scons_gd/scons/testing/framework/TestSCons.py
2022-10-15 16:06:26 +02:00

2027 lines
74 KiB
Python

# MIT License
#
# Copyright The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""
A testing framework for the SCons software construction tool.
A TestSCons environment object is created via the usual invocation:
test = TestSCons()
TestScons is a subclass of TestCommon, which in turn is a subclass
of TestCmd), and hence has available all of the methods and attributes
from those classes, as well as any overridden or additional methods or
attributes defined in this subclass.
"""
import os
import re
import shutil
import sys
import time
import subprocess as sp
import zipfile
from collections import namedtuple
from TestCommon import *
from TestCommon import __all__
from SCons.Util import get_hash_format, get_current_hash_algorithm_used
from TestCmd import Popen
from TestCmd import PIPE
# Some tests which verify that SCons has been packaged properly need to
# look for specific version file names. Replicating the version number
# here provides some independent verification that what we packaged
# conforms to what we expect.
default_version = '4.4.1ayyyymmdd'
# TODO: these need to be hand-edited when there are changes
python_version_unsupported = (3, 6, 0)
python_version_deprecated = (3, 6, 0)
python_version_supported_str = "3.6.0" # str of lowest non-deprecated version
# In the checked-in source, the value of SConsVersion in the following
# line must remain "__ VERSION __" (without the spaces) so the built
# version in build/testing/framework/TestSCons.py contains the actual version
# string of the packages that have been built.
SConsVersion = '__VERSION__'
if SConsVersion == '__' + 'VERSION' + '__':
SConsVersion = default_version
__all__.extend([
'TestSCons',
'machine',
'python',
'_exe',
'_obj',
'_shobj',
'shobj_',
'lib_',
'_lib',
'dll_',
'_dll'
])
machine_map = {
'i686': 'i386',
'i586': 'i386',
'i486': 'i386',
}
try:
uname = os.uname
except AttributeError:
# Windows doesn't have a uname() function. We could use something like
# sys.platform as a fallback, but that's not really a "machine," so
# just leave it as None.
machine = None
else:
machine = uname()[4]
machine = machine_map.get(machine, machine)
_exe = exe_suffix
_obj = obj_suffix
_shobj = shobj_suffix
shobj_ = shobj_prefix
_lib = lib_suffix
lib_ = lib_prefix
_dll = dll_suffix
dll_ = dll_prefix
if sys.platform == 'cygwin':
# On Cygwin, os.path.normcase() lies, so just report back the
# fact that the underlying Win32 OS is case-insensitive.
def case_sensitive_suffixes(s1, s2):
return 0
else:
def case_sensitive_suffixes(s1, s2):
return (os.path.normcase(s1) != os.path.normcase(s2))
file_expr = r"""File "[^"]*", line \d+, in [^\n]+
"""
# re.escape escapes too much.
def re_escape(str):
for c in '\\.[]()*+?': # Not an exhaustive list.
str = str.replace(c, '\\' + c)
return str
#
# Helper functions that we use as a replacement to the default re.match
# when searching for special strings in stdout/stderr.
#
def search_re(out, l):
""" Search the regular expression 'l' in the output 'out'
and return the start index when successful.
"""
m = re.search(l, out)
if m:
return m.start()
return None
def search_re_in_list(out, l):
""" Search the regular expression 'l' in each line of
the given string list 'out' and return the line's index
when successful.
"""
for idx, o in enumerate(out):
m = re.search(l, o)
if m:
return idx
return None
#
# Helpers for handling Python version numbers
#
def python_version_string():
return sys.version.split()[0]
def python_minor_version_string():
return sys.version[:3]
def unsupported_python_version(version=sys.version_info):
return version < python_version_unsupported
def deprecated_python_version(version=sys.version_info):
return version < python_version_deprecated
if deprecated_python_version():
msg = r"""
scons: warning: Support for pre-%s Python version (%s) is deprecated.
