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60a6ac8 3c1f81f 60a6ac8 3c1f81f 60a6ac8 aacfc8b 60a6ac8 aacfc8b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 | """Integration tests for memory tracking with real stores.
These tests verify that memory tracking works correctly with actual
store implementations - no mocks, no simulations.
"""
from __future__ import annotations
import pytest
from headroom.memory.tracker import MemoryTracker
# Check HNSW availability for skipping tests
try:
from headroom.memory.adapters.hnsw import _check_hnswlib_available
HNSW_AVAILABLE = _check_hnswlib_available()
except ImportError:
HNSW_AVAILABLE = False
class TestCompressionStoreMemoryTracking:
"""Tests for CompressionStore memory tracking integration."""
@pytest.fixture(autouse=True)
def reset_tracker(self):
"""Reset the tracker singleton before each test."""
MemoryTracker.reset()
yield
MemoryTracker.reset()
def test_compression_store_reports_memory_stats(self):
"""Test that CompressionStore correctly reports memory stats."""
from headroom.cache.compression_store import CompressionStore
store = CompressionStore(max_entries=100)
# Add some data - store(original, compressed, ...)
store.store("original content 1" * 100, "compressed1")
store.store("original content 2" * 100, "compressed2")
stats = store.get_memory_stats()
assert stats.name == "compression_store"
assert stats.entry_count == 2
assert stats.size_bytes > 0
# budget_bytes is None since CompressionStore uses entry count limit not byte limit
def test_compression_store_tracks_hits(self):
"""Test that CompressionStore tracks cache hits."""
from headroom.cache.compression_store import CompressionStore
store = CompressionStore(max_entries=100)
# Store and retrieve (hit)
hash_key = store.store("original content", "compressed")
store.retrieve(hash_key) # Hit - increments retrieval_count
store.retrieve(hash_key) # Another retrieval
store.retrieve("nonexistent_hash") # Miss (not tracked)
stats = store.get_memory_stats()
# Hits counts entries with retrieval_count > 0, not total retrievals
assert stats.hits == 1 # 1 entry has been retrieved
# CompressionStore doesn't track misses
assert stats.misses == 0
def test_compression_store_registers_with_tracker(self):
"""Test that CompressionStore can register with MemoryTracker."""
from headroom.cache.compression_store import CompressionStore
tracker = MemoryTracker.get()
store = CompressionStore(max_entries=100)
# Register the store
tracker.register("compression_store", store.get_memory_stats)
# Verify it's registered
assert "compression_store" in tracker.registered_components
# Get stats through tracker
stats = tracker.get_component_stats("compression_store")
assert stats is not None
assert stats.name == "compression_store"
class TestBatchContextStoreMemoryTracking:
"""Tests for BatchContextStore memory tracking integration."""
@pytest.fixture(autouse=True)
def reset_tracker(self):
"""Reset the tracker singleton before each test."""
MemoryTracker.reset()
yield
MemoryTracker.reset()
def test_batch_context_store_reports_memory_stats(self):
"""Test that BatchContextStore correctly reports memory stats."""
from headroom.ccr.batch_store import (
BatchContext,
BatchContextStore,
BatchRequestContext,
)
store = BatchContextStore(ttl=3600, max_contexts=100)
# Add some batch contexts
ctx1 = BatchContext(batch_id="batch_1", provider="anthropic")
ctx1.add_request(
BatchRequestContext(
custom_id="req_1",
messages=[{"role": "user", "content": "Hello world"}],
model="claude-3-opus",
)
)
ctx2 = BatchContext(batch_id="batch_2", provider="openai")
ctx2.add_request(
BatchRequestContext(
custom_id="req_2",
messages=[{"role": "user", "content": "Test message"}],
model="gpt-4",
)
)
# Store them (sync for testing - accessing internal dict)
store._contexts["batch_1"] = ctx1
store._contexts["batch_2"] = ctx2
stats = store.get_memory_stats()
assert stats.name == "batch_context_store"
assert stats.entry_count == 2
assert stats.size_bytes > 0
def test_batch_context_store_registers_with_tracker(self):
"""Test that BatchContextStore can register with MemoryTracker."""
from headroom.ccr.batch_store import BatchContextStore
tracker = MemoryTracker.get()
store = BatchContextStore()
# Register the store
tracker.register("batch_context_store", store.get_memory_stats)
# Verify it's registered
assert "batch_context_store" in tracker.registered_components
class TestGraphStoreMemoryTracking:
"""Tests for InMemoryGraphStore memory tracking integration."""
@pytest.fixture(autouse=True)
def reset_tracker(self):
"""Reset the tracker singleton before each test."""
