4 examples of 'python ping test' in Python

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@tornado.testing.gen_test
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def test_ping(self):
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    c = Client()
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    yield c.connect()
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    res = yield c.call('PING')
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    self.assertEqual(res, b"PONG")
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    c.disconnect()

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def testSimple(self):
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    client = self.backend.client
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    request = client.ping()
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    self.assertEqual(request.command_name, 'PING')
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    self.assertEqual(str(request), 'PING')
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    yield request
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    self.assertEqual(request.result, True)
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    request = client.echo('ciao')
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    self.assertEqual(str(request), "ECHO('ciao',)")
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    yield request
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    self.assertEqual(request.result, b'ciao')

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def ping(host, count=1, timeout=1):
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    cmd = [
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        'ping',
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        '-c',
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        str(count),
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        '-w',
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        str(timeout),
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        host,
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    ]
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    sub = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True)
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    sub.communicate()
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    ret = sub.wait() == 0
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    return ret

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def ping(host, timeout=1):
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	# timeout=1 means: If one second goes by without a reply from the server,
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	# the client assumes that either the client's ping or the server's pong is lost
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	dest = gethostbyname(host)
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	print("Pinging " + dest + " using Python:")
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	print("")
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	# Send ping requests to a server separated by approximately one second
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	while True :  
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		delay = doOnePing(dest, timeout)
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		print(delay)
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		time.sleep(1)# one second
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	return delay