node-bunyan-lite/test/ringbuffer.test.js

39 lines
991 B
JavaScript

/*
* Test the RingBuffer output stream.
*/
var test = require('tap').test;
var Logger = require('../lib/bunyan');
var ringbuffer = new Logger.RingBuffer({ 'limit': 5 });
var log1 = new Logger({
name: 'log1',
streams: [
{
stream: ringbuffer,
type: 'raw',
level: 'info'
}
]
});
test('ringbuffer', function (t) {
log1.info('hello');
log1.trace('there');
log1.error('android');
t.equal(ringbuffer.records.length, 2);
t.equal(ringbuffer.records[0]['msg'], 'hello');
t.equal(ringbuffer.records[1]['msg'], 'android');
log1.error('one');
log1.error('two');
log1.error('three');
t.equal(ringbuffer.records.length, 5);
log1.error('four');
t.equal(ringbuffer.records.length, 5);
t.equal(ringbuffer.records[0]['msg'], 'android');
t.equal(ringbuffer.records[1]['msg'], 'one');
t.equal(ringbuffer.records[2]['msg'], 'two');
t.equal(ringbuffer.records[3]['msg'], 'three');
t.equal(ringbuffer.records[4]['msg'], 'four');
t.end();
});