service-core/test/application.cluster.test.mjs

123 lines
3.5 KiB
JavaScript

import { Eltro as t, assert, stub } from 'eltro'
import fs from 'fs/promises'
import Application from '../core/application.mjs'
import Util from '../core/util.mjs'
import lowdb from '../core/db.mjs'
import StaticProvider from '../core/providers/static.mjs'
import { createFakeContext } from './helpers.mjs'
import HttpServer from '../core/http.mjs'
const util = new Util(import.meta.url)
t.describe('#runVersion("version") cluster mode', function() {
const assertPort = 22345
const assertClusterSize = Math.floor(Math.random() * (8 - 2 + 1) + 2)
const http = new HttpServer()
let handler
let cluster
let workers
let ctx
let app
t.beforeEach(function() {
return createFakeContext({ testnoexisting: { cluster: assertClusterSize } }, util, null)
.then(function(res) {
workers = []
ctx = res
let provider = new StaticProvider()
cluster = {
on: stub(),
off: stub(),
fork: stub().returnWith(function() {
let worker = {
on: stub(),
once: stub(),
process: {
kill: stub(),
}
}
workers.push(worker)
return worker
}),
isWorker: false,
}
app = new Application(ctx, provider, 'testnoexisting', { cluster })
app.config.port = assertPort
app.workerDied = stub()
return app.ctx.db.write()
})
})
t.afterEach(function() {
return Promise.all([
app.closeServer(),
])
})
t.before(function() {
handler = function(req, res) {
res.writeHead(200)
res.end('{}')
}
let server = http.createServer(function(req, res) {
req.on('error', function() { })
res.on('error', function() { })
res.on('finish', function() { })
handler(req, res)
})
return server.listenAsync(assertPort)
})
t.after(function() {
return http.closeServer()
})
t.test('should call fork for entire cluster and attach handlers correctly', async function() {
let lastErr = null
for (let i = 1; i <= assertClusterSize; i++) {
assert.strictEqual(app.workers[i], null)
}
handler = function(req, res) {
try {
assert.notOk(cluster.on.called)
assert.notOk(app.__clusterWorkerDied)
lastErr = false
} catch (err) {
lastErr = err
}
res.writeHead(200)
res.end('{}')
}
const assertVersion = 'v11.22.33'
await app.runVersion(assertVersion)
assert.strictEqual(cluster.fork.callCount, assertClusterSize)
for (let i = 1; i <= assertClusterSize; i++) {
assert.ok(app.workers[i])
assert.strictEqual(app.workers[i], workers[i - 1])
assert.strictEqual(cluster.fork.getCallN(i)[0].CLUSTER_APP_NAME, app.name)
assert.strictEqual(cluster.fork.getCallN(i)[0].CLUSTER_APP_VERSION, assertVersion)
assert.strictEqual(app.workers[i].w_id, i)
assert.strictEqual(app.workers[i].listening, false)
assert.ok(app.workers[i].started)
assert.ok(new Date() - app.workers[i].started < 100 && new Date() - app.workers[i].started >= 0)
}
assert.strictEqual(lastErr, false)
assert.strictEqual(cluster.on.callCount, 1)
assert.ok(app.__clusterWorkerDied)
assert.strictEqual(cluster.on.firstCall[0], 'exit')
assert.strictEqual(cluster.on.firstCall[1], app.__clusterWorkerDied)
assert.notStrictEqual(app.workerDied, app.__clusterWorkerDied)
assert.notOk(app.workerDied.called)
app.__clusterWorkerDied()
assert.ok(app.workerDied.called)
})
})