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| 1 # Copyright 2012 Google Inc. All Rights Reserved. |
| 2 # |
| 3 # Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 # you may not use this file except in compliance with the License. |
| 5 # You may obtain a copy of the License at |
| 6 # |
| 7 # http://www.apache.org/licenses/LICENSE-2.0 |
| 8 # |
| 9 # Unless required by applicable law or agreed to in writing, software |
| 10 # distributed under the License is distributed on an "AS IS" BASIS, |
| 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 # See the License for the specific language governing permissions and |
| 13 # limitations under the License. |
| 14 # |
| 15 """Contains functionality for integrating unit-tests with gcl presubmit |
| 16 checks.""" |
| 17 import os |
| 18 import sys |
| 19 |
| 20 |
| 21 def MakeResult(output_api, message, committing, modified_files=None): |
| 22 """Makes a gcl result. Makes a PresubmitError result if |
| 23 |committing| is True, otherwise makes a PresubmitNotifyResult.""" |
| 24 if not modified_files: |
| 25 modified_files = [] |
| 26 if committing: |
| 27 return output_api.PresubmitError(message, modified_files) |
| 28 else: |
| 29 return output_api.PresubmitNotifyResult(message, modified_files) |
| 30 |
| 31 |
| 32 def GetTestSuccessPath(build_path, configuration, testname): |
| 33 """Returns the path to the success file for the given test and |
| 34 configuration. |build_path| is the path to the "build" directory.""" |
| 35 |
| 36 return os.path.abspath(os.path.join(build_path, |
| 37 configuration, |
| 38 '%s_success.txt' % testname)) |
| 39 |
| 40 |
| 41 def GetModifiedFiles(input_api, since=0): |
| 42 """Returns a list of files that have been modified since |since|. |
| 43 If |since| is a file, uses its modification time.""" |
| 44 if isinstance(since, basestring): |
| 45 try: |
| 46 since = os.stat(since).st_mtime |
| 47 # We don't specify the exception type here as it varies depending on the |
| 48 # OS. |
| 49 except: # pylint: disable=W0702 |
| 50 since = 0 |
| 51 |
| 52 modified_files = [] |
| 53 for f in input_api.AffectedFiles(include_deletes = False): |
| 54 file_time = os.stat(f.AbsoluteLocalPath()).st_mtime |
| 55 if file_time > since: |
| 56 modified_files.append(f.LocalPath()) |
| 57 return modified_files |
| 58 |
| 59 |
| 60 def CheckTestSuccess(input_api, output_api, committing, configuration, |
| 61 test_name, message=None): |
| 62 """Returns a list of files that have changed since the last time the |
| 63 given test was run. If the test needs to be re-run and |message| is a |
| 64 str, will also output the provided message.""" |
| 65 # By convention, a test called NAME will generate NAME_success.txt in the |
| 66 # appropriate output directory. |
| 67 test_utils_path = os.path.join(input_api.PresubmitLocalPath(), 'py', |
| 68 'test_utils') |
| 69 sys.path.append(test_utils_path) |
| 70 import syzygy |
| 71 build_path = syzygy.GetBuildDir() |
| 72 success_path = GetTestSuccessPath(build_path, |
| 73 configuration, |
| 74 test_name) |
| 75 modified_files = GetModifiedFiles(input_api, success_path) |
| 76 if len(modified_files) == 0: |
| 77 return [] |
| 78 |
| 79 results = [] |
| 80 |
| 81 if message: |
| 82 results.append(MakeResult(output_api, message, committing)) |
| 83 |
| 84 results.append(MakeResult(output_api, |
| 85 'These files have been modified since %s %s test ran last' % |
| 86 (configuration, test_name), |
| 87 committing, |
| 88 modified_files=modified_files)) |
| 89 |
| 90 return results |
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