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SConstruct
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SConstruct
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#! -*- python2 -*-
# Copyright (c) 2012 The Native Client Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import atexit
import os
import platform
import re
import subprocess
import sys
import zlib
sys.path.append("./common")
sys.path.append('../src/third_party')
from SCons.Errors import UserError
from SCons.Script import GetBuildFailures
import SCons.Warnings
import SCons.Util
SCons.Warnings.warningAsException()
sys.path.append("tools")
import command_tester
import test_lib
# NOTE: Underlay for src/third_party_mod/gtest
# TODO: try to eliminate this hack
Dir('src/third_party_mod/gtest').addRepository(
Dir('#/../testing/gtest'))
# turning garbage collection off reduces startup time by 10%
import gc
gc.disable()
import distutils.sysconfig
# REPORT
CMD_COUNTER = {}
ENV_COUNTER = {}
def PrintFinalReport():
"""This function is run just before scons exits and dumps various reports.
"""
# Note, these global declarations are not strictly necessary
global pre_base_env
global CMD_COUNTER
global ENV_COUNTER
if pre_base_env.Bit('target_stats'):
print
print '*' * 70
print 'COMMAND EXECUTION REPORT'
print '*' * 70
for k in sorted(CMD_COUNTER.keys()):
print "%4d %s" % (CMD_COUNTER[k], k)
print
print '*' * 70
print 'ENVIRONMENT USAGE REPORT'
print '*' * 70
for k in sorted(ENV_COUNTER.keys()):
print "%4d %s" % (ENV_COUNTER[k], k)
failures = GetBuildFailures()
if not failures:
return
print
print '*' * 70
print 'ERROR REPORT: %d failures' % len(failures)
print '*' * 70
print
for f in failures:
for node in Flatten(f.node):
test_name = GetTestName(node)
raw_name = str(node.path)
# If this wasn't a test, "GetTestName" will return raw_name.
if test_name != raw_name:
test_name = '%s (%s)' % (test_name, raw_name)
print "%s failed: %s\n" % (test_name, f.errstr)
atexit.register(PrintFinalReport)
def VerboseConfigInfo(env):
"Should we print verbose config information useful for bug reports"
if '--help' in sys.argv: return False
if env.Bit('prebuilt') or env.Bit('built_elsewhere'): return False
return env.Bit('sysinfo')
