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backend/node_modules/fastify/test/custom-parser.0.test.js

@@ -0,0 +1,751 @@
+'use strict'
+
+const fs = require('node:fs')
+const t = require('tap')
+const test = t.test
+const sget = require('simple-get').concat
+const Fastify = require('../fastify')
+const jsonParser = require('fast-json-body')
+const { getServerUrl, plainTextParser } = require('./helper')
+
+process.removeAllListeners('warning')
+
+test('contentTypeParser method should exist', t => {
+  t.plan(1)
+  const fastify = Fastify()
+  t.ok(fastify.addContentTypeParser)
+})
+
+test('contentTypeParser should add a custom parser', t => {
+  t.plan(3)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.options('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('application/jsoff', function (req, payload, done) {
+    jsonParser(payload, function (err, body) {
+      done(err, body)
+    })
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    t.teardown(() => fastify.close())
+
+    t.test('in POST', t => {
+      t.plan(3)
+
+      sget({
+        method: 'POST',
+        url: getServerUrl(fastify),
+        body: '{"hello":"world"}',
+        headers: {
+          'Content-Type': 'application/jsoff'
+        }
+      }, (err, response, body) => {
+        t.error(err)
+        t.equal(response.statusCode, 200)
+        t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+      })
+    })
+
+    t.test('in OPTIONS', t => {
+      t.plan(3)
+
+      sget({
+        method: 'OPTIONS',
+        url: getServerUrl(fastify),
+        body: '{"hello":"world"}',
+        headers: {
+          'Content-Type': 'application/jsoff'
+        }
+      }, (err, response, body) => {
+        t.error(err)
+        t.equal(response.statusCode, 200)
+        t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+      })
+    })
+  })
+})
+
+test('contentTypeParser should handle multiple custom parsers', t => {
+  t.plan(7)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.post('/hello', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  function customParser (req, payload, done) {
+    jsonParser(payload, function (err, body) {
+      done(err, body)
+    })
+  }
+
+  fastify.addContentTypeParser('application/jsoff', customParser)
+  fastify.addContentTypeParser('application/ffosj', customParser)
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+    t.teardown(() => { fastify.close() })
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/jsoff'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+    })
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify) + '/hello',
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/ffosj'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+    })
+  })
+})
+
+test('contentTypeParser should handle an array of custom contentTypes', t => {
+  t.plan(7)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.post('/hello', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  function customParser (req, payload, done) {
+    jsonParser(payload, function (err, body) {
+      done(err, body)
+    })
+  }
+
+  fastify.addContentTypeParser(['application/jsoff', 'application/ffosj'], customParser)
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+    t.teardown(() => { fastify.close() })
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/jsoff'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+    })
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify) + '/hello',
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/ffosj'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+    })
+  })
+})
+
+test('contentTypeParser should handle errors', t => {
+  t.plan(3)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('application/jsoff', function (req, payload, done) {
+    done(new Error('kaboom!'), {})
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/jsoff'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 500)
+      fastify.close()
+    })
+  })
+})
+
+test('contentTypeParser should support encapsulation', t => {
+  t.plan(6)
+  const fastify = Fastify()
+
+  fastify.register((instance, opts, done) => {
+    instance.addContentTypeParser('application/jsoff', () => {})
+    t.ok(instance.hasContentTypeParser('application/jsoff'))
+
+    instance.register((instance, opts, done) => {
+      instance.addContentTypeParser('application/ffosj', () => {})
+      t.ok(instance.hasContentTypeParser('application/jsoff'))
+      t.ok(instance.hasContentTypeParser('application/ffosj'))
+      done()
+    })
+
+    done()
+  })
+
+  fastify.ready(err => {
+    t.error(err)
+    t.notOk(fastify.hasContentTypeParser('application/jsoff'))
+    t.notOk(fastify.hasContentTypeParser('application/ffosj'))
+  })
+})
+
+test('contentTypeParser should support encapsulation, second try', t => {
+  t.plan(4)
+  const fastify = Fastify()
+
