fastmcp/tests/utilities/test_timeout.py
Bill Easton 802ceaaa6b
Add targeted coverage tests (#4230)
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
2026-05-25 18:57:28 -04:00

50 lines
1.7 KiB
Python

"""Tests for timeout normalization utilities."""
import datetime
from typing import Any, cast
import pytest
from fastmcp.utilities.timeout import (
normalize_timeout_to_seconds,
normalize_timeout_to_timedelta,
)
class TestNormalizeTimeoutToSeconds:
def test_none_stays_none(self):
assert normalize_timeout_to_seconds(None) is None
def test_numeric_values_become_float_seconds(self):
assert normalize_timeout_to_seconds(3) == 3.0
assert normalize_timeout_to_seconds(2.5) == 2.5
def test_zero_values_disable_timeout(self):
assert normalize_timeout_to_seconds(0) is None
assert normalize_timeout_to_seconds(datetime.timedelta(seconds=0)) is None
def test_timedelta_becomes_seconds(self):
assert (
normalize_timeout_to_seconds(datetime.timedelta(milliseconds=250)) == 0.25
)
def test_invalid_type_raises_type_error(self):
with pytest.raises(TypeError, match="Invalid timeout type"):
normalize_timeout_to_seconds(cast(Any, "1"))
class TestNormalizeTimeoutToTimedelta:
def test_none_stays_none(self):
assert normalize_timeout_to_timedelta(None) is None
def test_timedelta_is_returned_unchanged(self):
timeout = datetime.timedelta(seconds=5)
assert normalize_timeout_to_timedelta(timeout) is timeout
def test_numeric_values_become_timedeltas(self):
assert normalize_timeout_to_timedelta(3) == datetime.timedelta(seconds=3)
assert normalize_timeout_to_timedelta(0.5) == datetime.timedelta(seconds=0.5)
def test_invalid_type_raises_type_error(self):
with pytest.raises(TypeError, match="Invalid timeout type"):
normalize_timeout_to_timedelta(cast(Any, "1"))