If this will cause hardship, contact scons-dev@scons.org
"""
deprecated_python_expr = (
re_escape(msg % (python_version_supported_str, python_version_string()))
+ file_expr
)
del msg
else:
deprecated_python_expr = ""
def initialize_sconsflags(ignore_python_version):
"""
Add the --warn=no-python-version option to SCONSFLAGS for every
command so test scripts don't have to filter out Python version
deprecation warnings.
Same for --warn=no-visual-c-missing.
"""
save_sconsflags = os.environ.get('SCONSFLAGS')
if save_sconsflags:
sconsflags = [save_sconsflags]
else:
sconsflags = []
if ignore_python_version and deprecated_python_version():
sconsflags.append('--warn=no-python-version')
# Provide a way to suppress or provide alternate flags for
# TestSCons purposes by setting TESTSCONS_SCONSFLAGS.
# (The intended use case is to set it to null when running
# timing tests of earlier versions of SCons which don't
# support the --warn=no-visual-c-missing warning.)
visual_c = os.environ.get('TESTSCONS_SCONSFLAGS',
'--warn=no-visual-c-missing')
if visual_c and visual_c not in sconsflags:
sconsflags.append(visual_c)
os.environ['SCONSFLAGS'] = ' '.join(sconsflags)
return save_sconsflags
def restore_sconsflags(sconsflags):
if sconsflags is None:
del os.environ['SCONSFLAGS']
else:
os.environ['SCONSFLAGS'] = sconsflags
# Helpers for Configure()'s config.log processing
ConfigCheckInfo = namedtuple('ConfigCheckInfo',
['check_string', 'result', 'cached', 'temp_filename'])
# check_string: the string output to for this checker
# results : The expected results for each check
# cached : If the corresponding check is expected to be cached
# temp_filename : The name of the generated tempfile for this check
class NoMatch(Exception):
"""
Exception for matchPart to indicate there was no match found in the passed logfile
"""
def __init__(self, p):
self.pos = p
def match_part_of_configlog(log, logfile, lastEnd, NoMatch=NoMatch):
"""
Match part of the logfile
"""
# print("Match:\n%s\n==============\n%s" % (log , logfile[lastEnd:]))
m = re.match(log, logfile[lastEnd:])
if not m:
raise NoMatch(lastEnd)
return m.end() + lastEnd
class TestSCons(TestCommon):
"""Class for testing SCons.
This provides a common place for initializing SCons tests,
eliminating the need to begin every test with the same repeated
initializations.
"""
scons_version = SConsVersion
javac_is_gcj = False
def __init__(self, **kw):
"""Initialize an SCons testing object.
If they're not overridden by keyword arguments, this
initializes the object with the following default values:
program = 'scons' if it exists,
else 'scons.py'
interpreter = 'python'
match = match_exact
workdir = ''
The workdir value means that, by default, a temporary workspace
directory is created for a TestSCons environment. In addition,
this method changes directory (chdir) to the workspace directory,
so an explicit "chdir = '.'" on all of the run() method calls
is not necessary.
"""
self.orig_cwd = os.getcwd()
self.external = os.environ.get('SCONS_EXTERNAL_TEST', 0)
if not self.external:
try:
script_dir = os.environ['SCONS_SCRIPT_DIR']
except KeyError:
pass
else:
os.chdir(script_dir)
if 'program' not in kw:
kw['program'] = os.environ.get('SCONS')
if not kw['program']:
if not self.external:
if os.path.exists('scons'):
kw['program'] = 'scons'
else:
kw['program'] = 'scons.py'
else:
kw['program'] = 'scons'
kw['interpreter'] = ''
elif not self.external and not os.path.isabs(kw['program']):
kw['program'] = os.path.join(self.orig_cwd, kw['program'])
if 'interpreter' not in kw and not os.environ.get('SCONS_EXEC'):
kw['interpreter'] = [python, ]
if 'match' not in kw:
kw['match'] = match_exact
if 'workdir' not in kw:
kw['workdir'] = ''
