fix(warnings): do not trigger MiscalledStubWarnings from prop events (#126)

Closes #125

Author: mcous

decoy/warning_checker.py

@@ -4,6 +4,7 @@
 
 from .spy_events import (
     AnySpyEvent,
+    SpyCall,
     SpyEvent,
     VerifyRehearsal,
     WhenRehearsal,
@@ -22,14 +23,15 @@ def check(all_calls: Sequence[AnySpyEvent]) -> None:
         _check_no_redundant_verify(all_calls)
 
 
-def _check_no_miscalled_stubs(all_calls: Sequence[AnySpyEvent]) -> None:
+def _check_no_miscalled_stubs(all_events: Sequence[AnySpyEvent]) -> None:
     """Ensure every call matches a rehearsal, if the spy has rehearsals."""
     all_calls_by_id: Dict[int, List[AnySpyEvent]] = {}
 
-    for call in all_calls:
-        spy_id = call.spy_id
-        spy_calls = all_calls_by_id.get(spy_id, [])
-        all_calls_by_id[spy_id] = spy_calls + [call]
+    for event in all_events:
+        if isinstance(event.payload, SpyCall):
+            spy_id = event.spy_id
+            spy_calls = all_calls_by_id.get(spy_id, [])
+            all_calls_by_id[spy_id] = spy_calls + [event]
 
     for spy_calls in all_calls_by_id.values():
         unmatched: List[SpyEvent] = []

tests/test_warning_checker.py

@@ -7,6 +7,8 @@
     AnySpyEvent,
     SpyCall,
     SpyEvent,
+    SpyPropAccess,
+    PropAccessType,
     WhenRehearsal,
     VerifyRehearsal,
 )
@@ -77,6 +79,31 @@ class WarningCheckerSpec(NamedTuple):
         ],
         expected_warnings=[],
     ),
+    # it should not warn due to spy prop access
+    WarningCheckerSpec(
+        all_calls=[
+            WhenRehearsal(
+                spy_id=1,
+                spy_name="spy",
+                payload=SpyPropAccess(
+                    prop_name="prop_name", access_type=PropAccessType.GET
+                ),
+            ),
+            SpyEvent(
+                spy_id=1,
+                spy_name="spy",
+                payload=SpyPropAccess(
+                    prop_name="other_prop", access_type=PropAccessType.GET
+                ),
+            ),
+            WhenRehearsal(
+                spy_id=2,
+                spy_name="spy.other_prop",
+                payload=SpyCall(args=(), kwargs={}, ignore_extra_args=False),
+            ),
+        ],
+        expected_warnings=[],
+    ),
     # it should warn if a spy has multiple rehearsals without a matching call
     WarningCheckerSpec(
         all_calls=[