147 lines
3.6 KiB
JavaScript
147 lines
3.6 KiB
JavaScript
/*
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* Test some `<Logger>.child(...)` behaviour.
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*/
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import { Eltro as t, assert} from 'eltro'
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import bunyan from '../lib/bunyan.mjs'
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function CapturingStream(recs) {
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this.recs = recs || [];
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}
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CapturingStream.prototype.write = function (rec) {
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this.recs.push(rec);
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}
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t.test('child can add stream', function () {
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let dadStream = new CapturingStream();
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let dad = bunyan.createLogger({
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name: 'surname',
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streams: [ {
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type: 'raw',
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stream: dadStream,
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level: 'info'
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} ]
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});
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let sonStream = new CapturingStream();
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let son = dad.child({
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component: 'son',
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streams: [ {
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type: 'raw',
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stream: sonStream,
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level: 'debug'
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} ]
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});
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dad.info('info from dad');
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dad.debug('debug from dad');
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son.debug('debug from son');
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let rec;
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assert.equal(dadStream.recs.length, 1);
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rec = dadStream.recs[0];
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assert.equal(rec.msg, 'info from dad');
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assert.equal(sonStream.recs.length, 1);
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rec = sonStream.recs[0];
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assert.equal(rec.msg, 'debug from son');
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});
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t.test('child can set level of inherited streams', function () {
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let dadStream = new CapturingStream();
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let dad = bunyan.createLogger({
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name: 'surname',
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streams: [ {
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type: 'raw',
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stream: dadStream,
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level: 'info'
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} ]
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});
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// Intention here is that the inherited `dadStream` logs at 'debug' level
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// for the son.
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let son = dad.child({
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component: 'son',
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level: 'debug'
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});
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dad.info('info from dad');
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dad.debug('debug from dad');
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son.debug('debug from son');
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let rec;
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assert.equal(dadStream.recs.length, 2);
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rec = dadStream.recs[0];
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assert.equal(rec.msg, 'info from dad');
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rec = dadStream.recs[1];
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assert.equal(rec.msg, 'debug from son');
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});
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t.test('child can set level of inherited streams and add streams', function () {
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let dadStream = new CapturingStream();
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let dad = bunyan.createLogger({
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name: 'surname',
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streams: [ {
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type: 'raw',
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stream: dadStream,
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level: 'info'
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} ]
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});
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// Intention here is that the inherited `dadStream` logs at 'debug' level
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// for the son.
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let sonStream = new CapturingStream();
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let son = dad.child({
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component: 'son',
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level: 'trace',
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streams: [ {
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type: 'raw',
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stream: sonStream,
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level: 'debug'
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} ]
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});
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dad.info('info from dad');
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dad.trace('trace from dad');
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son.trace('trace from son');
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son.debug('debug from son');
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assert.equal(dadStream.recs.length, 3);
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assert.equal(dadStream.recs[0].msg, 'info from dad');
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assert.equal(dadStream.recs[1].msg, 'trace from son');
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assert.equal(dadStream.recs[2].msg, 'debug from son');
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assert.equal(sonStream.recs.length, 1);
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assert.equal(sonStream.recs[0].msg, 'debug from son');
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});
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// issue #291
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t.test('child should not lose parent "hostname"', function () {
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let stream = new CapturingStream();
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let dad = bunyan.createLogger({
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name: 'hostname-test',
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hostname: 'bar0',
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streams: [ {
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type: 'raw',
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stream: stream,
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level: 'info'
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} ]
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});
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let son = dad.child({component: 'son'});
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dad.info('HI');
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son.info('hi');
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assert.equal(stream.recs.length, 2);
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assert.equal(stream.recs[0].hostname, 'bar0');
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assert.equal(stream.recs[1].hostname, 'bar0');
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assert.equal(stream.recs[1].component, 'son');
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});
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