446 lines
13 KiB
JavaScript
446 lines
13 KiB
JavaScript
"use strict";
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require("./helpers/warmup-webpack");
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const path = require("path");
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const fs = require("graceful-fs");
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const vm = require("vm");
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const { pathToFileURL, URL } = require("url");
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const rimraf = require("rimraf");
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const checkArrayExpectation = require("./checkArrayExpectation");
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const createLazyTestEnv = require("./helpers/createLazyTestEnv");
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const deprecationTracking = require("./helpers/deprecationTracking");
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const captureStdio = require("./helpers/captureStdio");
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const asModule = require("./helpers/asModule");
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const casesPath = path.join(__dirname, "cases");
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let categories = fs.readdirSync(casesPath);
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categories = categories.map(cat => {
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return {
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name: cat,
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tests: fs
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.readdirSync(path.join(casesPath, cat))
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.filter(folder => folder.indexOf("_") < 0)
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};
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});
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const describeCases = config => {
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describe(config.name, () => {
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let stderr;
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beforeEach(() => {
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stderr = captureStdio(process.stderr, true);
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});
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afterEach(() => {
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stderr.restore();
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});
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categories.forEach(category => {
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describe(category.name, function () {
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jest.setTimeout(20000);
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category.tests
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.filter(test => {
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const testDirectory = path.join(casesPath, category.name, test);
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const filterPath = path.join(testDirectory, "test.filter.js");
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if (fs.existsSync(filterPath) && !require(filterPath)(config)) {
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describe.skip(test, () => {
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it("filtered", () => {});
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});
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return false;
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}
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return true;
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})
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.forEach(testName => {
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describe(testName, () => {
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const testDirectory = path.join(
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casesPath,
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category.name,
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testName
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);
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const outputDirectory = path.join(
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__dirname,
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"js",
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config.name,
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category.name,
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testName
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);
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const cacheDirectory = path.join(
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__dirname,
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"js/.cache",
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config.name,
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category.name,
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testName
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);
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let testConfig = {};
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const testConfigPath = path.join(testDirectory, "test.config.js");
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if (fs.existsSync(testConfigPath)) {
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testConfig = require(testConfigPath);
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}
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const TerserPlugin = require("terser-webpack-plugin");
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const terserForTesting = new TerserPlugin({
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parallel: false
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});
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let options = {
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context: casesPath,
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entry: "./" + category.name + "/" + testName + "/",
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target: config.target || "async-node",
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devtool: config.devtool,
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mode: config.mode || "none",
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optimization: config.mode
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? {
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emitOnErrors: true,
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minimizer: [terserForTesting],
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...config.optimization
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}
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: {
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removeAvailableModules: true,
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removeEmptyChunks: true,
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mergeDuplicateChunks: true,
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flagIncludedChunks: true,
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sideEffects: true,
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providedExports: true,
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usedExports: true,
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mangleExports: true,
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emitOnErrors: true,
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concatenateModules: false,
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moduleIds: "size",
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chunkIds: "size",
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minimizer: [terserForTesting],
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...config.optimization
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},
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performance: {
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hints: false
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},
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node: {
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__dirname: "mock",
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__filename: "mock"
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},
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cache: config.cache && {
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cacheDirectory,
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...config.cache
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},
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output: {
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pathinfo: "verbose",
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path: outputDirectory,
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filename: config.module ? "bundle.mjs" : "bundle.js"
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},
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resolve: {
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modules: ["web_modules", "node_modules"],
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mainFields: [
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"webpack",
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"browser",
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"web",
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"browserify",
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["jam", "main"],
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"main"
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],
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aliasFields: ["browser"],
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extensions: [".webpack.js", ".web.js", ".js", ".json"]
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},
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resolveLoader: {
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modules: [
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"web_loaders",
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"web_modules",
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"node_loaders",
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"node_modules"
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],
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mainFields: ["webpackLoader", "webLoader", "loader", "main"],
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extensions: [
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".webpack-loader.js",
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".web-loader.js",
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".loader.js",
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".js"
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]
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},
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module: {
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rules: [
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{
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test: /\.coffee$/,
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loader: "coffee-loader"
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},
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{
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test: /\.pug/,
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loader: "pug-loader"
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},
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{
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test: /\.wat$/i,
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loader: "wast-loader",
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type: "webassembly/async"
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}
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]
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},
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plugins: (config.plugins || []).concat(function () {
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this.hooks.compilation.tap("TestCasesTest", compilation => {
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[
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"optimize",
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"optimizeModules",
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"optimizeChunks",
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"afterOptimizeTree",
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"afterOptimizeAssets"
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].forEach(hook => {
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compilation.hooks[hook].tap("TestCasesTest", () =>
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compilation.checkConstraints()
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);
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});
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});
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}),
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experiments: {
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asyncWebAssembly: true,
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topLevelAwait: true,
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backCompat: false,
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...(config.module ? { outputModule: true } : {})
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}
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};
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const cleanups = [];
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afterAll(() => {
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options = undefined;
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testConfig = undefined;
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for (const fn of cleanups) fn();
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});
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beforeAll(done => {
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rimraf(cacheDirectory, done);
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});
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if (config.cache) {
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it(
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`${testName} should pre-compile to fill disk cache (1st)`,
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done => {
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const oldPath = options.output.path;
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options.output.path = path.join(
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options.output.path,
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"cache1"
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);
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const deprecationTracker = deprecationTracking.start();
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const webpack = require("..");
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webpack(options, err => {
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deprecationTracker();
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options.output.path = oldPath;
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if (err) return done(err);
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done();
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});
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},
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testConfig.timeout || 60000
