| #!/usr/bin/env python |
| # Copyright 2017 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. |
| |
| """Runs traffic_annotation_auditor on the given change list or all files to make |
| sure network traffic annoations are syntactically and semantically correct and |
| all required functions are annotated. |
| """ |
| |
| import os |
| import argparse |
| import sys |
| |
| from annotation_tools import NetworkTrafficAnnotationTools |
| |
| # If this test starts failing, please set TEST_IS_ENABLED to "False" and file a |
| # bug to get this reenabled, and cc the people listed in |
| # //tools/traffic_annotation/OWNERS. |
| TEST_IS_ENABLED = True |
| |
| # Threshold for the change list size to trigger full test. |
| CHANGELIST_SIZE_TO_TRIGGER_FULL_TEST = 100 |
| |
| |
| class NetworkTrafficAnnotationChecker(): |
| EXTENSIONS = ['.cc', '.mm',] |
| ANNOTATIONS_FILE = 'annotations.xml' |
| |
| def __init__(self, build_path=None): |
| """Initializes a NetworkTrafficAnnotationChecker object. |
| |
| Args: |
| build_path: str Absolute or relative path to a fully compiled build |
| directory. If not specified, the script tries to find it based on |
| relative position of this file (src/tools/traffic_annotation). |
| """ |
| self.tools = NetworkTrafficAnnotationTools(build_path) |
| |
| def IsAnnotationsFile(self, file_path): |
| """Returns true if the given file is the annotations file.""" |
| return os.path.basename(file_path) == self.ANNOTATIONS_FILE |
| |
| def ShouldCheckFile(self, file_path): |
| """Returns true if the input file has an extension relevant to network |
| traffic annotations.""" |
| return os.path.splitext(file_path)[1] in self.EXTENSIONS |
| |
| def GetFilePaths(self, complete_run, limit): |
| if complete_run: |
| return [] |
| |
| # Get list of modified files. If failed, silently ignore as the test is |
| # run in error resilient mode. |
| file_paths = self.tools.GetModifiedFiles() or [] |
| |
| annotations_file_changed = any( |
| self.IsAnnotationsFile(file_path) for file_path in file_paths) |
| |
| # If the annotations file has changed, trigger a full test to avoid |
| # missing a case where the annotations file has changed, but not the |
| # corresponding file, causing a mismatch that is not detected by just |
| # checking the changed .cc and .mm files. |
| if annotations_file_changed: |
| return [] |
| |
| file_paths = [ |
| file_path for file_path in file_paths if self.ShouldCheckFile( |
| file_path)] |
| if not file_paths: |
| return None |
| |
| # If the number of changed files in the CL exceeds a threshold, trigger |
| # full test to avoid sending very long list of arguments and possible |
| # failure in argument buffers. |
| if len(file_paths) > CHANGELIST_SIZE_TO_TRIGGER_FULL_TEST: |
| file_paths = [] |
| |
| return file_paths |
| |
| def CheckFiles(self, complete_run, limit): |
| """Passes all given files to traffic_annotation_auditor to be checked for |
| possible violations of network traffic annotation rules. |
| |
| Args: |
| complete_run: bool Flag requesting to run test on all relevant files. |
| limit: int The upper threshold for number of errors and warnings. Use 0 |
| for unlimited. |
| |
| Returns: |
| int Exit code of the network traffic annotation auditor. |
| """ |
| if not self.tools.CanRunAuditor(): |
| print("Network traffic annotation presubmit check was not performed. A " |
| "compiled build directory and traffic_annotation_auditor binary " |
| "are required to do it.") |
| return 0 |
| |
| file_paths = self.GetFilePaths(complete_run, limit) |
| if file_paths is None: |
| return 0 |
| |
| args = ["--test-only", "--limit=%i" % limit, "--error-resilient"] + \ |
| file_paths |
| |
| stdout_text, stderr_text, return_code = self.tools.RunAuditor(args) |
| |
| if stdout_text: |
| print(stdout_text) |
| if stderr_text: |
| print("\n[Runtime Messages]:\n%s" % stderr_text) |
| return return_code |
| |
| |
| def main(): |
| if not TEST_IS_ENABLED: |
| return 0 |
| |
| parser = argparse.ArgumentParser( |
| description="Network Traffic Annotation Presubmit checker.") |
| parser.add_argument( |
| '--build-path', |
| help='Specifies a compiled build directory, e.g. out/Debug. If not ' |
| 'specified, the script tries to guess it. Will not proceed if not ' |
| 'found.') |
| parser.add_argument( |
| '--limit', default=5, |
| help='Limit for the maximum number of returned errors and warnings. ' |
| 'Default value is 5, use 0 for unlimited.') |
| parser.add_argument( |
| '--complete', action='store_true', |
| help='Run the test on the complete repository. Otherwise only the ' |
| 'modified files are tested.') |
| |
| args = parser.parse_args() |
| checker = NetworkTrafficAnnotationChecker(args.build_path) |
| return checker.CheckFiles(args.complete, args.limit) |
| |
| |
| if '__main__' == __name__: |
| sys.exit(main()) |