# SANITY CHECKS
# NOTE BitFromArgument(...) implicitly defines additional ACCEPTABLE_ARGUMENTS.
ACCEPTABLE_ARGUMENTS = set([
# TODO: add comments what these mean
# TODO: check which ones are obsolete
#### ASCII SORTED ####
# Use a destination directory other than the default "scons-out".
'DESTINATION_ROOT',
'MODE',
'SILENT',
# Limit bandwidth of browser tester
'browser_tester_bw',
# Location to download Chromium binaries to and/or read them from.
'chrome_binaries_dir',
# used for chrome_browser_tests: path to the browser
'chrome_browser_path',
# A comma-separated list of test names to disable by excluding the
# tests from a test suite. For example, 'small_tests
# disable_tests=run_hello_world_test' will run small_tests without
# including hello_world_test. Note that if a test listed here
# does not exist you will not get an error or a warning.
'disable_tests',
# used for chrome_browser_tests: path to a pre-built browser plugin.
'force_ppapi_plugin',
# force emulator use by tests
'force_emulator',
# force sel_ldr use by tests
'force_sel_ldr',
# force irt image used by tests
'force_irt',
# Replacement memcheck command for overriding the DEPS-in memcheck
# script. May have commas to separate separate shell args. There
# is no quoting, so this implies that this mechanism will fail if
# the args actually need to have commas. See
# http://code.google.com/p/nativeclient/issues/detail?id=3158 for
# the discussion of why this argument is needed.
'memcheck_command',
# If the replacement memcheck command only works for trusted code,
# set memcheck_trusted_only to non-zero.
'memcheck_trusted_only',
# colon-separated list of linker flags, e.g. "-lfoo:-Wl,-u,bar".
'nacl_linkflags',
# colon-separated list of pnacl bcld flags, e.g. "-lfoo:-Wl,-u,bar".
# Not using nacl_linkflags since that gets clobbered in some tests.
'pnacl_bcldflags',
'naclsdk_mode',
'pnaclsdk_mode',
'platform',
# Run tests under this tool (e.g. valgrind, tsan, strace, etc).
# If the tool has options, pass them after comma: 'tool,--opt1,--opt2'.
# NB: no way to use tools the names or the args of
# which contains a comma.
'run_under',
# More args for the tool.
'run_under_extra_args',
# Multiply timeout values by this number.
'scale_timeout',
# test_wrapper specifies a wrapper program such as
# tools/run_test_via_ssh.py, which runs tests on a remote host
# using rsync and SSH. Example usage:
# ./scons run_hello_world_test platform=arm force_emulator= \
# test_wrapper="./tools/run_test_via_ssh.py --host=armbox --subdir=tmp"
'test_wrapper',
# Replacement tsan command for overriding the DEPS-in tsan
# script. May have commas to separate separate shell args. There
# is no quoting, so this implies that this mechanism will fail if
# the args actually need to have commas. See
# http://code.google.com/p/nativeclient/issues/detail?id=3158 for
# the discussion of why this argument is needed.
'tsan_command',
# Run browser tests under this tool. See
# tools/browser_tester/browsertester/browserlauncher.py for tool names.
'browser_test_tool',
# activates buildbot-specific presets
'buildbot',
# Where to install header files for public consumption.
'includedir',
# Where to install libraries for public consumption.
'libdir',
# Where to install trusted-code binaries for public (SDK) consumption.
'bindir',
])
# Overly general to provide compatibility with existing build bots, etc.
# In the future it might be worth restricting the values that are accepted.
_TRUE_STRINGS = set(['1', 'true', 'yes'])
_FALSE_STRINGS = set(['0', 'false', 'no'])
# Converts a string representing a Boolean value, of some sort, into an actual
# Boolean value. Python's built in type coercion does not work because
# bool('False') == True
def StringValueToBoolean(value):
# ExpandArguments may stick non-string values in ARGUMENTS. Be accommodating.
if isinstance(value, bool):
return value
if not isinstance(value, basestring):
raise Exception("Expecting a string but got a %s" % repr(type(value)))
if value.lower() in _TRUE_STRINGS:
return True
elif value.lower() in _FALSE_STRINGS:
return False
else:
raise Exception("Cannot convert '%s' to a Boolean value" % value)
def GetBinaryArgumentValue(arg_name, default):
if not isinstance(default, bool):
raise Exception("Default value for '%s' must be a Boolean" % arg_name)
if arg_name not in ARGUMENTS:
return default
return StringValueToBoolean(ARGUMENTS[arg_name])
# name is the name of the bit
# arg_name is the name of the command-line argument, if it differs from the bit
def BitFromArgument(env, name, default, desc, arg_name=None):
# In most cases the bit name matches the argument name
if arg_name is None:
arg_name = name
DeclareBit(name, desc)
assert arg_name not in ACCEPTABLE_ARGUMENTS, repr(arg_name)
ACCEPTABLE_ARGUMENTS.add(arg_name)
if GetBinaryArgumentValue(arg_name, default):
env.SetBits(name)
else:
env.ClearBits(name)
# SetUpArgumentBits declares binary command-line arguments and converts them to
# bits. For example, one of the existing declarations would result in the
# argument "bitcode=1" causing env.Bit('bitcode') to evaluate to true.
# NOTE Command-line arguments are a SCons-ism that is separate from
# command-line options. Options are prefixed by "-" or "--" whereas arguments
# are not. The function SetBitFromOption can be used for options.
# NOTE This function must be called before the bits are used
# NOTE This function must be called after all modifications of ARGUMENTS have
# been performed. See: ExpandArguments
def SetUpArgumentBits(env):
BitFromArgument(env, 'bitcode', default=False,
desc='We are building bitcode')
BitFromArgument(env, 'translate_fast', default=False,
desc='When using pnacl TC (bitcode=1) use accelerated translation step')
BitFromArgument(env, 'built_elsewhere', default=False,
desc='The programs have already been built by another system')
BitFromArgument(env, 'skip_trusted_tests', default=False,
desc='Only run untrusted tests - useful for translator testing'
' (also skips tests of the IRT itself')
BitFromArgument(env, 'nacl_pic', default=False,
desc='generate position indepent code for (P)NaCl modules')
BitFromArgument(env, 'nacl_static_link', default=not env.Bit('nacl_glibc'),
desc='Whether to use static linking instead of dynamic linking '
'for building NaCl executables during tests. '
'For nacl-newlib, the default is 1 (static linking). '
'For nacl-glibc, the default is 0 (dynamic linking).')
BitFromArgument(env, 'nacl_disable_shared', default=not env.Bit('nacl_glibc'),
desc='Do not build shared versions of libraries. '
'For nacl-newlib, the default is 1 (static libraries only). '
'For nacl-glibc, the default is 0 (both static and shared libraries).')
