442 lines
13 KiB
JavaScript
442 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 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 { remove } = require("./helpers/remove");
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const prepareOptions = require("./helpers/prepareOptions");
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const deprecationTracking = require("./helpers/deprecationTracking");
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const FakeDocument = require("./helpers/FakeDocument");
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function copyDiff(src, dest, initial) {
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if (!fs.existsSync(dest)) fs.mkdirSync(dest);
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const files = fs.readdirSync(src);
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files.forEach(filename => {
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const srcFile = path.join(src, filename);
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const destFile = path.join(dest, filename);
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const directory = fs.statSync(srcFile).isDirectory();
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if (directory) {
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copyDiff(srcFile, destFile, initial);
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} else {
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var content = fs.readFileSync(srcFile);
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if (/^DELETE\s*$/.test(content.toString("utf-8"))) {
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fs.unlinkSync(destFile);
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} else if (/^DELETE_DIRECTORY\s*$/.test(content.toString("utf-8"))) {
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rimraf.sync(destFile);
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} else {
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fs.writeFileSync(destFile, content);
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if (initial) {
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const longTimeAgo = Date.now() - 1000 * 60 * 60 * 24;
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fs.utimesSync(
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destFile,
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Date.now() - longTimeAgo,
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Date.now() - longTimeAgo
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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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const describeCases = config => {
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describe(config.name, () => {
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if (process.env.NO_WATCH_TESTS) {
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it.skip("long running tests excluded", () => {});
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return;
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}
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const casesPath = path.join(__dirname, "watchCases");
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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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.filter(testName => {
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const testDirectory = path.join(casesPath, cat, testName);
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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(testName, () => it("filtered", () => {}));
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return false;
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}
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return true;
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})
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.sort()
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};
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});
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beforeAll(() => {
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let dest = path.join(__dirname, "js");
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if (!fs.existsSync(dest)) fs.mkdirSync(dest);
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dest = path.join(__dirname, "js", config.name + "-src");
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if (!fs.existsSync(dest)) fs.mkdirSync(dest);
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});
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categories.forEach(category => {
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beforeAll(() => {
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const dest = path.join(
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__dirname,
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"js",
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config.name + "-src",
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category.name
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);
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if (!fs.existsSync(dest)) fs.mkdirSync(dest);
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});
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describe(category.name, () => {
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category.tests.forEach(testName => {
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describe(testName, () => {
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const tempDirectory = path.join(
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__dirname,
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"js",
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config.name + "-src",
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category.name,
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testName
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);
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const testDirectory = path.join(casesPath, category.name, testName);
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const runs = fs
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.readdirSync(testDirectory)
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.sort()
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.filter(name => {
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return fs
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.statSync(path.join(testDirectory, name))
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.isDirectory();
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})
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.map(name => ({ name }));
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beforeAll(done => {
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rimraf(tempDirectory, done);
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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 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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rimraf.sync(outputDirectory);
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let options = {};
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const configPath = path.join(
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testDirectory,
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"webpack.config.js"
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);
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if (fs.existsSync(configPath)) {
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options = prepareOptions(require(configPath), {
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testPath: outputDirectory,
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srcPath: tempDirectory
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});
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}
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const applyConfig = (options, idx) => {
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if (!options.mode) options.mode = "development";
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if (!options.context) options.context = tempDirectory;
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if (!options.entry) options.entry = "./index.js";
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if (!options.target) options.target = "async-node";
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if (!options.output) options.output = {};
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if (!options.output.path)
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options.output.path = outputDirectory;
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if (typeof options.output.pathinfo === "undefined")
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options.output.pathinfo = true;
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if (!options.output.filename)
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options.output.filename = "bundle.js";
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if (options.cache && options.cache.type === "filesystem") {
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const cacheDirectory = path.join(tempDirectory, ".cache");
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options.cache.cacheDirectory = cacheDirectory;
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options.cache.name = `config-${idx}`;
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}
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if (config.experiments) {
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if (!options.experiments) options.experiments = {};
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for (const key of Object.keys(config.experiments)) {
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if (options.experiments[key] === undefined)
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options.experiments[key] = config.experiments[key];
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}
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}
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if (config.optimization) {
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if (!options.optimization) options.optimization = {};
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for (const key of Object.keys(config.optimization)) {
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if (options.optimization[key] === undefined)
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options.optimization[key] = config.optimization[key];
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}
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}
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};
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if (Array.isArray(options)) {
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options.forEach(applyConfig);
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} else {
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applyConfig(options, 0);
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}
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const state = {};
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let runIdx = 0;
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let waitMode = false;
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let run = runs[runIdx];
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let triggeringFilename;
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let lastHash = "";
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const currentWatchStepModule = require("./helpers/currentWatchStep");
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let compilationFinished = done;
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currentWatchStepModule.step = run.name;
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copyDiff(
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path.join(testDirectory, run.name),
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tempDirectory,
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true
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);
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setTimeout(() => {
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const deprecationTracker = deprecationTracking.start();
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const webpack = require("..");
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const compiler = webpack(options);
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compiler.hooks.invalid.tap(
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"WatchTestCasesTest",
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(filename, mtime) => {
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triggeringFilename = filename;
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}
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);
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compiler.watch(
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{
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aggregateTimeout: 1000
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},
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(err, stats) => {
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if (err) return compilationFinished(err);
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if (!stats) {
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return compilationFinished(
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new Error("No stats reported from Compiler")
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);
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}
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if (stats.hash === lastHash) return;
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lastHash = stats.hash;
