v2.18.0 (#843)

Co-authored-by: Clément Drouin <clement.drouin@mistral.ai>
Co-authored-by: Clément Sirieix <clement.sirieix@mistral.ai>
Co-authored-by: Cyprien <courtot.c@gmail.com>
Co-authored-by: Guillaume LE GOFF <guillaume.lgf@gmail.com>
Co-authored-by: Jean Burellier <sheplu@users.noreply.github.com>
Co-authored-by: Kim-Adeline Miguel <51720070+kimadeline@users.noreply.github.com>
Co-authored-by: Mathias Gesbert <mathias.gesbert@mistral.ai>
Co-authored-by: Nelson PROIA <144663685+Nelson-PROIA@users.noreply.github.com>
Co-authored-by: Paul VEZIA <166131032+le-codeur-rapide@users.noreply.github.com>
Co-authored-by: Pierre Rossinès <pierre.rossines@mistral.ai>
Co-authored-by: Quentin <quentin.torroba@mistral.ai>
Co-authored-by: Vincent G <10739306+VinceOPS@users.noreply.github.com>
Co-authored-by: josephine-delas <57808586+josephine-delas@users.noreply.github.com>
Co-authored-by: Mistral Vibe <vibe@mistral.ai>

tests/core/test_config_bus.py

@@ -0,0 +1,93 @@
+from __future__ import annotations
+
+from vibe.core.config.event_bus import EventBus
+from vibe.core.config.types import ConfigChangeEvent
+
+
+def _make_event(changed: set[str]) -> ConfigChangeEvent:
+    return ConfigChangeEvent(
+        changed_keys=frozenset(changed), before={}, after={}, reason=""
+    )
+
+
+def test_wildcard_subscriber_fires_on_every_event() -> None:
+    bus = EventBus()
+    received: list[ConfigChangeEvent] = []
+    bus.subscribe(received.append)
+
+    event = _make_event({"value"})
+    bus.publish(event)
+
+    assert received == [event]
+
+
+def test_keyed_subscriber_filters_by_key() -> None:
+    bus = EventBus()
+    received: list[ConfigChangeEvent] = []
+    bus.subscribe(received.append, keys={"value"})
+
+    bus.publish(_make_event({"other"}))
+    assert received == []
+
+    bus.publish(_make_event({"value", "other"}))
+    assert len(received) == 1
+
+
+def test_ancestor_descendant_keys_match_bidirectionally() -> None:
+    bus = EventBus()
+    received: list[ConfigChangeEvent] = []
+    bus.subscribe(received.append, keys={"models"})
+    bus.subscribe(received.append, keys={"models/models"})
+
+    bus.publish(_make_event({"models/models"}))
+    bus.publish(_make_event({"models"}))
+
+    assert len(received) == 4
+
+
+def test_partial_segment_is_not_a_prefix_match() -> None:
+    bus = EventBus()
+    received: list[ConfigChangeEvent] = []
+    bus.subscribe(received.append, keys={"model"})
+
+    bus.publish(_make_event({"models"}))
+
+    assert received == []
+
+
+def test_sibling_keys_do_not_match() -> None:
+    bus = EventBus()
+    received: list[ConfigChangeEvent] = []
+    bus.subscribe(received.append, keys={"model/other1"})
+
+    bus.publish(_make_event({"model/other2"}))
+
+    assert received == []
+
+
+def test_unsubscribe_stops_delivery() -> None:
+    bus = EventBus()
+    received: list[ConfigChangeEvent] = []
+    unsubscribe = bus.subscribe(received.append)
+    unsubscribe()
+
+    bus.publish(_make_event({"value"}))
+
+    assert received == []
+
+
+def test_unsubscribe_during_publish_is_safe() -> None:
+    bus = EventBus()
+    calls: list[str] = []
+
+    def first(_: ConfigChangeEvent) -> None:
+        calls.append("first")
+        unsubscribe_second()
+
+    bus.subscribe(first)
+    unsubscribe_second = bus.subscribe(lambda _: calls.append("second"))
+
+    bus.publish(_make_event({"value"}))
+    bus.publish(_make_event({"value"}))
+
+    assert calls == ["first", "second", "first"]