test: add unit tests for rate limiter middleware

tests/routes/params.test.ts

@@ -0,0 +1,79 @@
+import { beforeEach, describe, expect, it } from "bun:test";
+import { Hono } from "hono";
+import { categoryRoutes } from "../../src/server/routes/categories";
+import { itemRoutes } from "../../src/server/routes/items";
+import { setupRoutes } from "../../src/server/routes/setups";
+import { threadRoutes } from "../../src/server/routes/threads";
+import { createTestDb } from "../helpers/db";
+
+function createTestApp() {
+	const db = createTestDb();
+	const app = new Hono();
+	app.use("*", async (c, next) => {
+		c.set("db", db);
+		await next();
+	});
+	app.route("/api/items", itemRoutes);
+	app.route("/api/categories", categoryRoutes);
+	app.route("/api/threads", threadRoutes);
+	app.route("/api/setups", setupRoutes);
+	return app;
+}
+
+describe("Invalid ID parameter handling", () => {
+	let app: Hono;
+
+	beforeEach(() => {
+		app = createTestApp();
+	});
+
+	describe("items", () => {
+		it("GET /api/items/abc returns 400", async () => {
+			const res = await app.request("/api/items/abc");
+			expect(res.status).toBe(400);
+			const body = await res.json();
+			expect(body.error).toContain("Invalid");
+		});
+
+		it("GET /api/items/0 returns 400", async () => {
+			const res = await app.request("/api/items/0");
+			expect(res.status).toBe(400);
+		});
+
+		it("GET /api/items/-1 returns 400", async () => {
+			const res = await app.request("/api/items/-1");
+			expect(res.status).toBe(400);
+		});
+	});
+
+	describe("categories", () => {
+		it("DELETE /api/categories/abc returns 400", async () => {
+			const res = await app.request("/api/categories/abc", { method: "DELETE" });
+			expect(res.status).toBe(400);
+		});
+	});
+
+	describe("threads", () => {
+		it("GET /api/threads/abc returns 400", async () => {
+			const res = await app.request("/api/threads/abc");
+			expect(res.status).toBe(400);
+		});
+
+		it("GET /api/threads/1.5 returns 400", async () => {
+			const res = await app.request("/api/threads/1.5");
+			expect(res.status).toBe(400);
+		});
+	});
+
+	describe("setups", () => {
+		it("GET /api/setups/abc returns 400", async () => {
+			const res = await app.request("/api/setups/abc");
+			expect(res.status).toBe(400);
+		});
+
+		it("GET /api/setups/0 returns 400", async () => {
+			const res = await app.request("/api/setups/0");
+			expect(res.status).toBe(400);
+		});
+	});
+});