# Defaults on when --verbose is specified.
# --verbose sets 'brief_comstr' to False, so this looks a little strange
BitFromArgument(env, 'target_stats', default=not GetOption('brief_comstr'),
desc='Collect and display information about which commands are executed '
'during the build process')
BitFromArgument(env, 'werror', default=True,
desc='Treat warnings as errors (-Werror)')
BitFromArgument(env, 'disable_nosys_linker_warnings', default=False,
desc='Disable warning mechanism in src/untrusted/nosys/warning.h')
BitFromArgument(env, 'naclsdk_validate', default=True,
desc='Verify the presence of the SDK')
BitFromArgument(env, 'running_on_valgrind', default=False,
desc='Compile and test using valgrind')
BitFromArgument(env, 'enable_tmpfs_redirect_var', default=False,
desc='Allow redirecting tmpfs location for shared memory '
'(by default, /dev/shm is used)')
BitFromArgument(env, 'pp', default=False,
desc='Enable pretty printing')
# By default SCons does not use the system's environment variables when
# executing commands, to help isolate the build process.
BitFromArgument(env, 'use_environ', arg_name='USE_ENVIRON',
default=False, desc='Expose existing environment variables to the build')
# Defaults on when --verbose is specified
# --verbose sets 'brief_comstr' to False, so this looks a little strange
BitFromArgument(env, 'sysinfo', default=not GetOption('brief_comstr'),
desc='Print verbose system information')
BitFromArgument(env, 'disable_flaky_tests', default=False,
desc='Do not run potentially flaky tests - used on Chrome bots')
BitFromArgument(env, 'use_sandboxed_translator', default=False,
desc='use pnacl sandboxed translator for linking (not available for arm)')
BitFromArgument(env, 'pnacl_generate_pexe', default=env.Bit('bitcode'),
desc='use pnacl to generate pexes and translate in a separate step')
BitFromArgument(env, 'pnacl_shared_newlib', default=False,
desc='build newlib (and other libs) shared in PNaCl')
BitFromArgument(env, 'translate_in_build_step', default=True,
desc='Run translation during build phase (e.g. if do_not_run_tests=1)')
BitFromArgument(env, 'browser_headless', default=False,
desc='Where possible, set up a dummy display to run the browser on '
'when running browser tests. On Linux, this runs the browser through '
'xvfb-run. This Scons does not need to be run with an X11 display '
'and we do not open a browser window on the user\'s desktop. '
'Unfortunately there is no equivalent on Mac OS X.')
BitFromArgument(env, 'disable_crash_dialog', default=True,
desc='Disable Windows\' crash dialog box, which Windows pops up when a '
'process exits with an unhandled fault. Windows enables this by '
'default for processes launched from the command line or from the '
'GUI. Our default is to disable it, because the dialog turns crashes '
'into hangs on Buildbot, and our test suite includes various crash '
'tests.')
BitFromArgument(env, 'do_not_run_tests', default=False,
desc='Prevents tests from running. This lets SCons build the files needed '
'to run the specified test(s) without actually running them. This '
'argument is a counterpart to built_elsewhere.')
BitFromArgument(env, 'validator_ragel', default=True,
desc='Use the R-DFA validator instead of the original validators.')
# TODO(shcherbina): add support for other golden-based tests, not only
# run_x86_*_validator_testdata_tests.
BitFromArgument(env, 'regenerate_golden', default=False,
desc='When running golden-based tests, instead of comparing results '
'save actual output as golden data.')
BitFromArgument(env, 'x86_64_zero_based_sandbox', default=False,
desc='Use the zero-address-based x86-64 sandbox model instead of '
'the r15-based model.')
BitFromArgument(env, 'android', default=False,
desc='Build for Android target')
BitFromArgument(env, 'arm_hard_float', default=False,
desc='Build for hard float ARM ABI')
BitFromArgument(env, 'skip_nonstable_bitcode', default=False,
desc='Skip tests involving non-stable bitcode')
#########################################################################
# EXPERIMENTAL
# This is for generating a testing library for use within private test
# enuminsts, where we want to compare and test different validators.
#
BitFromArgument(env, 'ncval_testing', default=False,
desc='EXPERIMENTAL: Compile validator code for testing within enuminsts')
# PNaCl sanity checks
if ((env.Bit('pnacl_generate_pexe') or env.Bit('use_sandboxed_translator'))
and not env.Bit('bitcode')):
raise ValueError("pnacl_generate_pexe and use_sandboxed_translator"
"don't make sense without bitcode")
# Sandboxed translator only accepts stable bitcode. Hence we must disallow
# nonstable bitcodes.
if env.Bit('use_sandboxed_translator'):
env.SetBits('skip_nonstable_bitcode')
def CheckArguments():
for key in ARGUMENTS:
if key not in ACCEPTABLE_ARGUMENTS:
raise UserError('bad argument: %s' % key)
