mirror of
https://github.com/orbitdb/orbitdb.git
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42885b20a4
Use latest store modules from npm Update README Update docs Update examples Update benchmarks Update dependencies Add Getting Started guide Add new a screenshot Add a new live demo Add persistency tests for snapshot saving/loading and events Add network stress tests (but skip them by default as they're very heavy and lengthy) Add browser benchmarks Add log() alias for eventlog() database Add possibility to create database if it doesn't exist yet Add support for orbitdb addresses Add a test for starting replication when peers connect Add debug build Use IPFS nodeID as default user id Use ipfs-pubsub-room Handle closing of databases properly Handle cache errors Clean up tests, re-organize code files Clean up code style Support for CLI Remove obsolete scripts
353 lines
11 KiB
JavaScript
353 lines
11 KiB
JavaScript
'use strict'
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const assert = require('assert')
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const rmrf = require('rimraf')
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const mapSeries = require('p-map-series')
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const OrbitDB = require('../src/OrbitDB')
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const first = require('./utils/test-utils').first
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const last = require('./utils/test-utils').last
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const config = require('./utils/config')
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const startIpfs = require('./utils/start-ipfs')
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const dbPath = './orbitdb/tests/eventlog'
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const ipfsPath = './orbitdb/tests/eventlog/ipfs'
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describe('orbit-db - Eventlog', function() {
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this.timeout(config.timeout)
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let ipfs, orbitdb1, orbitdb2, db
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before(async () => {
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config.daemon1.repo = ipfsPath
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rmrf.sync(config.daemon1.repo)
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rmrf.sync(dbPath)
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ipfs = await startIpfs(config.daemon1)
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orbitdb1 = new OrbitDB(ipfs, dbPath + '/1')
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orbitdb2 = new OrbitDB(ipfs, dbPath + '/2')
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})
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after(async () => {
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if(orbitdb1)
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orbitdb1.stop()
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if(orbitdb2)
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orbitdb2.stop()
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if (ipfs)
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await ipfs.stop()
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})
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describe('Eventlog', function () {
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it('creates and opens a database', async () => {
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db = await orbitdb1.eventlog('first database')
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db = await orbitdb1.eventlog('first database')
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const items = db.iterator({ limit: -1 }).collect()
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assert.equal(items.length, 0)
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})
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it('returns the added entry\'s hash, 1 entry', async () => {
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db = await orbitdb1.eventlog('first database')
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const hash = await db.add('hello1')
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const items = db.iterator({ limit: -1 }).collect()
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assert.notEqual(hash, null)
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assert.equal(hash, last(items).hash)
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assert.equal(items.length, 1)
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})
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it('returns the added entry\'s hash, 2 entries', async () => {
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const prevHash = db.iterator().collect()[0].hash
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const hash = await db.add('hello2')
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const items = db.iterator({ limit: -1 }).collect()
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assert.equal(items.length, 2)
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assert.notEqual(hash, null)
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assert.notEqual(hash, prevHash)
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assert.equal(hash, last(items).hash)
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})
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it('adds five items', async () => {
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db = await orbitdb1.eventlog('second database')
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await mapSeries([1, 2, 3, 4, 5], (i) => db.add('hello' + i))
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const items = db.iterator({ limit: -1 }).collect()
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assert.equal(items.length, 5)
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assert.equal(first(items.map((f) => f.payload.value)), 'hello1')
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assert.equal(last(items.map((f) => f.payload.value)), 'hello5')
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})
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it('adds an item that is > 256 bytes', async () => {
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db = await orbitdb1.eventlog('third database')
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let msg = new Buffer(1024)
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msg.fill('a')
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const hash = await db.add(msg.toString())
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assert.notEqual(hash, null)
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assert.equal(hash.startsWith('Qm'), true)
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assert.equal(hash.length, 46)
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})
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})
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describe('Iterator', function() {
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let items = []
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const itemCount = 5
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before(async () => {
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items = []
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db = await orbitdb1.eventlog('iterator tests')
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items = await mapSeries([0, 1, 2, 3, 4], (i) => db.add('hello' + i))
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})
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describe('Defaults', function() {
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it('returns an iterator', () => {
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const iter = db.iterator()
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const next = iter.next().value
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assert.notEqual(iter, null)
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assert.notEqual(next, null)
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})
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it('returns an item with the correct structure', () => {
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const iter = db.iterator()
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const next = iter.next().value
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assert.notEqual(next, null)
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assert.equal(next.hash.startsWith('Qm'), true)
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assert.equal(next.payload.key, null)
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assert.equal(next.payload.value, 'hello4')
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})
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it('implements Iterator interface', () => {
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const iter = db.iterator({ limit: -1 })
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let messages = []
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for(let i of iter)
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messages.push(i.key)
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assert.equal(messages.length, items.length)
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})
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it('returns 1 item as default', () => {
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const iter = db.iterator()
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const first = iter.next().value
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const second = iter.next().value
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assert.equal(first.hash, items[items.length - 1])
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assert.equal(second, null)
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assert.equal(first.payload.value, 'hello4')
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})
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it('returns items in the correct order', () => {
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const amount = 3
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const iter = db.iterator({ limit: amount })
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let i = items.length - amount
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for(let item of iter) {
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assert.equal(item.payload.value, 'hello' + i)
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i ++
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}
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})
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})
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describe('Collect', function() {
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it('returns all items', () => {
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const messages = db.iterator({ limit: -1 }).collect()
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assert.equal(messages.length, items.length)
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assert.equal(messages[0].payload.value, 'hello0')
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assert.equal(messages[messages.length - 1].payload.value, 'hello4')
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})
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it('returns 1 item', () => {
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const messages = db.iterator().collect()
