blob: 31535161a5a913d9813218ba0ed1ff5c2f0bee1b [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2022 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
"""Tests for the timestamp analyzer."""
import unittest
from pw_chrono.timestamp_analyzer import process_snapshot
from pw_chrono_protos import chrono_pb2
class TimestampTest(unittest.TestCase):
"""Test for the timestamp analyzer."""
def test_no_timepoint(self):
time_stamps = chrono_pb2.SnapshotTimestamps()
self.assertEqual('', str(process_snapshot(time_stamps)))
def test_timestamp_unknown_epoch_type(self):
time_stamps = chrono_pb2.SnapshotTimestamps()
time_point = chrono_pb2.TimePoint()
unkown = chrono_pb2.EpochType.Enum.UNKNOWN
time_point.clock_parameters.epoch_type = unkown
time_stamps.timestamps.append(time_point)
expected = '\n'.join(('Snapshot capture timestamp',
' Time since unknown epoch 0: unknown'))
self.assertEqual(expected, str(process_snapshot(time_stamps)))
def test_timestamp_with_time_since_boot(self):
time_stamps = chrono_pb2.SnapshotTimestamps()
time_point = chrono_pb2.TimePoint()
time_since_boot = chrono_pb2.EpochType.Enum.TIME_SINCE_BOOT
time_point.clock_parameters.epoch_type = time_since_boot
time_point.timestamp = 100
time_point.clock_parameters.tick_period_seconds_numerator = 1
time_point.clock_parameters.tick_period_seconds_denominator = 1000
time_stamps.timestamps.append(time_point)
expected = '\n'.join(
('Snapshot capture timestamp', ' Time since boot: 2:24:00'))
self.assertEqual(expected, str(process_snapshot(time_stamps)))
def test_timestamp_with_utc_wall_clock(self):
time_stamps = chrono_pb2.SnapshotTimestamps()
time_point = chrono_pb2.TimePoint()
utc_wall_clock = chrono_pb2.EpochType.Enum.UTC_WALL_CLOCK
time_point.clock_parameters.epoch_type = utc_wall_clock
time_point.timestamp = 100
time_point.clock_parameters.tick_period_seconds_numerator = 1
time_point.clock_parameters.tick_period_seconds_denominator = 1000
time_stamps.timestamps.append(time_point)
expected = '\n'.join(('Snapshot capture timestamp',
' UTC time: 1970-01-01 02:24:00'))
self.assertEqual(expected, str(process_snapshot(time_stamps)))
def test_timestamp_with_time_since_boot_and_utc_wall_clock(self):
time_stamps = chrono_pb2.SnapshotTimestamps()
time_point = chrono_pb2.TimePoint()
time_since_boot = chrono_pb2.EpochType.Enum.TIME_SINCE_BOOT
time_point.clock_parameters.epoch_type = time_since_boot
time_point.timestamp = 100
time_point.clock_parameters.tick_period_seconds_numerator = 1
time_point.clock_parameters.tick_period_seconds_denominator = 1000
time_stamps.timestamps.append(time_point)
time_point = chrono_pb2.TimePoint()
utc_wall_clock = chrono_pb2.EpochType.Enum.UTC_WALL_CLOCK
time_point.clock_parameters.epoch_type = utc_wall_clock
time_point.timestamp = 100
time_point.clock_parameters.tick_period_seconds_numerator = 1
time_point.clock_parameters.tick_period_seconds_denominator = 1000
time_stamps.timestamps.append(time_point)
expected = '\n'.join(
('Snapshot capture timestamps', ' Time since boot: 2:24:00',
' UTC time: 1970-01-01 02:24:00'))
self.assertEqual(expected, str(process_snapshot(time_stamps)))