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'use strict' const fs = require('node:fs') const path = require('node:path') const { test } = require('node:test') const fastify = require('fastify') const sanitize = require('sanitize-filename') const { StandaloneSerializer: FjsStandaloneCompiler } = require('../') const generatedFileNames = [] function generateFileName (routeOpts) { const fileName = `/fjs-generated-${sanitize(routeOpts.schema.$id)}-${routeOpts.method}-${routeOpts.httpPart}-${sanitize(routeOpts.url)}.js` generatedFileNames.push(fileName) return fileName } test('standalone', async t => { t.plan(5) t.after(async () => { for (const fileName of generatedFileNames) { try { await fs.promises.unlink(path.join(__dirname, fileName)) } catch {} } }) t.test('errors', t => { t.plan(2) t.assert.throws(() => { FjsStandaloneCompiler() }, 'missing restoreFunction') t.assert.throws(() => { FjsStandaloneCompiler({ readMode: false }) }, 'missing storeFunction') }) t.test('generate standalone code', t => { t.plan(5) const base = { $id: 'urn:schema:base', definitions: { hello: { type: 'string' } }, type: 'object', properties: { hello: { $ref: '#/definitions/hello' } } } const refSchema = { $id: 'urn:schema:ref', type: 'object', properties: { hello: { $ref: 'urn:schema:base#/definitions/hello' } } } const endpointSchema = { schema: { $id: 'urn:schema:endpoint', $ref: 'urn:schema:ref' } } const schemaMap = { [base.$id]: base, [refSchema.$id]: refSchema } const factory = FjsStandaloneCompiler({ readMode: false, storeFunction (routeOpts, schemaSerializerCode) { t.assert.deepStrictEqual(routeOpts, endpointSchema) t.assert.ok(typeof schemaSerializerCode === 'string') fs.writeFileSync(path.join(__dirname, '/fjs-generated.js'), schemaSerializerCode) generatedFileNames.push('/fjs-generated.js') t.assert.ok('stored the serializer function') } }) const compiler = factory(schemaMap) compiler(endpointSchema) t.assert.ok('compiled the endpoint schema') t.test('usage standalone code', t => { t.plan(3) const standaloneSerializer = require('./fjs-generated') t.assert.ok(standaloneSerializer) const valid = standaloneSerializer({ hello: 'world' }) t.assert.deepStrictEqual(valid, JSON.stringify({ hello: 'world' })) const invalid = standaloneSerializer({ hello: [] }) t.assert.deepStrictEqual(invalid, '{"hello":""}') }) }) t.test('fastify integration - writeMode', async t => { t.plan(4) const factory = FjsStandaloneCompiler({ readMode: false, storeFunction (routeOpts, schemaSerializationCode) { const fileName = generateFileName(routeOpts) t.assert.ok(routeOpts) fs.writeFileSync(path.join(__dirname, fileName), schemaSerializationCode) t.assert.ok(`stored the serializer function ${fileName}`) }, restoreFunction () { t.fail('write mode ON') } }) const app = buildApp(factory) await app.ready() }) await t.test('fastify integration - writeMode forces standalone', async t => { t.plan(4) const factory = FjsStandaloneCompiler({ readMode: false, storeFunction (routeOpts, schemaSerializationCode) { const fileName = generateFileName(routeOpts) t.assert.ok(routeOpts) fs.writeFileSync(path.join(__dirname, fileName), schemaSerializationCode) t.assert.ok(`stored the serializer function ${fileName}`) }, restoreFunction () { t.fail('write mode ON') } }) const app = buildApp(factory, { mode: 'not-standalone', rounding: 'ceil' }) await app.ready() }) await t.test('fastify integration - readMode', async t => { t.plan(6) const factory = FjsStandaloneCompiler({ readMode: true, storeFunction () { t.fail('read mode ON') }, restoreFunction (routeOpts) { const fileName = generateFileName(routeOpts) t.assert.ok(`restore the serializer function ${fileName}}`) return require(path.join(__dirname, fileName)) } }) const app = buildApp(factory) await app.ready() let res = await app.inject({ url: '/foo', method: 'POST' }) t.assert.equal(res.statusCode, 200) t.assert.equal(res.payload, JSON.stringify({ hello: 'world' })) res = await app.inject({ url: '/bar?lang=it', method: 'GET' }) t.assert.equal(res.statusCode, 200) t.assert.equal(res.payload, JSON.stringify({ lang: 'en' })) }) function buildApp (factory, serializerOpts) { const app = fastify({ exposeHeadRoutes: false, jsonShorthand: false, schemaController: { compilersFactory: { buildSerializer: factory } }, serializerOpts }) app.addSchema({ $id: 'urn:schema:foo', type: 'object', properties: { name: { type: 'string' }, id: { type: 'integer' } } }) app.post('/foo', { schema: { response: { 200: { $id: 'urn:schema:response', type: 'object', properties: { hello: { $ref: 'urn:schema:foo#/properties/name' } } } } } }, () => { return { hello: 'world' } }) app.get('/bar', { schema: { response: { 200: { $id: 'urn:schema:response:bar', type: 'object', properties: { lang: { type: 'string', enum: ['it', 'en'] } } } } } }, () => { return { lang: 'en' } }) return app } })