build/android/pylib/linker/setup.py

   1 # Copyright 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.
   4
   5 """Setup for linker tests."""
   6
   7 import logging
   8 import os
   9 import sys
  10
  11 from pylib import constants
  12 from pylib.linker import test_case
  13 from pylib.linker import test_runner
  14
  15 sys.path.insert(0,
  16                 os.path.join(constants.DIR_SOURCE_ROOT, 'build', 'util', 'lib',
  17                              'common'))
  18 import unittest_util # pylint: disable=F0401
  19
  20 # ModernLinker requires Android M (API level 23) or later.
  21 _VERSION_SDK_PROPERTY = 'ro.build.version.sdk'
  22 _MODERN_LINKER_MINIMUM_SDK_INT = 23
  23
  24 def Setup(args, devices):
  25   """Creates a list of test cases and a runner factory.
  26
  27   Args:
  28     args: an argparse.Namespace object.
  29     devices: an iterable of available devices.
  30   Returns:
  31     A tuple of (TestRunnerFactory, tests).
  32   """
  33   legacy_linker_tests = [
  34       test_case.LinkerSharedRelroTest(is_modern_linker=False,
  35                                       is_low_memory=False),
  36       test_case.LinkerSharedRelroTest(is_modern_linker=False,
  37                                       is_low_memory=True),
  38   ]
  39   modern_linker_tests = [
  40       test_case.LinkerSharedRelroTest(is_modern_linker=True),
  41   ]
  42
  43   min_sdk_int = 1 << 31
  44   for device in devices:
  45     min_sdk_int = min(min_sdk_int, device.build_version_sdk)
  46
  47   if min_sdk_int >= _MODERN_LINKER_MINIMUM_SDK_INT:
  48     all_tests = legacy_linker_tests + modern_linker_tests
  49   else:
  50     all_tests = legacy_linker_tests
  51     logging.warn('Not running LinkerModern tests (requires API %d, found %d)',
  52                  _MODERN_LINKER_MINIMUM_SDK_INT, min_sdk_int)
  53
  54   if args.test_filter:
  55     all_test_names = [test.qualified_name for test in all_tests]
  56     filtered_test_names = unittest_util.FilterTestNames(all_test_names,
  57                                                         args.test_filter)
  58     all_tests = [t for t in all_tests \
  59                  if t.qualified_name in filtered_test_names]
  60
  61   def TestRunnerFactory(device, _shard_index):
  62     return test_runner.LinkerTestRunner(device, args.tool)
  63
  64   return (TestRunnerFactory, all_tests)