ignore-channels: fnmatch patterns + silent before classifier gate (beh-09) — no emoji leak into ignored channels

tests/test_spec_beh.py

@@ -65,6 +65,55 @@ class TestClassifierGate(ClassifierGateBase):
         self.bot.respond.assert_not_awaited()
 
 
+class TestIgnoredChannels(ClassifierGateBase):
+    def ignored_msg(self, channel_name):
+        message = self.public_msg("hello there")
+        message.channel.name = channel_name
+        message.add_reaction = AsyncMock()
+        return message
+
+    async def test_pattern_match_suppresses_reaction_and_reply(self):
+        """BEH-09: fnmatch pattern hit -> no classifier call, no emoji, no reply."""
+        self.gate_setup({"reply": False, "factual": False, "emoji": "👍"})
+        self.bot.config["ignore-channels"] = ["todo*"]
+        message = self.ignored_msg("todo-lists")
+        await self.bot.on_message(message)
+        self.bot.airesponder.classify.assert_not_awaited()
+        message.add_reaction.assert_not_awaited()
+        self.bot.respond.assert_not_awaited()
+
+    async def test_exact_name_still_matches(self):
+        """BEH-09: plain names keep working as exact matches."""
+        self.gate_setup({"reply": True, "factual": False, "emoji": None})
+        self.bot.config["ignore-channels"] = ["blengon"]
+        await self.bot.on_message(self.ignored_msg("blengon"))
+        self.bot.respond.assert_not_awaited()
+
+    async def test_non_matching_channel_passes(self):
+        """BEH-09: unmatched channels reach the responder as before."""
+        self.gate_setup({"reply": True, "factual": False, "emoji": None})
+        self.bot.config["ignore-channels"] = ["todo*"]
+        await self.bot.on_message(self.ignored_msg("chat"))
+        self.bot.respond.assert_awaited_once()
+
+    async def test_dm_never_ignored(self):
+        """BEH-09: a DM whose recipient name matches a pattern is still answered."""
+        self.gate_setup({"reply": True, "factual": False, "emoji": None})
+        self.bot.config["ignore-channels"] = ["todo*"]
+        message = self.public_msg("hei bot")
+        message.channel = MagicMock(spec=DMChannel)
+        message.channel.recipient = MagicMock()
+        message.channel.recipient.name = "todo-fan"
+        await self.bot.on_message(message)
+        self.bot.respond.assert_awaited_once()
+
+    def test_channel_by_name_honors_patterns(self):
+        """BEH-09: channel_by_name resolution skips pattern-ignored channels."""
+        self.bot.config["ignore-channels"] = ["todo*"]
+        fallback = MagicMock(spec=TextChannel)
+        self.assertIs(self.bot.channel_by_name("todo-lists", fallback), fallback)
+
+
 class TestTypingPacing(OpsBase):
     async def send_with(self, answer, factual, cps=30):
         if cps is not None: