Split all the e2e tests in their own files

Some duplication is avoided, but most importantly: it’s much much cleaner,
easier to find, functions have been cleaned up (functools.partial usages are
now hidden), etc.

tests/end_to_end/scenarios/persistent_channel.py

@@ -0,0 +1,48 @@
+from scenarios import *
+
+import scenarios.simple_channel_join
+
+scenario = (
+    # Join the channel with user 1
+    scenarios.simple_channel_join.scenario,
+
+    # Make it persistent for user 1
+    send_stanza("<iq from='{jid_one}/{resource_one}' id='conf1' to='#foo%{irc_server_one}' type='get'><query xmlns='http://jabber.org/protocol/muc#owner'/></iq>"),
+    expect_stanza("/iq[@type='result']/muc_owner:query/dataform:x/dataform:field[@var='persistent'][@type='boolean']/dataform:value[text()='false']"),
+    send_stanza("<iq from='{jid_one}/{resource_one}' id='conf2' to='#foo%{irc_server_one}' type='set'><query xmlns='http://jabber.org/protocol/muc#owner'><x type='submit' xmlns='jabber:x:data'><field var='persistent' xmlns='jabber:x:data'><value>true</value></field></x></query></iq>"),
+    expect_stanza("/iq[@type='result']"),
+
+    # Check that the value is now effectively true
+    send_stanza("<iq from='{jid_one}/{resource_one}' id='conf1' to='#foo%{irc_server_one}' type='get'><query xmlns='http://jabber.org/protocol/muc#owner'/></iq>"),
+    expect_stanza("/iq[@type='result']/muc_owner:query/dataform:x/dataform:field[@var='persistent'][@type='boolean']/dataform:value[text()='true']"),
+
+    # A second user joins the same channel
+    send_stanza("<presence from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}' />"),
+    sequences.connection("irc.localhost", '{jid_two}/{resource_one}'),
+    expect_unordered(
+        ["/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']"],
+        [
+            "/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']",
+            "/presence/muc_user:x/muc_user:status[@code='110']"
+        ],
+        ["/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']"],
+    ),
+    expect_stanza("/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),
+
+    # First user leaves the room (but biboumi will stay in the channel)
+    send_stanza("<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' type='unavailable' />"),
+
+    # Only user 1 receives the unavailable presence
+    expect_stanza("/presence[@from='#foo%{irc_server_one}/{nick_one}'][@to='{jid_one}/{resource_one}'][@type='unavailable']/muc_user:x/muc_user:status[@code='110']",
+                  "/presence/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']"),
+
+    # Second user sends a channel message
+    send_stanza("<message type='groupchat' from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}'><body>coucou</body></message>"),
+
+    # Message should only be received by user 2, since user 1 has no resource in the room
+    expect_stanza("/message[@type='groupchat'][@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']"),
+
+    # Second user leaves the channel
+    send_stanza("<presence type='unavailable' from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}' />"),
+    expect_stanza("/presence[@type='unavailable'][@from='#foo%{irc_server_one}/{nick_two}']"),
+)