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assert.equal(messages.length, 1)
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})
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it('returns 3 items', () => {
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const messages = db.iterator({ limit: 3 }).collect()
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assert.equal(messages.length, 3)
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})
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})
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describe('Options: limit', function() {
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it('returns 1 item when limit is 0', () => {
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const iter = db.iterator({ limit: 1 })
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const first = iter.next().value
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const second = iter.next().value
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assert.equal(first.hash, last(items))
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assert.equal(second, null)
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})
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it('returns 1 item when limit is 1', () => {
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const iter = db.iterator({ limit: 1 })
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const first = iter.next().value
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const second = iter.next().value
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assert.equal(first.hash, last(items))
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assert.equal(second, null)
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})
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it('returns 3 items', () => {
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const iter = db.iterator({ limit: 3 })
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const first = iter.next().value
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const second = iter.next().value
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const third = iter.next().value
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const fourth = iter.next().value
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assert.equal(first.hash, items[items.length - 3])
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assert.equal(second.hash, items[items.length - 2])
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assert.equal(third.hash, items[items.length - 1])
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assert.equal(fourth, null)
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})
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it('returns all items', () => {
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const messages = db.iterator({ limit: -1 })
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.collect()
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.map((e) => e.hash)
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messages.reverse()
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assert.equal(messages.length, items.length)
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assert.equal(messages[0], items[items.length - 1])
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})
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it('returns all items when limit is bigger than -1', () => {
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const messages = db.iterator({ limit: -300 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, items.length)
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assert.equal(messages[0], items[0])
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})
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it('returns all items when limit is bigger than number of items', () => {
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const messages = db.iterator({ limit: 300 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, items.length)
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assert.equal(messages[0], items[0])
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})
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})
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describe('Option: ranges', function() {
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describe('gt & gte', function() {
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it('returns 1 item when gte is the head', () => {
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const messages = db.iterator({ gte: last(items), limit: -1 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, 1)
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assert.equal(messages[0], last(items))
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})
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it('returns 0 items when gt is the head', () => {
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const messages = db.iterator({ gt: last(items) }).collect()
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assert.equal(messages.length, 0)
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})
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it('returns 2 item when gte is defined', () => {
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const gte = items[items.length - 2]
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const messages = db.iterator({ gte: gte, limit: -1 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, 2)
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assert.equal(messages[0], items[items.length - 2])
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assert.equal(messages[1], items[items.length - 1])
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})
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it('returns all items when gte is the root item', () => {
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const messages = db.iterator({ gte: items[0], limit: -1 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, items.length)
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assert.equal(messages[0], items[0])
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assert.equal(messages[messages.length - 1], last(items))
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})
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it('returns items when gt is the root item', () => {
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const messages = db.iterator({ gt: items[0], limit: -1 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, itemCount - 1)
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assert.equal(messages[0], items[1])
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assert.equal(messages[3], last(items))
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})
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it('returns items when gt is defined', () => {
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const messages = db.iterator({ limit: -1})
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.collect()
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.map((e) => e.hash)
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const gt = messages[2]
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const messages2 = db.iterator({ gt: gt, limit: 100 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages2.length, 2)
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assert.equal(messages2[0], messages[messages.length - 2])
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assert.equal(messages2[1], messages[messages.length - 1])
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})
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})
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describe('lt & lte', function() {
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it('returns one item after head when lt is the head', () => {
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const messages = db.iterator({ lt: last(items) })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, 1)
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assert.equal(messages[0], items[items.length - 2])
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})
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it('returns all items when lt is head and limit is -1', () => {
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const messages = db.iterator({ lt: last(items), limit: -1 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, items.length - 1)
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assert.equal(messages[0], items[0])
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assert.equal(messages[messages.length - 1], items[items.length - 2])
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})
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it('returns 3 items when lt is head and limit is 3', () => {
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const messages = db.iterator({ lt: last(items), limit: 3 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, 3)
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assert.equal(messages[0], items[items.length - 4])
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assert.equal(messages[2], items[items.length - 2])
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})
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it('returns null when lt is the root item', () => {
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const messages = db.iterator({ lt: items[0] }).collect()
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assert.equal(messages.length, 0)
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})
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it('returns one item when lte is the root item', () => {
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const messages = db.iterator({ lte: items[0] })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, 1)
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assert.equal(messages[0], items[0])
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})
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it('returns all items when lte is the head', () => {
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const messages = db.iterator({ lte: last(items), limit: -1 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, itemCount)
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assert.equal(messages[0], items[0])
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assert.equal(messages[4], last(items))
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})
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it('returns 3 items when lte is the head', () => {
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const messages = db.iterator({ lte: last(items), limit: 3 })
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.collect()
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.map((e) => e.hash)
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assert.equal(messages.length, 3)
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assert.equal(messages[0], items[items.length - 3])
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assert.equal(messages[1], items[items.length - 2])
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assert.equal(messages[2], last(items))
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})
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})
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})
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})
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})
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