e2e test

e2e.test.ts

@@ -0,0 +1,104 @@
+import { mkdtemp, readFile, rm } from "node:fs/promises";
+import { EOL, tmpdir } from "node:os";
+import { join } from "node:path";
+import type { Readable } from "node:stream";
+import { afterEach } from "node:test";
+
+import { cursorDown } from "ansi-escapes";
+import spawn from "nano-spawn";
+import { beforeEach, describe, expect, test } from "vitest";
+
+const waitForLine = (stdout: Readable, matcher?: RegExp | string) => {
+	return new Promise<string>((resolve, reject) => {
+		const onData = (data: string) => {
+			if (matcher) {
+				if (typeof matcher === "string") {
+					if (!data.includes(matcher)) {
+						return;
+					}
+				} else {
+					if (!matcher.test(data)) {
+						return;
+					}
+				}
+			}
+			stdout.removeListener("data", onData);
+			stdout.removeListener("close", onClose);
+			resolve(data);
+		};
+		const onClose = () => {
+			stdout.removeListener("data", onData);
+			stdout.removeListener("close", onClose);
+			reject(new Error("stdout closed"));
+		};
+		stdout.addListener("data", onData);
+		stdout.addListener("close", onClose);
+	});
+};
+
+const runBin = async () => {
+	const childProcess = spawn(
+		join(import.meta.dirname, "node_modules/.bin/tsx"),
+		[join(import.meta.dirname, "src/bin.ts")],
+	);
+	void (async () => {
+		for await (const data of childProcess.stdout) {
+			console.log(data);
+		}
+	})();
+	const nodeChildProcess = await childProcess.nodeChildProcess;
+	if (
+		!nodeChildProcess.stdin ||
+		!nodeChildProcess.stdout ||
+		!nodeChildProcess.stderr
+	) {
+		throw new Error("stdio is null");
+	}
+	return {
+		stdin: nodeChildProcess.stdin,
+		stdout: nodeChildProcess.stdout,
+		stderr: nodeChildProcess.stderr,
+		waitForExit: async () => {
+			await childProcess;
+		},
+	};
+};
+
+describe("CLI E2E Test", { timeout: 60_000 }, () => {
+	let dir: string | null = null;
+
+	beforeEach(async () => {
+		dir = await mkdtemp(tmpdir() + "/");
+		process.chdir(dir);
+	});
+
+	afterEach(async () => {
+		if (dir) {
+			await rm(dir, { recursive: true, force: true }).catch();
+		}
+	});
+
+	test("Vanilla", async () => {
+		if (!dir) {
+			throw new Error("dir is null");
+		}
+		const { stdout, stdin, waitForExit } = await runBin();
+		await waitForLine(stdout, "Select a template");
+		stdin.write(EOL);
+		await waitForLine(stdout, "The new project name");
+		stdin.write("project" + EOL);
+		await waitForLine(stdout, "The new bundle name");
+		stdin.write(EOL);
+		await waitForLine(stdout, "Initialize git repo?");
+		stdin.write(EOL);
+		await waitForLine(stdout, "Select package manager");
+		stdin.write(cursorDown() + EOL);
+		await waitForExit();
+
+		const packageJson = JSON.parse(
+			await readFile(join(dir, "project/package.json"), "utf-8"),
+		) as object;
+		expect(packageJson).toMatchObject({ name: "project" });
+		expect(Object.keys(packageJson)).toContain("nodecg");
+	});
+});

package.json

@@ -33,12 +33,14 @@
 		"@types/eslint-config-prettier": "^6.11.3",
 		"@types/node": "^22.10.5",
 		"@types/validate-npm-package-name": "^4.0.2",
+		"ansi-escapes": "^7.0.0",
 		"eslint": "^9.18.0",
 		"eslint-config-prettier": "^9.1.0",
 		"eslint-plugin-simple-import-sort": "^12.1.1",
 		"execa": "^9.5.2",
 		"prettier": "^3.4.2",
 		"tsup": "^8.3.5",
+		"tsx": "^4.19.2",
 		"typescript": "~5.7.3",
 		"typescript-eslint": "^8.19.1",
 		"vitest": "^2.1.8"