# -*- coding: utf-8 -*-
"""Tests for metrics_common utilities."""
# Standard
from types import SimpleNamespace
# First-Party
from mcpgateway.utils.metrics_common import build_top_performers
def test_build_top_performers_converts_types():
result = SimpleNamespace(
id=1,
name="tool",
execution_count=5,
avg_response_time=1.23,
success_rate=99.9,
last_execution=None,
)
performers = build_top_performers([result])
assert performers[0].id == 1
assert performers[0].name == "tool"
assert performers[0].execution_count == 5
assert performers[0].avg_response_time == 1.23
assert performers[0].success_rate == 99.9
assert performers[0].last_execution is None
def test_build_top_performers_handles_missing_values():
result = SimpleNamespace(
id=2,
name="tool2",
execution_count=None,
avg_response_time=None,
success_rate=None,
last_execution=None,
)
performers = build_top_performers([result])
assert performers[0].execution_count == 0
assert performers[0].avg_response_time is None
assert performers[0].success_rate is None
assert performers[0].last_execution is None
