| # Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Common utility functions. |
| |
| Used by >1 module. |
| """ |
| |
| |
| import os |
| |
| |
| FIELD_SEPARATOR = ',' |
| |
| |
| def AbridgeCommonKeyPrefix(test_name, test_keys): |
| """Easier to read if common part stripped off keys in legend.""" |
| new_test_keys = test_keys |
| if len(test_keys) > 1: |
| common_prefix = os.path.commonprefix(test_keys) |
| prefix_len = len(common_prefix) |
| if prefix_len > 0: |
| new_test_keys = [] |
| test_name += ' - %s' % common_prefix |
| for test_key in test_keys: |
| new_test_keys.append(test_key[prefix_len:]) |
| return test_name, new_test_keys |
| |
| |
| def GetTestNameKeys(testkey): |
| """Helper to retrieve test_name and test_keys from request.""" |
| test_name_keys = testkey.split(FIELD_SEPARATOR) |
| return test_name_keys[0], test_name_keys[1:] |
