize ? worker.serialize(response) : response);
}
async function onMessage(rawMessage) {
const message = worker.deserialize ? worker.deserialize(rawMessage) : rawMessage;
if (message?.__vitest_worker_request__ !== true) return;
switch (message.type) {
case "start": {
process.env.VITEST_POOL_ID = String(message.poolId);
process.env.VITEST_WORKER_ID = String(message.workerId);
reportMemory = message.options.reportMemory;
const tracesStart = performance.now();
traces ??= await new Traces({
enabled: message.traces.enabled,
sdkPath: message.traces.sdkPath
}).waitInit();
const tracesEnd = performance.now();
const { environment, config, pool } = message.context;
const context = traces.getContextFromCarrier(message.traces.otelCarrier);
// record telemetry as part of "start"
traces.startSpan("vitest.runtime.traces", { startTime: tracesStart }, context).end(tracesEnd);
try {
setupContext = {
environment,
config,
pool,
rpc: createRuntimeRpc(worker),
projectName: config.name || "",
traces
};
workerTeardown = await traces.$("vitest.runtime.setup", { context }, () => worker.setup?.(setupContext));
send({
type: "started",
__vitest_worker_response__
});
} catch (error) {
send({
type: "started",
__vitest_worker_response__,
error: serializeError(error)
});
}
break;
}
case "run":
// Prevent concurrent execution if worker is already running
if (isRunning) {
send({
type: "testfileFinished",
__vitest_worker_response__,
error: serializeError(/* @__PURE__ */ new Error("[vitest-worker]: Worker is already running tests"))
});
return;
}
try {
process.env.VITEST_WORKER_ID = String(message.context.workerId);
} catch (error) {
return send({
type: "testfileFinished",
__vitest_worker_response__,
error: serializeError(error),
usedMemory: reportMemory ? memoryUsage().heapUsed : void 0
});
}
isRunning = true;
try {
const tracesContext = traces.getContextFromCarrier(message.otelCarrier);
runPromise = traces.$("vitest.runtime.run", {
context: tracesContext,
attributes: {
"vitest.worker.specifications": traces.isEnabled() ? getFilesWithLocations(message.context.files) : [],
"vitest.worker.id": message.context.workerId
}
}, () => run({
...setupContext,
...message.context
}, worker, traces).catch((error) => serializeError(error)));
send({
type: "testfileFinished",
__vitest_worker_response__,
error: await runPromise,
usedMemory: reportMemory ? memoryUsage().heapUsed : void 0
});
} finally {
runPromise = void 0;
isRunning = false;
}
break;
case "collect":
// Prevent concurrent execution if worker is already running
if (isRunning) {
send({
type: "testfileFinished",
__vitest_worker_response__,
error: serializeError(/* @__PURE__ */ new Error("[vitest-worker]: Worker is already running tests"))
});
return;
}
try {
process.env.VITEST_WORKER_ID = String(message.context.workerId);
} catch (error) {
return send({
type: "testfileFinished",
__vitest_worker_response__,
error: serializeError(error),
usedMemory: reportMemory ? memoryUsage().heapUsed : void 0
});
}
isRunning = true;
try {
const tracesContext = traces.getContextFromCarrier(message.otelCarrier);
runPromise = traces.$("vitest.runtime.collect", {
context: tracesContext,
attributes: {
"vitest.worker.specifications": traces.isEnabled() ? getFilesWithLocations(message.context.files) : [],
"vitest.worker.id": message.context.workerId
}
}, () => collect({
...setupContext,
...message.context
}, worker, traces).catch((error) => serializeError(error)));
send({
type: "testfileFinished",
__vitest_worker_response__,
error: await runPromise,
usedMemory: reportMemory ? memoryUsage().heapUsed : void 0
});
} finally {
runPromise = void 0;
isRunning = false;
}
break;
case "stop":
await runPromise;
try {
const context = traces.getContextFromCarrier(message.otelCarrier);
const error = await traces.$("vitest.runtime.teardown", { context }, async () => {
const error = await teardown().catch((error) => serializeError(error));
await workerTeardown?.();
return error;
});
await traces.finish();
send({
type: "stopped",
error,
__vitest_worker_response__
});
} catch (error) {
send({
type: "stopped",
error: serializeError(error),
__vitest_worker_response__
});
}
worker.teardown?.();
break;
}
}
}
function getFilesWithLocations(files) {
return files.flatMap((file) => {
if (!file.testLocations) return file.filepath;
return file.testLocations.map((location) => {
return `${file}:${location}`;
});
});
}
export { init as i, loadEnvironment as l };