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| 1 | +"""Unit tests for cache-related listeners in advanced_alchemy._listeners.""" |
| 2 | + |
| 3 | +from unittest.mock import AsyncMock, MagicMock, patch |
| 4 | + |
| 5 | +import pytest |
| 6 | +from sqlalchemy.orm import Session |
| 7 | + |
| 8 | +from advanced_alchemy._listeners import ( |
| 9 | + AsyncCacheListener, |
| 10 | + BaseCacheListener, |
| 11 | + CacheInvalidationListener, |
| 12 | + CacheInvalidationTracker, |
| 13 | + SyncCacheListener, |
| 14 | + get_cache_tracker, |
| 15 | + setup_cache_listeners, |
| 16 | +) |
| 17 | + |
| 18 | +# --- CacheInvalidationTracker Tests --- |
| 19 | + |
| 20 | + |
| 21 | +def test_cache_invalidation_tracker_add_invalidation() -> None: |
| 22 | + mock_manager = MagicMock() |
| 23 | + tracker = CacheInvalidationTracker(mock_manager) |
| 24 | + tracker.add_invalidation("User", 1, "group1") |
| 25 | + |
| 26 | + assert ("User", 1, "group1") in tracker._pending_invalidations |
| 27 | + assert "User" in tracker._pending_model_bumps |
| 28 | + |
| 29 | + |
| 30 | +def test_cache_invalidation_tracker_commit() -> None: |
| 31 | + mock_manager = MagicMock() |
| 32 | + tracker = CacheInvalidationTracker(mock_manager) |
| 33 | + tracker.add_invalidation("User", 1, "group1") |
| 34 | + |
| 35 | + tracker.commit() |
| 36 | + |
| 37 | + mock_manager.bump_model_version_sync.assert_called_with("User") |
| 38 | + mock_manager.invalidate_entity_sync.assert_called_with("User", 1, "group1") |
| 39 | + assert not tracker._pending_invalidations |
| 40 | + assert not tracker._pending_model_bumps |
| 41 | + |
| 42 | + |
| 43 | +def test_cache_invalidation_tracker_rollback() -> None: |
| 44 | + mock_manager = MagicMock() |
| 45 | + tracker = CacheInvalidationTracker(mock_manager) |
| 46 | + tracker.add_invalidation("User", 1, "group1") |
| 47 | + |
| 48 | + tracker.rollback() |
| 49 | + |
| 50 | + mock_manager.bump_model_version_sync.assert_not_called() |
| 51 | + assert not tracker._pending_invalidations |
| 52 | + assert not tracker._pending_model_bumps |
| 53 | + |
| 54 | + |
| 55 | +@pytest.mark.asyncio |
| 56 | +async def test_cache_invalidation_tracker_commit_async() -> None: |
| 57 | + mock_manager = AsyncMock() |
| 58 | + tracker = CacheInvalidationTracker(mock_manager) |
| 59 | + tracker.add_invalidation("User", 1, "group1") |
| 60 | + |
| 61 | + await tracker.commit_async() |
| 62 | + |
| 63 | + mock_manager.bump_model_version_async.assert_called_with("User") |
| 64 | + mock_manager.invalidate_entity_async.assert_called_with("User", 1, "group1") |
| 65 | + assert not tracker._pending_invalidations |
| 66 | + assert not tracker._pending_model_bumps |
| 67 | + |
| 68 | + |
| 69 | +# --- get_cache_tracker Tests --- |
| 70 | + |
| 71 | + |
| 72 | +def test_get_cache_tracker_existing() -> None: |
| 73 | + session = MagicMock(spec=Session) |
| 74 | + tracker = MagicMock() |
| 75 | + session.info = {"_aa_cache_tracker": tracker} |
| 76 | + |
| 77 | + result = get_cache_tracker(session) |
| 78 | + assert result is tracker |
| 79 | + |
| 80 | + |
| 81 | +def test_get_cache_tracker_create() -> None: |
| 82 | + session = MagicMock(spec=Session) |
| 83 | + session.info = {} |
| 84 | + mock_manager = MagicMock() |
| 85 | + |
| 86 | + result = get_cache_tracker(session, cache_manager=mock_manager, create=True) |
| 87 | + assert isinstance(result, CacheInvalidationTracker) |
| 88 | + assert session.info["_aa_cache_tracker"] is result |
| 89 | + |
| 90 | + |
| 91 | +def test_get_cache_tracker_no_create() -> None: |
| 92 | + session = MagicMock(spec=Session) |
| 93 | + session.info = {} |
| 94 | + |
| 95 | + result = get_cache_tracker(session, create=False) |
| 96 | + assert result is None |
| 97 | + |
| 98 | + |
| 99 | +# --- SyncCacheListener Tests --- |
| 100 | + |
| 101 | + |
| 102 | +def test_sync_cache_listener_after_commit() -> None: |
| 103 | + session = MagicMock(spec=Session) |
| 104 | + tracker = MagicMock() |
| 105 | + session.info = {"_aa_cache_tracker": tracker, "enable_cache_listener": True} |
| 106 | + |
| 107 | + SyncCacheListener.after_commit(session) |
| 108 | + |
