marko1olo
123 lines
4.6 KiB
Python
123 lines
4.6 KiB
Python
from __future__ import annotations
|
|
|
|
from datetime import datetime
|
|
|
|
from headroom import utils
|
|
|
|
|
|
class FakeProvider:
|
|
def __init__(self, result: str | None) -> None:
|
|
self.result = result
|
|
self.calls: list[tuple[int, int, str, int]] = []
|
|
|
|
def estimate_cost(
|
|
self, input_tokens: int, output_tokens: int, model: str, cached_tokens: int = 0
|
|
) -> str | None:
|
|
self.calls.append((input_tokens, output_tokens, model, cached_tokens))
|
|
return self.result
|
|
|
|
|
|
def test_hash_helpers_and_request_id() -> None:
|
|
request_id = utils.generate_request_id()
|
|
assert len(request_id) == 36
|
|
assert request_id.count("-") == 4
|
|
|
|
assert (
|
|
utils.compute_hash("hello")
|
|
== "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824"
|
|
)
|
|
assert utils.compute_hash("hi\ud800") == utils.compute_hash(
|
|
"hi\ud800".encode("utf-8", "surrogatepass")
|
|
)
|
|
assert utils.compute_short_hash("hello", length=8) == "2cf24dba"
|
|
assert utils.fast_hash("hello", length=8) == "5d41402a"
|
|
|
|
|
|
def test_extract_user_query_and_message_hashes() -> None:
|
|
messages = [
|
|
{"role": "system", "content": "rules"},
|
|
{"role": "user", "content": " "},
|
|
{"role": "assistant", "content": "skip"},
|
|
{
|
|
"role": "user",
|
|
"content": [{"type": "image"}, {"type": "text", "text": " latest question "}],
|
|
},
|
|
]
|
|
assert utils.extract_user_query(messages) == "latest question"
|
|
assert utils.extract_user_query([{"role": "assistant", "content": "skip"}]) == ""
|
|
|
|
hash_one = utils.compute_messages_hash(messages)
|
|
hash_two = utils.compute_messages_hash(list(messages))
|
|
assert hash_one == hash_two
|
|
assert len(hash_one) == 16
|
|
|
|
prefix_default = utils.compute_prefix_hash(
|
|
[
|
|
{"role": "system", "content": "a"},
|
|
{"role": "system", "content": "b"},
|
|
{"role": "user", "content": "c"},
|
|
{"role": "assistant", "content": "d"},
|
|
]
|
|
)
|
|
prefix_explicit = utils.compute_prefix_hash(
|
|
[
|
|
{"role": "system", "content": "a"},
|
|
{"role": "system", "content": "b"},
|
|
{"role": "user", "content": "c"},
|
|
{"role": "assistant", "content": "d"},
|
|
],
|
|
prefix_count=3,
|
|
)
|
|
assert prefix_default == prefix_explicit
|
|
assert utils.compute_prefix_hash([]) == utils.compute_short_hash("")
|
|
|
|
|
|
def test_timestamp_marker_and_json_helpers() -> None:
|
|
ts = utils.format_timestamp(datetime(2026, 4, 23, 6, 0, 0))
|
|
assert ts == "2026-04-23T06:00:00Z"
|
|
assert utils.parse_timestamp(ts) == datetime(2026, 4, 23, 6, 0, 0)
|
|
assert utils.parse_timestamp("2026-04-23T06:00:00") == datetime(2026, 4, 23, 6, 0, 0)
|
|
|
|
marker = utils.create_marker("tool_digest", sha256="abc", count="2")
|
|
assert marker == '<headroom:tool_digest sha256="abc" count="2">'
|
|
assert utils.create_tool_digest_marker("abc") == '<headroom:tool_digest sha256="abc">'
|
|
assert utils.create_dropped_context_marker("budget") == (
|
|
'<headroom:dropped_context reason="budget">'
|
|
)
|
|
assert utils.create_dropped_context_marker("budget", count=4) == (
|
|
'<headroom:dropped_context reason="budget" count="4">'
|
|
)
|
|
assert utils.create_truncated_marker(100, 25) == (
|
|
'<headroom:truncated original="100" truncated_to="25">'
|
|
)
|
|
|
|
extracted = utils.extract_markers(
|
|
'x <headroom:tool_digest sha256="abc"> y <headroom:dropped_context reason="budget" count="2">'
|
|
)
|
|
assert extracted == [
|
|
{"type": "tool_digest", "attributes": {"sha256": "abc"}},
|
|
{"type": "dropped_context", "attributes": {"reason": "budget", "count": "2"}},
|
|
]
|
|
|
|
assert utils.safe_json_loads('{"ok": true}') == ({"ok": True}, True)
|
|
assert utils.safe_json_loads("{bad") == (None, False)
|
|
assert utils.safe_json_dumps({"emoji": "café"}) == '{"emoji":"café"}'
|
|
|
|
|
|
def test_cost_formatting_and_deep_copy() -> None:
|
|
provider = FakeProvider("1.25")
|
|
assert utils.estimate_cost(100, 50, "gpt-4o", cached_tokens=10, provider=provider) == 1.25
|
|
assert provider.calls == [(100, 50, "gpt-4o", 10)]
|
|
assert utils.estimate_cost(1, 1, "gpt-4o", provider=None) is None
|
|
|
|
none_provider = FakeProvider(None)
|
|
assert utils.estimate_cost(1, 1, "gpt-4o", provider=none_provider) is None
|
|
|
|
assert utils.format_cost(0.0099) == "$0.0099"
|
|
assert utils.format_cost(1.234) == "$1.23"
|
|
|
|
messages = [{"role": "user", "content": {"nested": ["a"]}}]
|
|
copied = utils.deep_copy_messages(messages)
|
|
copied[0]["content"]["nested"].append("b")
|
|
assert messages == [{"role": "user", "content": {"nested": ["a"]}}]
|