api-bdd-test/lib/first-line.js

use the bdd(cucumber) to test the RESTfull API

(function() {
  var fs;

  fs = require('fs');

  module.exports = function(aFileName, encoding) {
    var buffer, bufread, bufsize, data, eof, fd, i, position, readbuf;
    bufsize = 1024;
    buffer = new Buffer(bufsize);
    bufread = 0;
    fd = fs.openSync(aFileName, 'r');
    position = 0;
    eof = false;
    data = '';
    encoding = encoding || 'utf8';
    readbuf = function() {
      bufread = fs.readSync(fd, buffer, 0, bufsize, position);
      position += bufread;
      eof = bufread ? false : true;
      return data += buffer.toString(encoding, 0, bufread);
    };
    while (!eof) {
      readbuf();
      i = data.indexOf('\n');
      if ((i !== -1) || eof) {
        fs.closeSync(fd);
        if (i >= 0) {
          data = data.slice(0, i);
        }
        break;
      }
    }
    return data;
  };

}).call(this);

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