@ -1,19 +1,19 @@
/* eslint-env mocha */
import { execFile , fork } from 'node:child_process'
import { promisify } from 'node:util'
import { once } from 'node:events'
import { Readable } from 'node:stream'
import fs from 'node:fs/promises'
import path from 'node:path'
import assert from 'node:assert/strict'
import { wait } from './utils.test.js'
import { exists } from './fsUtils.test.js'
import * as model from '../src/model.js'
import Datastore from '../src/datastore.js'
import Persistence from '../src/persistence.js'
import { ensureFileDoesntExistAsync , ensureDatafileIntegrityAsync } from '../src/storage.js'
const testDb = 'workspace/test.db'
const { promises : fs } = require ( 'fs' )
const path = require ( 'path' )
const assert = require ( 'assert' ) . strict
const { exists } = require ( './utils.test.js' )
const model = require ( '../lib/model' )
const Datastore = require ( '../lib/datastore' )
const Persistence = require ( '../lib/persistence' )
const storage = require ( '../lib/storage' )
const { execFile , fork } = require ( 'child_process' )
const { promisify } = require ( 'util' )
const { ensureFileDoesntExistAsync } = require ( '../lib/storage' )
const { once } = require ( 'events' )
const { wait } = require ( './utils.test' )
const Readable = require ( 'stream' ) . Readable
describe ( 'Persistence async' , function ( ) {
let d
@ -267,7 +267,7 @@ describe('Persistence async', function () {
const data = ( await fs . readFile ( d . filename , 'utf8' ) ) . split ( '\n' )
let filledCount = 0
data . forEach ( item => { if ( item . length > 0 ) { filledCount += 1 } } )
for ( const item of data ) { if ( item . length > 0 ) { filledCount += 1 } }
assert . equal ( filledCount , 3 )
await d . loadDatabaseAsync ( )
@ -276,7 +276,7 @@ describe('Persistence async', function () {
const data2 = ( await fs . readFile ( d . filename , 'utf8' ) ) . split ( '\n' )
filledCount = 0
data2 . forEach ( function ( item ) { if ( item . length > 0 ) { filledCount += 1 } } )
for ( const item of data2 ) { if ( item . length > 0 ) { filledCount += 1 } }
assert . equal ( filledCount , 1 )
} )
@ -422,7 +422,7 @@ describe('Persistence async', function () {
it ( 'Declaring only one hook will throw an exception to prevent data loss' , async ( ) => {
const hookTestFilename = 'workspace/hookTest.db'
await storage . ensureFileDoesntExistAsync ( hookTestFilename )
await ensureFileDoesntExistAsync ( hookTestFilename )
await fs . writeFile ( hookTestFilename , 'Some content' , 'utf8' )
assert . throws ( ( ) => {
// eslint-disable-next-line no-new
@ -449,7 +449,7 @@ describe('Persistence async', function () {
it ( 'Declaring two hooks that are not reverse of one another will cause an exception to prevent data loss' , async ( ) => {
const hookTestFilename = 'workspace/hookTest.db'
await storage . ensureFileDoesntExistAsync ( hookTestFilename )
await ensureFileDoesntExistAsync ( hookTestFilename )
await fs . writeFile ( hookTestFilename , 'Some content' , 'utf8' )
assert . throws ( ( ) => {
// eslint-disable-next-line no-new
@ -467,7 +467,7 @@ describe('Persistence async', function () {
it ( 'Declaring two hooks that are not reverse of one another will not cause exception if options.testSerializationHooks === false' , async ( ) => {
const hookTestFilename = 'workspace/hookTest.db'
await storage . ensureFileDoesntExistAsync ( hookTestFilename )
await ensureFileDoesntExistAsync ( hookTestFilename )
await fs . writeFile ( hookTestFilename , 'Some content' , 'utf8' )
const db = new Datastore ( {
filename : hookTestFilename ,
@ -481,7 +481,7 @@ describe('Persistence async', function () {
it ( 'A serialization hook can be used to transform data before writing new state to disk' , async ( ) => {
const hookTestFilename = 'workspace/hookTest.db'
await storage . ensureFileDoesntExistAsync ( hookTestFilename )
await ensureFileDoesntExistAsync ( hookTestFilename )
const d = new Datastore ( {
filename : hookTestFilename ,
autoload : true ,
@ -549,7 +549,7 @@ describe('Persistence async', function () {
it ( 'Use serialization hook when persisting cached database or compacting' , async ( ) => {
const hookTestFilename = 'workspace/hookTest.db'
await storage . ensureFileDoesntExistAsync ( hookTestFilename )
await ensureFileDoesntExistAsync ( hookTestFilename )
const d = new Datastore ( {
filename : hookTestFilename ,
autoload : true ,
@ -600,7 +600,7 @@ describe('Persistence async', function () {
it ( 'Deserialization hook is correctly used when loading data' , async ( ) => {