# Sets a command line argument. Dies if an argument with this name is already
# defined.
def SetArgument(key, value):
print ' %s=%s' % (key, str(value))
if key in ARGUMENTS:
print 'ERROR: %s redefined' % (key, )
sys.exit(-1)
else:
ARGUMENTS[key] = value
# Expands "macro" command line arguments.
def ExpandArguments():
if ARGUMENTS.get('buildbot') == 'memcheck':
print 'buildbot=memcheck expands to the following arguments:'
SetArgument('run_under',
ARGUMENTS.get('memcheck_command',
'src/third_party/valgrind/memcheck.sh') +
',--error-exitcode=1')
SetArgument('scale_timeout', 20)
SetArgument('running_on_valgrind', True)
elif ARGUMENTS.get('buildbot') == 'tsan':
print 'buildbot=tsan expands to the following arguments:'
SetArgument('run_under',
ARGUMENTS.get('tsan_command',
'src/third_party/valgrind/tsan.sh') +
',--nacl-untrusted,--error-exitcode=1,' +
'--suppressions=src/third_party/valgrind/tests.supp')
SetArgument('scale_timeout', 20)
SetArgument('running_on_valgrind', True)
elif ARGUMENTS.get('buildbot') == 'tsan-trusted':
print 'buildbot=tsan-trusted expands to the following arguments:'
SetArgument('run_under',
ARGUMENTS.get('tsan_command',
'src/third_party/valgrind/tsan.sh') +
',--error-exitcode=1,' +
'--suppressions=src/third_party/valgrind/tests.supp')
SetArgument('scale_timeout', 20)
SetArgument('running_on_valgrind', True)
elif ARGUMENTS.get('buildbot') == 'memcheck-browser-tests':
print 'buildbot=memcheck-browser-tests expands to the following arguments:'
SetArgument('browser_test_tool', 'memcheck')
SetArgument('scale_timeout', 20)
SetArgument('running_on_valgrind', True)
elif ARGUMENTS.get('buildbot') == 'tsan-browser-tests':
print 'buildbot=tsan-browser-tests expands to the following arguments:'
SetArgument('browser_test_tool', 'tsan')
SetArgument('scale_timeout', 20)
SetArgument('running_on_valgrind', True)
elif ARGUMENTS.get('buildbot'):
print 'ERROR: unexpected argument buildbot="%s"' % (
ARGUMENTS.get('buildbot'), )
sys.exit(-1)
ExpandArguments()
environment_list = []
# Base environment for both nacl and non-nacl variants.
kwargs = {}
if ARGUMENTS.get('DESTINATION_ROOT') is not None:
kwargs['DESTINATION_ROOT'] = ARGUMENTS.get('DESTINATION_ROOT')
pre_base_env = Environment(
tools = ['component_setup'],
# SOURCE_ROOT is one leave above the native_client directory.
SOURCE_ROOT = Dir('#/..').abspath,
# Publish dlls as final products (to staging).
COMPONENT_LIBRARY_PUBLISH = True,
# Use workaround in special scons version.
LIBS_STRICT = True,
LIBS_DO_SUBST = True,
# Select where to find coverage tools.
COVERAGE_MCOV = '../third_party/lcov/bin/mcov',
COVERAGE_GENHTML = '../third_party/lcov/bin/genhtml',
**kwargs
)
# CLANG
DeclareBit('clang', 'Use clang to build trusted code')
pre_base_env.SetBitFromOption('clang', False)
DeclareBit('asan',
'Use AddressSanitizer to build trusted code (implies --clang)')
pre_base_env.SetBitFromOption('asan', False)
if pre_base_env.Bit('asan'):
pre_base_env.SetBits('clang')
# CODE COVERAGE
DeclareBit('coverage_enabled', 'The build should be instrumented to generate'
'coverage information')
# If the environment variable BUILDBOT_BUILDERNAME is set, we can determine
# if we are running in a VM by the lack of a '-bare-' (aka bare metal) in the
# bot name. Otherwise if the builder name is not set, then assume real HW.
DeclareBit('running_on_vm', 'Returns true when environment is running in a VM')
builder = os.environ.get('BUILDBOT_BUILDERNAME')
if builder and builder.find('-bare-') == -1:
pre_base_env.SetBits('running_on_vm')
else:
pre_base_env.ClearBits('running_on_vm')
DeclareBit('nacl_glibc', 'Use nacl-glibc for building untrusted code')
pre_base_env.SetBitFromOption('nacl_glibc', False)
