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test.js
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test.js
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var bodyParser = require('body-parser');
var bunyan = require('bunyan');
var bunyanRequest = require('./');
var http = require('http');
var request = require('supertest');
var test = require('tape');
var packageVersion = require('./package.json').version;
var parseJson = bodyParser.json();
var port;
var userAgent = 'bunyan-request/' + packageVersion;
var logger;
var requestLogger;
var server = http.createServer(function serve(req, res) {
parseJson(req, res, function next() {
requestLogger(req, res, function next() {
req.log.info('Hello specialized!');
res.end('ok');
});
});
});
server.on('listening', function() {
port = this.address().port;
});
request = request(server);
test('request, response', function(t) {
var output = [];
reset(output);
t.plan(6);
request
.get('/')
.set('user-agent', userAgent)
.expect(200)
.end(function gotResponse(err, res) {
var requestLog = output[0];
var responseLog = output[2];
t.error(err, 'received a response from server');
t.ok(requestLog.id, 'a request `id` was set');
t.equal(requestLog.id, responseLog.id, 'request and response id are the same');
t.equal(res.header['x-request-id'], requestLog.id, 'response header `x-request-id` was set');
t.equal(requestLog.type, 'request', 'log type set to `request`');
t.deepEqual(requestLog.req, {
method: 'GET',
url: '/',
headers: {
host: '127.0.0.1:' + port,
'accept-encoding': 'gzip, deflate',
'user-agent': userAgent,
'connection': 'close'
},
remoteAddress: '::ffff:127.0.0.1',
remotePort: requestLog.req.remotePort
}, 'request log have the right `req` property');
});
});
test('specialized log', function(t) {
var output = [];
reset(output);
t.plan(4);
request
.get('/')
.set('x-request-id', '4000')
.expect(200)
.end(function gotResponse(err) {
var specializedLog = output[1];
t.error(err, 'received a response from server');
t.equal(specializedLog.msg, 'Hello specialized!');
t.equal(specializedLog.id, '4000');
t.equal(specializedLog.type, 'request');
});
});
test('existing `x-request-id`', function(t) {
var output = [];
reset(output);
t.plan(2);
request
.get('/')
.set('x-request-id', '9000')
.expect(200)
.end(function gotResponse(err, res) {
t.error(err, 'received a response from server');
t.equal(res.header['x-request-id'], '9000');
});
});
test('specifying `headerName`', function(t) {
var output = [];
reset(output, {headerName: 'x-carrot-id'});
t.plan(2);
request
.get('/')
.set('x-carrot-id', '13000')
.expect(200)
.end(function gotResponse(err, res) {
t.error(err, 'received a response from server');
t.equal(res.header['x-carrot-id'], '13000');
});
});
test('duration', function(t) {
var output = [];
reset(output);
t.plan(3);
request
.get('/')
.expect(200)
.end(function gotResponse(err) {
var responseLog = output[2];
t.error(err, 'received a response from server');
t.equal(typeof responseLog.duration, 'number', '`duration` was set');
t.ok(responseLog.duration >= 0, 'duration is >= 0');
});
});
test('request body', function(t) {
var output = [];
reset(output, {headerName: 'x-carrot-id'});
t.plan(2);
request
.post('/')
.send({
some: 'json',
data: 'already'
})
.expect(200)
.end(function gotResponse(err) {
var requestLog = output[0];
t.error(err, 'received a response from server');
t.deepEqual(requestLog.body, {
some: 'json',
data: 'already'
}, 'req.body was logged');
});
});
function reset(output, opts) {
logger = bunyan.createLogger({
name: 'test',
streams: [{
stream: new CapturingStream(output),
type: 'raw'
}]
});
opts = opts || {};
opts.logger = logger;
requestLogger = bunyanRequest(opts);
}
function CapturingStream(recs) {
this.recs = recs;
}
CapturingStream.prototype.write = function (rec) {
this.recs.push(rec);
};