MemoryTracker.reset()
yield
MemoryTracker.reset()
@pytest.mark.asyncio
async def test_graph_store_reports_memory_stats(self):
"""Test that InMemoryGraphStore correctly reports memory stats."""
from headroom.memory.adapters.graph import InMemoryGraphStore
from headroom.memory.adapters.graph_models import Entity, Relationship
store = InMemoryGraphStore()
# Add some entities using the correct API
entity1 = Entity(id="node1", user_id="test", name="Test Entity 1", entity_type="entity")
entity2 = Entity(id="node2", user_id="test", name="Test Entity 2", entity_type="entity")
entity3 = Entity(id="node3", user_id="test", name="Test Concept", entity_type="concept")
await store.add_entity(entity1)
await store.add_entity(entity2)
await store.add_entity(entity3)
# Add a relationship
rel = Relationship(
source_id="node1",
target_id="node2",
relation_type="related_to",
user_id="test",
)
await store.add_relationship(rel)
stats = store.get_memory_stats()
assert stats.name == "graph_store"
assert stats.entry_count == 4 # 3 entities + 1 relationship
assert stats.size_bytes > 0
@pytest.mark.asyncio
async def test_graph_store_size_grows_with_data(self):
"""Test that reported size grows as data is added."""
from headroom.memory.adapters.graph import InMemoryGraphStore
from headroom.memory.adapters.graph_models import Entity
store = InMemoryGraphStore()
# Get initial size
initial_stats = store.get_memory_stats()
initial_size = initial_stats.size_bytes
# Add data
for i in range(100):
entity = Entity(
id=f"node_{i}",
user_id="test",
name=f"Entity {i}",
entity_type="entity",
properties={"data": "x" * 100},
)
await store.add_entity(entity)
# Get new size
final_stats = store.get_memory_stats()
assert final_stats.size_bytes > initial_size
assert final_stats.entry_count == 100
@pytest.mark.skipif(not HNSW_AVAILABLE, reason="hnswlib not available")
class TestHNSWVectorIndexMemoryTracking:
"""Tests for HNSWVectorIndex memory tracking integration."""
@pytest.fixture(autouse=True)
def reset_tracker(self):
"""Reset the tracker singleton before each test."""
MemoryTracker.reset()
yield
MemoryTracker.reset()
@pytest.mark.asyncio
async def test_hnsw_index_reports_memory_stats(self):
"""Test that HNSWVectorIndex correctly reports memory stats."""
from headroom.memory.adapters.hnsw import HNSWVectorIndex
from headroom.memory.models import Memory
index = HNSWVectorIndex(dimension=128)
# Add some vectors using Memory objects
import numpy as np
for i in range(10):
embedding = np.random.rand(128).astype(np.float32).tolist()
memory = Memory(
id=f"mem_{i}",
content=f"Test memory {i}",
user_id="test_user",
embedding=embedding,
)
await index.index(memory)
stats = index.get_memory_stats()
assert stats.name == "vector_index"
assert stats.entry_count == 10
assert stats.size_bytes > 0
@pytest.mark.asyncio
async def test_hnsw_index_size_grows_with_vectors(self):
"""Test that reported size grows as vectors are added."""
from headroom.memory.adapters.hnsw import HNSWVectorIndex
from headroom.memory.models import Memory
index = HNSWVectorIndex(dimension=256)
# Get initial size
initial_stats = index.get_memory_stats()
initial_size = initial_stats.size_bytes
# Add vectors
import numpy as np
for i in range(100):
embedding = np.random.rand(256).astype(np.float32).tolist()
memory = Memory(
id=f"mem_{i}",
content=f"Test memory {i}",
user_id="test_user",
embedding=embedding,
)
await index.index(memory)
# Get new size
final_stats = index.get_memory_stats()
assert final_stats.size_bytes > initial_size
assert final_stats.entry_count == 100
class TestTrackerIntegrationWithMultipleStores:
"""Tests for MemoryTracker with multiple real stores."""
@pytest.fixture(autouse=True)
def reset_tracker(self):
"""Reset the tracker singleton before each test."""
