pm2/test/interface/aggregator.mocha.js
2017-03-30 12:22:17 +02:00

240 lines
8.2 KiB
JavaScript

process.env.DEBUG='pm2:aggregator';
var should = require('should');
var Aggregator = require('../../lib/Interactor/TransactionAggregator.js');
var Utility = require('../../lib/Interactor/Utility.js');
var Plan = require('../helpers/plan.js');
var TraceFactory = require('./misc/trace_factory.js');
var TraceMock = require('./misc/trace.json');
var path = require('path');
var fs = require('fs');
describe('Transactions Aggregator', function() {
var aggregator;
var stackParser;
it('should instanciate context cache', function() {
var cache = new Utility.Cache({
miss: function (key) {
try {
var content = fs.readFileSync(path.resolve(key));
return content.toString().split(/\r?\n/);
} catch (err) {
return undefined;
}
}
})
stackParser = new Utility.StackTraceParser({ cache: cache, context: 2});
});
it('should instanciate aggregator', function() {
aggregator = new Aggregator({ stackParser: stackParser});
});
describe('.censorSpans', function() {
var trace = TraceFactory.generateTrace('/yoloswag/swag', 2);
it('should not fail', function() {
aggregator.censorSpans(null);
});
it('should censor span', function() {
should.exist(trace.spans[1].labels.results);
aggregator.censorSpans(trace.spans);
should.not.exist(trace.spans[1].labels.results);
trace.spans[1].labels.cmd.should.containEql('?');
});
});
describe('.isIdentifier', function() {
it('should be an identifier (api version)', function() {
aggregator.isIdentifier('v1').should.equal(true);
});
it('should be an identifier (number)', function() {
aggregator.isIdentifier('123').should.equal(true);
});
it('should be an identifier (random str)', function() {
aggregator.isIdentifier('65f4ez656').should.equal(true);
});
it('should be an identifier (uuid)', function() {
aggregator.isIdentifier('123e4567-e89b-12d3-a456-426655440000').should.equal(true);
aggregator.isIdentifier('123e4567e89b12d3a456426655440000').should.equal(true);
});
it('should be an identifier', function() {
aggregator.isIdentifier('toto-toto-tooa').should.equal(true);
aggregator.isIdentifier('toto@toto.fr').should.equal(true);
aggregator.isIdentifier('toto@toto.fr').should.equal(true);
aggregator.isIdentifier('fontawesome-webfont.eot').should.equal(true);
aggregator.isIdentifier('life_is_just_fantasy').should.equal(true);
aggregator.isIdentifier('OR-IS_THIS-REAL_LIFE').should.equal(true);
});
it('should be NOT an identifier', function() {
aggregator.isIdentifier('bucket').should.equal(false);
aggregator.isIdentifier('admin').should.equal(false);
aggregator.isIdentifier('auth').should.equal(false);
aggregator.isIdentifier('users').should.equal(false);
aggregator.isIdentifier('version').should.equal(false);
});
});
describe('.matchPath - aggregate', function() {
var routes = {
'bucket/6465577': { spans: true }
};
it('should not fail', function() {
aggregator.matchPath();
aggregator.matchPath('/');
aggregator.matchPath('/', {});
aggregator.matchPath('/', {
'/' : {}
});
});
it('should match first route', function() {
var match = aggregator.matchPath('bucket/67754', routes);
should.exist(match);
match.should.be.a.String();
match.should.equal('bucket/*');
should.exist(routes['bucket/*'])
});
it('should NOT match any route', function() {
should.not.exist(aggregator.matchPath('toto/67754', routes));
});
it('should match aggregated route with *', function() {
var match = aggregator.matchPath('bucket/87998', routes);
should.exist(match);
match.should.be.a.String();
match.should.equal('bucket/*');
should.exist(routes['bucket/*'])
});
});
describe('merging trace together', function() {
var trace = TraceFactory.generateTrace('yoloswag/swag', 2);
var ROUTES = {
'yoloswag/swag': {}
};
it('should not fail', function() {
