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node_modules/fastify/test/promises.test.js

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+'use strict'
+
+const { test } = require('node:test')
+const assert = require('node:assert')
+const fastify = require('..')()
+
+test.after(() => fastify.close())
+
+const opts = {
+  schema: {
+    response: {
+      '2xx': {
+        type: 'object',
+        properties: {
+          hello: {
+            type: 'string'
+          }
+        }
+      }
+    }
+  }
+}
+
+fastify.get('/return', opts, function (req, reply) {
+  const promise = new Promise((resolve, reject) => {
+    resolve({ hello: 'world' })
+  })
+  return promise
+})
+
+fastify.get('/return-error', opts, function (req, reply) {
+  const promise = new Promise((resolve, reject) => {
+    reject(new Error('some error'))
+  })
+  return promise
+})
+
+fastify.get('/double', function (req, reply) {
+  setTimeout(function () {
+    // this should not throw
+    reply.send({ hello: 'world' })
+  }, 20)
+  return Promise.resolve({ hello: '42' })
+})
+
+fastify.get('/thenable', opts, function (req, reply) {
+  setImmediate(function () {
+    reply.send({ hello: 'world' })
+  })
+  return reply
+})
+
+fastify.get('/thenable-error', opts, function (req, reply) {
+  setImmediate(function () {
+    reply.send(new Error('kaboom'))
+  })
+  return reply
+})
+
+fastify.get('/return-reply', opts, function (req, reply) {
+  return reply.send({ hello: 'world' })
+})
+
+fastify.listen({ port: 0 }, (err, fastifyServer) => {
+  assert.ifError(err)
+
+  test('shorthand - sget return promise es6 get', async t => {
+    t.plan(4)
+
+    const result = await fetch(`${fastifyServer}/return`)
+    t.assert.ok(result.ok)
+    t.assert.strictEqual(result.status, 200)
+    const body = await result.text()
+    t.assert.strictEqual(result.headers.get('content-length'), '' + body.length)
+    t.assert.deepStrictEqual(JSON.parse(body), { hello: 'world' })
+  })
+
+  test('shorthand - sget promise es6 get return error', async t => {
+    t.plan(2)
+
+    const result = await fetch(`${fastifyServer}/return-error`)
+    t.assert.ok(!result.ok)
+    t.assert.strictEqual(result.status, 500)
+  })
+
+  test('sget promise double send', async t => {
+    t.plan(3)
+
+    const result = await fetch(`${fastifyServer}/double`)
+    t.assert.ok(result.ok)
+    t.assert.strictEqual(result.status, 200)
+    const body = await result.text()
+    t.assert.deepStrictEqual(JSON.parse(body), { hello: '42' })
+  })
+
+  test('thenable', async t => {
+    t.plan(4)
+
+    const result = await fetch(`${fastifyServer}/thenable`)
+    t.assert.ok(result.ok)
+    t.assert.strictEqual(result.status, 200)
+    const body = await result.text()
+    t.assert.strictEqual(result.headers.get('content-length'), '' + body.length)
+    t.assert.deepStrictEqual(JSON.parse(body), { hello: 'world' })
+  })
+
+  test('thenable (error)', async t => {
+    t.plan(2)
+
+    const result = await fetch(`${fastifyServer}/thenable-error`)
+    t.assert.ok(!result.ok)
+    t.assert.strictEqual(result.status, 500)
+  })
+
+  test('return-reply', async t => {
+    t.plan(4)
+
+    const result = await fetch(`${fastifyServer}/return-reply`)
+    t.assert.ok(result.ok)
+    t.assert.strictEqual(result.status, 200)
+    const body = await result.text()
+    t.assert.strictEqual(result.headers.get('content-length'), '' + body.length)
+    t.assert.deepStrictEqual(JSON.parse(body), { hello: 'world' })
+  })
+})