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b471ba0 | 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 | """Tests that the Anthropic streaming finalizer logs requests for the feed.
Without this, the streaming Anthropic path (which is what Claude Code uses)
silently bypassed the request logger, leaving `/stats.recent_requests` and
`/transformations/feed` permanently empty even when `--log-messages` was set.
The non-streaming Anthropic path and the Bedrock streaming path were the
only ones that called `self.logger.log(...)`.
"""
from unittest.mock import AsyncMock, MagicMock
import httpx
import pytest
from headroom.proxy.request_logger import RequestLogger
from headroom.proxy.server import HeadroomProxy
def _build_proxy_with_real_logger(*, log_full_messages: bool) -> HeadroomProxy:
"""Build a HeadroomProxy with mocks for everything except the request logger,
so we can assert what actually gets recorded."""
proxy = object.__new__(HeadroomProxy)
proxy.http_client = MagicMock(spec=httpx.AsyncClient)
proxy.metrics = MagicMock()
proxy.metrics.record_request = AsyncMock(return_value=None)
proxy.cost_tracker = MagicMock()
proxy.cost_tracker.record_tokens.return_value = None
proxy.memory_manager = None
proxy.memory_handler = None
proxy._config = MagicMock()
proxy._config.log_full_messages = log_full_messages
proxy._config.ccr_inject_tool = False
proxy.config = proxy._config
proxy.logger = RequestLogger(log_file=None, log_full_messages=log_full_messages)
return proxy
def _stream_state(output_tokens: int = 42) -> dict:
return {
"output_tokens": output_tokens,
"total_bytes": 200,
"ttfb_ms": 35.0,
"input_tokens": 1000,
"cache_read_input_tokens": 0,
"cache_creation_input_tokens": 0,
"cache_creation_ephemeral_5m_input_tokens": 0,
"cache_creation_ephemeral_1h_input_tokens": 0,
"sse_buffer": "",
}
@pytest.mark.asyncio
async def test_finalize_stream_response_logs_request_for_feed():
proxy = _build_proxy_with_real_logger(log_full_messages=False)
await proxy._finalize_stream_response(
body={"messages": [{"role": "user", "content": "hi"}]},
provider="anthropic",
model="claude-sonnet-4-6",
request_id="req-stream-1",
original_tokens=1000,
optimized_tokens=600,
tokens_saved=400,
transforms_applied=["smart_crusher"],
optimization_latency=12.0,
stream_state=_stream_state(),
start_time=0.0,
tags={"stack": "wrap_claude"},
)
entries = proxy.logger.get_recent(10)
assert len(entries) == 1, "streaming finalizer must log exactly one entry per request"
entry = entries[0]
assert entry["request_id"] == "req-stream-1"
assert entry["provider"] == "anthropic"
assert entry["model"] == "claude-sonnet-4-6"
assert entry["input_tokens_original"] == 1000
assert entry["input_tokens_optimized"] == 600
assert entry["tokens_saved"] == 400
assert entry["savings_percent"] == pytest.approx(40.0)
assert entry["transforms_applied"] == ["smart_crusher"]
assert entry["tags"] == {"stack": "wrap_claude"}
assert entry["cache_hit"] is False
@pytest.mark.asyncio
async def test_finalize_stream_response_includes_messages_when_log_full_messages_enabled():
proxy = _build_proxy_with_real_logger(log_full_messages=True)
body = {"messages": [{"role": "user", "content": "hello"}]}
await proxy._finalize_stream_response(
body=body,
provider="anthropic",
model="claude-sonnet-4-6",
request_id="req-stream-2",
original_tokens=10,
optimized_tokens=8,
tokens_saved=2,
transforms_applied=[],
optimization_latency=1.0,
stream_state=_stream_state(output_tokens=5),
start_time=0.0,
)
entries = proxy.logger.get_recent_with_messages(10)
assert len(entries) == 1
assert entries[0]["request_messages"] == body["messages"]
@pytest.mark.asyncio
async def test_finalize_stream_response_omits_messages_when_log_full_messages_disabled():
proxy = _build_proxy_with_real_logger(log_full_messages=False)
await proxy._finalize_stream_response(
body={"messages": [{"role": "user", "content": "hello"}]},
provider="anthropic",
model="claude-sonnet-4-6",
request_id="req-stream-3",
original_tokens=10,
optimized_tokens=8,
tokens_saved=2,
transforms_applied=[],
optimization_latency=1.0,
stream_state=_stream_state(output_tokens=5),
start_time=0.0,
)
entries = proxy.logger.get_recent_with_messages(10)
assert len(entries) == 1
assert entries[0]["request_messages"] is None
@pytest.mark.asyncio
async def test_finalize_stream_response_handles_zero_original_tokens():
proxy = _build_proxy_with_real_logger(log_full_messages=False)
await proxy._finalize_stream_response(
body={"messages": []},
provider="anthropic",
model="claude-sonnet-4-6",
request_id="req-stream-4",
original_tokens=0,
optimized_tokens=0,
tokens_saved=0,
transforms_applied=[],
optimization_latency=0.0,
stream_state=_stream_state(output_tokens=0),
start_time=0.0,
)
entries = proxy.logger.get_recent(10)
assert len(entries) == 1
assert entries[0]["savings_percent"] == 0
@pytest.mark.asyncio
async def test_finalize_stream_response_no_op_when_logger_disabled():
proxy = _build_proxy_with_real_logger(log_full_messages=False)
proxy.logger = None # `--no-log-requests` would put us here
# Should not raise.
await proxy._finalize_stream_response(
body={"messages": []},
provider="anthropic",
model="claude-sonnet-4-6",
request_id="req-stream-5",
original_tokens=10,
optimized_tokens=8,
tokens_saved=2,
transforms_applied=[],
optimization_latency=1.0,
stream_state=_stream_state(),
start_time=0.0,
)
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