webpack/test/BuildDependencies.longtest.js

311 lines
9.1 KiB
JavaScript

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