ping.feature

Feature:

Scenario: listen to system out and stop after 5 pings
* def count = 0
* def listener = 
"""
function(line) { 
  var temp = karate.get('count');
  if (line.contains('bytes from')) {
    temp = temp + 1;
    karate.set('count', temp);
    karate.log('count is', temp);
  }
  if (temp == 5) {    
    var proc = karate.get('proc');
    karate.signal(proc.buffer);
  }
}
"""
* def proc = karate.fork({ args: ['ping', 'google.com'], listener: listener })
* def output = karate.listen(10000)
* print 'console output:', output

Scenario: java cli
* def proc = karate.fork('java -version')
* proc.waitSync()
* match proc.getBuffer() == '#regex java version (.+[\\r\\n])+'
* assert proc.getExitCode() == 0

Scenario: java fail
* def proc = karate.fork('java -foo')
* proc.waitSync()
* match proc.getBuffer() contains 'Unrecognized option: -foo'
* assert proc.getExitCode() == 1