mirror of https://gitee.com/bigwinds/arangodb
76 lines
3.0 KiB
JavaScript
76 lines
3.0 KiB
JavaScript
/* global describe, beforeEach, afterEach, it, instanceInfo */
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2016-2016 ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Andreas Streichardt
|
|
/// @author Copyright 2016, ArangoDB GmbH, Cologne, Germany
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
'use strict';
|
|
|
|
const expect = require('chai').expect;
|
|
const internal = require('internal');
|
|
const download = require('internal').download;
|
|
|
|
let coordinator = instanceInfo.arangods.filter(arangod => {
|
|
return arangod.role === 'coordinator';
|
|
})[0];
|
|
|
|
let dbServerCount = instanceInfo.arangods.filter(arangod => {
|
|
return arangod.role === 'dbserver';
|
|
}).length;
|
|
|
|
describe('Shard distribution', function () {
|
|
afterEach(function() {
|
|
internal.db._drop('distributionTest');
|
|
});
|
|
it('should properly distribute a collection', function() {
|
|
internal.db._create('distributionTest', {replicationFactor: 2, numberOfShards: 16});
|
|
internal.print(coordinator.url + '/_admin/cluster/shardDistribution');
|
|
var d = download(coordinator.url + '/_admin/cluster/shardDistribution');
|
|
require('internal').print(d);
|
|
let distribution = JSON.parse(d.body).results;
|
|
|
|
let leaders = Object.keys(distribution.distributionTest.Current).reduce((current, shardKey) => {
|
|
let shard = distribution.distributionTest.Current[shardKey];
|
|
if (current.indexOf(shard.leader) === -1) {
|
|
current.push(shard.leader);
|
|
}
|
|
return current;
|
|
}, []);
|
|
expect(leaders).to.have.length.of.at.least(2);
|
|
});
|
|
it('should properly distribute a collection with full replication factor', function() {
|
|
internal.db._create('distributionTest', {replicationFactor: dbServerCount, numberOfShards: 16});
|
|
internal.print(coordinator.url + '/_admin/cluster/shardDistribution');
|
|
var d = download(coordinator.url + '/_admin/cluster/shardDistribution');
|
|
internal.print(d);
|
|
|
|
let distribution = JSON.parse(d.body).results;
|
|
|
|
let leaders = Object.keys(distribution.distributionTest.Current).reduce((current, shardKey) => {
|
|
let shard = distribution.distributionTest.Current[shardKey];
|
|
if (current.indexOf(shard.leader) === -1) {
|
|
current.push(shard.leader);
|
|
}
|
|
return current;
|
|
}, []);
|
|
expect(leaders).to.have.length.of.at.least(2);
|
|
});
|
|
});
|