prosody
cfeb0077c9e9
spec/scansion/basic_roster.scs

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spec/scansion/basic_roster.scs @ 10571:cfeb0077c9e9

net.server_epoll: Avoid concatenating buffer with single item Saves creating a string that'll be identical to buffer[1] anyways, as well as a C function call. Depending on Lua version and length of the string, this could be reusing an interned string, but a longer one would probably be duplicated for no reason. Having exactly one item in the buffer seems like it would be fairly common, but I have not done an extensive study. If opportunistic writes are enabled then it will be even more likely. This special case could be optimized like this in table.concat but it does not look like it is.
author Kim Alvefur <zash@zash.se>
date Sat, 28 Dec 2019 06:18:58 +0100
parent 9305:f14c81fd44a4
line wrap: on
line source

# Basic roster test

[Client] Romeo
	jid: user@localhost
	password: password

[Client] Juliet
	jid: juliet@localhost
	password: password

---------

Romeo connects

Juliet connects

Romeo sends:
	<presence/>

Romeo receives:
	<presence from="${Romeo's full JID}" />

Romeo sends:
	<iq type="get" id="roster1">
		<query xmlns='jabber:iq:roster'/>
	</iq>

Romeo receives:
	<iq type="result" id="roster1">
		<query ver='{scansion:any}' xmlns="jabber:iq:roster"/>
	</iq>

# Add nurse to roster

Romeo sends:
	<iq type="set" id="roster2">
		<query xmlns="jabber:iq:roster">
			<item jid='nurse@localhost'/>
		</query>
	</iq>

# Receive the roster add result

Romeo receives:
	<iq type="result" id="roster2"/>

# Receive the roster push

Romeo receives:
	<iq type="set" id="{scansion:any}">
		<query xmlns='jabber:iq:roster' ver='{scansion:any}'>
			<item jid='nurse@localhost' subscription='none'/>
		</query>
	</iq>

Romeo sends:
	<iq type="result" id="fixme"/>

# Fetch the roster, it should include nurse now

Romeo sends:
	<iq type="get" id="roster3">
		<query xmlns='jabber:iq:roster'/>
	</iq>

Romeo receives:
	<iq type="result" id="roster3">
		<query xmlns='jabber:iq:roster' ver="{scansion:any}">
			<item subscription='none' jid='nurse@localhost'/>
		</query>
	</iq>

Romeo disconnects