| 109 | + tracker.commit.assert_called_once() |
| 110 | + assert "_aa_cache_tracker" not in session.info |
| 111 | + |
| 112 | + |
| 113 | +def test_sync_cache_listener_after_rollback() -> None: |
| 114 | + session = MagicMock(spec=Session) |
| 115 | + tracker = MagicMock() |
| 116 | + session.info = {"_aa_cache_tracker": tracker, "enable_cache_listener": True} |
| 117 | + |
| 118 | + SyncCacheListener.after_rollback(session) |
| 119 | + |
| 120 | + tracker.rollback.assert_called_once() |
| 121 | + assert "_aa_cache_tracker" not in session.info |
| 122 | + |
| 123 | + |
| 124 | +def test_sync_cache_listener_disabled() -> None: |
| 125 | + session = MagicMock(spec=Session) |
| 126 | + tracker = MagicMock() |
| 127 | + session.info = {"_aa_cache_tracker": tracker, "enable_cache_listener": False} |
| 128 | + |
| 129 | + SyncCacheListener.after_commit(session) |
| 130 | + |
| 131 | + tracker.commit.assert_not_called() |
| 132 | + |
| 133 | + |
| 134 | +# --- AsyncCacheListener Tests --- |
| 135 | + |
| 136 | + |
| 137 | +@pytest.mark.asyncio |
| 138 | +async def test_async_cache_listener_after_commit() -> None: |
| 139 | + session = MagicMock(spec=Session) |
| 140 | + tracker = MagicMock() |
| 141 | + # Mock commit_async to verify it's scheduled |
| 142 | + tracker.commit_async = AsyncMock() |
| 143 | + session.info = {"_aa_cache_tracker": tracker, "enable_cache_listener": True} |
| 144 | + |
| 145 | + AsyncCacheListener.after_commit(session) |
| 146 | + |
| 147 | + # Since it creates a task, we verify it popped the tracker |
| 148 | + assert "_aa_cache_tracker" not in session.info |
| 149 | + |
| 150 | + |
| 151 | +def test_async_cache_listener_after_rollback() -> None: |
| 152 | + session = MagicMock(spec=Session) |
| 153 | + tracker = MagicMock() |
| 154 | + session.info = {"_aa_cache_tracker": tracker, "enable_cache_listener": True} |
| 155 | + |
| 156 | + AsyncCacheListener.after_rollback(session) |
| 157 | + |
| 158 | + tracker.rollback.assert_called_once() |
| 159 | + assert "_aa_cache_tracker" not in session.info |
| 160 | + |
| 161 | + |
| 162 | +# --- CacheInvalidationListener Tests --- |
| 163 | + |
| 164 | + |
| 165 | +def test_cache_invalidation_listener_after_commit_sync_context() -> None: |
| 166 | + session = MagicMock(spec=Session) |
| 167 | + tracker = MagicMock() |
| 168 | + session.info = {"_aa_cache_tracker": tracker, "enable_cache_listener": True} |
| 169 | + |
| 170 | + try: |
| 171 | + CacheInvalidationListener.after_commit(session) |
| 172 | + except RuntimeError: |
| 173 | + # If no loop, it calls tracker.commit() |
| 174 | + pass |
| 175 | + |
| 176 | + |
| 177 | +# --- BaseCacheListener Tests --- |
| 178 | + |
| 179 | + |
| 180 | +class TestBaseCacheListener(BaseCacheListener): |
| 181 | + pass |
| 182 | + |
| 183 | + |
| 184 | +def test_base_cache_listener_is_listener_enabled() -> None: |
| 185 | + session = MagicMock(spec=Session) |
| 186 | + session.info = {} |
| 187 | + session.bind = None |
| 188 | + session.execution_options = None |
| 189 | + assert TestBaseCacheListener._is_listener_enabled(session) is True |
| 190 | + |
| 191 | + session.info = {"enable_cache_listener": False} |
| 192 | + assert TestBaseCacheListener._is_listener_enabled(session) is False |
| 193 | + |
| 194 | + |
| 195 | +def test_base_cache_listener_execution_options() -> None: |
| 196 | + session = MagicMock(spec=Session) |
| 197 | + session.info = {} |
| 198 | + session.bind = None |
| 199 | + |
| 200 | + # Test execution_options via session |
| 201 | + session.execution_options = {"enable_cache_listener": False} |
| 202 | + assert TestBaseCacheListener._is_listener_enabled(session) is False |
| 203 | + |
| 204 | + session.execution_options = {"enable_cache_listener": True} |
| 205 | + assert TestBaseCacheListener._is_listener_enabled(session) is True |
| 206 | + |
| 207 | + |
| 208 | +# --- Setup Tests --- |
| 209 | + |
| 210 | + |
| 211 | +def test_setup_cache_listeners() -> None: |
| 212 | + with patch("sqlalchemy.event.listen") as mock_listen: |
| 213 | + setup_cache_listeners() |
| 214 | + assert mock_listen.called |
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