Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/local/lib/node_modules/browserify/node_modules/stream-splicer/test/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

var pipeline = require('../');
var through = require('through2');
var stringify = require('JSONStream').stringify;
var split = require('split');
var concat = require('concat-stream');
var test = require('tape');

test('multiunshift', function (t) {
    t.plan(1);
    
    var a = split();
    var b = through.obj(function (row, enc, next) {
        this.push(JSON.parse(row));
        next();
    });
    var c = through.obj(function (row, enc, next) { this.push(row.x); next() });
    var d = through.obj(function (x, enc, next) { this.push(x * 111); next() });
    var e = stringify();
    
    var stream = pipeline();
    stream.unshift(d, e);
    stream.unshift(a, b, c);
    stream.pipe(concat(function (body) {
        t.deepEqual(body.toString(), '[\n333\n,\n444\n,\n555\n]\n');
    }));
    
    stream.write('{"x":3}\n');
    stream.write('{"x":4}\n');
    stream.write('{"x":5}');
    stream.end();
});