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if (run.done && lastHash !== stats.hash) {
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return compilationFinished(
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new Error(
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"Compilation changed but no change was issued " +
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lastHash +
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" != " +
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stats.hash +
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" (run " +
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runIdx +
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")\n" +
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"Triggering change: " +
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triggeringFilename
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)
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);
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}
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if (waitMode) return;
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run.done = true;
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run.stats = stats;
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if (err) return compilationFinished(err);
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const statOptions = {
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preset: "verbose",
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cached: true,
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cachedAssets: true,
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cachedModules: true,
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colors: false
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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(
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outputDirectory,
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`stats.${runs[runIdx] && runs[runIdx].name}.txt`
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),
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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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});
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if (
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checkArrayExpectation(
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path.join(testDirectory, run.name),
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jsonStats,
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"error",
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"Error",
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compilationFinished
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)
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)
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return;
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if (
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checkArrayExpectation(
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path.join(testDirectory, run.name),
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jsonStats,
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"warning",
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"Warning",
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compilationFinished
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)
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)
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return;
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const globalContext = {
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console: console,
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expect: expect,
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setTimeout,
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clearTimeout,
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document: new FakeDocument()
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};
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function _require(currentDirectory, module) {
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if (Array.isArray(module) || /^\.\.?\//.test(module)) {
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let fn;
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let content;
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let p;
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if (Array.isArray(module)) {
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p = path.join(currentDirectory, module[0]);
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content = module
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.map(arg => {
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p = path.join(currentDirectory, arg);
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return fs.readFileSync(p, "utf-8");
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})
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.join("\n");
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} else {
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p = path.join(currentDirectory, module);
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content = fs.readFileSync(p, "utf-8");
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}
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if (
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options.target === "web" ||
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options.target === "webworker"
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) {
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fn = vm.runInNewContext(
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"(function(require, module, exports, __dirname, __filename, it, WATCH_STEP, STATS_JSON, STATE, expect, window, self) {" +
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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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globalContext,
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p
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);
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} else {
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fn = vm.runInThisContext(
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"(function(require, module, exports, __dirname, __filename, it, WATCH_STEP, STATS_JSON, STATE, 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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}
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const m = {
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exports: {}
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};
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fn.call(
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m.exports,
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_require.bind(null, path.dirname(p)),
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m,
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m.exports,
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path.dirname(p),
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p,
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run.it,
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run.name,
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jsonStats,
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state,
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expect,
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globalContext,
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globalContext
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);
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return module.exports;
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} else if (
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testConfig.modules &&
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module in testConfig.modules
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) {
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return testConfig.modules[module];
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} else return jest.requireActual(module);
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}
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let testConfig = {};
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try {
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// try to load a test file
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testConfig = require(path.join(
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testDirectory,
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"test.config.js"
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));
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} catch (e) {
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// empty
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}
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if (testConfig.noTests)
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return process.nextTick(compilationFinished);
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_require(
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outputDirectory,
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testConfig.bundlePath || "./bundle.js"
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);
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if (run.getNumberOfTests() < 1)
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return compilationFinished(
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new Error("No tests exported by test case")
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);
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run.it(
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"should compile the next step",
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done => {
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runIdx++;
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if (runIdx < runs.length) {
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run = runs[runIdx];
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waitMode = true;
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setTimeout(() => {
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waitMode = false;
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compilationFinished = done;
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currentWatchStepModule.step = run.name;
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copyDiff(
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path.join(testDirectory, run.name),
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tempDirectory,
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false
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);
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}, 1500);
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} else {
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const deprecations = deprecationTracker();
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if (
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checkArrayExpectation(
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testDirectory,
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{ deprecations },
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"deprecation",
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"Deprecation",
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done
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)
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) {
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compiler.close(() => {});
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return;
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}
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compiler.close(done);
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}
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},
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45000
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);
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compilationFinished();
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}
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);
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}, 300);
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},
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45000
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);
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for (const run of runs) {
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const { it: _it, getNumberOfTests } = createLazyTestEnv(
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10000,
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run.name
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);
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run.it = _it;
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run.getNumberOfTests = getNumberOfTests;
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it(`${run.name} should allow to read stats`, done => {
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if (run.stats) {
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run.stats.toString({ all: true });
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run.stats = undefined;
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}
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done();
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});
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}
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afterAll(() => {
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remove(tempDirectory);
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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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