CSV regex experiments

regex_tests.js

// Kids, this is a bad idea. Don't try this at home.
//
// npm install csv-spectrum
//
 
var CSV_REGEX = /^(([^,"]+)|("([^"]|"")*"))(,(([^,"]+)|("([^"]|"")*")))*$/;
 
var spectrum = require('csv-spectrum'),
    passed = 0,
    failed = 0;

var testEntry = function(entry) {
  var hasFailure = false,
      string = entry.csv.toString();
  
  var lines = string.split("\n");
  
  var testLine = function(line) {
    if(line.match(CSV_REGEX)) {
      passed ++;
    } else {
      if(!hasFailure) {
        displayBanner(entry.name);
        hasFailure = true;
      }

      console.log("Failed:", line);
      failed ++;
    }
  }

  lines.forEach(testLine);

  if(hasFailure) {
    // Print a newline
    console.log();
  }
};

var displayBanner = function(title) {
  console.log(title);
  console.log('----------');
};
 
spectrum(function(err, data) {
  data.forEach(testEntry);
  console.log("Total:", passed + "/" + (passed + failed), "(" + failed, "failed)");
});