feat(testing): add tests for RateLimiter

test/unit/routes/login.test.ts

@@ -0,0 +1,23 @@
+import { RateLimiter } from "../../../src/node/routes/login"
+
+describe("login", () => {
+  describe("RateLimiter", () => {
+    it("should allow one try ", () => {
+      const limiter = new RateLimiter()
+      expect(limiter.try()).toBe(true)
+    })
+
+    it("should not allow more than 14 tries in less than an hour", () => {
+      const limiter = new RateLimiter()
+
+      // The limiter allows 2 tries per minute plus 12 per hour
+      // so if we run it 15 times, 14 should return true and the last
+      // should return false
+      for (let i = 1; i <= 14; i++) {
+        expect(limiter.try()).toBe(true)
+      }
+
+      expect(limiter.try()).toBe(false)
+    })
+  })
+})