# Term causing test failures due to bogus readline init
# control character output on FC8
# TERM can cause test failures due to control chars in prompts etc.
os.environ['TERM'] = 'dumb'
self.ignore_python_version = kw.get('ignore_python_version', 1)
if kw.get('ignore_python_version', -1) != -1:
del kw['ignore_python_version']
super().__init__(**kw)
if not self.external:
import SCons.Node.FS
if SCons.Node.FS.default_fs is None:
SCons.Node.FS.default_fs = SCons.Node.FS.FS()
try:
self.fixture_dirs = (os.environ['FIXTURE_DIRS']).split(os.pathsep)
except KeyError:
pass
def Environment(self, ENV=None, *args, **kw):
"""
Return a construction Environment that optionally overrides
the default external environment with the specified ENV.
"""
if not self.external:
import SCons.Environment
import SCons.Errors
if ENV is not None:
kw['ENV'] = ENV
try:
return SCons.Environment.Environment(*args, **kw)
except (SCons.Errors.UserError, SCons.Errors.InternalError):
return None
return None
def detect(self, var, prog=None, ENV=None, norm=None):
"""
Return the detected path to a tool program.
Searches first the named construction variable, then
the SCons path.
Args:
var: name of construction variable to check for tool name.
prog: tool program to check for.
ENV: if present, kwargs to initialize an environment that
will be created to perform the lookup.
norm: if true, normalize any returned path looked up in
the environment to use UNIX-style path separators.
Returns: full path to the tool, or None.
"""
env = self.Environment(ENV)
if env:
v = env.subst('$' + var)
if not v:
return None
if prog is None:
prog = v
if v != prog:
return None
result = env.WhereIs(prog)
if result and norm and os.sep != '/':
result = result.replace(os.sep, '/')
return result
return self.where_is(prog)
def detect_tool(self, tool, prog=None, ENV=None):
"""
Given a tool (i.e., tool specification that would be passed
to the "tools=" parameter of Environment()) and a program that
corresponds to that tool, return true if and only if we can find
that tool using Environment.Detect().
By default, prog is set to the value passed into the tools parameter.
"""
if not prog:
prog = tool
env = self.Environment(ENV, tools=[tool])
if env is None:
return None
return env.Detect([prog])
def where_is(self, prog, path=None, pathext=None):
"""
Given a program, search for it in the specified external PATH,
or in the actual external PATH if none is specified.
"""
if path is None:
path = os.environ['PATH']
if self.external:
if isinstance(prog, str):
prog = [prog]
for p in prog:
result = TestCmd.where_is(self, p, path, pathext)
if result:
return os.path.normpath(result)
else:
import SCons.Environment
env = SCons.Environment.Environment()
return env.WhereIs(prog, path, pathext)
return None
def wrap_stdout(self, build_str="", read_str="", error=0, cleaning=0) -> str:
"""Wraps "expect" strings in SCons boilerplate.
Given strings of expected output specific to a test,
returns a string which includes the SCons wrapping such as
"Reading ... done", etc.: that is, adds the text that would
be left out by running SCons in quiet mode;
Makes a complete message to match against.
Args:
read_str: the message for the execution part of the output.
If non-empty, needs to be newline-terminated.
read_str: the message for the reading-sconscript part of
the output. If non-empty, needs to be newline-terminated.
error: if true, expect a fail message rather than a done message.
cleaning (int): index into type messages, if 0 selects
build messages, if 1 selects clean messages.
"""
cap, lc = [('Build', 'build'),
('Clean', 'clean')][cleaning]
if error:
term = f"scons: {lc}ing terminated because of errors.\n"
else:
term = f"scons: done {lc}ing targets.\n"
return "scons: Reading SConscript files ...\n" + \
read_str + \
"scons: done reading SConscript files.\n" + \
f"scons: {cap}ing targets ...\n" + \
build_str + \
term
def run(self, *args, **kw):
"""
Set up SCONSFLAGS for every command so test scripts don't need
to worry about unexpected warnings in their output.