+  fastify.register((instance, opts, done) => {
+    instance.post('/', (req, reply) => {
+      reply.send(req.body)
+    })
+
+    instance.addContentTypeParser('application/jsoff', function (req, payload, done) {
+      jsonParser(payload, function (err, body) {
+        done(err, body)
+      })
+    })
+
+    done()
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/jsoff'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+      fastify.close()
+    })
+  })
+})
+
+test('contentTypeParser shouldn\'t support request with undefined "Content-Type"', t => {
+  t.plan(3)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('application/jsoff', function (req, payload, done) {
+    jsonParser(payload, function (err, body) {
+      done(err, body)
+    })
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: 'unknown content type!',
+      headers: {
+        // 'Content-Type': undefined
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 415)
+      fastify.close()
+    })
+  })
+})
+
+test('the content type should be a string or RegExp', t => {
+  t.plan(2)
+  const fastify = Fastify()
+
+  try {
+    fastify.addContentTypeParser(null, () => {})
+    t.fail()
+  } catch (err) {
+    t.equal(err.code, 'FST_ERR_CTP_INVALID_TYPE')
+    t.equal(err.message, 'The content type should be a string or a RegExp')
+  }
+})
+
+test('the content type cannot be an empty string', t => {
+  t.plan(2)
+  const fastify = Fastify()
+
+  try {
+    fastify.addContentTypeParser('', () => {})
+    t.fail()
+  } catch (err) {
+    t.equal(err.code, 'FST_ERR_CTP_EMPTY_TYPE')
+    t.equal(err.message, 'The content type cannot be an empty string')
+  }
+})
+
+test('the content type handler should be a function', t => {
+  t.plan(2)
+  const fastify = Fastify()
+
+  try {
+    fastify.addContentTypeParser('aaa', null)
+    t.fail()
+  } catch (err) {
+    t.equal(err.code, 'FST_ERR_CTP_INVALID_HANDLER')
+    t.equal(err.message, 'The content type handler should be a function')
+  }
+})
+
+test('catch all content type parser', t => {
+  t.plan(7)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('*', function (req, payload, done) {
+    let data = ''
+    payload.on('data', chunk => { data += chunk })
+    payload.on('end', () => {
+      done(null, data)
+    })
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: 'hello',
+      headers: {
+        'Content-Type': 'application/jsoff'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.same(body.toString(), 'hello')
+
+      sget({
+        method: 'POST',
+        url: getServerUrl(fastify),
+        body: 'hello',
+        headers: {
+          'Content-Type': 'very-weird-content-type'
+        }
+      }, (err, response, body) => {
+        t.error(err)
+        t.equal(response.statusCode, 200)
+        t.same(body.toString(), 'hello')
+        fastify.close()
+      })
+    })
+  })
+})
+
+test('catch all content type parser should not interfere with other conte type parsers', t => {
+  t.plan(7)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('*', function (req, payload, done) {
+    let data = ''
+    payload.on('data', chunk => { data += chunk })
+    payload.on('end', () => {
+      done(null, data)
+    })
+  })
+
+  fastify.addContentTypeParser('application/jsoff', function (req, payload, done) {
+    jsonParser(payload, function (err, body) {
+      done(err, body)
+    })
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/jsoff'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.same(body.toString(), JSON.stringify({ hello: 'world' }))
+
+      sget({
+        method: 'POST',
+        url: getServerUrl(fastify),
+        body: 'hello',
+        headers: {
+          'Content-Type': 'very-weird-content-type'
+        }
+      }, (err, response, body) => {
+        t.error(err)
+        t.equal(response.statusCode, 200)
+        t.same(body.toString(), 'hello')
+        fastify.close()
+      })
+    })
+  })
+})
+
+// Issue 492 https://github.com/fastify/fastify/issues/492
+test('\'*\' catch undefined Content-Type requests', t => {
+  t.plan(4)
+
+  const fastify = Fastify()
+
+  t.teardown(fastify.close.bind(fastify))
+
+  fastify.addContentTypeParser('*', function (req, payload, done) {
+    let data = ''
+    payload.on('data', chunk => { data += chunk })
+    payload.on('end', () => {
+      done(null, data)
+    })
+  })
+
+  fastify.post('/', (req, res) => {
+    // Needed to avoid json stringify
+    res.type('text/plain').send(req.body)
+  })
+
+  fastify.listen({ port: 0 }, function (err) {
+    t.error(err)
+
+    const fileStream = fs.createReadStream(__filename)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify) + '/',
+      body: fileStream
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.equal(body + '', fs.readFileSync(__filename).toString())
+    })
+  })
+})
+
+test('cannot add custom parser after binding', t => {
