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node_modules/fastify/test/output-validation.test.js

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+'use strict'
+
+const { test } = require('node:test')
+const fastify = require('..')()
+
+const opts = {
+  schema: {
+    response: {
+      200: {
+        type: 'object',
+        properties: {
+          hello: {
+            type: 'string'
+          }
+        }
+      },
+      '2xx': {
+        type: 'object',
+        properties: {
+          hello: {
+            type: 'number'
+          }
+        }
+      }
+    }
+  }
+}
+
+test('shorthand - output string', t => {
+  t.plan(1)
+  try {
+    fastify.get('/string', opts, function (req, reply) {
+      reply.code(200).send({ hello: 'world' })
+    })
+    t.assert.ok(true)
+  } catch (e) {
+    t.assert.fail()
+  }
+})
+
+test('shorthand - output number', t => {
+  t.plan(1)
+  try {
+    fastify.get('/number', opts, function (req, reply) {
+      reply.code(201).send({ hello: 55 })
+    })
+    t.assert.ok(true)
+  } catch (e) {
+    t.assert.fail()
+  }
+})
+
+test('wrong object for schema - output', t => {
+  t.plan(1)
+  try {
+    fastify.get('/wrong-object-for-schema', opts, function (req, reply) {
+      // will send { }
+      reply.code(201).send({ hello: 'world' })
+    })
+    t.assert.ok(true)
+  } catch (e) {
+    t.assert.fail()
+  }
+})
+
+test('empty response', t => {
+  t.plan(1)
+  try {
+    // no checks
+    fastify.get('/empty', opts, function (req, reply) {
+      reply.code(204).send()
+    })
+    t.assert.ok(true)
+  } catch (e) {
+    t.assert.fail()
+  }
+})
+
+test('unlisted response code', t => {
+  t.plan(1)
+  try {
+    fastify.get('/400', opts, function (req, reply) {
+      reply.code(400).send({ hello: 'DOOM' })
+    })
+    t.assert.ok(true)
+  } catch (e) {
+    t.assert.fail()
+  }
+})
+
+test('start server and run tests', async (t) => {
+  const fastifyServer = await fastify.listen({ port: 0 })
+  t.after(() => fastify.close())
+
+  await test('shorthand - string get ok', async (t) => {
+    const result = await fetch(fastifyServer + '/string')
+    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' })
+  })
+
+  await test('shorthand - number get ok', async (t) => {
+    const result = await fetch(fastifyServer + '/number')
+    t.assert.ok(result.ok)
+    t.assert.strictEqual(result.status, 201)
+    const body = await result.text()
+    t.assert.strictEqual(result.headers.get('content-length'), '' + body.length)
+    t.assert.deepStrictEqual(JSON.parse(body), { hello: 55 })
+  })
+
+  await test('shorthand - wrong-object-for-schema', async (t) => {
+    const result = await fetch(fastifyServer + '/wrong-object-for-schema')
+    t.assert.ok(!result.ok)
+    t.assert.strictEqual(result.status, 500)
+    const body = await result.text()
+    t.assert.strictEqual(result.headers.get('content-length'), '' + body.length)
+    t.assert.deepStrictEqual(JSON.parse(body), {
+      statusCode: 500,
+      error: 'Internal Server Error',
+      message: 'The value "world" cannot be converted to a number.'
+    })
+  })
+
+  await test('shorthand - empty', async (t) => {
+    const result = await fetch(fastifyServer + '/empty')
+    t.assert.ok(result.ok)
+    t.assert.strictEqual(result.status, 204)
+  })
+
+  await test('shorthand - 400', async (t) => {
+    const result = await fetch(fastifyServer + '/400')
+    t.assert.ok(!result.ok)
+    t.assert.strictEqual(result.status, 400)
+    const body = await result.text()
+    t.assert.strictEqual(result.headers.get('content-length'), '' + body.length)
+    t.assert.deepStrictEqual(JSON.parse(body), { hello: 'DOOM' })
+  })
+})