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backend/node_modules/@fastify/rate-limit/test/github-issues/issue-284.test.js

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+'use strict'
+
+const { test, mock } = require('node:test')
+const Fastify = require('fastify')
+const rateLimit = require('../../index')
+
+test("issue #284 - don't set the reply code automatically", async (t) => {
+  const clock = mock.timers
+  clock.enable()
+  const fastify = Fastify()
+
+  await fastify.register(rateLimit, {
+    global: false
+  })
+
+  fastify.setErrorHandler((err, _req, res) => {
+    t.assert.deepStrictEqual(res.statusCode, 200)
+    t.assert.deepStrictEqual(err.statusCode, 429)
+
+    res.redirect('/')
+  })
+
+  fastify.get(
+    '/',
+    {
+      config: {
+        rateLimit: {
+          max: 1,
+          timeWindow: 5000,
+          continueExceeding: true
+        }
+      }
+    },
+    async () => {
+      return 'hello!'
+    }
+  )
+
+  const firstOkResponse = await fastify.inject({
+    url: '/',
+    method: 'GET'
+  })
+  const firstRateLimitResponse = await fastify.inject({
+    url: '/',
+    method: 'GET'
+  })
+
+  // After this the rate limiter should allow for new requests
+  clock.tick(5000)
+
+  const okResponseAfterRateLimitCompleted = await fastify.inject({
+    url: '/',
+    method: 'GET'
+  })
+
+  t.assert.deepStrictEqual(firstOkResponse.statusCode, 200)
+
+  t.assert.deepStrictEqual(firstRateLimitResponse.statusCode, 302)
+  t.assert.deepStrictEqual(
+    firstRateLimitResponse.headers['x-ratelimit-limit'],
+    '1'
+  )
+  t.assert.deepStrictEqual(
+    firstRateLimitResponse.headers['x-ratelimit-remaining'],
+    '0'
+  )
+  t.assert.deepStrictEqual(
+    firstRateLimitResponse.headers['x-ratelimit-reset'],
+    '5'
+  )
+
+  t.assert.deepStrictEqual(okResponseAfterRateLimitCompleted.statusCode, 200)
+  clock.reset(0)
+})