# This function should be called ASAP after the environment is created, but
# after ExpandArguments.
SetUpArgumentBits(pre_base_env)
def DisableCrashDialog():
if sys.platform == 'win32':
import win32api
import win32con
# The double call is to preserve existing flags, as discussed at
# http://blogs.msdn.com/oldnewthing/archive/2004/07/27/198410.aspx
new_flags = win32con.SEM_NOGPFAULTERRORBOX
existing_flags = win32api.SetErrorMode(new_flags)
win32api.SetErrorMode(existing_flags | new_flags)
if pre_base_env.Bit('disable_crash_dialog'):
DisableCrashDialog()
# Scons normally wants to scrub the environment. However, sometimes
# we want to allow PATH and other variables through so that Scons
# scripts can find nacl-gcc without needing a Scons-specific argument.
if pre_base_env.Bit('use_environ'):
pre_base_env['ENV'] = os.environ.copy()
# We want to pull CYGWIN setup in our environment or at least set flag
# nodosfilewarning. It does not do anything when CYGWIN is not involved
# so let's do it in all cases.
pre_base_env['ENV']['CYGWIN'] = os.environ.get('CYGWIN', 'nodosfilewarning')
# Note: QEMU_PREFIX_HOOK may influence test runs and sb translator invocations
pre_base_env['ENV']['QEMU_PREFIX_HOOK'] = os.environ.get('QEMU_PREFIX_HOOK', '')
# Allow the zero-based sandbox model to run insecurely.
# TODO(arbenson): remove this once binutils bug is fixed (see
# src/trusted/service_runtime/arch/x86_64/sel_addrspace_posix_x86_64.c)
if pre_base_env.Bit('x86_64_zero_based_sandbox'):
pre_base_env['ENV']['NACL_ENABLE_INSECURE_ZERO_BASED_SANDBOX'] = 1
if pre_base_env.Bit('werror'):
werror_flags = ['-Werror']
else:
werror_flags = []
# Allow variadic macros
werror_flags = werror_flags + ['-Wno-variadic-macros']
# Clang Bug:
# array-bounds detection gives false positive on valid code in GLibC.
# BUG= http://llvm.org/bugs/show_bug.cgi?id=11536
if pre_base_env.Bit('bitcode') and pre_base_env.Bit('nacl_glibc'):
werror_flags += ['-Wno-array-bounds']
if pre_base_env.Bit('clang'):
# Allow 'default' label in switch even when all enumeration cases
# have been covered.
werror_flags += ['-Wno-covered-switch-default']
# Allow C++11 extensions (for "override")
werror_flags += ['-Wno-c++11-extensions']
# Method to make sure -pedantic, etc, are not stripped from the
# default env, since occasionally an engineer will be tempted down the
# dark -- but wide and well-trodden -- path of expediency and stray
# from the path of correctness.
def EnsureRequiredBuildWarnings(env):
if env.Bit('linux') or env.Bit('mac'):
required_env_flags = set(['-pedantic', '-Wall'] + werror_flags)
ccflags = set(env.get('CCFLAGS'))
if not required_env_flags.issubset(ccflags):
raise UserError('required build flags missing: '
+ ' '.join(required_env_flags.difference(ccflags)))
else:
# windows get a pass for now
pass
pre_base_env.AddMethod(EnsureRequiredBuildWarnings)
# Method to add target suffix to name.
def NaClTargetArchSuffix(env, name):
return name + '_' + env['TARGET_FULLARCH'].replace('-', '_')
pre_base_env.AddMethod(NaClTargetArchSuffix)