+  t.plan(2)
+
+  const fastify = Fastify()
+
+  t.teardown(fastify.close.bind(fastify))
+
+  fastify.post('/', (req, res) => {
+    res.type('text/plain').send(req.body)
+  })
+
+  fastify.listen({ port: 0 }, function (err) {
+    t.error(err)
+
+    try {
+      fastify.addContentTypeParser('*', () => {})
+      t.fail()
+    } catch (e) {
+      t.pass()
+    }
+  })
+})
+
+test('Can override the default json parser', t => {
+  t.plan(5)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('application/json', function (req, payload, done) {
+    t.ok('called')
+    jsonParser(payload, function (err, body) {
+      done(err, body)
+    })
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.equal(body.toString(), '{"hello":"world"}')
+      fastify.close()
+    })
+  })
+})
+
+test('Can override the default plain text parser', t => {
+  t.plan(5)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('text/plain', function (req, payload, done) {
+    t.ok('called')
+    plainTextParser(payload, function (err, body) {
+      done(err, body)
+    })
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: 'hello world',
+      headers: {
+        'Content-Type': 'text/plain'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.equal(body.toString(), 'hello world')
+      fastify.close()
+    })
+  })
+})
+
+test('Can override the default json parser in a plugin', t => {
+  t.plan(5)
+  const fastify = Fastify()
+
+  fastify.register((instance, opts, done) => {
+    instance.addContentTypeParser('application/json', function (req, payload, done) {
+      t.ok('called')
+      jsonParser(payload, function (err, body) {
+        done(err, body)
+      })
+    })
+
+    instance.post('/', (req, reply) => {
+      reply.send(req.body)
+    })
+
+    done()
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.equal(body.toString(), '{"hello":"world"}')
+      fastify.close()
+    })
+  })
+})
+
+test('Can\'t override the json parser multiple times', t => {
+  t.plan(2)
+  const fastify = Fastify()
+
+  fastify.addContentTypeParser('application/json', function (req, payload, done) {
+    jsonParser(payload, function (err, body) {
+      done(err, body)
+    })
+  })
+
+  try {
+    fastify.addContentTypeParser('application/json', function (req, payload, done) {
+      t.ok('called')
+      jsonParser(payload, function (err, body) {
+        done(err, body)
+      })
+    })
+  } catch (err) {
+    t.equal(err.code, 'FST_ERR_CTP_ALREADY_PRESENT')
+    t.equal(err.message, 'Content type parser \'application/json\' already present.')
+  }
+})
+
+test('Can\'t override the plain text parser multiple times', t => {
+  t.plan(2)
+  const fastify = Fastify()
+
+  fastify.addContentTypeParser('text/plain', function (req, payload, done) {
+    plainTextParser(payload, function (err, body) {
+      done(err, body)
+    })
+  })
+
+  try {
+    fastify.addContentTypeParser('text/plain', function (req, payload, done) {
+      t.ok('called')
+      plainTextParser(payload, function (err, body) {
+        done(err, body)
+      })
+    })
+  } catch (err) {
+    t.equal(err.code, 'FST_ERR_CTP_ALREADY_PRESENT')
+    t.equal(err.message, 'Content type parser \'text/plain\' already present.')
+  }
+})
+
+test('Should get the body as string', t => {
+  t.plan(6)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.addContentTypeParser('application/json', { parseAs: 'string' }, function (req, body, done) {
+    t.ok('called')
+    t.ok(typeof body === 'string')
+    try {
+      const json = JSON.parse(body)
+      done(null, json)
+    } catch (err) {
+      err.statusCode = 400
+      done(err, undefined)
+    }
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: '{"hello":"world"}',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.equal(body.toString(), '{"hello":"world"}')
+      fastify.close()
+    })
+  })
+})
+
+test('Should return defined body with no custom parser defined and content type = \'text/plain\'', t => {
+  t.plan(4)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      body: 'hello world',
+      headers: {
+        'Content-Type': 'text/plain'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.equal(body.toString(), 'hello world')
+      fastify.close()
+    })
+  })
+})
+
+test('Should have typeof body object with no custom parser defined, no body defined and content type = \'text/plain\'', t => {
+  t.plan(4)
+  const fastify = Fastify()
+
+  fastify.post('/', (req, reply) => {
+    reply.send(req.body)
+  })
+
+  fastify.listen({ port: 0 }, err => {
+    t.error(err)
+
+    sget({
+      method: 'POST',
+      url: getServerUrl(fastify),
+      headers: {
+        'Content-Type': 'text/plain'
+      }
+    }, (err, response, body) => {
+      t.error(err)
+      t.equal(response.statusCode, 200)
+      t.equal(typeof body, 'object')
+      fastify.close()
+    })
+  })
+})