orbitdb/test/replicate.test.js
2023-02-16 11:07:13 +02:00

414 lines
15 KiB
JavaScript

// import assert from 'assert'
// import mapSeries from 'p-each-series'
// import rmrf from 'rimraf'
// import OrbitDB from '../src/OrbitDB.js'
// // Include test utilities
// import {
// config,
// startIpfs,
// stopIpfs,
// testAPIs,
// connectPeers,
// waitForPeers,
// } from 'orbit-db-test-utils'
// const orbitdbPath1 = './orbitdb/tests/replication/1'
// const orbitdbPath2 = './orbitdb/tests/replication/2'
// const dbPath1 = './orbitdb/tests/replication/1/db1'
// const dbPath2 = './orbitdb/tests/replication/2/db2'
// Object.keys(testAPIs).forEach(API => {
// describe(`orbit-db - Replication (${API})`, function() {
// this.timeout(config.timeout * 2)
// let ipfsd1, ipfsd2, ipfs1, ipfs2
// let orbitdb1, orbitdb2, db1, db2
// let timer
// let options
// before(async () => {
// ipfsd1 = await startIpfs(API, config.daemon1)
// ipfsd2 = await startIpfs(API, config.daemon2)
// ipfs1 = ipfsd1.api
// ipfs2 = ipfsd2.api
// // Connect the peers manually to speed up test times
// const isLocalhostAddress = (addr) => addr.toString().includes('127.0.0.1')
// await connectPeers(ipfs1, ipfs2, { filter: isLocalhostAddress })
// console.log("Peers connected")
// })
// after(async () => {
// if (ipfsd1)
// await stopIpfs(ipfsd1)
// if (ipfsd2)
// await stopIpfs(ipfsd2)
// })
// beforeEach(async () => {
// clearInterval(timer)
// rmrf.sync(orbitdbPath1)
// rmrf.sync(orbitdbPath2)
// rmrf.sync(dbPath1)
// rmrf.sync(dbPath2)
// orbitdb1 = await OrbitDB.createInstance(ipfs1, { directory: orbitdbPath1 })
// orbitdb2 = await OrbitDB.createInstance(ipfs2, { directory: orbitdbPath2 })
// options = {
// // Set write access for both clients
// accessController: {
// write: [
// orbitdb1.identity.id,
// orbitdb2.identity.id
// ]
// }
// }
// options = Object.assign({}, options, { directory: dbPath1 })
// db1 = await orbitdb1.eventlog('replication-tests', options)
// })
// afterEach(async () => {
// clearInterval(timer)
// options = {}
// if (db1)
// await db1.drop()
// if (db2)
// await db2.drop()
// if(orbitdb1)
// await orbitdb1.stop()
// if(orbitdb2)
// await orbitdb2.stop()
// })
// it('replicates database of 1 entry', async () => {
// console.log("Waiting for peers to connect")
// await waitForPeers(ipfs2, [orbitdb1.id], db1.address.toString())
// // Set 'sync' flag on. It'll prevent creating a new local database and rather
// // fetch the database from the network
// options = Object.assign({}, options, { directory: dbPath2, sync: true })
// db2 = await orbitdb2.eventlog(db1.address.toString(), options)
// let finished = false
// await db1.add('hello')
// return new Promise(resolve => {
// let replicatedEventCount = 0
// db2.events.on('replicated', (address, length) => {
// replicatedEventCount++
// // Once db2 has finished replication, make sure it has all elements
// // and process to the asserts below
// const all = db2.iterator({ limit: -1 }).collect().length
// finished = (all === 1)
// })
// timer = setInterval(() => {
// if (finished) {
// clearInterval(timer)
// const entries = db2.iterator({ limit: -1 }).collect()
// assert.equal(entries.length, 1)
// assert.equal(entries[0].payload.value, 'hello')
// assert.equal(replicatedEventCount, 1)
// resolve()
// }
// }, 100)
// })
// })
// it('replicates database of 100 entries', async () => {
// console.log("Waiting for peers to connect")
// await waitForPeers(ipfs2, [orbitdb1.id], db1.address.toString())
// options = Object.assign({}, options, { directory: dbPath2, sync: true })
// db2 = await orbitdb2.eventlog(db1.address.toString(), options)
// let finished = false
// const entryCount = 100
// const entryArr = []
// for (let i = 0; i < entryCount; i ++)
// entryArr.push(i)
// return new Promise(async (resolve, reject) => {
// db2.events.on('replicated', () => {
// // Once db2 has finished replication, make sure it has all elements
// // and process to the asserts below
// const all = db2.iterator({ limit: -1 }).collect().length
// finished = (all === entryCount)
