117 lines
3.4 KiB
JavaScript
117 lines
3.4 KiB
JavaScript
import fs from "fs";
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import path from "path";
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import zlib from 'zlib';
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// Find the package root (based on the nyc output/ folder)
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const root = (function () {
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let root = process.cwd();
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while (true) {
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if (fs.existsSync(path.join(root, "output"))) {
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return root;
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}
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const parent = path.join(root, "..");
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if (parent === root) {
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break;
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}
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root = parent;
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}
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throw new Error("could not find root");
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})();
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// Load the tests
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export function loadTests(tag) {
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const filename = path.resolve(root, "testcases", tag + ".json.gz");
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return JSON.parse(zlib.gunzipSync(fs.readFileSync(filename)).toString());
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}
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export function log(context, text) {
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if (context && context.test && typeof (context.test._ethersLog) === "function") {
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context.test._ethersLog(text);
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}
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else {
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console.log(text);
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}
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}
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async function stall(duration) {
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return new Promise((resolve) => { setTimeout(resolve, duration); });
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}
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const ATTEMPTS = 5;
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export async function retryIt(name, func) {
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it(name, async function () {
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this.timeout(ATTEMPTS * 5000);
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for (let i = 0; i < ATTEMPTS; i++) {
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try {
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await func.call(this);
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return;
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}
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catch (error) {
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if (error.message === "sync skip; aborting execution") {
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// Skipping a test; let mocha handle it
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throw error;
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}
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else if (error.code === "ERR_ASSERTION") {
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// Assertion error; let mocha scold us
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throw error;
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}
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else {
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if (i === ATTEMPTS - 1) {
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stats.pushRetry(i, name, error);
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}
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else {
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await stall(500 * (1 << i));
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stats.pushRetry(i, name, null);
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}
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}
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}
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}
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// All hope is lost.
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throw new Error(`Failed after ${ATTEMPTS} attempts; ${name}`);
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});
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}
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const _guard = {};
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export class Stats {
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#stats;
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constructor(guard) {
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if (guard !== _guard) {
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throw new Error("private constructor");
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}
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this.#stats = [];
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}
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#currentStats() {
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if (this.#stats.length === 0) {
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throw new Error("no active stats");
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}
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return this.#stats[this.#stats.length - 1];
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}
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pushRetry(attempt, line, error) {
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const { retries } = this.#currentStats();
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if (attempt > 0) {
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retries.pop();
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}
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if (retries.length < 100) {
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retries.push({
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message: `${attempt + 1} failures: ${line}`,
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error
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});
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}
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}
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start(name) {
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this.#stats.push({ name, retries: [] });
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}
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end(context) {
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let log = console.log.bind(console);
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if (context && typeof (context._ethersLog) === "function") {
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log = context._ethersLog;
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}
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const { name, retries } = this.#currentStats();
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if (retries.length === 0) {
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return;
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}
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log(`Warning: The following tests required retries (${name})`);
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retries.forEach(({ error, message }) => {
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log(" " + message);
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if (error) {
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log(error);
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}
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});
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}
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}
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export const stats = new Stats(_guard);
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//# sourceMappingURL=utils.js.map
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