# Generic Test Wrapper
# Add list of Flaky or Bad tests to skip per platform. A
# platform is defined as build type
# <BUILD_TYPE>-<SUBARCH>
bad_build_lists = {
'arm': [],
}
# This is a list of tests that do not yet pass when using nacl-glibc.
# TODO(mseaborn): Enable more of these tests!
nacl_glibc_skiplist = set([
# This uses a canned binary that is compiled w/ newlib. A
# glibc version might be useful.
'run_fuzz_nullptr_test',
# Struct layouts differ.
'run_abi_test',
# Syscall wrappers not implemented yet.
'run_sysbasic_test',
'run_sysbrk_test',
# Fails because clock() is not hooked up.
'run_timefuncs_test',
# Needs further investigation.
'sdk_minimal_test',
# run_srpc_sysv_shm_test fails because:
# 1) it uses fstat(), while we only have an fstat64() wrapper;
# 2) the test needs an explicit fflush(stdout) call because the
# process is killed without exit() being called.
'run_srpc_sysv_shm_test',
# This test fails with nacl-glibc: glibc reports an internal
# sanity check failure in free().
# TODO(robertm): This needs further investigation.
'run_ppapi_event_test',
'run_srpc_ro_file_test',
'run_ppapi_geturl_valid_test',
'run_ppapi_geturl_invalid_test',
# http://code.google.com/p/chromium/issues/detail?id=108131
# we would need to list all of the glibc components as
# web accessible resources in the extensions's manifest.json,
# not just the nexe and nmf file.
'run_ppapi_extension_mime_handler_browser_test',
# This test need more investigation.
'run_syscall_test',
])
nacl_glibc_skiplist.update(['%s_irt' % test for test in nacl_glibc_skiplist])
# If a test is not in one of these suites, it will probally not be run on a
# regular basis. These are the suites that will be run by the try bot or that
# a large number of users may run by hand.
MAJOR_TEST_SUITES = set([
'small_tests',
'medium_tests',
'large_tests',
# Tests using the pepper plugin, only run with chrome
# TODO(ncbray): migrate pepper_browser_tests to chrome_browser_tests
'pepper_browser_tests',
# Lightweight browser tests
'chrome_browser_tests',
'huge_tests',
'memcheck_bot_tests',
'tsan_bot_tests',
# Special testing environment for testing comparing x86 validators.
'ncval_testing',
# Environment for validator difference testing
'validator_diff_tests',
])
# These are the test suites we know exist, but aren't run on a regular basis.
# These test suites are essentially shortcuts that run a specific subset of the
# test cases.
ACCEPTABLE_TEST_SUITES = set([
'barebones_tests',
'dynamic_load_tests',
'exception_tests',
'exit_status_tests',
'gdb_tests',
'mmap_race_tests',
'nonpexe_tests',
'performance_tests',
'pnacl_abi_tests',
'sel_ldr_sled_tests',
'sel_ldr_tests',
'toolchain_tests',
'validator_modeling',
'validator_tests',
# Special testing of the decoder for the ARM validator.
'arm_decoder_tests',
])
# Under --mode=nacl_irt_test we build variants of numerous tests normally
# built under --mode=nacl. The test names and suite names for these
# variants are set (in IrtTestAddNodeToTestSuite, below) by appending _irt
# to the names used for the --mode=nacl version of the same tests.
MAJOR_TEST_SUITES |= set([name + '_irt'
for name in MAJOR_TEST_SUITES])
ACCEPTABLE_TEST_SUITES |= set([name + '_irt'
for name in ACCEPTABLE_TEST_SUITES])
# The major test suites are also acceptable names. Suite names are checked
# against this set in order to catch typos.
ACCEPTABLE_TEST_SUITES.update(MAJOR_TEST_SUITES)
def ValidateTestSuiteNames(suite_name, node_name):
if node_name is None:
node_name = '<unknown>'
# Prevent a silent failiure - strings are iterable!
if not isinstance(suite_name, (list, tuple)):
raise Exception("Test suites for %s should be specified as a list, "
"not as a %s: %s" % (node_name, type(suite_name).__name__,
repr(suite_name)))
if not suite_name:
raise Exception("No test suites are specified for %s. Set the 'broken' "
"parameter on AddNodeToTestSuite in the cases where there's a known "
"issue and you don't want the test to run" % (node_name,))
# Make sure each test is in at least one test suite we know will run
major_suites = set(suite_name).intersection(MAJOR_TEST_SUITES)
if not major_suites:
raise Exception("None of the test suites %s for %s are run on a "
"regular basis" % (repr(suite_name), node_name))
# Make sure a wierd test suite hasn't been inadvertantly specified
for s in suite_name:
if s not in ACCEPTABLE_TEST_SUITES:
raise Exception("\"%s\" is not a known test suite. Either this is "
"a typo for %s, or it should be added to ACCEPTABLE_TEST_SUITES in "
"SConstruct" % (s, node_name))
BROKEN_TEST_COUNT = 0
def GetPlatformString(env):
build = env['BUILD_TYPE']
# If we are testing 'NACL' we really need the trusted info
if build=='nacl' and 'TRUSTED_ENV' in env:
trusted_env = env['TRUSTED_ENV']
build = trusted_env['BUILD_TYPE']
subarch = trusted_env['BUILD_SUBARCH']
else:
subarch = env['BUILD_SUBARCH']
# Build the test platform string
return build + '-' + subarch
pre_base_env.AddMethod(GetPlatformString)
