orbit-db/test/client.test.js
2016-04-12 20:48:50 +02:00

528 lines
16 KiB
JavaScript

'use strict';
const _ = require('lodash');
const path = require('path');
const assert = require('assert');
const async = require('asyncawait/async');
const await = require('asyncawait/await');
const OrbitClient = require('../src/Client');
// Mute logging
require('log4js').setGlobalLogLevel('ERROR');
// Orbit
const username = 'testrunner';
const password = '';
describe('Orbit Client', function() {
this.timeout(20000);
let client, db;
let channel = 'abcdefgh';
const cacheFile = path.join(process.cwd(), '/test', 'orbit-db-test-cache.json');
before(async((done) => {
client = await(OrbitClient.connect('localhost', 3333, username, password, null, { allowOffline: true }));
db = client.channel(channel, '', false);
db.delete();
done();
}));
after(() => {
if(db) db.delete();
if(client) client.disconnect();
});
describe('Add events', function() {
beforeEach(() => {
db.delete();
});
it('adds an item to an empty channel', async((done) => {
const head = await(db.add('hello'));
assert.notEqual(head, null);
assert.equal(head.startsWith('Qm'), true);
assert.equal(head.length, 46);
done();
}));
it('adds a new item to a channel with one item', async((done) => {
const head = db.iterator().collect();
const second = await(db.add('hello'));
assert.notEqual(second, null);
assert.notEqual(second, head);
assert.equal(second.startsWith('Qm'), true);
assert.equal(second.length, 46);
done();
}));
it('adds five items', async((done) => {
for(let i = 0; i < 5; i ++) {
let hash = await(db.add('hello'));
assert.notEqual(hash, null);
assert.equal(hash.startsWith('Qm'), true);
assert.equal(hash.length, 46);
}
done();
}));
it('adds an item that is > 256 bytes', async((done) => {
let msg = new Buffer(1024);
msg.fill('a')
const hash = await(db.add(msg.toString()));
assert.notEqual(hash, null);
assert.equal(hash.startsWith('Qm'), true);
assert.equal(hash.length, 46);
done();
}));
});
describe('Delete events', function() {
beforeEach(() => {
db.delete();
// const items = db.iterator().collect();
// assert.equal(items.length, 0);
});
it('deletes an item when only one item in the database', async((done) => {
const head = await(db.add('hello1'));
let item = db.iterator().collect();
const delop = await(db.del(head));
const items = db.iterator().collect();
assert.equal(delop.startsWith('Qm'), true);
assert.equal(items.length, 0);
done();
}));
it('deletes an item when two items in the database', async((done) => {
await(db.add('hello1'));
const head = await(db.add('hello2'));
await(db.del(head));
const items = db.iterator().collect();
assert.equal(items.length, 1);
assert.equal(items[0].value, 'hello1');
done();
}));
it('deletes an item between adds', async((done) => {
const head = await(db.add('hello1'));
await(db.add('hello2'));
db.del(head);
await(db.add('hello3'));
const items = db.iterator().collect();
assert.equal(items.length, 1);
assert.equal(items[0].key.startsWith('Qm'), true);
assert.equal(items[0].hash.startsWith('Qm'), true);
assert.equal(items[0].value, 'hello3');
done();
}));
});
describe('Iterator', function() {
let items = [];
const itemCount = 5;
beforeEach(async((done) => {
items = [];
db.delete();
for(let i = 0; i < itemCount; i ++) {
const hash = await(db.add('hello' + i));
items.push(hash);
}
done();
}));
describe('Defaults', function() {
it('returns an iterator', async((done) => {
const iter = db.iterator();
const next = iter.next().value;
assert.notEqual(iter, null);
assert.notEqual(next, null);
done();
}));
it('returns an item with the correct structure', async((done) => {
const iter = db.iterator();
const next = iter.next().value;
assert.notEqual(next, null);
assert.notEqual(next.key, null);
assert.equal(next.key.startsWith('Qm'), true);
assert.equal(next.hash.startsWith('Qm'), true);
assert.equal(next.value, 'hello4');
done();
}));
it('implements Iterator interface', async((done) => {
const iter = db.iterator({ limit: -1 });
let messages = [];
for(let i of iter)
messages.push(i.key);
assert.equal(messages.length, items.length);
done();
}));
it('returns 1 item as default', async((done) => {
const iter = db.iterator();
const first = iter.next().value;
const second = iter.next().value;
assert.equal(first.key, items[items.length - 1]);
assert.equal(second, null);
assert.equal(first.value, 'hello4');
