import { spawn } from "node:child_process";
import path from "node:path";
import { describe, expect, it } from "vitest";
import { getCliCommand } from "./test-helpers";
describe("CLI E2E", () => {
const projectRoot = path.resolve(import.meta.dirname, "..");
async function runCli(args: string[]): Promise<{ code: number; stdout: string; stderr: string }> {
return new Promise((resolve, reject) => {
const { cmd, args: cliArgs } = getCliCommand();
const proc = spawn(cmd, [...cliArgs, ...args], {
cwd: projectRoot,
stdio: ["ignore", "pipe", "pipe"],
env: { ...process.env, VITEST_WORKER_ID: undefined },
});
let stdout = "";
let stderr = "";
proc.stdout.on("data", (data) => {
stdout += data.toString();
});
proc.stderr.on("data", (data) => {
stderr += data.toString();
});
proc.on("close", (code) => {
resolve({ code: code ?? 1, stdout, stderr });
});
proc.on("error", (err) => {
reject(err);
});
});
}
it("should show help with --help", async () => {
const { code, stdout } = await runCli(["--help"]);
expect(code).toBe(0);
expect(stdout).toContain("Usage: docs-mcp-server <command> [options]");
expect(stdout).toContain("Commands:");
expect(stdout).toContain("list");
});
it("should show version with --version", async () => {
const { code, stdout } = await runCli(["--version"]);
expect(code).toBe(0);
// Version is typically printed to stdout
expect(stdout).toMatch(/^\d+\.\d+\.\d+/);
});
it("should fail on unknown command", async () => {
const { code, stderr } = await runCli(["unknown-command"]);
expect(code).toBe(1);
expect(stderr).toContain("Unknown argument: unknown-command");
});
it("should fail on unknown argument", async () => {
const { code, stderr } = await runCli(["list", "--unknown-flag"]);
expect(code).toBe(1);
expect(stderr).toMatch(/Unknown argument/i);
expect(stderr).toContain("unknown-flag");
});
});