MemoryTracker.reset()
yield
MemoryTracker.reset()
@pytest.mark.asyncio
async def test_tracker_aggregates_multiple_stores(self):
"""Test that tracker correctly aggregates stats from multiple stores."""
from headroom.cache.compression_store import CompressionStore
from headroom.ccr.batch_store import BatchContextStore
from headroom.memory.adapters.graph import InMemoryGraphStore
from headroom.memory.adapters.graph_models import Entity
tracker = MemoryTracker.get()
# Create stores
compression_store = CompressionStore(max_entries=100)
batch_store = BatchContextStore()
graph_store = InMemoryGraphStore()
# Add some data
compression_store.store("original content" * 50, "compressed")
entity = Entity(id="node1", user_id="test", name="Test", entity_type="entity")
await graph_store.add_entity(entity)
# Register all stores
tracker.register("compression_store", compression_store.get_memory_stats)
tracker.register("batch_context_store", batch_store.get_memory_stats)
tracker.register("graph_store", graph_store.get_memory_stats)
# Get total
total = tracker.get_total_tracked_bytes()
# Should be sum of all stores
cs_stats = compression_store.get_memory_stats()
bs_stats = batch_store.get_memory_stats()
gs_stats = graph_store.get_memory_stats()
expected_total = cs_stats.size_bytes + bs_stats.size_bytes + gs_stats.size_bytes
assert total == expected_total
@pytest.mark.asyncio
async def test_full_memory_report(self):
"""Test generating a full memory report with real stores."""
from headroom.cache.compression_store import CompressionStore
from headroom.memory.adapters.graph import InMemoryGraphStore
from headroom.memory.adapters.graph_models import Entity
tracker = MemoryTracker.get(target_budget_mb=100.0)
# Create and register stores
compression_store = CompressionStore(max_entries=1000)
graph_store = InMemoryGraphStore()
# Add data
for i in range(10):
compression_store.store(f"original content {i}" * 100, f"compressed_{i}")
entity = Entity(
id=f"node_{i}",
user_id="test",
name=f"Entity {i}",
entity_type="entity",
)
await graph_store.add_entity(entity)
tracker.register("compression_store", compression_store.get_memory_stats)
tracker.register("graph_store", graph_store.get_memory_stats)
# Get full report
report = tracker.get_report()
# Verify report structure
assert report.process is not None
assert report.process.rss_bytes >= 0
assert len(report.components) == 2
assert "compression_store" in report.components
assert "graph_store" in report.components
assert report.total_tracked_bytes > 0
assert report.target_budget_bytes == 100 * 1024 * 1024
# Verify serialization
d = report.to_dict()
assert "process" in d
assert "components" in d
assert "total_tracked_mb" in d
class TestMemoryBudgetEnforcement:
"""Tests for memory budget checking."""
@pytest.fixture(autouse=True)
def reset_tracker(self):
"""Reset the tracker singleton before each test."""
MemoryTracker.reset()
yield
MemoryTracker.reset()
def test_under_budget(self):
"""Test that under-budget is correctly detected."""
from headroom.cache.compression_store import CompressionStore
tracker = MemoryTracker.get(target_budget_mb=100.0) # 100 MB budget
store = CompressionStore(max_entries=10) # Small store
store.store("original", "compressed")
tracker.register("compression_store", store.get_memory_stats)
report = tracker.get_report()
# Small store should be under budget
assert report.is_over_budget is False
def test_over_budget_detection(self):
"""Test that over-budget is correctly detected."""
tracker = MemoryTracker.get(target_budget_mb=0.001) # Very small budget (1 KB)
# Create a component that reports large size
from headroom.memory.tracker import ComponentStats
def large_component_stats() -> ComponentStats:
return ComponentStats(
name="large_component",
entry_count=1000,
size_bytes=10 * 1024 * 1024, # 10 MB
)
tracker.register("large_component", large_component_stats)
report = tracker.get_report()
# Should be over budget
assert report.is_over_budget is True
class TestProcessStatsCollection:
"""Tests for process-level memory stats."""
@pytest.fixture(autouse=True)
def reset_tracker(self):
"""Reset the tracker singleton before each test."""
MemoryTracker.reset()
yield
MemoryTracker.reset()
def test_process_stats_collected(self):
"""Test that process stats are collected from the real process."""
tracker = MemoryTracker.get()
stats = tracker.get_process_stats()
# psutil is optional — without it, stats are all zeros (graceful degradation)
try:
import psutil # noqa: F401
assert stats.rss_bytes > 0 # Process must use some memory
assert stats.vms_bytes > 0
except ImportError:
assert stats.rss_bytes == 0 # No psutil → zeros expected
assert stats.percent >= 0 # Could be 0 on some systems
def test_process_stats_in_report(self):
"""Test that process stats are included in report."""
tracker = MemoryTracker.get()
report = tracker.get_report()
try:
import psutil # noqa: F401
assert report.process.rss_bytes > 0
assert report.process.rss_mb > 0
except ImportError:
# Without psutil, process stats are zeros — that's expected
assert report.process.rss_bytes == 0
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