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backend/node_modules/fastify/test/url-rewriting.test.js

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+'use strict'
+
+const t = require('tap')
+const test = t.test
+const Fastify = require('..')
+const sget = require('simple-get').concat
+
+test('Should rewrite url', t => {
+  t.plan(5)
+  const fastify = Fastify({
+    rewriteUrl (req) {
+      t.equal(req.url, '/this-would-404-without-url-rewrite')
+      this.log.info('rewriting url')
+      return '/'
+    }
+  })
+
+  fastify.route({
+    method: 'GET',
+    url: '/',
+    handler: (req, reply) => {
+      reply.send({ hello: 'world' })
+    }
+  })
+
+  fastify.listen({ port: 0 }, function (err) {
+    t.error(err)
+
+    sget({
+      method: 'GET',
+      url: 'http://localhost:' + fastify.server.address().port + '/this-would-404-without-url-rewrite'
+    }, (err, response, body) => {
+      t.error(err)
+      t.same(JSON.parse(body), { hello: 'world' })
+      t.equal(response.statusCode, 200)
+    })
+  })
+
+  t.teardown(() => fastify.close())
+})
+
+test('Should not rewrite if the url is the same', t => {
+  t.plan(4)
+  const fastify = Fastify({
+    rewriteUrl (req) {
+      t.equal(req.url, '/this-would-404-without-url-rewrite')
+      this.log.info('rewriting url')
+      return req.url
+    }
+  })
+
+  fastify.route({
+    method: 'GET',
+    url: '/',
+    handler: (req, reply) => {
+      reply.send({ hello: 'world' })
+    }
+  })
+
+  fastify.listen({ port: 0 }, function (err) {
+    t.error(err)
+
+    sget({
+      method: 'GET',
+      url: 'http://localhost:' + fastify.server.address().port + '/this-would-404-without-url-rewrite'
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 404)
+    })
+  })
+
+  t.teardown(() => fastify.close())
+})
+test('Should throw an error', t => {
+  t.plan(5)
+  const fastify = Fastify({
+    rewriteUrl (req) {
+      t.equal(req.url, '/this-would-404-without-url-rewrite')
+      this.log.info('rewriting url')
+      return undefined
+    }
+  })
+
+  fastify.route({
+    method: 'GET',
+    url: '/',
+    handler: (req, reply) => {
+      reply.send({ hello: 'world' })
+    }
+  })
+
+  fastify.listen({ port: 0 }, function (err) {
+    t.error(err)
+
+    sget({
+      method: 'GET',
+      url: 'http://localhost:' + fastify.server.address().port + '/this-would-404-without-url-rewrite'
+    }, (err, response, body) => {
+      t.equal(err.code, 'ECONNRESET')
+      t.equal(response, undefined)
+      t.equal(body, undefined)
+    })
+  })
+
+  t.teardown(() => fastify.close())
+})
+
+test('Should rewrite url but keep originalUrl unchanged', t => {
+  t.plan(7)
+  const fastify = Fastify({
+    rewriteUrl (req) {
+      t.equal(req.url, '/this-would-404-without-url-rewrite')
+      t.equal(req.originalUrl, '/this-would-404-without-url-rewrite')
+      return '/'
+    }
+  })
+
+  fastify.route({
+    method: 'GET',
+    url: '/',
+    handler: (req, reply) => {
+      t.equal(req.originalUrl, '/this-would-404-without-url-rewrite')
+      reply.send({ hello: 'world' })
+    }
+  })
+
+  fastify.listen({ port: 0 }, function (err) {
+    t.error(err)
+
+    sget({
+      method: 'GET',
+      url: 'http://localhost:' + fastify.server.address().port + '/this-would-404-without-url-rewrite'
+    }, (err, response, body) => {
+      t.error(err)
+      t.same(JSON.parse(body), { hello: 'world' })
+      t.equal(response.statusCode, 200)
+    })
+  })
+
+  t.teardown(() => fastify.close())
+})