From 95a26bfa5746a1e1540b1ed8dce59c1c57ef01ad Mon Sep 17 00:00:00 2001
From: Shivaram Lingamneni <slingamn@cs.stanford.edu>
Date: Wed, 21 Oct 2020 19:26:31 -0400
Subject: [PATCH] add a test for +m

---
 .../server_tests/test_channel_operations.py   | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/irctest/server_tests/test_channel_operations.py b/irctest/server_tests/test_channel_operations.py
index 9a90b69..1e42db0 100644
--- a/irctest/server_tests/test_channel_operations.py
+++ b/irctest/server_tests/test_channel_operations.py
@@ -842,6 +842,40 @@ class TopicPrivileges(cases.BaseServerTestCase):
         self.assertNotIn('TOPIC', replies)
 
 
+class ModeratedMode(cases.BaseServerTestCase):
+
+    @cases.SpecificationSelector.requiredBySpecification('RFC2812')
+    def testModeratedMode(self):
+        # test the +m channel mode
+        self.connectClient('chanop', name='chanop')
+        self.joinChannel('chanop', '#chan')
+        self.getMessages('chanop')
+        self.sendLine('chanop', 'MODE #chan +m')
+        replies = self.getMessages('chanop')
+        modeLines = [line for line in replies if line.command == 'MODE']
+        self.assertMessageEqual(modeLines[0], command='MODE', params=['#chan', '+m'])
+
+        self.connectClient('baz', name='baz')
+        self.joinChannel('baz', '#chan')
+        self.getMessages('chanop')
+        # this message should be suppressed completely by +m
+        self.sendLine('baz', 'PRIVMSG #chan :hi from baz')
+        replies = self.getMessages('baz')
+        reply_cmds = {reply.command for reply in replies}
+        self.assertIn(ERR_CANNOTSENDTOCHAN, reply_cmds)
+        self.assertEqual(self.getMessages('chanop'), [])
+
+        # grant +v, user should be able to send messages
+        self.sendLine('chanop', 'MODE #chan +v baz')
+        self.getMessages('chanop')
+        self.getMessages('baz')
+        self.sendLine('baz', 'PRIVMSG #chan :hi again from baz')
+        self.getMessages('baz')
+        relays = self.getMessages('chanop')
+        relay = relays[0]
+        self.assertMessageEqual(relay, command='PRIVMSG', params=['#chan', 'hi again from baz'])
+
+
 class OpModerated(cases.BaseServerTestCase):
 
     @cases.SpecificationSelector.requiredBySpecification('Oragono')