aggregator.mergeTrace()
aggregator.mergeTrace(null, trace)
aggregator.mergeTrace({}, trace)
aggregator.mergeTrace({})
});
it('should add a trace', function() {
aggregator.mergeTrace(ROUTES['yoloswag/swag'], trace)
ROUTES['yoloswag/swag'].meta.histogram.getCount().should.be.equal(1);
ROUTES['yoloswag/swag'].variances.length.should.be.equal(1);
ROUTES['yoloswag/swag'].variances[0].spans.length.should.be.equal(3);
});
it('should merge with the first variance', function() {
aggregator.mergeTrace(ROUTES['yoloswag/swag'], trace);
ROUTES['yoloswag/swag'].variances.length.should.be.equal(1);
ROUTES['yoloswag/swag'].variances[0].histogram.getCount().should.be.equal(2);
});
it('should merge as a new variance with the same route', function () {
var trace2 = TraceFactory.generateTrace('yoloswag/swag', 3)
trace2.spans.forEach(function (span) {
span.min = span.max = span.mean = Math.round(new Date(span.endTime) - new Date(span.startTime));
})
aggregator.mergeTrace(ROUTES['yoloswag/swag'], trace2);
ROUTES['yoloswag/swag'].meta.histogram.getCount().should.be.equal(3);
ROUTES['yoloswag/swag'].variances.length.should.be.equal(2);
ROUTES['yoloswag/swag'].variances[0].histogram.getCount().should.be.equal(2);
ROUTES['yoloswag/swag'].variances[1].histogram.getCount().should.be.equal(1);
ROUTES['yoloswag/swag'].variances[1].spans.length.should.be.equal(4);
});
});
describe('.aggregate', function() {
it('should not fail', function() {
var dt = aggregator.aggregate(null);
should(dt).be.false();
});
it('should aggregate', function() {
// Simulate some data
var packet = TraceFactory.generatePacket('yoloswag/swag', 'appname');
aggregator.aggregate(packet);
packet = TraceFactory.generatePacket('yoloswag/swag', 'appname');
aggregator.aggregate(packet);
packet = TraceFactory.generatePacket('yoloswag/swag', 'appname');
aggregator.aggregate(packet);
packet = TraceFactory.generatePacket('sisi/aight', 'appname');
aggregator.aggregate(packet);
packet = TraceFactory.generatePacket('sisi/aight', 'APP2');
aggregator.aggregate(packet);
var agg = aggregator.getAggregation();
// should get 2 apps in agg
should.exist(agg['appname']);
should.exist(agg['APP2']);
// should contain 2 routes for appname
Object.keys(agg['appname'].routes).length.should.eql(2);
should.exist(agg['appname'].process);
agg['appname'].meta.trace_count.should.eql(4);
should.exist(agg['appname'].meta.histogram.percentiles([0.5])[0.5]);
// should pm_id not taken into account
should.not.exist(agg['appname'].process.pm_id);
});
});
describe('.normalizeAggregation', function() {
it('should get normalized aggregattion', function(done) {
var ret = aggregator.prepareAggregationforShipping();
should.exist(ret['appname'].process.server);
should.exist(ret['APP2'].process.server);
done();
});
});
describe('.resetAggregation and .clearData', function() {
it('should get transactions', function() {
var cache = aggregator.getAggregation();
Object.keys(cache).length.should.eql(2);
});
it('should .resetAggregation for "appname" app', function() {
var cache = aggregator.getAggregation();
cache['appname'].meta.trace_count.should.eql(4);
Object.keys(cache['appname'].routes).length.should.eql(2);
aggregator.resetAggregation('appname', {})
cache = aggregator.getAggregation();
Object.keys(cache).length.should.eql(2);
cache['appname'].meta.trace_count.should.eql(0);
Object.keys(cache['appname'].routes).length.should.eql(0);
});
it('should .clearData', function() {
var cache = aggregator.getAggregation();
cache['APP2'].meta.trace_count.should.eql(1);
Object.keys(cache['APP2'].routes).length.should.eql(1);
aggregator.clearData();
cache = aggregator.getAggregation();
cache['APP2'].meta.trace_count.should.eql(0);
Object.keys(cache['APP2'].routes).length.should.eql(0);
});
});
});