patma: Add support for operators in keys

Will be used to match either '@bot' or '@draft/bot'.

irctest/patma.py

@@ -155,13 +155,15 @@ def match_dict(
     for (expected_key, expected_value) in expected.items():
         if isinstance(expected_key, RemainingKeys):
             remaining_keys_wildcard = (expected_key.key, expected_value)
-        elif isinstance(expected_key, Operator):
-            raise NotImplementedError(f"Unsupported operator: {expected_key}")
         else:
-            if expected_key not in got:
+            for key in got:
-                return False
+                if match_string(key, expected_key) and match_string(
-            got_value = got.pop(expected_key)
+                    got[key], expected_value
-            if not match_string(got_value, expected_value):
+                ):
+                    got.pop(key)
+                    break
+            else:
+                # Found no (key, value) pair matching the request
                 return False
 
     if remaining_keys_wildcard:

irctest/self_tests/cases.py

@@ -179,6 +179,39 @@ MESSAGE_SPECS: List[Tuple[Dict, List[str], List[str], List[str]]] = [
             "expected tags to match {'tag1': 'bar', RemainingKeys(ANYSTR): ANYOPTSTR}, got {}",
         ]
     ),
+    (
+        # the specification:
+        dict(
+            tags={StrRe("tag[12]"): "bar", **ANYDICT},
+            command="PRIVMSG",
+            params=["#chan", "hello"],
+        ),
+        # matches:
+        [
+            "@tag1=bar PRIVMSG #chan :hello",
+            "@tag1=bar;tag2= PRIVMSG #chan :hello",
+            "@tag1=bar :foo!baz@qux PRIVMSG #chan :hello",
+            "@tag2=bar PRIVMSG #chan :hello",
+            "@tag1=bar;tag2= PRIVMSG #chan :hello",
+            "@tag1=;tag2=bar PRIVMSG #chan :hello",
+        ],
+        # and does not match:
+        [
+            "PRIVMG #chan :hello",
+            "@tag1=value1 PRIVMSG #chan :hello",
+            "PRIVMSG #chan hello2",
+            "PRIVMSG #chan2 hello",
+            ":foo!baz@qux PRIVMSG #chan hello",
+        ],
+        # and they each error with:
+        [
+            "expected command to be PRIVMSG, got PRIVMG",
+            "expected tags to match {StrRe(r'tag[12]'): 'bar', RemainingKeys(ANYSTR): ANYOPTSTR}, got {'tag1': 'value1'}",
+            "expected params to match ['#chan', 'hello'], got ['#chan', 'hello2']",
+            "expected params to match ['#chan', 'hello'], got ['#chan2', 'hello']",
+            "expected tags to match {StrRe(r'tag[12]'): 'bar', RemainingKeys(ANYSTR): ANYOPTSTR}, got {}",
+        ]
+    ),
     (
         # the specification:
         dict(