// })
// try {
// const add = i => db1.add('hello' + i)
// await mapSeries(entryArr, add)
// } catch (e) {
// reject(e)
// }
// timer = setInterval(() => {
// if (finished) {
// clearInterval(timer)
// const entries = db2.iterator({ limit: -1 }).collect()
// assert.equal(entries.length, entryCount)
// assert.equal(entries[0].payload.value, 'hello0')
// assert.equal(entries[entries.length - 1].payload.value, 'hello99')
// resolve()
// }
// }, 100)
// })
// })
// it('emits correct replication info', async () => {
// console.log("Waiting for peers to connect")
// await waitForPeers(ipfs2, [orbitdb1.id], db1.address.toString())
// options = Object.assign({}, options, { directory: dbPath2, sync: true })
// db2 = await orbitdb2.eventlog(db1.address.toString(), options)
// let finished = false
// const entryCount = 99
// return new Promise(async (resolve, reject) => {
// // Test that none of the entries gets into the replication queue twice
// const replicateSet = new Set()
// db2.events.on('replicate', (address, entry) => {
// if (!replicateSet.has(entry.hash)) {
// replicateSet.add(entry.hash)
// } else {
// reject(new Error('Shouldn\'t have started replication twice for entry ' + entry.hash + '\n' + entry.payload.value))
// }
// })
// // Verify that progress count increases monotonically by saving
// // each event's current progress into an array
// const progressEvents = []
// db2.events.on('replicate.progress', () => {
// progressEvents.push(db2.replicationStatus.progress)
// })
// db2.events.on('replicated', (address, length) => {
// // Once db2 has finished replication, make sure it has all elements
// // and process to the asserts below
// const all = db2.iterator({ limit: -1 }).collect().length
// finished = (all === entryCount)
// })
// try {
// timer = setInterval(() => {
// if (finished) {
// clearInterval(timer)
// // All entries should be in the database
// assert.equal(db2.iterator({ limit: -1 }).collect().length, entryCount)
// // progress events should increase monotonically
// assert.equal(progressEvents.length, entryCount)
// for (const [idx, e] of progressEvents.entries()) {
// assert.equal(e, idx + 1)
// }
// // Verify replication status
// assert.equal(db2.replicationStatus.progress, entryCount)
// assert.equal(db2.replicationStatus.max, entryCount)
// // Verify replicator state
// assert.equal(db2._replicator.tasksRunning, 0)
// assert.equal(db2._replicator.tasksQueued, 0)
// assert.equal(db2._replicator.unfinished.length, 0)
// // Replicator's internal caches should be empty
// assert.equal(db2._replicator._logs.length, 0)
// assert.equal(Object.keys(db2._replicator._fetching).length, 0)
// resolve()
// }
// }, 1000)
// } catch (e) {
// reject(e)
// }
// // Trigger replication
// let adds = []
// for (let i = 0; i < entryCount; i ++) {
// adds.push(i)
// }
// await mapSeries(adds, i => db1.add('hello ' + i))
// })
// })
// it('emits correct replication info on fresh replication', async () => {
// return new Promise(async (resolve, reject) => {
// let finished = false
// const entryCount = 512
// // Trigger replication
// const adds = []
// for (let i = 0; i < entryCount; i ++) {
// adds.push(i)
// }
// const add = async (i) => {
// process.stdout.write("\rWriting " + (i + 1) + " / " + entryCount + " ")
// await db1.add('hello ' + i)
// }
// await mapSeries(adds, add)
// console.log()
// // Open second instance again
// options = {
// directory: dbPath2,
// overwrite: true,
// sync: true,
// }
// db2 = await orbitdb2.eventlog(db1.address.toString(), options)
// // Test that none of the entries gets into the replication queue twice
// const replicateSet = new Set()
// db2.events.on('replicate', (address, entry) => {
// if (!replicateSet.has(entry.hash)) {
// replicateSet.add(entry.hash)
// } else {
// reject(new Error('Shouldn\'t have started replication twice for entry ' + entry.hash))
// }
// })
// // Verify that progress count increases monotonically by saving
// // each event's current progress into an array
// const progressEvents = []
