#!/usr/bin/env vpython3

# Copyright 2024 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""File for testing data_points.py."""

import unittest
from data_points import DataPoints


class DataPointsTest(unittest.TestCase):
    """Test data_points.py."""

    def test_no_record(self) -> None:
        points = DataPoints("a")
        self.assertEqual(points.dump().name, "a")
        self.assertEqual(len(points.dump().points.points), 0)

    def test_one_record(self) -> None:
        points = DataPoints("b")
        points.record(101)
        self.assertEqual(points.dump().name, "b")
        self.assertEqual(len(points.dump().points.points), 1)
        self.assertEqual(points.dump().points.points[0].value, 101)

    def test_more_records(self) -> None:
        points = DataPoints("c")
        points.record(1)
        points.record(2)
        points.record(True)
        points.record(3.14)
        self.assertEqual(points.dump().name, "c")
        self.assertEqual(len(points.dump().points.points), 4)
        self.assertEqual(points.dump().points.points[0].value, 1)
        self.assertEqual(points.dump().points.points[1].value, 2)
        self.assertEqual(points.dump().points.points[2].value, 1)
        self.assertEqual(points.dump().points.points[3].value, 3.14)


if __name__ == '__main__':
    unittest.main()