done();
}));
});
describe('Collect', function() {
it('returns all items', async((done) => {
const messages = db.iterator({ limit: -1 }).collect();
assert.equal(messages.length, items.length);
assert.equal(messages[0].value, 'hello0');
assert.equal(messages[messages.length - 1].value, 'hello4');
done();
}));
it('returns 1 item', async((done) => {
const messages = db.iterator().collect();
assert.equal(messages.length, 1);
done();
}));
it('returns 3 items', async((done) => {
const messages = db.iterator({ limit: 3 }).collect();
assert.equal(messages.length, 3);
done();
}));
});
describe('Options: limit', function() {
it('returns 1 item when limit is 0', async((done) => {
const iter = db.iterator({ limit: 1 });
const first = iter.next().value;
const second = iter.next().value;
assert.equal(first.key, _.last(items));
assert.equal(second, null);
done();
}));
it('returns 1 item when limit is 1', async((done) => {
const iter = db.iterator({ limit: 1 });
const first = iter.next().value;
const second = iter.next().value;
assert.equal(first.key, _.last(items));
assert.equal(second, null);
done();
}));
it('returns 3 items', async((done) => {
const iter = db.iterator({ limit: 3 });
const first = iter.next().value;
const second = iter.next().value;
const third = iter.next().value;
const fourth = iter.next().value;
assert.equal(first.key, items[items.length - 3]);
assert.equal(second.key, items[items.length - 2]);
assert.equal(third.key, items[items.length - 1]);
assert.equal(fourth, null);
done();
}));
it('returns all items', async((done) => {
const messages = db.iterator({ limit: -1 })
.collect()
.map((e) => e.key);
messages.reverse();
assert.equal(messages.length, items.length);
assert.equal(messages[0], items[items.length - 1]);
done();
}));
it('returns all items when limit is bigger than -1', async((done) => {
const messages = db.iterator({ limit: -300 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, items.length);
assert.equal(messages[0], items[0]);
done();
}));
it('returns all items when limit is bigger than number of items', async((done) => {
const messages = db.iterator({ limit: 300 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, items.length);
assert.equal(messages[0], items[0]);
done();
}));
});
describe('Options: reverse', function() {
it('returns all items reversed', async((done) => {
const messages = db.iterator({ limit: -1, reverse: true })
.collect()
.map((e) => e.key);
assert.equal(messages.length, items.length);
assert.equal(messages[0], items[0]);
done();
}));
});
describe('Option: ranges', function() {
describe('gt & gte', function() {
it('returns 1 item when gte is the head', async((done) => {
const messages = db.iterator({ gte: _.last(items), limit: -1 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, 1);
assert.equal(messages[0], _.last(items));
done();
}));
it('returns 0 items when gt is the head', async((done) => {
const messages = db.iterator({ gt: _.last(items) }).collect();
assert.equal(messages.length, 0);
done();
}));
it('returns 2 item when gte is defined', async((done) => {
const gte = items[items.length - 2];
const messages = db.iterator({ gte: gte, limit: -1 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, 2);
assert.equal(messages[0], items[items.length - 2]);
assert.equal(messages[1], items[items.length - 1]);
done();
}));
it('returns all items when gte is the root item', async((done) => {
const messages = db.iterator({ gte: items[0], limit: -1 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, items.length);
assert.equal(messages[0], items[0]);
assert.equal(messages[messages.length - 1], _.last(items));
done();
}));
it('returns items when gt is the root item', async((done) => {
const messages = db.iterator({ gt: items[0], limit: -1 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, itemCount - 1);
assert.equal(messages[0], items[1]);
assert.equal(messages[3], _.last(items));
done();
}));
it('returns items when gt is defined', async((done) => {
const messages = db.iterator({ limit: -1})
.collect()
.map((e) => e.key);
const gt = messages[2];
const messages2 = db.iterator({ gt: gt, limit: 100 })
.collect()
.map((e) => e.key);
assert.equal(messages2.length, 2);
assert.equal(messages2[0], messages[messages.length - 2]);
assert.equal(messages2[1], messages[messages.length - 1]);
done();
}));
});