// db2.events.on('replicate.progress', (address, hash, entry) => {
// progressEvents.push(db2.replicationStatus.progress)
// })
// let replicatedEventCount = 0
// db2.events.on('replicated', (address, length) => {
// replicatedEventCount++
// // Once db2 has finished replication, make sure it has all elements
// // and process to the asserts below
// const all = db2.iterator({ limit: -1 }).collect().length
// finished = (all === entryCount)
// })
// timer = setInterval(async () => {
// if (finished) {
// clearInterval(timer)
// try {
// // All entries should be in the database
// assert.equal(db2.iterator({ limit: -1 }).collect().length, entryCount)
// // 'replicated' event should've been received only once
// assert.equal(replicatedEventCount, 1)
// // progress events should increase monotonically
// assert.equal(progressEvents.length, entryCount)
// for (const [idx, e] of progressEvents.entries()) {
// assert.equal(e, idx + 1)
// }
// // Verify replication status
// assert.equal(db2.replicationStatus.progress, entryCount)
// assert.equal(db2.replicationStatus.max, entryCount)
// // Verify replicator state
// assert.equal(db2._replicator.tasksRunning, 0)
// assert.equal(db2._replicator.tasksQueued, 0)
// assert.equal(db2._replicator.unfinished.length, 0)
// // Replicator's internal caches should be empty
// assert.equal(db2._replicator._logs.length, 0)
// assert.equal(Object.keys(db2._replicator._fetching).length, 0)
// resolve()
// } catch (e) {
// reject(e)
// }
// }
// }, 100)
// })
// })
// it('emits correct replication info in two-way replication', async () => {
// return new Promise(async (resolve, reject) => {
// console.log("Waiting for peers to connect")
// await waitForPeers(ipfs2, [orbitdb1.id], db1.address.toString())
// let finished = false
// const entryCount = 100
// // Trigger replication
// const adds = []
// for (let i = 0; i < entryCount; i ++) {
// adds.push(i)
// }
// const add = async (i) => {
// process.stdout.write("\rWriting " + (i + 1) + " / " + entryCount + " ")
// await Promise.all([db1.add('hello-1-' + i), db2.add('hello-2-' + i)])
// }
// // Open second instance again
// let options = {
// directory: dbPath2 + '2',
// overwrite: true,
// sync: true,
// }
// db2 = await orbitdb2.eventlog(db1.address.toString(), options)
// assert.equal(db1.address.toString(), db2.address.toString())
// // Test that none of the entries gets into the replication queue twice
// const replicateSet = new Set()
// db2.events.on('replicate', (address, entry) => {
// if (!replicateSet.has(entry.hash)) {
// replicateSet.add(entry.hash)
// } else {
// reject(new Error('Shouldn\'t have started replication twice for entry ' + entry.hash))
// }
// })
// db2.events.on('replicated', (address, length) => {
// // Once db2 has finished replication, make sure it has all elements
// // and process to the asserts below
// const all = db2.iterator({ limit: -1 }).collect().length
// finished = (all === entryCount * 2)
// })
// try {
// await mapSeries(adds, add)
// console.log()
// timer = setInterval(() => {
// if (finished) {
// clearInterval(timer)
// // Database values should match
// const values1 = db1.iterator({limit: -1}).collect()
// const values2 = db2.iterator({limit: -1}).collect()
// assert.equal(values1.length, values2.length)
// assert.deepEqual(values1, values2)
// // All entries should be in the database
// assert.equal(values1.length, entryCount * 2)
// assert.equal(values2.length, entryCount * 2)
// // Verify replication status
// assert.equal(db2.replicationStatus.progress, entryCount * 2)
// assert.equal(db2.replicationStatus.max, entryCount * 2)
// // Verify replicator state
// assert.equal(db2._replicator.tasksRunning, 0)
// assert.equal(db2._replicator.tasksQueued, 0)
// assert.equal(db2._replicator.unfinished.length, 0)
// // Replicator's internal caches should be empty
// assert.equal(db2._replicator._logs.length, 0)
// assert.equal(Object.keys(db2._replicator._fetching).length, 0)
// resolve()
// }
// }, 500)
// } catch (e) {
// reject(e)
// }
// })
// })
// })
// })