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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 unicode_literals
import json
import os
import sys
import environment as env
import products
import testloader
import wptcommandline
import wptlogging
import wpttest
from testrunner import ManagerGroup
here = os.path.split(__file__)[0]
logger = None
"""Runner for web-platform-tests
The runner has several design goals:
* Tests should run with no modification from upstream.
* Tests should be regarded as "untrusted" so that errors, timeouts and even
crashes in the tests can be handled without failing the entire test run.
* For performance tests can be run in multiple browsers in parallel.
The upstream repository has the facility for creating a test manifest in JSON
format. This manifest is used directly to determine which tests exist. Local
metadata files are used to store the expected test results.
"""
def setup_logging(*args, **kwargs):
global logger
logger = wptlogging.setup(*args, **kwargs)
def get_loader(test_paths, product, ssl_env, debug=None, run_info_extras=None, **kwargs):
if run_info_extras is None:
run_info_extras = {}
run_info = wpttest.get_run_info(kwargs["run_info"], product, debug=debug,
extras=run_info_extras)
test_manifests = testloader.ManifestLoader(test_paths, force_manifest_update=kwargs["manifest_update"]).load()
manifest_filters = []
meta_filters = []
if kwargs["include"] or kwargs["exclude"] or kwargs["include_manifest"]:
manifest_filters.append(testloader.TestFilter(include=kwargs["include"],
exclude=kwargs["exclude"],
manifest_path=kwargs["include_manifest"],
test_manifests=test_manifests))
if kwargs["tags"]:
meta_filters.append(testloader.TagFilter(tags=kwargs["tags"]))
test_loader = testloader.TestLoader(test_manifests,
kwargs["test_types"],
run_info,
manifest_filters=manifest_filters,
meta_filters=meta_filters,
chunk_type=kwargs["chunk_type"],
total_chunks=kwargs["total_chunks"],
chunk_number=kwargs["this_chunk"],
include_https=ssl_env.ssl_enabled)
return run_info, test_loader
def list_test_groups(test_paths, product, **kwargs):
env.do_delayed_imports(logger, test_paths)
ssl_env = env.ssl_env(logger, **kwargs)
run_info, test_loader = get_loader(test_paths, product, ssl_env,
**kwargs)
for item in sorted(test_loader.groups(kwargs["test_types"])):
print item
def list_disabled(test_paths, product, **kwargs):
env.do_delayed_imports(logger, test_paths)
rv = []
ssl_env = env.ssl_env(logger, **kwargs)
run_info, test_loader = get_loader(test_paths, product, ssl_env,
**kwargs)
for test_type, tests in test_loader.disabled_tests.iteritems():
for test in tests:
rv.append({"test": test.id, "reason": test.disabled()})
print json.dumps(rv, indent=2)
def get_pause_after_test(test_loader, **kwargs):
total_tests = sum(len(item) for item in test_loader.tests.itervalues())
if kwargs["pause_after_test"] is None:
if kwargs["repeat_until_unexpected"]:
return False
if kwargs["repeat"] == 1 and total_tests == 1:
return True
return False
return kwargs["pause_after_test"]
def run_tests(config, test_paths, product, **kwargs):
with wptlogging.CaptureIO(logger, not kwargs["no_capture_stdio"]):
env.do_delayed_imports(logger, test_paths)
(check_args,
browser_cls, get_browser_kwargs,
executor_classes, get_executor_kwargs,
env_options, run_info_extras) = products.load_product(config, product)
ssl_env = env.ssl_env(logger, **kwargs)
check_args(**kwargs)
if "test_loader" in kwargs:
run_info = wpttest.get_run_info(kwargs["run_info"], product, debug=None,
extras=run_info_extras(**kwargs))
test_loader = kwargs["test_loader"]
else:
run_info, test_loader = get_loader(test_paths,
product,
ssl_env,
run_info_extras=run_info_extras(**kwargs),
**kwargs)
if kwargs["run_by_dir"] is False:
test_source_cls = testloader.SingleTestSource
test_source_kwargs = {}
else:
# A value of None indicates infinite depth
test_source_cls = testloader.PathGroupedSource
test_source_kwargs = {"depth": kwargs["run_by_dir"]}
logger.info("Using %i client processes" % kwargs["processes"])
unexpected_total = 0
kwargs["pause_after_test"] = get_pause_after_test(test_loader, **kwargs)
with env.TestEnvironment(test_paths,
ssl_env,
kwargs["pause_after_test"],
kwargs["debug_info"],
env_options) as test_environment:
try:
test_environment.ensure_started()
except env.TestEnvironmentError as e:
logger.critical("Error starting test environment: %s" % e.message)
raise
browser_kwargs = get_browser_kwargs(ssl_env=ssl_env, **kwargs)
repeat = kwargs["repeat"]
repeat_count = 0
repeat_until_unexpected = kwargs["repeat_until_unexpected"]
while repeat_count < repeat or repeat_until_unexpected:
repeat_count += 1
if repeat_until_unexpected:
logger.info("Repetition %i" % (repeat_count))
elif repeat > 1:
logger.info("Repetition %i / %i" % (repeat_count, repeat))
unexpected_count = 0
logger.suite_start(test_loader.test_ids, run_info)
for test_type in kwargs["test_types"]:
logger.info("Running %s tests" % test_type)
for test in test_loader.disabled_tests[test_type]:
logger.test_start(test.id)
logger.test_end(test.id, status="SKIP")
executor_cls = executor_classes.get(test_type)
executor_kwargs = get_executor_kwargs(test_type,
test_environment.external_config,
test_environment.cache_manager,
run_info,
**kwargs)
if executor_cls is None:
logger.error("Unsupported test type %s for product %s" %
(test_type, product))
continue
with ManagerGroup("web-platform-tests",
kwargs["processes"],
test_source_cls,
test_source_kwargs,
browser_cls,
browser_kwargs,
executor_cls,
executor_kwargs,
kwargs["pause_after_test"],
kwargs["pause_on_unexpected"],
kwargs["debug_info"]) as manager_group:
try:
manager_group.run(test_type, test_loader.tests)
except KeyboardInterrupt:
logger.critical("Main thread got signal")
manager_group.stop()
raise
unexpected_count += manager_group.unexpected_count()
unexpected_total += unexpected_count
logger.info("Got %i unexpected results" % unexpected_count)
if repeat_until_unexpected and unexpected_total > 0:
break
logger.suite_end()
return unexpected_total == 0
def main():
"""Main entry point when calling from the command line"""
kwargs = wptcommandline.parse_args()
try:
if kwargs["prefs_root"] is None:
kwargs["prefs_root"] = os.path.abspath(os.path.join(here, "prefs"))
setup_logging(kwargs, {"raw": sys.stdout})
if kwargs["list_test_groups"]:
list_test_groups(**kwargs)
elif kwargs["list_disabled"]:
list_disabled(**kwargs)
else:
return not run_tests(**kwargs)
except Exception:
if kwargs["pdb"]:
import pdb, traceback
print traceback.format_exc()
pdb.post_mortem()
else:
raise
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