| # Copyright 2016 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import copy |
| from telemetry.value import failure |
| from telemetry.value import improvement_direction |
| from telemetry.value import scalar |
| |
| |
| def TranslateMreFailure(mre_failure, page): |
| return failure.FailureValue.FromMessage(page, mre_failure.stack) |
| |
| |
| def TranslateScalarValue(scalar_value, page): |
| assert IsScalarNumericValue(scalar_value) |
| |
| # This function should not modify scalar_value because it is also held by |
| # PageTestResults.value_set. |
| scalar_value = copy.deepcopy(scalar_value) |
| |
| value = scalar_value['numeric']['value'] |
| scalar_value['value'] = value |
| if value is None: |
| scalar_value['none_value_reason'] = 'Common scalar contained None' |
| |
| name = scalar_value['name'] |
| |
| unit_parts = scalar_value['numeric']['unit'].split('_') |
| if len(unit_parts) != 2: |
| raise ValueError('Must specify improvement direction for value ' + name) |
| |
| scalar_value['units'] = unit_parts[0] |
| scalar_value['description'] = scalar_value.get('options', {}).get( |
| 'description') |
| |
| if unit_parts[1] == 'biggerIsBetter': |
| scalar_value['improvement_direction'] = improvement_direction.UP |
| else: |
| assert unit_parts[1] == 'smallerIsBetter' |
| scalar_value['improvement_direction'] = improvement_direction.DOWN |
| |
| scalar_value['page_id'] = page.id |
| scalar_value['name'] = name |
| return scalar.ScalarValue.FromDict(scalar_value, {page.id: page}) |
| |
| |
| def IsScalarNumericValue(value_dict): |
| return (value_dict.get('type') == 'numeric' and |
| value_dict['numeric'].get('type') == 'scalar') |