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'use strict'
const fs = require('node:fs')
const path = require('node:path')
const t = require('tap')
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
}
t.test('standalone', t => {
t.plan(5)
t.teardown(async () => {
for (const fileName of generatedFileNames) {
try {
await fs.promises.unlink(path.join(__dirname, fileName))
} catch {}
}
})
t.test('errors', t => {
t.plan(2)
t.throws(() => {
FjsStandaloneCompiler()
}, 'missing restoreFunction')
t.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.same(routeOpts, endpointSchema)
t.type(schemaSerializerCode, 'string')
fs.writeFileSync(path.join(__dirname, '/fjs-generated.js'), schemaSerializerCode)
generatedFileNames.push('/fjs-generated.js')
t.pass('stored the serializer function')
}
})
const compiler = factory(schemaMap)
compiler(endpointSchema)
t.pass('compiled the endpoint schema')
t.test('usage standalone code', t => {
t.plan(3)
const standaloneSerializer = require('./fjs-generated')
t.ok(standaloneSerializer)
const valid = standaloneSerializer({ hello: 'world' })
t.same(valid, JSON.stringify({ hello: 'world' }))
const invalid = standaloneSerializer({ hello: [] })
t.same(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.ok(routeOpts)
fs.writeFileSync(path.join(__dirname, fileName), schemaSerializationCode)
t.pass(`stored the serializer function ${fileName}`)
},
restoreFunction () {
t.fail('write mode ON')
}
})
const app = buildApp(factory)
await app.ready()
})
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.ok(routeOpts)
fs.writeFileSync(path.join(__dirname, fileName), schemaSerializationCode)
t.pass(`stored the serializer function ${fileName}`)
},
restoreFunction () {
t.fail('write mode ON')
}
})
const app = buildApp(factory, {
mode: 'not-standalone',
rounding: 'ceil'
})
await app.ready()
})
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.pass(`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.equal(res.statusCode, 200)
t.equal(res.payload, JSON.stringify({ hello: 'world' }))
res = await app.inject({
url: '/bar?lang=it',
method: 'GET'
})
t.equal(res.statusCode, 200)
t.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
}
})
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