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

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/*
* Copyright (c) 2012 Trent Mick. All rights reserved.
* Copyright (c) 2012 Joyent Inc. All rights reserved.
*
* Test logging with (accidental) usage of buffers.
*/
var util = require('util'),
inspect = util.inspect,
format = util.format;
var test = require('tap').test;
var bunyan = require('../lib/bunyan');
function Catcher() {
this.records = [];
}
Catcher.prototype.write = function (record) {
this.records.push(record);
}
var catcher = new Catcher();
var log = new bunyan.createLogger({
name: 'buffer.test',
streams: [
{
type: 'raw',
stream: catcher,
level: 'trace'
}
]
});
test('log.info(BUFFER)', function (t) {
var b = new Buffer('foo');
['trace', 'debug', 'info', 'warn', 'error', 'fatal'].forEach(function (lvl) {
log[lvl].call(log, b);
var rec = catcher.records[catcher.records.length - 1];
t.equal(rec.msg, inspect(b),
format('log.%s msg is inspect(BUFFER)', lvl));
t.ok(rec["0"] === undefined,
'no "0" array index key in record: ' + inspect(rec["0"]));
t.ok(rec["parent"] === undefined,
'no "parent" array index key in record: ' + inspect(rec["parent"]));
log[lvl].call(log, b, 'bar');
var rec = catcher.records[catcher.records.length - 1];
t.equal(rec.msg, inspect(b) + ' bar',
format('log.%s(BUFFER, "bar") msg is inspect(BUFFER) + " bar"', lvl));
});
t.end();
});
//test('log.info({buf: BUFFER})', function (t) {
// var b = new Buffer('foo');
//
// // Really there isn't much Bunyan can do here. See
// // <https://github.com/joyent/node/issues/3905>. An unwelcome hack would
// // be to monkey-patch in Buffer.toJSON. Bletch.
// log.info({buf: b}, 'my message');
// var rec = catcher.records[catcher.records.length - 1];
//
// t.end();
//});