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);
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it(
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`${testName} should pre-compile to fill disk cache (2nd)`,
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done => {
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const oldPath = options.output.path;
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options.output.path = path.join(
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options.output.path,
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"cache2"
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);
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const deprecationTracker = deprecationTracking.start();
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const webpack = require("..");
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webpack(options, err => {
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deprecationTracker();
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options.output.path = oldPath;
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if (err) return done(err);
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done();
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});
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},
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testConfig.cachedTimeout || testConfig.timeout || 10000
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);
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}
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it(
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testName + " should compile",
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done => {
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const webpack = require("..");
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const compiler = webpack(options);
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const run = () => {
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const deprecationTracker = deprecationTracking.start();
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compiler.run((err, stats) => {
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const deprecations = deprecationTracker();
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if (err) return done(err);
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compiler.close(err => {
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if (err) return done(err);
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const statOptions = {
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preset: "verbose",
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colors: false,
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modules: true,
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reasonsSpace: 1000
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};
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fs.mkdirSync(outputDirectory, { recursive: true });
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fs.writeFileSync(
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path.join(outputDirectory, "stats.txt"),
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stats.toString(statOptions),
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"utf-8"
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);
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const jsonStats = stats.toJson({
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errorDetails: true,
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modules: false,
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assets: false,
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chunks: false
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});
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if (
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checkArrayExpectation(
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testDirectory,
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jsonStats,
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"error",
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"Error",
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done
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)
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) {
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return;
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}
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if (
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checkArrayExpectation(
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testDirectory,
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jsonStats,
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"warning",
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"Warning",
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done
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)
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) {
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return;
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}
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const infrastructureLogging = stderr.toString();
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if (infrastructureLogging) {
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done(
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new Error(
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"Errors/Warnings during build:\n" +
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infrastructureLogging
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)
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);
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}
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expect(deprecations).toEqual(config.deprecations || []);
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Promise.resolve().then(done);
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});
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});
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};
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if (config.cache) {
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// pre-compile to fill memory cache
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const deprecationTracker = deprecationTracking.start();
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compiler.run(err => {
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deprecationTracker();
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if (err) return done(err);
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run();
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});
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} else {
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run();
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}
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},
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testConfig.cachedTimeout ||
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testConfig.timeout ||
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(config.cache ? 20000 : 60000)
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);
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it(
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testName + " should load the compiled tests",
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done => {
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const esmContext = vm.createContext({
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it: _it,
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expect,
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process,
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global,
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URL,
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Buffer,
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setTimeout,
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setImmediate,
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nsObj: function (m) {
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Object.defineProperty(m, Symbol.toStringTag, {
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value: "Module"
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});
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return m;
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}
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});
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cleanups.push(() => (esmContext.it = undefined));
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function _require(module, esmMode) {
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if (module.substr(0, 2) === "./") {
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const p = path.join(outputDirectory, module);
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const content = fs.readFileSync(p, "utf-8");
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if (p.endsWith(".mjs")) {
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let esm;
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try {
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esm = new vm.SourceTextModule(content, {
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identifier: p,
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context: esmContext,
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initializeImportMeta: (meta, module) => {
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meta.url = pathToFileURL(p).href;
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},
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importModuleDynamically: async (
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specifier,
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module
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) => {
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const result = await _require(
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specifier,
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"evaluated"
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);
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return await asModule(result, module.context);
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}
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});
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cleanups.push(() => (esmContext.it = undefined));
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} catch (e) {
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console.log(e);
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e.message += `\nwhile parsing ${p}`;
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throw e;
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}
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if (esmMode === "unlinked") return esm;
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return (async () => {
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await esm.link(async (specifier, module) => {
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return await asModule(
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await _require(specifier, "unlinked"),
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module.context,
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true
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);
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});
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// node.js 10 needs instantiate
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if (esm.instantiate) esm.instantiate();
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await esm.evaluate();
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if (esmMode === "evaluated") return esm;
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const ns = esm.namespace;
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return ns.default && ns.default instanceof Promise
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? ns.default
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: ns;
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})();
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} else {
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const fn = vm.runInThisContext(
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"(function(require, module, exports, __dirname, __filename, it, expect) {" +
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"global.expect = expect;" +
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'function nsObj(m) { Object.defineProperty(m, Symbol.toStringTag, { value: "Module" }); return m; }' +
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content +
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"\n})",
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p
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);
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const m = {
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exports: {},
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webpackTestSuiteModule: true
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};
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fn.call(
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m.exports,
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_require,
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m,
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m.exports,
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outputDirectory,
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p,
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_it,
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expect
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);
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return m.exports;
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}
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} else return require(module);
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}
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_require.webpackTestSuiteRequire = true;
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Promise.resolve()
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.then(() => _require("./" + options.output.filename))
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.then(() => {
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if (getNumberOfTests() === 0)
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return done(
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new Error("No tests exported by test case")
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);
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done();
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}, done);
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},
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10000
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);
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const { it: _it, getNumberOfTests } = createLazyTestEnv(
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testConfig.timeout || 10000
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);
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});
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});
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});
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});
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});
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};
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exports.describeCases = describeCases;
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