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https://github.com/denoland/deno
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![Matt Mastracci](/assets/img/avatar_default.png)
- Adding `None` flag for warmup script. - Modify opcall trace interface to match new Rust implementation
679 lines
20 KiB
JavaScript
679 lines
20 KiB
JavaScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { core, primordials } from "ext:core/mod.js";
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import { escapeName, withPermissions } from "ext:cli/40_test_common.js";
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// TODO(mmastrac): We cannot import these from "ext:core/ops" yet
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const {
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op_register_test_step,
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op_register_test,
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op_test_event_step_result_failed,
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op_test_event_step_result_ignored,
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op_test_event_step_result_ok,
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op_test_event_step_wait,
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op_test_op_sanitizer_collect,
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op_test_op_sanitizer_finish,
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op_test_op_sanitizer_get_async_message,
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op_test_op_sanitizer_report,
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} = core.ops;
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const {
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ArrayPrototypeFilter,
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ArrayPrototypeJoin,
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ArrayPrototypePush,
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ArrayPrototypeShift,
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DateNow,
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Error,
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Map,
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MapPrototypeGet,
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MapPrototypeHas,
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MapPrototypeSet,
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Promise,
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SafeArrayIterator,
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SymbolToStringTag,
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TypeError,
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} = primordials;
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import { setExitHandler } from "ext:runtime/30_os.js";
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import { setTimeout } from "ext:deno_web/02_timers.js";
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/**
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* @typedef {{
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* id: number,
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* name: string,
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* fn: TestFunction
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* origin: string,
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* location: TestLocation,
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* ignore: boolean,
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* only: boolean.
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* sanitizeOps: boolean,
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* sanitizeResources: boolean,
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* sanitizeExit: boolean,
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* permissions: PermissionOptions,
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* }} TestDescription
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*
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* @typedef {{
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* id: number,
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* name: string,
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* fn: TestFunction
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* origin: string,
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* location: TestLocation,
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* ignore: boolean,
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* level: number,
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* parent: TestDescription | TestStepDescription,
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* rootId: number,
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* rootName: String,
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* sanitizeOps: boolean,
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* sanitizeResources: boolean,
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* sanitizeExit: boolean,
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* }} TestStepDescription
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*
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* @typedef {{
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* context: TestContext,
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* children: TestStepDescription[],
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* completed: boolean,
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* }} TestState
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*
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* @typedef {{
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* context: TestContext,
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* children: TestStepDescription[],
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* completed: boolean,
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* failed: boolean,
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* }} TestStepState
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*
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* @typedef {{
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* id: number,
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* name: string,
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* fn: BenchFunction
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* origin: string,
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* ignore: boolean,
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* only: boolean.
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* sanitizeExit: boolean,
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* permissions: PermissionOptions,
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* }} BenchDescription
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*/
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/** @type {Map<number, TestState | TestStepState>} */
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const testStates = new Map();
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const opSanitizerDelayResolveQueue = [];
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let hasSetOpSanitizerDelayMacrotask = false;
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// Even if every resource is closed by the end of a test, there can be a delay
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// until the pending ops have all finished. This function returns a promise
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// that resolves when it's (probably) fine to run the op sanitizer.
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//
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// This is implemented by adding a macrotask callback that runs after the
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// all ready async ops resolve, and the timer macrotask. Using just a macrotask
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// callback without delaying is sufficient, because when the macrotask callback
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// runs after async op dispatch, we know that all async ops that can currently
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// return `Poll::Ready` have done so, and have been dispatched to JS.
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//
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// Worker ops are an exception to this, because there is no way for the user to
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// await shutdown of the worker from the thread calling `worker.terminate()`.
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// Because of this, we give extra leeway for worker ops to complete, by waiting
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// for a whole millisecond if there are pending worker ops.
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function opSanitizerDelay(hasPendingWorkerOps) {
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if (!hasSetOpSanitizerDelayMacrotask) {
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core.setMacrotaskCallback(handleOpSanitizerDelayMacrotask);
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hasSetOpSanitizerDelayMacrotask = true;
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}
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const p = new Promise((resolve) => {
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// Schedule an async op to complete immediately to ensure the macrotask is
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// run. We rely on the fact that enqueueing the resolver callback during the
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// timeout callback will mean that the resolver gets called in the same
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// event loop tick as the timeout callback.