describe('lt & lte', function() {
it('returns one item after head when lt is the head', async((done) => {
const messages = db.iterator({ lt: _.last(items) })
.collect()
.map((e) => e.key);
assert.equal(messages.length, 1);
assert.equal(messages[0], items[items.length - 2]);
done();
}));
it('returns all items when lt is head and limit is -1', async((done) => {
const messages = db.iterator({ lt: _.last(items), limit: -1 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, items.length - 1);
assert.equal(messages[0], items[0]);
assert.equal(messages[messages.length - 1], items[items.length - 2]);
done();
}));
it('returns 3 items when lt is head and limit is 3', async((done) => {
const messages = db.iterator({ lt: _.last(items), limit: 3 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, 3);
assert.equal(messages[0], items[items.length - 4]);
assert.equal(messages[2], items[items.length - 2]);
done();
}));
it('returns null when lt is the root item', async((done) => {
const messages = db.iterator({ lt: items[0] }).collect();
assert.equal(messages.length, 0);
done();
}));
it('returns one item when lte is the root item', async((done) => {
const messages = db.iterator({ lte: items[0] })
.collect()
.map((e) => e.key);
assert.equal(messages.length, 1);
assert.equal(messages[0], items[0]);
done();
}));
it('returns all items when lte is the head', async((done) => {
const messages = db.iterator({ lte: _.last(items), limit: -1 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, itemCount);
assert.equal(messages[0], items[0]);
assert.equal(messages[4], _.last(items));
done();
}));
it('returns 3 items when lte is the head', async((done) => {
const messages = db.iterator({ lte: _.last(items), limit: 3 })
.collect()
.map((e) => e.key);
assert.equal(messages.length, 3);
assert.equal(messages[0], items[items.length - 3]);
assert.equal(messages[1], items[items.length - 2]);
assert.equal(messages[2], _.last(items));
done();
}));
});
});
});
describe('Delete', function() {
it('deletes a channel from the local database', () => {
const result = db.delete();
assert.equal(result, true);
const iter = db.iterator();
assert.equal(iter.next().value, null);
});
});
describe('Key-Value Store', function() {
before(() => {
db.delete();
});
afterEach(() => {
db.delete();
});
it('put', async((done) => {
await(db.put('key1', 'hello!'));
let all = db.iterator().collect();
assert.equal(all.length, 1);
assert.equal(all[0].hash.startsWith('Qm'), true);
assert.equal(all[0].key, 'key1');
assert.notEqual(all[0].meta, null);
done();
}));
it('get', async((done) => {
await(db.put('key1', 'hello!'));
const value = db.get('key1');
assert.equal(value, 'hello!');
done();
}));
it('put updates a value', async((done) => {
await(db.put('key1', 'hello!'));
await(db.put('key1', 'hello again'));
const value = db.get('key1');
assert.equal(value, 'hello again');
done();
}));
it('deletes a key', async((done) => {
await(db.put('key1', 'hello!'));
await(db.del('key1'));
const value = db.get('key1');
assert.equal(value, null);
done();
}));
it('deletes a key after multiple updates', async((done) => {
await(db.put('key1', 'hello1'));
await(db.put('key1', 'hello2'));
await(db.put('key1', 'hello3'));
await(db.del('key1'));
const value = db.get('key1');
assert.equal(value, null);
done();
}));
it('put - multiple keys', async((done) => {
await(db.put('key1', 'hello1'));
await(db.put('key2', 'hello2'));
await(db.put('key3', 'hello3'));
const all = db.iterator().collect();
assert.equal(all.length, 1);
done();
}));
it('get - multiple keys', async((done) => {
await(db.put('key1', 'hello1'));
await(db.put('key2', 'hello2'));
await(db.put('key3', 'hello3'));
const v1 = db.get('key1');
const v2 = db.get('key2');
const v3 = db.get('key3');
assert.equal(v1, 'hello1');
assert.equal(v2, 'hello2');
assert.equal(v3, 'hello3');
done();
}));
it('get - integer value', async((done) => {
await(db.put('key1', 123));
const v1 = db.get('key1');
assert.equal(v1, 123);
done();
}));
it('get - object value', async((done) => {
const val = { one: 'first', two: 2 };
await(db.put('key1', val));
const v1 = db.get('key1');
assert.equal(_.isEqual(v1, val), true);
done();
}));
it('get - array value', async((done) => {
const val = [1, 2, 3, 4, 5];
await(db.put('key1', val));
const v1 = db.get('key1');
assert.equal(_.isEqual(v1, val), true);
done();
}));
});
});