file-stream-rotator/tests/every-second-test.js

Automated stream rotation useful for log files

var moment = require('moment');
// var rotatingLogStream = require('../FileStreamRotator').getStream({filename:"/tmp/testlog-%DATE%.log", frequency:"1m", verbose: true});
// var rotatingLogStream = require('../FileStreamRotator').getStream({filename:"/tmp/testlog-%DATE%.log", frequency:"custom", verbose: true, date_format: "YYYY-MM-DD.HH.mm"});
// var rotatingLogStream = require('../FileStreamRotator').getStream({filename:"/tmp/testlog-%DATE%.log", frequency:"dont-rotate", verbose: true, date_format: "YYYY-MM-DD.HH.mm.ss"});
// var rotatingLogStream = require('../FileStreamRotator').getStream({filename:"/tmp/testlog-%DATE%.log", frequency:"daily", verbose: true, date_format: "YYYYMMDD"});
// var rotatingLogStream = require('../FileStreamRotator').getStream({filename:"/tmp/testlog-%DATE%.log", frequency:"daily", verbose: true});
// var rotatingLogStream = require('../FileStreamRotator').getStream({
var rotatingLogStream = require('../lib/index').default.getStream({
    filename:"logs/1s/testlog-%DATE%.log", 
    frequency:"custom", 
    verbose: true, 
    date_format: "YYYY-MM-DD.HH.mm.ss", 
    size:"50k",
    max_logs: "5", 
    audit_file:"audit-1s.json",
    end_stream: false,
    utc: true,
    extension: ".logs",
    watch_log: true,
    audit_hash_type: 'sha256'
});

rotatingLogStream.on("error",function(err){
    console.log(Date.now(), Date(), "stream error", err)
    process.exit()
})


rotatingLogStream.on("close",function(){
    console.log(Date.now(), Date(), "stream closed")
})

rotatingLogStream.on("finish",function(){
    console.log(Date.now(), Date(), "stream finished")
})

rotatingLogStream.on("rotate",function(oldFile,newFile){
    console.log(Date.now(), Date(), "stream rotated",oldFile,newFile);
})

rotatingLogStream.on("open",function(fd){
    console.log(Date.now(), Date(), "stream open",fd);
})

rotatingLogStream.on("new",function(newFile){
    console.log(Date.now(), Date(), "stream new",newFile);
})

rotatingLogStream.on("addWatcher", function(newLog){
    console.log(Date.now(), Date(), "stream add watcher",newLog);
})

// console.log(rotatingLogStream.on, rotatingLogStream.end, rotatingLogStream)

var counter = 0;
var i = setInterval(function(){
    counter++;
    // rotatingLogStream.write(Date() + "\ttesting 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890-testing 1234567890\n")
    // rotatingLogStream.write(Date() + "ニューバランスの100年を超える長い歴史\n")
    // if(counter == 2000){
    if(counter == 400){
        clearInterval(i);
        console.log(Date() + "\tEND STREAM");
        rotatingLogStream.end("end\n");
        return;
    }

    rotatingLogStream.write(Date() + "\t");
    for(var y = 0; y<400; y++){
        // console.log(i + " ")
        // rotatingLogStream.write(y + ": " + Date.now() + " >> ");
        rotatingLogStream.write("適: " + Date.now() + " >> ");
    }
    rotatingLogStream.write("\n");
}, 10);