"""
sconsflags = initialize_sconsflags(self.ignore_python_version)
try:
super().run(*args, **kw)
finally:
restore_sconsflags(sconsflags)
# Modifying the options should work and ought to be simpler, but this
# class is used for more than just running 'scons' itself. If there's
# an automated way of determining whether it's running 'scons' or
# something else, this code should be resurected.
# options = kw.get('options')
# if options:
# options = [options]
# else:
# options = []
# if self.ignore_python_version and deprecated_python_version():
# options.append('--warn=no-python-version')
# # Provide a way to suppress or provide alternate flags for
# # TestSCons purposes by setting TESTSCONS_SCONSFLAGS.
# # (The intended use case is to set it to null when running
# # timing tests of earlier versions of SCons which don't
# # support the --warn=no-visual-c-missing warning.)
# visual_c = os.environ.get('TESTSCONS_SCONSFLAGS',
# '--warn=no-visual-c-missing')
# if visual_c:
# options.append(visual_c)
# kw['options'] = ' '.join(options)
# TestCommon.run(self, *args, **kw)
def up_to_date(self, arguments='.', read_str="", **kw):
"""Asserts that all of the targets listed in arguments is
up to date, but does not make any assumptions on other targets.
This function is most useful in conjunction with the -n option.
"""
s = ""
for arg in arguments.split():
s = s + "scons: `%s' is up to date.\n" % arg
kw['arguments'] = arguments
stdout = self.wrap_stdout(read_str=read_str, build_str=s)
# Append '.*' so that timing output that comes after the
# up-to-date output is okay.
kw['stdout'] = re.escape(stdout) + '.*'
kw['match'] = self.match_re_dotall
self.run(**kw)
def not_up_to_date(self, arguments='.', **kw):
"""Asserts that none of the targets listed in arguments is
up to date, but does not make any assumptions on other targets.
This function is most useful in conjunction with the -n option.
"""
s = ""
for arg in arguments.split():
s = s + "(?!scons: `%s' is up to date.)" % re.escape(arg)
s = '(' + s + '[^\n]*\n)*'
kw['arguments'] = arguments
stdout = re.escape(self.wrap_stdout(build_str='ARGUMENTSGOHERE'))
kw['stdout'] = stdout.replace('ARGUMENTSGOHERE', s)
kw['match'] = self.match_re_dotall
self.run(**kw)
def option_not_yet_implemented(self, option, arguments=None, **kw):
"""
Verifies expected behavior for options that are not yet implemented:
a warning message, and exit status 1.
"""
msg = "Warning: the %s option is not yet implemented\n" % option
kw['stderr'] = msg
if arguments:
# If it's a long option and the argument string begins with '=',
# it's of the form --foo=bar and needs no separating space.
if option[:2] == '--' and arguments[0] == '=':
kw['arguments'] = option + arguments
else:
kw['arguments'] = option + ' ' + arguments
return self.run(**kw)
def deprecated_wrap(self, msg):
"""
Calculate the pattern that matches a deprecation warning.
"""
return '\nscons: warning: ' + re_escape(msg) + '\n' + file_expr
def deprecated_fatal(self, warn, msg):
"""
Determines if the warning has turned into a fatal error. If so,
passes the test, as any remaining runs are now moot.
This method expects a SConscript to be present that will causes
the warning. The method writes a SConstruct that calls the
SConsscript and looks to see what type of result occurs.
The pattern that matches the warning is returned.
TODO: Actually detect that it's now an error. We don't have any
cases yet, so there's no way to test it.
