[Backport 7.x] Added new observability events (#1370)
Co-authored-by: Tomas Della Vedova <delvedor@users.noreply.github.com>
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462
test/acceptance/events-order.test.js
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462
test/acceptance/events-order.test.js
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/*
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* Licensed to Elasticsearch B.V. under one or more contributor
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* license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright
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* ownership. Elasticsearch B.V. licenses this file to you under
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* the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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'use strict'
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const { test } = require('tap')
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const intoStream = require('into-stream')
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const { Client, Connection, events } = require('../../index')
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const {
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TimeoutError,
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ConnectionError,
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ResponseError,
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RequestAbortedError,
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SerializationError,
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DeserializationError
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} = require('../../lib/errors')
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const {
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buildServer,
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connection: {
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MockConnection,
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MockConnectionError,
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MockConnectionTimeout,
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buildMockConnection
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}
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} = require('../utils')
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test('No errors', t => {
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t.plan(10)
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnection
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.DESERIALIZATION,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.DESERIALIZATION)
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})
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client.on(events.RESPONSE, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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client.info((err, result) => {
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t.error(err)
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t.strictEqual(order.length, 0)
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})
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})
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test('Connection error', t => {
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t.plan(10)
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnectionError,
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maxRetries: 1
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.REQUEST,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (_err, request) => {
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t.fail('Should not be called')
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})
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client.on(events.RESPONSE, (err, request) => {
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t.ok(err instanceof ConnectionError)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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client.info((err, result) => {
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t.ok(err instanceof ConnectionError)
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t.strictEqual(order.length, 0)
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})
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})
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test('TimeoutError error', t => {
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t.plan(10)
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnectionTimeout,
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maxRetries: 1
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.REQUEST,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (_err, request) => {
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t.fail('Should not be called')
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})
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client.on(events.RESPONSE, (err, request) => {
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t.ok(err instanceof TimeoutError)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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client.info((err, result) => {
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t.ok(err instanceof TimeoutError)
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t.strictEqual(order.length, 0)
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})
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})
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test('RequestAbortedError error', t => {
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t.plan(8)
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnectionTimeout,
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maxRetries: 1
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (_err, request) => {
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t.fail('Should not be called')
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})
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client.on(events.RESPONSE, (err, request) => {
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t.ok(err instanceof RequestAbortedError)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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const request = client.info((err, result) => {
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t.ok(err instanceof RequestAbortedError)
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t.strictEqual(order.length, 0)
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})
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request.abort()
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})
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test('ResponseError error (no retry)', t => {
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t.plan(10)
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const MockConnection = buildMockConnection({
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onRequest (params) {
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return {
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statusCode: 400,
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body: { hello: 'world' }
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}
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}
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})
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnection,
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maxRetries: 1
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.DESERIALIZATION,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.DESERIALIZATION)
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})
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client.on(events.RESPONSE, (err, request) => {
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t.ok(err instanceof ResponseError)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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client.info((err, result) => {
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t.ok(err instanceof ResponseError)
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t.strictEqual(order.length, 0)
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})
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})
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test('ResponseError error (with retry)', t => {
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t.plan(14)
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const MockConnection = buildMockConnection({
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onRequest (params) {
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return {
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statusCode: 504,
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body: { hello: 'world' }
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}
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}
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})
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnection,
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maxRetries: 1
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.DESERIALIZATION,
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events.REQUEST,
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events.DESERIALIZATION,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.DESERIALIZATION)
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})
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client.on(events.RESPONSE, (err, request) => {
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t.ok(err instanceof ResponseError)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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client.info((err, result) => {
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t.ok(err instanceof ResponseError)
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t.strictEqual(order.length, 0)
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})
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})
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test('Serialization Error', t => {
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t.plan(6)
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnection,
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maxRetries: 1
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.ok(err instanceof SerializationError)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (_err, request) => {
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t.fail('Should not be called')
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})
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client.on(events.RESPONSE, (_err, request) => {
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t.fail('Should not be called')
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})
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const body = {}
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body.o = body
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client.index({ index: 'test', body }, (err, result) => {
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t.ok(err instanceof SerializationError)
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t.strictEqual(order.length, 0)
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})
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})
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test('Deserialization Error', t => {
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t.plan(10)
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class MockConnection extends Connection {
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request (params, callback) {
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const body = '{"hello":"wor'
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const stream = intoStream(body)
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stream.statusCode = 200
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stream.headers = {
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'content-type': 'application/json;utf=8',
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'content-length': body.length,
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connection: 'keep-alive',
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date: new Date().toISOString()
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}
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stream.on('close', () => t.pass('Stream destroyed'))
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process.nextTick(callback, null, stream)
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return { abort () {} }
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}
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}
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const client = new Client({
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node: 'http://localhost:9200',
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Connection: MockConnection,
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maxRetries: 1
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})
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.DESERIALIZATION,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.DESERIALIZATION)
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})
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client.on(events.RESPONSE, (err, request) => {
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t.ok(err instanceof DeserializationError)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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client.info((err, result) => {
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t.ok(err instanceof DeserializationError)
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t.strictEqual(order.length, 0)
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})
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})
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test('Socket destroyed while reading the body', t => {
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t.plan(14)
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function handler (req, res) {
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const body = JSON.stringify({ hello: 'world' })
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res.setHeader('Content-Type', 'application/json;utf=8')
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res.setHeader('Content-Length', body.length + '')
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res.write(body.slice(0, -5))
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setTimeout(() => {
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res.socket.destroy()
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}, 500)
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}
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buildServer(handler, ({ port }, server) => {
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const client = new Client({ node: `http://localhost:${port}`, maxRetries: 1 })
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const order = [
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events.SERIALIZATION,
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events.REQUEST,
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events.DESERIALIZATION,
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events.REQUEST,
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events.DESERIALIZATION,
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events.RESPONSE
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]
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client.on(events.SERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.SERIALIZATION)
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})
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client.on(events.REQUEST, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.REQUEST)
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})
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client.on(events.DESERIALIZATION, (err, request) => {
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t.error(err)
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t.strictEqual(order.shift(), events.DESERIALIZATION)
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})
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client.on(events.RESPONSE, (err, request) => {
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t.ok(err instanceof ConnectionError)
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t.strictEqual(order.shift(), events.RESPONSE)
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})
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client.info((err, result) => {
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t.ok(err instanceof ConnectionError)
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t.strictEqual(order.length, 0)
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server.stop()
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})
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})
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})
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