mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			321 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			321 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| "use strict";
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| 
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| const childProcess = require("child_process");
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| const fs = require("fs");
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| const path = require("path");
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| const rimraf = require("rimraf");
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| 
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| const cacheDirectory = path.resolve(__dirname, "js/buildDepsCache");
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| const outputDirectory = path.resolve(__dirname, "js/buildDeps");
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| const inputDirectory = path.resolve(__dirname, "js/buildDepsInput");
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| 
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| const exec = (n, options = {}) =>
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| 	new Promise((resolve, reject) => {
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| 		const webpack = require("../");
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| 
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| 		const coverageEnabled = webpack.toString().includes("++");
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| 
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| 		const p = childProcess.execFile(
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| 			process.execPath,
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| 			[
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| 				...(coverageEnabled
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| 					? [
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| 							require.resolve("nyc/bin/nyc.js"),
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| 							"--silent",
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| 							"--no-clean",
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| 							"--cache-dir",
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| 							".jest-cache/nyc",
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| 							process.execPath
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| 						]
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| 					: []),
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| 				path.resolve(__dirname, "fixtures/buildDependencies/run.js"),
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| 				n,
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| 				JSON.stringify(options)
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| 			],
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| 			{
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| 				stdio: ["ignore", "pipe", "pipe"]
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| 			}
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| 		);
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| 		const chunks = [];
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| 		p.stderr.on("data", (chunk) => chunks.push(chunk));
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| 		p.stdout.on("data", (chunk) => chunks.push(chunk));
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| 		p.once("exit", (code) => {
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| 			const errors = [];
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| 			const warnings = [];
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| 			const rawStdout = chunks.join("");
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| 			const stdout = rawStdout.replace(
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| 				// This warning is expected
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| 				/<([ew])> \[.+\n(?:<([ew])> [^[].+\n)*/g,
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| 				(message, type) => {
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| 					(type === "e" ? errors : warnings).push(message);
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| 					return "";
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| 				}
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| 			);
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| 			if (errors.length > 0) {
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| 				return reject(
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| 					new Error(
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| 						`Unexpected errors in ${n} output:\n${errors.join(
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| 							"\n"
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| 						)}\n\n${rawStdout}`
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| 					)
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| 				);
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| 			}
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| 			for (const regexp of options.warnings || []) {
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| 				const idx = warnings.findIndex((w) => regexp.test(w));
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| 				if (idx < 0) {
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| 					return reject(
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| 						new Error(
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| 							`Warning ${regexp} was not found in ${n} output:\n${rawStdout}`
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| 						)
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| 					);
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| 				}
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| 				warnings.splice(idx, 1);
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| 			}
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| 			if (warnings.length > 0) {
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| 				return reject(
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| 					new Error(
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| 						`Unexpected warnings in ${n} output:\n${warnings.join(
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| 							"\n"
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| 						)}\n\n${rawStdout}`
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| 					)
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| 				);
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| 			}
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| 			if (code === 0) {
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| 				if (!options.ignoreErrors && /<[ew]>/.test(stdout)) {
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| 					return reject(new Error(stdout));
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| 				}
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| 				resolve(stdout);
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| 			} else {
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| 				reject(new Error(`Code ${code}: ${stdout}`));
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| 			}
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| 		});
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| 		p.once("error", (err) => {
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| 			const stdout = chunks.join("");
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| 			console.log(stdout);
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| 			reject(err);
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| 		});
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| 	});
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| 
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| const supportsEsm = Number(process.versions.modules) >= 83;
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| 
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| describe("BuildDependencies", () => {
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| 	beforeEach((done) => {
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| 		rimraf(cacheDirectory, () => {
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| 			rimraf(outputDirectory, () => {
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| 				rimraf(inputDirectory, () => {
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| 					fs.mkdir(inputDirectory, { recursive: true }, done);
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| 				});
