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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, print_function, unicode_literals
import itertools
import json
import logging
import math
from mozbuild.util import memoize
from mozpack.path import match as mozpackmatch
from taskgraph import files_changed
import taskgraph
from .. import GECKO
logger = logging.getLogger(__name__)
@memoize
def perfile_number_of_chunks(is_try, try_task_config, head_repository, head_rev, type):
if taskgraph.fast and not is_try:
# When iterating on taskgraph changes, the exact number of chunks that
# test-verify runs usually isn't important, so skip it when going fast.
return 3
tests_per_chunk = 10.0
if type.startswith('test-coverage'):
tests_per_chunk = 30.0
if type.startswith('test-verify-wpt') or type.startswith('test-coverage-wpt'):
file_patterns = ['testing/web-platform/tests/**',
'testing/web-platform/mozilla/tests/**']
elif type.startswith('test-verify-gpu') or type.startswith('test-coverage-gpu'):
file_patterns = ['**/*webgl*/**/test_*',
'**/dom/canvas/**/test_*',
'**/gfx/tests/**/test_*',
'**/devtools/canvasdebugger/**/browser_*',
'**/reftest*/**']
elif type.startswith('test-verify') or type.startswith('test-coverage'):
file_patterns = ['**/test_*',
'**/browser_*',
'**/crashtest*/**',
'js/src/tests/test/**',
'js/src/tests/non262/**',
'js/src/tests/test262/**']
else:
# Returning 0 means no tests to run, this captures non test-verify tasks
return 1
changed_files = set()
if try_task_config:
suite_to_paths = json.loads(try_task_config)
specified_files = itertools.chain.from_iterable(suite_to_paths.values())
changed_files.update(specified_files)
if is_try:
changed_files.update(files_changed.get_locally_changed_files(GECKO))
else:
changed_files.update(files_changed.get_changed_files(head_repository,
head_rev))
test_count = 0
for pattern in file_patterns:
for path in changed_files:
# TODO: consider running tests if a manifest changes
if path.endswith('.list') or path.endswith('.ini'):
continue
if path.endswith('^headers^'):
continue
if mozpackmatch(path, pattern):
gpu = False
if type == 'test-verify-e10s' or type == 'test-coverage-e10s':
# file_patterns for test-verify will pick up some gpu tests, lets ignore
# in the case of reftest, we will not have any in the regular case
gpu_dirs = ['dom/canvas', 'gfx/tests', 'devtools/canvasdebugger', 'webgl']
for gdir in gpu_dirs:
if len(path.split(gdir)) > 1:
gpu = True
if not gpu:
test_count += 1
chunks = test_count/tests_per_chunk
chunks = int(math.ceil(chunks))
# Never return 0 chunks on try, so that per-file tests can be pushed to try with
# an explicit path, and also so "empty" runs can be checked on try.
if is_try and chunks == 0:
chunks = 1
return chunks