gecko-dev/taskcluster/taskgraph/task/test.py

113 строки
4.7 KiB
Python

# 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 copy
import logging
from . import transform
from ..util.yaml import load_yaml
logger = logging.getLogger(__name__)
class TestTask(transform.TransformTask):
"""
A task implementing a Gecko test.
"""
@classmethod
def get_inputs(cls, kind, path, config, params, loaded_tasks):
# the kind on which this one depends
if len(config.get('kind-dependencies', [])) != 1:
raise Exception("TestTask kinds must have exactly one item in kind-dependencies")
dep_kind = config['kind-dependencies'][0]
# get build tasks, keyed by build platform
builds_by_platform = cls.get_builds_by_platform(dep_kind, loaded_tasks)
# get the test platforms for those build tasks
test_platforms_cfg = load_yaml(path, 'test-platforms.yml')
test_platforms = cls.get_test_platforms(test_platforms_cfg, builds_by_platform)
# expand the test sets for each of those platforms
test_sets_cfg = load_yaml(path, 'test-sets.yml')
test_platforms = cls.expand_tests(test_sets_cfg, test_platforms)
# load the test descriptions
test_descriptions = load_yaml(path, 'tests.yml')
# generate all tests for all test platforms
for test_platform_name, test_platform in test_platforms.iteritems():
for test_name in test_platform['test-names']:
test = copy.deepcopy(test_descriptions[test_name])
test['build-platform'] = test_platform['build-platform']
test['test-platform'] = test_platform_name
test['build-label'] = test_platform['build-label']
test['test-name'] = test_name
logger.debug("Generating tasks for {} test {} on platform {}".format(
kind, test_name, test['test-platform']))
yield test
@classmethod
def get_builds_by_platform(cls, dep_kind, loaded_tasks):
"""Find the build tasks on which tests will depend, keyed by
platform/type. Returns a dictionary mapping build platform to task
label."""
builds_by_platform = {}
for task in loaded_tasks:
if task.kind != dep_kind:
continue
build_platform = task.attributes.get('build_platform')
build_type = task.attributes.get('build_type')
if not build_platform or not build_type:
continue
platform = "{}/{}".format(build_platform, build_type)
if platform in builds_by_platform:
raise Exception("multiple build jobs for " + platform)
builds_by_platform[platform] = task.label
return builds_by_platform
@classmethod
def get_test_platforms(cls, test_platforms_cfg, builds_by_platform):
"""Get the test platforms for which test tasks should be generated,
based on the available build platforms. Returns a dictionary mapping
test platform to {test-set, build-platform, build-label}."""
test_platforms = {}
for test_platform, cfg in test_platforms_cfg.iteritems():
build_platform = cfg['build-platform']
if build_platform not in builds_by_platform:
logger.warning(
"No build task with platform {}; ignoring test platform {}".format(
build_platform, test_platform))
continue
test_platforms[test_platform] = {
'test-set': cfg['test-set'],
'build-platform': build_platform,
'build-label': builds_by_platform[build_platform],
}
return test_platforms
@classmethod
def expand_tests(cls, test_sets_cfg, test_platforms):
"""Expand the test sets in `test_platforms` out to sets of test names.
Returns a dictionary like `get_test_platforms`, with an additional
`test-names` key for each test platform, containing a set of test
names."""
rv = {}
for test_platform, cfg in test_platforms.iteritems():
test_set = cfg['test-set']
if test_set not in test_sets_cfg:
raise Exception(
"Test set '{}' for test platform {} is not defined".format(
test_set, test_platform))
test_names = test_sets_cfg[test_set]
rv[test_platform] = cfg.copy()
rv[test_platform]['test-names'] = test_names
return rv