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| 			});
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| 		});
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| 	});
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| 
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| 	it("should capture loader and config dependencies", async () => {
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "package.json"),
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| 			JSON.stringify({
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| 				name: "yep",
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| 				version: "1.0.0"
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| 			})
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| 		);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "loader-dependency.js"),
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| 			"module.exports = 0;"
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| 		);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "config-dependency.js"),
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| 			"module.exports = 0;"
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| 		);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "esm-dependency.js"),
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| 			"module.exports = 0;"
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| 		);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "esm-async-dependency.mjs"),
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| 			`import path from "node:path";
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| import vm from "vm";
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| 
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| async function preload() {
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|   await import(\`markdown-wasm/dist/markdown-node.js\`);
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|   await import("markdown-wasm/dist/markdown-node.js");
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|   await import('markdown-wasm/dist/markdown-node.js');
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|   await import('test-"/test');
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|   await import(\`test-"/test\`);
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| }
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| 
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| export default 0;`
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| 		);
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| 		await exec("0", {
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| 			invalidBuildDependencies: true,
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| 			buildTwice: true,
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| 			warnings: [/Can't resolve 'should-fail-resolving'/]
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| 		});
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "loader-dependency.js"),
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| 			"module.exports = 1;"
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| 		);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "config-dependency.js"),
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| 			"module.exports = 1;"
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| 		);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "esm-dependency.js"),
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| 			"module.exports = 1;"
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| 		);
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| 		await exec("1", {
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| 			warnings: supportsEsm && [
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| 				/Managed item .+dep-without-package\.json isn't a directory or doesn't contain a package\.json/
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| 			]
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| 		});
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "loader-dependency.js"),
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| 			"module.exports = Date.now();"
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| 		);
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| 		const now1 = Date.now();
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| 		const output2 = await exec("2", {
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| 			warnings: supportsEsm && [
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| 				/Managed item .+dep-without-package\.json isn't a directory or doesn't contain a package\.json/
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| 			]
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| 		});
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| 		expect(output2).toMatch(/but build dependencies have changed/);
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| 		expect(output2).toMatch(/Captured build dependencies/);
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| 		expect(output2).not.toMatch(/Assuming/);
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| 		expect(output2).not.toMatch(/<w>/);
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| 		const output3 = await exec("3");
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| 		expect(output3).not.toMatch(/resolving of build dependencies is invalid/);
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| 		expect(output3).not.toMatch(/but build dependencies have changed/);
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| 		expect(output3).not.toMatch(/Captured build dependencies/);
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| 		expect(output3).not.toMatch(/Assuming/);
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| 		expect(output3).not.toMatch(/<w>/);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "package.json"),
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| 			JSON.stringify({
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| 				name: "other",
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| 				version: "2.0.0"
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| 			})
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| 		);
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| 		const output4 = await exec("4", {
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| 			warnings: supportsEsm && [
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| 				/Managed item .+dep-without-package\.json isn't a directory or doesn't contain a package\.json/
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| 			]
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| 		});
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| 		expect(output4).toMatch(/resolving of build dependencies is invalid/);
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| 		expect(output4).not.toMatch(/but build dependencies have changed/);
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| 		expect(output4).toMatch(/Captured build dependencies/);
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| 		fs.writeFileSync(
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| 			path.resolve(inputDirectory, "config-dependency"),
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| 			"module.exports = Date.now();"
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| 		);
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| 		const now2 = Date.now();
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| 		await exec("5", {
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| 			warnings: supportsEsm && [
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| 				/Managed item .+dep-without-package\.json isn't a directory or doesn't contain a package\.json/
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| 			]
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| 		});
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| 		const now3 = Date.now();
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| 		await exec("6");
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| 		await exec("7", {
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| 			definedValue: "other"
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| 		});
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| 		let now4;
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| 		let now5;
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| 		if (supportsEsm) {
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| 			fs.writeFileSync(
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| 				path.resolve(inputDirectory, "esm-dependency.js"),
