def testunit_default_start_time_WHEN_ts_previous_IS_nonzero(self):
# Typical behavior occurs when the timestamp file aleady exists and
# ts_previous is non-zero.
mock_options = mock.Mock()
mock_options.step = 10
ts_previous = FAKE_TIMESTAMP + 9 # ts_previous is not aligned with step.
expected_start = FAKE_TIMESTAMP # But, it will be.
returned_start = mlab_export.default_start_time(mock_options, ts_previous)
self.assertEqual(returned_start, expected_start)
def testunit_default_start_time_WHEN_ts_previous_IS_zero(self, mock_time):
# On first run, ts_previous is zero b/c the timestamp file was just created.
mock_time.return_value = FAKE_TIMESTAMP
mock_options = mock.Mock()
mock_options.update = True
mock_options.step = 10
mock_options.length = 1000
expected_start = FAKE_TIMESTAMP - 1000
returned_start = mlab_export.default_start_time(mock_options, 0)
self.assertEqual(returned_start, expected_start)
def testunit_default_start_time_WHEN_ts_previous_IS_zero(self, mock_time):
# On first run, ts_previous is zero b/c the timestamp file was just created.
mock_time.return_value = FAKE_TIMESTAMP
mock_options = mock.Mock()
mock_options.update = True
mock_options.step = 10
mock_options.length = 1000
expected_start = FAKE_TIMESTAMP - 1000
returned_start = mlab_export.default_start_time(mock_options, 0)
self.assertEqual(returned_start, expected_start)
