1 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file.
5 """Top-level presubmit script for auto-bisect.
7 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for
8 details on the presubmit API.
15 # Paths to bisect config files relative to src/tools.
17 'auto_bisect/config.cfg',
21 def CheckChangeOnUpload(input_api, output_api):
22 return _CommonChecks(input_api, output_api)
25 def CheckChangeOnCommit(input_api, output_api):
26 return _CommonChecks(input_api, output_api)
29 def _CommonChecks(input_api, output_api):
30 """Does all presubmit checks for auto-bisect."""
32 results.extend(_CheckAllConfigFiles(input_api, output_api))
33 results.extend(_RunUnitTests(input_api, output_api))
34 results.extend(_RunPyLint(input_api, output_api))
38 def _CheckAllConfigFiles(input_api, output_api):
39 """Checks all bisect config files and returns a list of presubmit results."""
41 for f in input_api.AffectedFiles():
42 for config_file in CONFIG_FILES:
43 if f.LocalPath().endswith(config_file):
44 results.extend(_CheckConfigFile(config_file, output_api))
48 def _CheckConfigFile(file_path, output_api):
49 """Checks one bisect config file and returns a list of presubmit results."""
51 config_file = imp.load_source('config', file_path)
53 warning = 'Failed to read config file %s: %s' % (file_path, str(e))
54 return [output_api.PresubmitError(warning, items=[file_path])]
56 if not hasattr(config_file.config):
57 warning = 'Config file has no "config" global variable: %s' % str(e)
58 return [output_api.PresubmitError(warning, items=[file_path])]
60 if type(config_file.config) is not dict:
61 warning = 'Config file "config" global variable is not dict: %s' % str(e)
62 return [output_api.PresubmitError(warning, items=[file_path])]
64 for k, v in config_file.config.iteritems():
66 warning = 'Non-empty value in config dict: %s: %s' % (repr(k), repr(v))
67 warning += ('\nThe bisection config file should only contain a config '
68 'dict with empty fields. Changes to this file should not '
70 return [output_api.PresubmitError(warning, items=[file_path])]
75 def _RunUnitTests(input_api, output_api):
76 """Runs unit tests for auto-bisect."""
77 repo_root = input_api.change.RepositoryRoot()
78 auto_bisect_dir = os.path.join(repo_root, 'tools', 'auto_bisect')
79 test_runner = os.path.join(auto_bisect_dir, 'run_tests')
80 return_code = subprocess.call(['python', test_runner])
82 message = 'Auto-bisect unit tests did not all pass.'
83 return [output_api.PresubmitError(message)]
87 def _RunPyLint(input_api, output_api):
88 """Runs unit tests for auto-bisect."""
89 telemetry_path = os.path.join(
90 input_api.PresubmitLocalPath(), os.path.pardir, 'telemetry')
91 tests = input_api.canned_checks.GetPylint(
92 input_api, output_api, extra_paths_list=[telemetry_path])
93 return input_api.RunTests(tests)