adding simple test boilerplate

tests/mod.ts

@@ -0,0 +1,30 @@
+import { Application } from "https://deno.land/x/oak@v11.1.0/mod.ts";
+import { superoak } from "https://deno.land/x/superoak@4.7.0/mod.ts";
+import { RateLimiter } from "../mod.ts";
+
+const rateLimit = RateLimiter({
+    windowMs: 1000, // Window for the requests that can be made in miliseconds.
+    max: 2, // Max requests within the predefined window.
+    headers: true, // Default true, it will add the headers X-RateLimit-Limit, X-RateLimit-Remaining.
+    message: "Ratelimit", // Default message if rate limit reached.
+    statusCode: 429, // Default status code if rate limit reached.
+});
+
+const app = new Application();
+app.use(await rateLimit)
+
+app.use((ctx) => {
+    ctx.response.body = { message: "Ok" };
+});
+
+Deno.test("Testing Global Ratelimit...", async () => {
+    const request = await superoak(app);
+    await request.get("/").expect({ message: "Ok" });
+
+    const request2 = await superoak(app);
+    await request2.get("/").expect({ message: "Ok" });
+
+    const request3 = await superoak(app);
+    await request3.get("/").expect({ error: "Ratelimit" });
+});
+