tests_to_disable_qemu = set([
# These tests do not work under QEMU but do work on ARM hardware.
#
# You should use the is_broken argument in preference to adding
# tests to this list.
#
# TODO(dschuff) some of these tests appear to work with the new QEMU.
# find out which
# http://code.google.com/p/nativeclient/issues/detail?id=2437
# Note, for now these tests disable both the irt and non-irt variants
'run_atomic_ops_test', # still broken with qemu 2012/06/12
'run_atomic_ops_nexe_test',
# The debug stub test is not set up to insert QEMU at the right
# point, and service_runtime's thread suspension does not work
# under QEMU.
'run_debug_stub_test',
'run_egyptian_cotton_test', # still broken with qemu 2012/06/12
'run_faulted_thread_queue_test',
'run_many_threads_sequential_test',
'run_mmap_atomicity_test', # still broken with qemu 2012/06/12
# http://code.google.com/p/nativeclient/issues/detail?id=2142
'run_nacl_semaphore_test',
'run_nacl_tls_unittest',
# subprocess needs to also have qemu prefix, which isn't supported
'run_subprocess_test',
# The next 2 tests seem flaky on QEMU
'run_srpc_manifest_file_test',
'run_srpc_message_untrusted_test',
'run_thread_stack_alloc_test',
'run_thread_suspension_test',
'run_thread_test',
'run_dynamic_modify_test',
# qemu has bugs that make TestCatchingFault flaky (see
# http://code.google.com/p/nativeclient/issues/detail?id=3239), and
# we don't particularly need to measure performance under qemu.
'run_performance_test',
])
tests_to_disable = set()
if ARGUMENTS.get('disable_tests', '') != '':
tests_to_disable.update(ARGUMENTS['disable_tests'].split(','))
def ShouldSkipTest(env, node_name):
if (env.Bit('skip_trusted_tests')
and (env['NACL_BUILD_FAMILY'] == 'TRUSTED'
or env['NACL_BUILD_FAMILY'] == 'UNTRUSTED_IRT')):
return True
if env.Bit('do_not_run_tests'):
# This hack is used for pnacl testing where we might build tests
# without running them on one bot and then transfer and run them on another.
# The skip logic only takes the first bot into account e.g. qemu
# restrictions, while it really should be skipping based on the second
# bot. By simply disabling the skipping completely we work around this.
return False
# There are no known-to-fail tests any more, but this code is left
# in so that if/when we port to a new architecture or add a test
# that is known to fail on some platform(s), we can continue to have
# a central location to disable tests from running. NB: tests that
# don't *build* on some platforms need to be omitted in another way.
if node_name in tests_to_disable:
return True
if env.UsingEmulator():
if node_name in tests_to_disable_qemu:
return True
# For now also disable the irt variant
if node_name.endswith('_irt') and node_name[:-4] in tests_to_disable_qemu:
return True
# Retrieve list of tests to skip on this platform
skiplist = bad_build_lists.get(env.GetPlatformString(), [])
if node_name in skiplist:
return True
if env.Bit('nacl_glibc') and node_name in nacl_glibc_skiplist:
return True
return False
pre_base_env.AddMethod(ShouldSkipTest)
def AddNodeToTestSuite(env, node, suite_name, node_name, is_broken=False,
is_flaky=False):
global BROKEN_TEST_COUNT
# CommandTest can return an empty list when it silently discards a test
if not node:
return
assert node_name is not None
test_name_regex = r'run_.*_(unit)?test.*$'
assert re.match(test_name_regex, node_name), (
'test %r does not match "run_..._test" naming convention '
'(precise regex is %s)' % (node_name, test_name_regex))
ValidateTestSuiteNames(suite_name, node_name)
AlwaysBuild(node)
if is_broken or is_flaky and env.Bit('disable_flaky_tests'):
# Only print if --verbose is specified
if not GetOption('brief_comstr'):
print '*** BROKEN ', node_name
BROKEN_TEST_COUNT += 1
env.Alias('broken_tests', node)
elif env.ShouldSkipTest(node_name):
print '*** SKIPPING ', env.GetPlatformString(), ':', node_name
env.Alias('broken_tests', node)
else:
env.Alias('all_tests', node)
for s in suite_name:
env.Alias(s, node)
if node_name:
env.ComponentTestOutput(node_name, node)
test_name = node_name
else:
# This is rather shady, but the tests need a name without dots so they match
# what gtest does.
# TODO(ncbray) node_name should not be optional.
test_name = os.path.basename(str(node[0].path))
if test_name.endswith('.out'):
test_name = test_name[:-4]
test_name = test_name.replace('.', '_')
SetTestName(node, test_name)
pre_base_env.AddMethod(AddNodeToTestSuite)
def TestBindsFixedTcpPort(env, node):