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setTimeout(() => {
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ArrayPrototypePush(opSanitizerDelayResolveQueue, resolve);
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}, hasPendingWorkerOps ? 1 : 0);
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});
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return p;
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}
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function handleOpSanitizerDelayMacrotask() {
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const resolve = ArrayPrototypeShift(opSanitizerDelayResolveQueue);
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if (resolve) {
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resolve();
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return opSanitizerDelayResolveQueue.length === 0;
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}
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return undefined; // we performed no work, so can skip microtasks checkpoint
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}
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let opIdHostRecvMessage = -1;
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let opIdHostRecvCtrl = -1;
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let opNames = null;
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function populateOpNames() {
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opNames = core.opNames();
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opIdHostRecvMessage = opNames.indexOf("op_host_recv_message");
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opIdHostRecvCtrl = opNames.indexOf("op_host_recv_ctrl");
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}
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// Wrap test function in additional assertion that makes sure
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// the test case does not leak async "ops" - ie. number of async
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// completed ops after the test is the same as number of dispatched
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// ops. Note that "unref" ops are ignored since in nature that are
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// optional.
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function assertOps(fn) {
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/** @param desc {TestDescription | TestStepDescription} */
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return async function asyncOpSanitizer(desc) {
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let hasTraces = false;
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if (opNames === null) populateOpNames();
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const res = op_test_op_sanitizer_collect(
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desc.id,
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false,
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opIdHostRecvMessage,
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opIdHostRecvCtrl,
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);
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if (res !== 0) {
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await opSanitizerDelay(res === 2);
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op_test_op_sanitizer_collect(
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desc.id,
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true,
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opIdHostRecvMessage,
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opIdHostRecvCtrl,
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);
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}
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const preTraces = core.getAllOpCallTraces();
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let postTraces;
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let report = null;
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try {
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const innerResult = await fn(desc);
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if (innerResult) return innerResult;
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} finally {
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let res = op_test_op_sanitizer_finish(
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desc.id,
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false,
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opIdHostRecvMessage,
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opIdHostRecvCtrl,
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);
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if (res === 1 || res === 2) {
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await opSanitizerDelay(res === 2);
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res = op_test_op_sanitizer_finish(
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desc.id,
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true,
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opIdHostRecvMessage,
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opIdHostRecvCtrl,
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);
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}
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postTraces = core.getAllOpCallTraces();
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if (res === 3) {
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report = op_test_op_sanitizer_report(desc.id);
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}
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}
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if (report === null) return null;
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const details = [];
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for (const opReport of report) {
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const opName = opNames[opReport.id];
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const diff = opReport.diff;
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if (diff > 0) {
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const [name, hint] = op_test_op_sanitizer_get_async_message(opName);
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const count = diff;
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let message = `${count} async operation${
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count === 1 ? "" : "s"
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} to ${name} ${
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count === 1 ? "was" : "were"
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} started in this test, but never completed.`;
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if (hint) {
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message += ` This is often caused by not ${hint}.`;
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}
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const traces = [];
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for (const [id, stack] of postTraces) {
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if (MapPrototypeHas(preTraces, id)) continue;
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ArrayPrototypePush(traces, stack);
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}
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if (traces.length === 1) {
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message += " The operation was started here:\n";
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message += traces[0];
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} else if (traces.length > 1) {
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message += " The operations were started here:\n";
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message += ArrayPrototypeJoin(traces, "\n\n");
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}
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hasTraces |= traces.length > 0;
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ArrayPrototypePush(details, message);
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} else if (diff < 0) {
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const [name, hint] = op_test_op_sanitizer_get_async_message(opName);
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const count = -diff;
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let message = `${count} async operation${
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count === 1 ? "" : "s"
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} to ${name} ${
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count === 1 ? "was" : "were"
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} started before this test, but ${
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count === 1 ? "was" : "were"
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} completed during the test. Async operations should not complete in a test if they were not started in that test.`;
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if (hint) {
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message += ` This is often caused by not ${hint}.`;
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}
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const traces = [];
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for (const [id, stack] of preTraces) {
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if (MapPrototypeHas(postTraces, id)) continue;
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ArrayPrototypePush(traces, stack);
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}
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if (traces.length === 1) {
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message += " The operation was started here:\n";
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message += traces[0];
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} else if (traces.length > 1) {
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message += " The operations were started here:\n";
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message += ArrayPrototypeJoin(traces, "\n\n");
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}
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hasTraces |= traces.length > 0;
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ArrayPrototypePush(details, message);
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} else {
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throw new Error("unreachable");
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}
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}
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return {
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failed: { leakedOps: [details, hasTraces] },
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};
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};
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}
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// Wrap test function in additional assertion that makes sure
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// that the test case does not accidentally exit prematurely.
