Do rostest test nodes publish to rosout?

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Hi @swarooph.nirmal,

I tried to find an answer for this, but it seems that during tests the log messages are not really sent to /rosout.

I created a ros test file to test the concept, and the messages are never received on /rosout.
This is the test I used:

#! /usr/bin/env python
from rosgraph_msgs.msg import Log

import rospy
import unittest
import rostest

def callback(data):
 rospy.logfatal('I am the fatal and received: %s' % data)

class MyTestCase(unittest.TestCase):

  def test_whatever(self):
     rospy.init_node('subscriber_node', anonymous=True)
     rospy.Subscriber("/rosout", Log, callback)
     rospy.logwarn('Sleeping 10 seconds to see whether test goes ok')

     from time import sleep
     count = 1
     while True:
        count +=1 
        rospy.logwarn('I am the legend %d' % count)
        if count == 5: break
	sleep(2)
        
  
     rospy.logwarn('Finishing')

if __name__ == "__main__":
  rostest.rosrun('diagnostics', 'diagnostics_test_node', MyTestCase)

With the code above I see the logwarn is printed to screen, but the logfatal is never printed.

So what I can say is, from this test, it seems that during tests the log messages are not really sent to /rosout.

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