62 lines
2.0 KiB
TypeScript
62 lines
2.0 KiB
TypeScript
import { execFile } from "node:child_process";
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import { readdir } from "node:fs/promises";
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import { join, relative, resolve } from "node:path";
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import { promisify } from "node:util";
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import { describe, expect, it } from "vitest";
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const execute = promisify(execFile);
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describe("Vitest project configuration", () => {
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it("classifies every deterministic test in exactly one project", async () => {
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const { stdout } = await execute(
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process.execPath,
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[
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resolve("node_modules/vitest/vitest.mjs"),
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"list",
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"--filesOnly",
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"--staticParse",
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],
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{ cwd: process.cwd(), maxBuffer: 4 * 1_024 * 1_024 },
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);
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const classified = parseProjects(stdout);
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const repositoryTests = [
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...(await testFiles("src")),
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...(await testFiles("tests")),
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].sort();
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expect(
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[...classified.values()]
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.filter((owners) => owners.length > 1)
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.map((owners) => owners.join(", ")),
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).toEqual([]);
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expect([...classified.keys()].sort()).toEqual(repositoryTests);
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}, 20_000);
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});
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const parseProjects = (output: string): Map<string, string[]> => {
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const classified = new Map<string, string[]>();
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for (const line of output.split("\n")) {
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const trimmed = line.trim();
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const separator = trimmed.indexOf("] ");
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if (!trimmed.startsWith("[") || separator < 2) continue;
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const project = trimmed.slice(1, separator);
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const path = trimmed.slice(separator + 2);
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if (path.length === 0) continue;
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const owners = classified.get(path) ?? [];
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owners.push(project);
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classified.set(path, owners);
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}
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return classified;
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};
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const testFiles = async (root: string): Promise<string[]> => {
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const files: string[] = [];
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for (const entry of await readdir(root, { withFileTypes: true })) {
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const path = join(root, entry.name);
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if (entry.isDirectory()) files.push(...(await testFiles(path)));
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else if (entry.isFile() && entry.name.endsWith(".test.ts"))
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files.push(relative(process.cwd(), path));
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}
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return files;
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};
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