diff options
| -rw-r--r-- | storperf/utilities/steady_state.py | 4 | ||||
| -rw-r--r-- | tests/utilities_tests/steady_state_test.py | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/storperf/utilities/steady_state.py b/storperf/utilities/steady_state.py index 8bfcb93..233bc78 100644 --- a/storperf/utilities/steady_state.py +++ b/storperf/utilities/steady_state.py @@ -34,8 +34,8 @@ def steady_state(data_series): average_value is not None): # Verification of the Steady State conditions following the SNIA # definition - range_condition = range_value < 0.20 * abs(average_value) - slope_condition = slope_value < 0.10 * abs(average_value) + range_condition = abs(range_value) < 0.20 * abs(average_value) + slope_condition = abs(slope_value) < 0.10 * abs(average_value) steady_state = range_condition and slope_condition diff --git a/tests/utilities_tests/steady_state_test.py b/tests/utilities_tests/steady_state_test.py index d80c60d..564c090 100644 --- a/tests/utilities_tests/steady_state_test.py +++ b/tests/utilities_tests/steady_state_test.py @@ -57,3 +57,9 @@ class SteadyStateTest(unittest.TestCase): data_series = [[-15, 0.43], [-16, 0.41], [-3, 0.45], [4, 0.42]] actual = SteadyState.steady_state(data_series) self.assertEqual(expected, actual) + + def test_negative_slope(self): + expected = False + data_series = [[1.3, 1], [1.2, 1], [1.1, 1.1], [1.0, 1.1]] + actual = SteadyState.steady_state(data_series) + self.assertEqual(expected, actual) |