/
BuildDependencies.test.js
167 lines (161 loc) · 5.22 KB
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BuildDependencies.test.js
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"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 p = child_process.fork(
path.resolve(__dirname, "fixtures/buildDependencies/run.js"),
[n, JSON.stringify(options)],
{ stdio: ["ignore", "pipe", "pipe", "ipc"] }
);
const chunks = [];
p.stderr.on("data", chunk => chunks.push(chunk));
p.stdout.on("data", chunk => chunks.push(chunk));
p.once("exit", code => {
const stdout = Buffer.concat(chunks).toString("utf-8");
if (code === 0) {
if (!options.ignoreErrors && /<[ew]>/.test(stdout))
return reject(stdout);
resolve(stdout);
} else {
reject(new Error(`Code ${code}: ${stdout}`));
}
});
p.once("error", err => 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, "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", {
invalidBuildDepdencies: true,
buildTwice: true,
ignoreErrors: true
});
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");
fs.writeFileSync(
path.resolve(inputDirectory, "loader-dependency.js"),
"module.exports = Date.now();"
);
const now1 = Date.now();
expect(await exec("2")).toMatch(/Captured build dependencies/);
expect(await exec("3")).not.toMatch(/Captured build dependencies/);
fs.writeFileSync(
path.resolve(inputDirectory, "config-dependency"),
"module.exports = Date.now();"
);
const now2 = Date.now();
await exec("4");
const now3 = Date.now();
await exec("5");
let now4, now5;
if (supportsEsm) {
fs.writeFileSync(
path.resolve(inputDirectory, "esm-dependency.js"),
"module.exports = Date.now();"
);
now4 = Date.now();
await exec("6");
fs.writeFileSync(
path.resolve(inputDirectory, "esm-async-dependency.mjs"),
"export default Date.now();"
);
now5 = Date.now();
await exec("7");
}
const results = Array.from({ length: supportsEsm ? 8 : 6 }).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(results[0].loader).toBe(0);
expect(results[0].config).toBe(0);
if (supportsEsm) expect(results[0].esmConfig).toBe(0);
expect(results[0].uncached).toBe(0);
// 0 -> 1 should not cache at all because of invalid buildDeps
expect(results[1].loader).toBe(1);
expect(results[1].config).toBe(1);
expect(results[1].esmConfig).toBe(1);
expect(results[1].uncached).toBe(1);
// 1 -> 2 should be invalidated
expect(results[2].loader).toBeGreaterThan(now1);
expect(results[2].config).toBe(1);
expect(results[2].esmConfig).toBe(1);
expect(results[2].uncached).toBe(1);
// 2 -> 3 should stay cached
expect(results[3].loader).toBe(results[2].loader);
expect(results[3].config).toBe(1);
expect(results[3].esmConfig).toBe(1);
expect(results[3].uncached).toBe(1);
// 3 -> 4 should be invalidated
expect(results[4].loader).toBeGreaterThan(now2);
expect(results[4].config).toBeGreaterThan(now2);
expect(results[4].esmConfig).toBe(1);
expect(results[4].uncached).toBe(results[4].config);
// 4 -> 5 should stay cached, but uncacheable module still rebuilds
expect(results[5].loader).toBe(results[4].loader);
expect(results[5].config).toBe(results[4].config);
expect(results[5].uncached).toBeGreaterThan(now3);
if (supportsEsm) {
// 5 -> 6 should be invalidated
expect(results[6].loader).toBeGreaterThan(now4);
expect(results[6].config).toBeGreaterThan(now4);
expect(results[6].esmConfig).toBeGreaterThan(now4);
expect(results[6].uncached).toBeGreaterThan(now4);
// 6 -> 7 should be invalidated
expect(results[7].loader).toBeGreaterThan(now5);
expect(results[7].config).toBeGreaterThan(now5);
expect(results[7].esmConfig).toBeGreaterThan(now5);
expect(results[7].esmAsyncConfig).toBeGreaterThan(now5);
expect(results[7].uncached).toBeGreaterThan(now5);
}
}, 100000);
});