"""
self.write('SConstruct', """if True:
WARN = ARGUMENTS.get('WARN')
if WARN: SetOption('warn', WARN)
SConscript('SConscript')
""")
def err_out():
# TODO calculate stderr for fatal error
return re_escape('put something here')
# no option, should get one of nothing, warning, or error
warning = self.deprecated_wrap(msg)
self.run(arguments='.', stderr=None)
stderr = self.stderr()
if stderr:
# most common case done first
if match_re_dotall(stderr, warning):
# expected output
pass
elif match_re_dotall(stderr, err_out()):
# now a fatal error; skip the rest of the tests
self.pass_test()
else:
# test failed; have to do this by hand...
print(self.banner('STDOUT '))
print(self.stdout())
print(self.diff(warning, stderr, 'STDERR '))
self.fail_test()
return warning
def deprecated_warning(self, warn, msg):
"""
Verifies the expected behavior occurs for deprecation warnings.
This method expects a SConscript to be present that will causes
the warning. The method writes a SConstruct and exercises various
combinations of command-line options and SetOption parameters to
validate that it performs correctly.
The pattern that matches the warning is returned.
"""
warning = self.deprecated_fatal(warn, msg)
def RunPair(option, expected):
# run the same test with the option on the command line and
# then with the option passed via SetOption().
self.run(options='--warn=' + option,
arguments='.',
stderr=expected,
match=match_re_dotall)
self.run(options='WARN=' + option,
arguments='.',
stderr=expected,
match=match_re_dotall)
# all warnings off, should get no output
RunPair('no-deprecated', '')
# warning enabled, should get expected output
RunPair(warn, warning)
# warning disabled, should get either nothing or mandatory message
expect = """()|(Can not disable mandataory warning: 'no-%s'\n\n%s)""" % (warn, warning)
RunPair('no-' + warn, expect)
return warning
def diff_substr(self, expect, actual, prelen=20, postlen=40):
i = 0
for x, y in zip(expect, actual):
if x != y:
return "Actual did not match expect at char %d:\n" \
" Expect: %s\n" \
" Actual: %s\n" \
% (i, repr(expect[i - prelen:i + postlen]),
repr(actual[i - prelen:i + postlen]))
i = i + 1
return "Actual matched the expected output???"
def python_file_line(self, file, line):
"""
Returns a Python error line for output comparisons.
The exec of the traceback line gives us the correct format for
this version of Python.
File "<string>", line 1, <module>
We stick the requested file name and line number in the right
places, abstracting out the version difference.
"""
# This routine used to use traceback to get the proper format
# that doesn't work well with py3. And the format of the
# traceback seems to be stable, so let's just format
# an appropriate string
#
# exec('import traceback; x = traceback.format_stack()[-1]')
# import traceback
# x = traceback.format_stack()
# x = # XXX: .lstrip()
# x = x.replace('<string>', file)
# x = x.replace('line 1,', 'line %s,' % line)
# x="\n".join(x)
x = 'File "%s", line %s, in <module>\n' % (file, line)
return x
def normalize_ps(self, s):
s = re.sub(r'(Creation|Mod)Date: .*',
r'\1Date XXXX', s)
s = re.sub(r'%DVIPSSource:\s+TeX output\s.*',
r'%DVIPSSource: TeX output XXXX', s)
s = re.sub(r'/(BaseFont|FontName) /[A-Z0-9]{6}',
r'/\1 /XXXXXX', s)
s = re.sub(r'BeginFont: [A-Z0-9]{6}',
r'BeginFont: XXXXXX', s)
return s
@staticmethod
def to_bytes_re_sub(pattern, repl, str, count=0, flags=0):
"""