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function assertExit(fn, isTest) {
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return async function exitSanitizer(...params) {
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setExitHandler((exitCode) => {
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throw new Error(
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`${
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isTest ? "Test case" : "Bench"
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} attempted to exit with exit code: ${exitCode}`,
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);
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});
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try {
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const innerResult = await fn(...new SafeArrayIterator(params));
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if (innerResult) return innerResult;
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} finally {
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setExitHandler(null);
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}
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};
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}
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function wrapOuter(fn, desc) {
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return async function outerWrapped() {
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try {
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if (desc.ignore) {
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return "ignored";
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}
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return await fn(desc) ?? "ok";
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} catch (error) {
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return { failed: { jsError: core.destructureError(error) } };
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} finally {
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const state = MapPrototypeGet(testStates, desc.id);
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for (const childDesc of state.children) {
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stepReportResult(childDesc, { failed: "incomplete" }, 0);
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}
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state.completed = true;
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}
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};
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}
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function wrapInner(fn) {
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/** @param desc {TestDescription | TestStepDescription} */
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return async function innerWrapped(desc) {
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function getRunningStepDescs() {
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const results = [];
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let childDesc = desc;
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while (childDesc.parent != null) {
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const state = MapPrototypeGet(testStates, childDesc.parent.id);
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for (const siblingDesc of state.children) {
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if (siblingDesc.id == childDesc.id) {
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continue;
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}
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const siblingState = MapPrototypeGet(testStates, siblingDesc.id);
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if (!siblingState.completed) {
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ArrayPrototypePush(results, siblingDesc);
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}
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}
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childDesc = childDesc.parent;
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}
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return results;
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}
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const runningStepDescs = getRunningStepDescs();
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const runningStepDescsWithSanitizers = ArrayPrototypeFilter(
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runningStepDescs,
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(d) => usesSanitizer(d),
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);
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if (runningStepDescsWithSanitizers.length > 0) {
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return {
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failed: {
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overlapsWithSanitizers: runningStepDescsWithSanitizers.map(
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getFullName,
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),
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},
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};
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}
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if (usesSanitizer(desc) && runningStepDescs.length > 0) {
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return {
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failed: {
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hasSanitizersAndOverlaps: runningStepDescs.map(getFullName),
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},
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};
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}
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await fn(MapPrototypeGet(testStates, desc.id).context);
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let failedSteps = 0;
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for (const childDesc of MapPrototypeGet(testStates, desc.id).children) {
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const state = MapPrototypeGet(testStates, childDesc.id);
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if (!state.completed) {
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return { failed: "incompleteSteps" };
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}
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if (state.failed) {
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failedSteps++;
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}
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}
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return failedSteps == 0 ? null : { failed: { failedSteps } };
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};
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}
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const registerTestIdRetBuf = new Uint32Array(1);
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const registerTestIdRetBufU8 = new Uint8Array(registerTestIdRetBuf.buffer);
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function testInner(
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nameOrFnOrOptions,
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optionsOrFn,
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maybeFn,
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overrides = {},
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) {
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let testDesc;
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const defaults = {
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ignore: false,
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only: false,
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sanitizeOps: true,
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sanitizeResources: true,
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sanitizeExit: true,
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permissions: null,
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};
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if (typeof nameOrFnOrOptions === "string") {
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if (!nameOrFnOrOptions) {
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throw new TypeError("The test name can't be empty");
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}
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if (typeof optionsOrFn === "function") {
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testDesc = { fn: optionsOrFn, name: nameOrFnOrOptions, ...defaults };
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} else {
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if (!maybeFn || typeof maybeFn !== "function") {
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throw new TypeError("Missing test function");
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}
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if (optionsOrFn.fn != undefined) {
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throw new TypeError(
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"Unexpected 'fn' field in options, test function is already provided as the third argument.",
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);
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}
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if (optionsOrFn.name != undefined) {
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throw new TypeError(
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"Unexpected 'name' field in options, test name is already provided as the first argument.",
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);
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}
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testDesc = {
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...defaults,
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...optionsOrFn,
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fn: maybeFn,
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name: nameOrFnOrOptions,
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};
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}
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} else if (typeof nameOrFnOrOptions === "function") {
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if (!nameOrFnOrOptions.name) {
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throw new TypeError("The test function must have a name");
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}
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if (optionsOrFn != undefined) {
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throw new TypeError("Unexpected second argument to Deno.test()");
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}
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if (maybeFn != undefined) {
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throw new TypeError("Unexpected third argument to Deno.test()");
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}
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testDesc = {
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...defaults,
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fn: nameOrFnOrOptions,
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name: nameOrFnOrOptions.name,
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};
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} else {
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let fn;
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let name;
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if (typeof optionsOrFn === "function") {
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fn = optionsOrFn;
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if (nameOrFnOrOptions.fn != undefined) {
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throw new TypeError(
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"Unexpected 'fn' field in options, test function is already provided as the second argument.",
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);
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}
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name = nameOrFnOrOptions.name ?? fn.name;
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} else {
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if (
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!nameOrFnOrOptions.fn || typeof nameOrFnOrOptions.fn !== "function"
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) {
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throw new TypeError(
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"Expected 'fn' field in the first argument to be a test function.",
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);
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}
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fn = nameOrFnOrOptions.fn;
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name = nameOrFnOrOptions.name ?? fn.name;
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}
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if (!name) {
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throw new TypeError("The test name can't be empty");
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}
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testDesc = { ...defaults, ...nameOrFnOrOptions, fn, name };
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}
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testDesc = { ...testDesc, ...overrides };
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// Delete this prop in case the user passed it. It's used to detect steps.