# This tells Scons that tests that bind a fixed TCP port should not
# run concurrently, because they would interfere with each other.
# These tests are typically tests for NaCl's GDB debug stub. The
# dummy filename used below is an arbitrary token that just has to
# match across the tests.
SideEffect(env.File('${SCONSTRUCT_DIR}/test_binds_fixed_tcp_port'), node)
pre_base_env.AddMethod(TestBindsFixedTcpPort)
# Convenient testing aliases
# NOTE: work around for scons non-determinism in the following two lines
Alias('sel_ldr_sled_tests', [])
Alias('small_tests', [])
Alias('medium_tests', [])
Alias('large_tests', [])
Alias('small_tests_irt', [])
Alias('medium_tests_irt', [])
Alias('large_tests_irt', [])
Alias('pepper_browser_tests', [])
Alias('chrome_browser_tests', [])
Alias('unit_tests', 'small_tests')
Alias('smoke_tests', ['small_tests', 'medium_tests'])
if pre_base_env.Bit('nacl_glibc'):
Alias('memcheck_bot_tests', ['small_tests'])
Alias('tsan_bot_tests', ['small_tests'])
else:
Alias('memcheck_bot_tests', ['small_tests', 'medium_tests', 'large_tests'])
Alias('tsan_bot_tests', [])
def Banner(text):
print '=' * 70
print text
print '=' * 70
pre_base_env.AddMethod(Banner)
# PLATFORM LOGIC
# Define the platforms, and use them to define the path for the
# scons-out directory (aka TARGET_ROOT)
#
# Various variables in the scons environment are related to this, e.g.
#
# BUILD_ARCH: (arm, mips, x86)
# BUILD_SUBARCH: (32, 64)
#
# This dictionary is used to translate from a platform name to a
# (arch, subarch) pair
AVAILABLE_PLATFORMS = {
'x86-32' : { 'arch' : 'x86' , 'subarch' : '32' },
'x86-64' : { 'arch' : 'x86' , 'subarch' : '64' },
'mips32' : { 'arch' : 'mips', 'subarch' : '32' },
'arm' : { 'arch' : 'arm' , 'subarch' : '32' },
'arm-thumb2' : { 'arch' : 'arm' , 'subarch' : '32' }
}
# Look up the platform name from the command line arguments.
def GetPlatform(self):
return ARGUMENTS.get('platform', 'x86-32')
pre_base_env.AddMethod(GetPlatform)
# Decode platform into list [ ARCHITECTURE , EXEC_MODE ].
def DecodePlatform(platform):
if platform in AVAILABLE_PLATFORMS:
return AVAILABLE_PLATFORMS[platform]
raise Exception('Unrecognized platform: %s' % platform)
DeclareBit('build_x86_32', 'Building binaries for the x86-32 architecture',
exclusive_groups='build_arch')
DeclareBit('build_x86_64', 'Building binaries for the x86-64 architecture',
exclusive_groups='build_arch')
DeclareBit('build_mips32', 'Building binaries for the MIPS architecture',
exclusive_groups='build_arch')
DeclareBit('build_arm_arm', 'Building binaries for the ARM architecture',
exclusive_groups='build_arch')
DeclareBit('build_arm_thumb2',
'Building binaries for the ARM architecture (thumb2 ISA)',
exclusive_groups='build_arch')
DeclareBit('target_x86_32', 'Tools being built will process x86-32 binaries',
exclusive_groups='target_arch')
DeclareBit('target_x86_64', 'Tools being built will process x86-36 binaries',
exclusive_groups='target_arch')
DeclareBit('target_mips32', 'Tools being built will process MIPS binaries',
exclusive_groups='target_arch')
DeclareBit('target_arm_arm', 'Tools being built will process ARM binaries',
exclusive_groups='target_arch')
DeclareBit('target_arm_thumb2',
'Tools being built will process ARM binaries (thumb2 ISA)',
exclusive_groups='target_arch')
# Shorthand for either the 32 or 64 bit version of x86.
DeclareBit('build_x86', 'Building binaries for the x86 architecture')
DeclareBit('target_x86', 'Tools being built will process x86 binaries')
# Shorthand for either arm or thumb2 versions of ARM
DeclareBit('build_arm', 'Building binaries for the arm architecture')
DeclareBit('target_arm', 'Tools being built will process arm binaries')
def MakeArchSpecificEnv():
env = pre_base_env.Clone()
platform = env.GetPlatform()
info = DecodePlatform(platform)
env.Replace(BUILD_FULLARCH=platform)
env.Replace(BUILD_ARCHITECTURE=info['arch'])
env.Replace(BUILD_SUBARCH=info['subarch'])
env.Replace(TARGET_FULLARCH=platform)
env.Replace(TARGET_ARCHITECTURE=info['arch'])
env.Replace(TARGET_SUBARCH=info['subarch'])
# Example: PlatformBit('build', 'x86-32') -> build_x86_32
def PlatformBit(prefix, platform):
return "%s_%s" % (prefix, platform.replace('-', '_'))
env.SetBits(PlatformBit('build', platform))
env.SetBits(PlatformBit('target', platform))
if env.Bit('build_x86_32') or env.Bit('build_x86_64'):
env.SetBits('build_x86')
if env.Bit('build_arm_arm') or env.Bit('build_arm_thumb2'):
env.SetBits('build_arm')
if env.Bit('target_x86_32') or env.Bit('target_x86_64'):
env.SetBits('target_x86')
if env.Bit('target_arm_arm') or env.Bit('target_arm_thumb2'):
env.SetBits('target_arm')