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| 				"module.exports = Date.now();"
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| 			);
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| 			now4 = Date.now();
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| 			await exec("8", {
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| 				definedValue: "other",
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| 				warnings: [
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| 					/Managed item .+dep-without-package\.json isn't a directory or doesn't contain a package\.json/
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| 				]
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| 			});
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| 			fs.writeFileSync(
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| 				path.resolve(inputDirectory, "esm-async-dependency.mjs"),
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| 				"export default Date.now();"
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| 			);
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| 			now5 = Date.now();
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| 
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| 			await exec("9", {
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| 				definedValue: "other",
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| 				warnings: [
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| 					/Managed item .+dep-without-package\.json isn't a directory or doesn't contain a package\.json/
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| 				]
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| 			});
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| 		}
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| 		const results = Array.from({ length: supportsEsm ? 10 : 8 }).map((_, i) =>
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| 			require(`./js/buildDeps/${i}/main.js`)
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| 		);
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| 		for (const r of results) {
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| 			expect(typeof r.loader).toBe("number");
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| 			expect(typeof r.config).toBe("number");
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| 			expect(typeof r.uncached).toBe("number");
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| 			expect(typeof r.definedValue).toBe("string");
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| 		}
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| 		let result = results.shift();
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| 		expect(result.loader).toBe(0);
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| 		expect(result.config).toBe(0);
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| 		if (supportsEsm) expect(result.esmConfig).toBe(0);
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| 		expect(result.uncached).toBe(0);
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| 		// 0 -> 1 should not cache at all because of invalid buildDeps
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| 		result = results.shift();
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| 		expect(result.loader).toBe(1);
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| 		expect(result.config).toBe(1);
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| 		expect(result.esmConfig).toBe(1);
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| 		expect(result.uncached).toBe(1);
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| 		// 1 -> 2 should be invalidated
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| 		result = results.shift();
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| 		expect(result.loader).toBeGreaterThan(now1);
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| 		expect(result.config).toBe(1);
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| 		expect(result.esmConfig).toBe(1);
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| 		expect(result.uncached).toBe(1);
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| 		// 2 -> 3 should stay cached
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| 		let prevResult = result;
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| 		result = results.shift();
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| 		expect(result.loader).toBe(prevResult.loader);
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| 		expect(result.config).toBe(1);
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| 		expect(result.esmConfig).toBe(1);
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| 		expect(result.uncached).toBe(1);
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| 		// 3 -> 4 should stay cached
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| 		prevResult = result;
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| 		result = results.shift();
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| 		expect(result.loader).toBe(prevResult.loader);
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| 		expect(result.config).toBe(1);
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| 		expect(result.esmConfig).toBe(1);
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| 		expect(result.uncached).toBe(1);
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| 		// 4 -> 5 should be invalidated
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| 		result = results.shift();
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| 		expect(result.loader).toBeGreaterThan(now2);
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| 		expect(result.config).toBeGreaterThan(now2);
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| 		expect(result.esmConfig).toBe(1);
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| 		expect(result.uncached).toBe(result.config);
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| 		// 5 -> 6 should stay cached, but uncacheable module still rebuilds
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| 		prevResult = result;
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| 		result = results.shift();
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| 		expect(result.loader).toBe(prevResult.loader);
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| 		expect(result.config).toBe(prevResult.config);
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| 		expect(result.uncached).toBeGreaterThan(now3);
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| 		// 6 -> 7 should stay cached, except the updated defined value
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| 		prevResult = result;
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| 		result = results.shift();
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| 		expect(result.loader).toBe(prevResult.loader);
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| 		expect(result.config).toBe(prevResult.config);
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| 		expect(result.definedValue).toBe("other");
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| 		if (supportsEsm) {
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| 			// 7 -> 8 should be invalidated
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| 			result = results.shift();
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| 			expect(result.loader).toBeGreaterThan(now4);
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| 			expect(result.config).toBeGreaterThan(now4);
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| 			expect(result.esmConfig).toBeGreaterThan(now4);
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| 			expect(result.uncached).toBeGreaterThan(now4);
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| 			// 8 -> 9 should be invalidated
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| 			result = results.shift();
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| 			expect(result.loader).toBeGreaterThan(now5);
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| 			expect(result.config).toBeGreaterThan(now5);
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| 			expect(result.esmConfig).toBeGreaterThan(now5);
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| 			expect(result.esmAsyncConfig).toBeGreaterThan(now5);
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| 			expect(result.uncached).toBeGreaterThan(now5);
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| 		}
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| 	}, 500000);
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| });
 |