const hookTestFilename = 'workspace/hookTest.db'
await storage . ensureFileDoesntExistAsync ( hookTestFilename )
await ensureFileDoesntExistAsync ( hookTestFilename )
const d = new Datastore ( {
filename : hookTestFilename ,
autoload : true ,
@ -656,7 +656,7 @@ describe('Persistence async', function () {
assert . equal ( await exists ( 'workspace/it.db' ) , false )
assert . equal ( await exists ( 'workspace/it.db~' ) , false )
await storage . ensureDatafileIntegrityAsync ( p . filename )
await ensureDatafileIntegrityAsync ( p . filename )
assert . equal ( await exists ( 'workspace/it.db' ) , true )
assert . equal ( await exists ( 'workspace/it.db~' ) , false )
@ -675,7 +675,7 @@ describe('Persistence async', function () {
assert . equal ( await exists ( 'workspace/it.db' ) , true )
assert . equal ( await exists ( 'workspace/it.db~' ) , false )
await storage . ensureDatafileIntegrityAsync ( p . filename )
await ensureDatafileIntegrityAsync ( p . filename )
assert . equal ( await exists ( 'workspace/it.db' ) , true )
assert . equal ( await exists ( 'workspace/it.db~' ) , false )
@ -694,7 +694,7 @@ describe('Persistence async', function () {
assert . equal ( await exists ( 'workspace/it.db' ) , false )
assert . equal ( await exists ( 'workspace/it.db~' ) , true )
await storage . ensureDatafileIntegrityAsync ( p . filename )
await ensureDatafileIntegrityAsync ( p . filename )
assert . equal ( await exists ( 'workspace/it.db' ) , true )
assert . equal ( await exists ( 'workspace/it.db~' ) , false )
@ -715,7 +715,7 @@ describe('Persistence async', function () {
assert . equal ( await exists ( 'workspace/it.db' ) , true )
assert . equal ( await exists ( 'workspace/it.db~' ) , true )
await storage . ensureDatafileIntegrityAsync ( theDb . persistence . filename )
await ensureDatafileIntegrityAsync ( theDb . persistence . filename )
assert . equal ( await exists ( 'workspace/it.db' ) , true )
assert . equal ( await exists ( 'workspace/it.db~' ) , true )
@ -812,8 +812,8 @@ describe('Persistence async', function () {
it ( 'Persistence works as expected when everything goes fine' , async ( ) => {
const dbFile = 'workspace/test2.db'
await storage . ensureFileDoesntExistAsync ( dbFile )
await storage . ensureFileDoesntExistAsync ( dbFile + '~' )
await ensureFileDoesntExistAsync ( dbFile )
await ensureFileDoesntExistAsync ( dbFile + '~' )
const theDb = new Datastore ( { filename : dbFile } )
await theDb . loadDatabaseAsync ( )
@ -872,7 +872,7 @@ describe('Persistence async', function () {
assert ( datafileLength > 5000 )
// Loading it in a separate process that we will crash before finishing the loadDatabase
const child = fork ( 'test_lac/loadAndCrash.test' , [ ] , { stdio : 'inherit' } )
const child = fork ( 'test_lac/loadAndCrash.test.cjs ' , [ ] , { stdio : 'inherit' } )
const [ code ] = await once ( child , 'exit' )
assert . equal ( code , 1 ) // See test_lac/loadAndCrash.test.js
@ -900,7 +900,7 @@ describe('Persistence async', function () {
// Not run on Windows as there is no clean way to set maximum file descriptors. Not an issue as the code itself is tested.
it ( 'Cannot cause EMFILE errors by opening too many file descriptors' , async function ( ) {
this . timeout ( 10000 )
if ( process . platform === 'win32' || process . platform === 'win64' ) { return }
if ( process . platform === 'win32' || process . platform === 'win64' ) { this . skip ( ) }
try {
const { stdout , stderr } = await promisify ( execFile ) ( 'test_lac/openFdsLaunch.sh' )
// The subprocess will not output anything to stdout unless part of the test fails
@ -919,7 +919,7 @@ describe('Persistence async', function () {
describe ( 'ensureFileDoesntExist' , function ( ) {
it ( 'Doesnt do anything if file already doesnt exist' , async ( ) => {
await storage . ensureFileDoesntExistAsync ( 'workspace/nonexisting' )
await ensureFileDoesntExistAsync ( 'workspace/nonexisting' )
assert . equal ( await exists ( 'workspace/nonexisting' ) , false )
} )
@ -927,7 +927,7 @@ describe('Persistence async', function () {
await fs . writeFile ( 'workspace/existing' , 'hello world' , 'utf8' )
assert . equal ( await exists ( 'workspace/existing' ) , true )
await storage . ensureFileDoesntExistAsync ( 'workspace/existing' )
await ensureFileDoesntExistAsync ( 'workspace/existing' )
assert . equal ( await exists ( 'workspace/existing' ) , false )
} )
} ) // ==== End of 'ensureFileDoesntExist' ====
Timothée Rebours
10 months ago