ya-csv/test/index.js

CSV parser and generator for Node.js

var util;
try {
  util    = require('util'); 
} catch (e) {
  util = require('sys');
}

var csv    = require('../lib/ya-csv'),
    assert = require('assert');

var testFile = __dirname + '/crazy.csv';
var expectedRows = 7;
var expectedColsPerRow = 4;

var csvInNoOptions = csv.createCsvFileReader(testFile);
var csvIn = csv.createCsvFileReader(testFile, {
    'separator': ',',
    'quote':   '"',
    'comment': '#',
});
var csvOutNoOptions = csv.createCsvFileWriter('/dev/null');
var csvOut = csv.createCsvFileWriter('/dev/null', { 'encoding': 'utf8' });

var lines   = 0;
var columns = 0;

csvIn.addListener('end', function() {
    assert.strictEqual(expectedRows, lines, "Wrong number of records");
    csvOut.close();
});

csvOut.addListener('close', function(){
    console.log('Closed the writer');
});

csvIn.addListener('data', function(data) {
    lines++;
    assert.notStrictEqual(typeof data[data.length - 1], "undefined");
    data.push(1);
    csvOut.writeRecord(data);
    assert.strictEqual(expectedColsPerRow + 1, data.length,
        "Wrong number of fields per record in record #" + lines);
    columns += data.length;
});