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delete testDesc.parent;
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testDesc.location = core.currentUserCallSite();
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testDesc.fn = wrapTest(testDesc);
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testDesc.name = escapeName(testDesc.name);
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const origin = op_register_test(
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testDesc.fn,
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testDesc.name,
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testDesc.ignore,
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testDesc.only,
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false, /*testDesc.sanitizeOps*/
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testDesc.sanitizeResources,
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testDesc.location.fileName,
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testDesc.location.lineNumber,
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testDesc.location.columnNumber,
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registerTestIdRetBufU8,
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);
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testDesc.id = registerTestIdRetBuf[0];
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testDesc.origin = origin;
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MapPrototypeSet(testStates, testDesc.id, {
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context: createTestContext(testDesc),
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children: [],
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completed: false,
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});
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}
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// Main test function provided by Deno.
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function test(
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nameOrFnOrOptions,
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optionsOrFn,
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maybeFn,
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) {
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return testInner(nameOrFnOrOptions, optionsOrFn, maybeFn);
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}
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test.ignore = function (nameOrFnOrOptions, optionsOrFn, maybeFn) {
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return testInner(nameOrFnOrOptions, optionsOrFn, maybeFn, { ignore: true });
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};
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test.only = function (
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nameOrFnOrOptions,
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optionsOrFn,
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maybeFn,
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) {
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return testInner(nameOrFnOrOptions, optionsOrFn, maybeFn, { only: true });
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};
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function getFullName(desc) {
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if ("parent" in desc) {
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return `${getFullName(desc.parent)} ... ${desc.name}`;
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}
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return desc.name;
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}
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function usesSanitizer(desc) {
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return desc.sanitizeResources || desc.sanitizeOps || desc.sanitizeExit;
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}
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function stepReportResult(desc, result, elapsed) {
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const state = MapPrototypeGet(testStates, desc.id);
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for (const childDesc of state.children) {
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stepReportResult(childDesc, { failed: "incomplete" }, 0);
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}
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if (result === "ok") {
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op_test_event_step_result_ok(desc.id, elapsed);
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} else if (result === "ignored") {
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|
op_test_event_step_result_ignored(desc.id, elapsed);
|
|
} else {
|
|
op_test_event_step_result_failed(desc.id, result.failed, elapsed);
|
|
}
|
|
}
|
|
|
|
/** @param desc {TestDescription | TestStepDescription} */
|
|
function createTestContext(desc) {
|
|
let parent;
|
|
let level;
|
|
let rootId;
|
|
let rootName;
|
|
if ("parent" in desc) {
|
|
parent = MapPrototypeGet(testStates, desc.parent.id).context;
|
|
level = desc.level;
|
|
rootId = desc.rootId;
|
|
rootName = desc.rootName;
|
|
} else {
|
|
parent = undefined;
|
|
level = 0;
|
|
rootId = desc.id;
|
|
rootName = desc.name;
|
|
}
|
|
return {
|
|
[SymbolToStringTag]: "TestContext",
|
|
/**
|
|
* The current test name.
|
|
*/
|
|
name: desc.name,
|
|
/**
|
|
* Parent test context.
|
|
*/
|
|
parent,
|
|
/**
|
|
* File Uri of the test code.
