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7a05808 e4a41fa 7a05808 e4a41fa 7a05808 e4a41fa 7a05808 | 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 | """Tests for GoogleCacheOptimizer."""
from datetime import datetime, timedelta
import pytest
from headroom.cache import CacheConfig, GoogleCacheOptimizer, OptimizationContext
from headroom.cache.base import CacheStrategy
from headroom.cache.google import (
GOOGLE_CACHE_DISCOUNT,
GOOGLE_MIN_CACHE_TOKENS,
CacheabilityAnalysis,
CachedContentInfo,
)
class TestGoogleCacheOptimizer:
"""Test GoogleCacheOptimizer functionality."""
@pytest.fixture
def optimizer(self):
"""Create optimizer instance."""
return GoogleCacheOptimizer()
@pytest.fixture
def context(self):
"""Create optimization context."""
return OptimizationContext(
provider="google",
model="gemini-1.5-pro",
)
def test_optimizer_properties(self, optimizer):
"""Test optimizer properties."""
assert optimizer.name == "google-cached-content"
assert optimizer.provider == "google"
assert optimizer.strategy == CacheStrategy.CACHED_CONTENT
def test_enforces_minimum_tokens(self):
"""Test that Google's minimum is enforced."""
config = CacheConfig(min_cacheable_tokens=100)
optimizer = GoogleCacheOptimizer(config)
assert optimizer.config.min_cacheable_tokens >= GOOGLE_MIN_CACHE_TOKENS
def test_optimize_below_threshold(self, optimizer, context):
"""Test optimization with content below threshold."""
messages = [
{"role": "system", "content": "Short system prompt."},
{"role": "user", "content": "Hello!"},
]
result = optimizer.optimize(messages, context)
assert result.metrics.cacheable_tokens < GOOGLE_MIN_CACHE_TOKENS
assert any("32K" in w for w in result.warnings)
def test_optimize_above_threshold(self, optimizer, context):
"""Test optimization with content above threshold."""
# Create content above 32K tokens
messages = [
{"role": "system", "content": "You are helpful. " * 15000},
{"role": "user", "content": "Hello!"},
]
result = optimizer.optimize(messages, context)
assert result.metrics.cacheable_tokens > 0
if result.metrics.cacheable_tokens >= GOOGLE_MIN_CACHE_TOKENS:
assert result.metrics.estimated_savings_percent == GOOGLE_CACHE_DISCOUNT * 100
def test_analyze_cacheability(self, optimizer, context):
"""Test cacheability analysis."""
messages = [
{"role": "system", "content": "Short"},
{"role": "user", "content": "Hello!"},
]
analysis = optimizer.analyze_cacheability(messages, context)
assert isinstance(analysis, CacheabilityAnalysis)
assert analysis.total_tokens > 0
assert analysis.tokens_below_minimum > 0
assert analysis.is_cacheable is False
assert len(analysis.recommendations) > 0
def test_cache_registration(self, optimizer):
"""Test registering a cache."""
cache_info = optimizer.register_cache(
cache_id="test-cache-123",
content_hash="abc123",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=1),
)
assert cache_info.cache_id == "test-cache-123"
assert cache_info.content_hash == "abc123"
assert cache_info.token_count == 50000
assert not cache_info.is_expired
assert cache_info.ttl_remaining_seconds > 0
def test_cache_lookup(self, optimizer):
"""Test looking up a registered cache."""
optimizer.register_cache(
cache_id="test-cache-456",
content_hash="def456",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=1),
)
found = optimizer.get_reusable_cache("def456")
assert found is not None
assert found.cache_id == "test-cache-456"
def test_cache_lookup_expired(self, optimizer):
"""Test that expired caches are not returned."""
optimizer.register_cache(
cache_id="expired-cache",
content_hash="expired123",
token_count=50000,
expires_at=datetime.now() - timedelta(hours=1),
)
found = optimizer.get_reusable_cache("expired123")
assert found is None
def test_cache_lookup_insufficient_ttl(self, optimizer):
"""Test that caches with insufficient TTL are not returned."""
optimizer.register_cache(
cache_id="short-ttl-cache",
content_hash="shortttl123",
token_count=50000,
expires_at=datetime.now() + timedelta(seconds=30),
)
# Default min_ttl is 60 seconds
found = optimizer.get_reusable_cache("shortttl123")
assert found is None
def test_extend_cache_ttl(self, optimizer):
"""Test extending cache TTL."""
optimizer.register_cache(
cache_id="extend-cache",
content_hash="extend123",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=1),
)
new_expires = datetime.now() + timedelta(hours=2)
updated = optimizer.extend_cache_ttl("extend-cache", new_expires)
assert updated is not None
assert updated.expires_at == new_expires
def test_remove_cache(self, optimizer):
"""Test removing a cache."""
optimizer.register_cache(
cache_id="remove-cache",
content_hash="remove123",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=1),
)
removed = optimizer.remove_cache("remove-cache")
assert removed is True
found = optimizer.get_reusable_cache("remove123")
assert found is None
def test_cleanup_expired_caches(self, optimizer):
"""Test cleaning up expired caches."""
# Register expired cache
optimizer.register_cache(
cache_id="cleanup-expired",
content_hash="cleanup123",
token_count=50000,
expires_at=datetime.now() - timedelta(hours=1),
)
expired_ids = optimizer.cleanup_expired_caches()
assert "cleanup-expired" in expired_ids
def test_list_caches(self, optimizer):
"""Test listing caches."""
optimizer.register_cache(
cache_id="list-cache-1",
content_hash="list1",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=1),
)
optimizer.register_cache(
cache_id="list-cache-2",
content_hash="list2",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=2),
)
caches = optimizer.list_caches()
assert len(caches) >= 2
def test_get_statistics(self, optimizer):
"""Test getting statistics."""
optimizer.register_cache(
cache_id="stats-cache",
content_hash="stats123",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=1),
)
stats = optimizer.get_statistics()
assert "active_caches" in stats
assert "caches_created" in stats
assert stats["caches_created"] >= 1
def test_prepare_cache_creation(self, optimizer, context):
"""Test preparing cache creation parameters."""
messages = [
{"role": "system", "content": "You are helpful. " * 15000},
{"role": "user", "content": "Hello!"},
]
params = optimizer.prepare_cache_creation(messages, context)
if params is not None:
assert "contents" in params
assert "ttl" in params
assert "display_name" in params
def test_build_request_with_cache(self, optimizer):
"""Test building request with cache."""
messages = [
{"role": "system", "content": "System prompt"},
{"role": "user", "content": "User message"},
]
request = optimizer.build_request_with_cache(messages, "cache-123")
assert "cached_content" in request
assert request["cached_content"] == "cache-123"
assert "contents" in request
def test_export_import_registry(self, optimizer):
"""Test exporting and importing cache registry."""
optimizer.register_cache(
cache_id="export-cache",
content_hash="export123",
token_count=50000,
expires_at=datetime.now() + timedelta(hours=1),
)
exported = optimizer.export_cache_registry()
assert len(exported) >= 1
new_optimizer = GoogleCacheOptimizer()
imported = new_optimizer.import_cache_registry(exported)
assert imported >= 1
def test_cached_content_info_serialization(self):
"""Test CachedContentInfo serialization."""
info = CachedContentInfo(
cache_id="test",
content_hash="hash",
created_at=datetime.now(),
expires_at=datetime.now() + timedelta(hours=1),
token_count=50000,
)
data = info.to_dict()
restored = CachedContentInfo.from_dict(data)
assert restored.cache_id == info.cache_id
assert restored.content_hash == info.content_hash
assert restored.token_count == info.token_count
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