// A checkout nested under `.claude/` must not add its tests to this suite.
// The test plants one in a temporary directory next to a real test file and
// asks vitest, with this repo's config, which test files it would run.
import { afterEach, describe, expect, it } from "vitest";
import { execFileSync } from "node:child_process";
import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { fileURLToPath } from "node:url";

const repoRoot = fileURLToPath(new URL("../../", import.meta.url));

let root = "";

afterEach(() => {
    rmSync(root, { recursive: true, force: true });
});

const writeTest = (path: string): void => {
    mkdirSync(join(root, path, ".."), { recursive: true });
    writeFileSync(
        join(root, path),
        'import { it } from "vitest";\nit("runs", () => {});\n',
    );
};

describe("vitest.config.ts", () => {
    it("does not collect tests from a checkout nested under .claude/", () => {
        root = mkdtempSync(join(tmpdir(), "quak-nested-checkout-"));
        writeTest("test/real.test.ts");
        writeTest(".claude/worktrees/other/test/real.test.ts");

        const output = execFileSync(
            process.execPath,
            [
                join(repoRoot, "node_modules/vitest/vitest.mjs"),
                "list",
                "--filesOnly",
                "--config",
                join(repoRoot, "vitest.config.ts"),
                "--root",
                root,
            ],
            { cwd: root, encoding: "utf-8" },
        );

        const files = output.split("\n").filter((line) => line !== "");
        expect(files).toEqual(["test/real.test.ts"]);
    });
});