|
|
*/
|
|
origin: desc.origin,
|
|
/**
|
|
* @param nameOrFnOrOptions {string | TestStepDefinition | ((t: TestContext) => void | Promise<void>)}
|
|
* @param maybeFn {((t: TestContext) => void | Promise<void>) | undefined}
|
|
*/
|
|
async step(nameOrFnOrOptions, maybeFn) {
|
|
if (MapPrototypeGet(testStates, desc.id).completed) {
|
|
throw new Error(
|
|
"Cannot run test step after parent scope has finished execution. " +
|
|
"Ensure any `.step(...)` calls are executed before their parent scope completes execution.",
|
|
);
|
|
}
|
|
|
|
let stepDesc;
|
|
if (typeof nameOrFnOrOptions === "string") {
|
|
if (typeof maybeFn !== "function") {
|
|
throw new TypeError("Expected function for second argument.");
|
|
}
|
|
stepDesc = {
|
|
name: nameOrFnOrOptions,
|
|
fn: maybeFn,
|
|
};
|
|
} else if (typeof nameOrFnOrOptions === "function") {
|
|
if (!nameOrFnOrOptions.name) {
|
|
throw new TypeError("The step function must have a name.");
|
|
}
|
|
if (maybeFn != undefined) {
|
|
throw new TypeError(
|
|
"Unexpected second argument to TestContext.step()",
|
|
);
|
|
}
|
|
stepDesc = {
|
|
name: nameOrFnOrOptions.name,
|
|
fn: nameOrFnOrOptions,
|
|
};
|
|
} else if (typeof nameOrFnOrOptions === "object") {
|
|
stepDesc = nameOrFnOrOptions;
|
|
} else {
|
|
throw new TypeError(
|
|
"Expected a test definition or name and function.",
|
|
);
|
|
}
|
|
stepDesc.ignore ??= false;
|
|
stepDesc.sanitizeOps ??= desc.sanitizeOps;
|
|
stepDesc.sanitizeResources ??= desc.sanitizeResources;
|
|
stepDesc.sanitizeExit ??= desc.sanitizeExit;
|
|
stepDesc.location = core.currentUserCallSite();
|
|
stepDesc.level = level + 1;
|
|
stepDesc.parent = desc;
|
|
stepDesc.rootId = rootId;
|
|
stepDesc.name = escapeName(stepDesc.name);
|
|
stepDesc.rootName = escapeName(rootName);
|
|
stepDesc.fn = wrapTest(stepDesc);
|
|
const id = op_register_test_step(
|
|
stepDesc.name,
|
|
stepDesc.location.fileName,
|
|
stepDesc.location.lineNumber,
|
|
stepDesc.location.columnNumber,
|
|
stepDesc.level,
|
|
stepDesc.parent.id,
|
|
stepDesc.rootId,
|
|
stepDesc.rootName,
|
|
);
|
|
stepDesc.id = id;
|
|
stepDesc.origin = desc.origin;
|
|
const state = {
|
|
context: createTestContext(stepDesc),
|
|
children: [],
|
|
failed: false,
|
|
completed: false,
|
|
};
|
|
MapPrototypeSet(testStates, stepDesc.id, state);
|
|
ArrayPrototypePush(
|
|
MapPrototypeGet(testStates, stepDesc.parent.id).children,
|
|
stepDesc,
|
|
);
|
|
|
|
op_test_event_step_wait(stepDesc.id);
|
|
const earlier = DateNow();
|
|
const result = await stepDesc.fn(stepDesc);
|
|
const elapsed = DateNow() - earlier;
|
|
state.failed = !!result.failed;
|
|
stepReportResult(stepDesc, result, elapsed);
|
|
return result == "ok";
|
|
},
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Wrap a user test function in one which returns a structured result.
|
|
* @template T {Function}
|
|
* @param testFn {T}
|
|
* @param desc {TestDescription | TestStepDescription}
|
|
* @returns {T}
|
|
*/
|
|
function wrapTest(desc) {
|
|
let testFn = wrapInner(desc.fn);
|
|
if (desc.sanitizeOps) {
|
|
testFn = assertOps(testFn);
|
|
}
|
|
if (desc.sanitizeExit) {
|
|
testFn = assertExit(testFn, true);
|
|
}
|
|
if (!("parent" in desc) && desc.permissions) {
|
|
testFn = withPermissions(testFn, desc.permissions);
|
|
}
|
|
return wrapOuter(testFn, desc);
|
|
}
|
|
|
|
globalThis.Deno.test = test;
|