1#!/usr/bin/env vpython3 2 3# Copyright 2024 The Chromium Authors 4# Use of this source code is governed by a BSD-style license that can be 5# found in the LICENSE file. 6"""File for testing metric.py.""" 7 8import unittest 9from average import Average 10from count import Count 11from metric import Metric 12 13 14class MetricTest(unittest.TestCase): 15 """Test metric.py.""" 16 17 def test_no_metric(self) -> None: 18 m = Metric() 19 self.assertFalse(m.dump().metrics) 20 21 def test_multiple_metrics(self) -> None: 22 m = Metric() 23 m.register(Average("a")) 24 m.register(Average("b")) 25 m.register(Count("c")) 26 self.assertEqual(len(m.dump().metrics), 3) 27 28 29if __name__ == '__main__': 30 unittest.main() 31