Wrapper around re.sub to change pattern and repl to bytes to work with
both python 2 & 3
"""
pattern = to_bytes(pattern)
repl = to_bytes(repl)
return re.sub(pattern, repl, str, count, flags)
def normalize_pdf(self, s):
s = self.to_bytes_re_sub(r'/(Creation|Mod)Date \(D:[^)]*\)',
r'/\1Date (D:XXXX)', s)
s = self.to_bytes_re_sub(r'/ID \[<[0-9a-fA-F]*> <[0-9a-fA-F]*>\]',
r'/ID [<XXXX> <XXXX>]', s)
s = self.to_bytes_re_sub(r'/(BaseFont|FontName) /[A-Z]{6}',
r'/\1 /XXXXXX', s)
s = self.to_bytes_re_sub(r'/Length \d+ *\n/Filter /FlateDecode\n',
r'/Length XXXX\n/Filter /FlateDecode\n', s)
try:
import zlib
except ImportError:
pass
else:
begin_marker = to_bytes('/FlateDecode\n>>\nstream\n')
end_marker = to_bytes('endstream\nendobj')
encoded = []
b = s.find(begin_marker, 0)
while b != -1:
b = b + len(begin_marker)
e = s.find(end_marker, b)
encoded.append((b, e))
b = s.find(begin_marker, e + len(end_marker))
x = 0
r = []
for b, e in encoded:
r.append(s[x:b])
d = zlib.decompress(s[b:e])
d = self.to_bytes_re_sub(r'%%CreationDate: [^\n]*\n',
r'%%CreationDate: 1970 Jan 01 00:00:00\n', d)
d = self.to_bytes_re_sub(r'%DVIPSSource: TeX output \d\d\d\d\.\d\d\.\d\d:\d\d\d\d',
r'%DVIPSSource: TeX output 1970.01.01:0000', d)
d = self.to_bytes_re_sub(r'/(BaseFont|FontName) /[A-Z]{6}',
r'/\1 /XXXXXX', d)
r.append(d)
x = e
r.append(s[x:])
s = to_bytes('').join(r)
return s
def paths(self, patterns):
import glob
result = []
for p in patterns:
result.extend(sorted(glob.glob(p)))
return result
def get_sconsignname(self):
"""Get the scons database name used, and return both the prefix and full filename.
if the user left the options defaulted AND the default algorithm set by
SCons is md5, then set the database name to be the special default name
otherwise, if it defaults to something like 'sha1' or the user explicitly
set 'md5' as the hash format, set the database name to .sconsign_<algorithm>
eg .sconsign_sha1, etc.
Returns:
a pair containing: the current dbname, the dbname.dblite filename
"""
hash_format = get_hash_format()
current_hash_algorithm = get_current_hash_algorithm_used()
if hash_format is None and current_hash_algorithm == 'md5':
return ".sconsign"
else:
database_prefix=".sconsign_%s" % current_hash_algorithm
return database_prefix
def unlink_sconsignfile(self, name='.sconsign.dblite'):
"""Delete the sconsign file.
Note on python it seems to append .p3 to the file name so we take
care of that.
TODO the above seems to not be an issue any more.
Args:
name: expected name of sconsign file
"""
if sys.version_info[0] == 3:
name += '.p3'
self.unlink(name)
def java_ENV(self, version=None):
""" Initialize JAVA SDK environment.
Initialize with a default external environment that uses a local
Java SDK in preference to whatever's found in the default PATH.
Args:
version: if set, match only that version
Returns:
the new env.
"""
if not self.external:
try:
return self._java_env[version]['ENV']
except AttributeError:
self._java_env = {}
except KeyError:
pass
import SCons.Environment
env = SCons.Environment.Environment()
self._java_env[version] = env
if version:
if sys.platform == 'win32':
patterns = [
'C:/Program Files*/Java/jdk*%s*/bin' % version,
]
else:
patterns = [
'/usr/java/jdk%s*/bin' % version,
'/usr/lib/jvm/*-%s*/bin' % version,
'/usr/local/j2sdk%s*/bin' % version,
]
java_path = self.paths(patterns) + [env['ENV']['PATH']]
else:
if sys.platform == 'win32':
patterns = [
'C:/Program Files*/Java/jdk*/bin',
]
else:
patterns = [
'/usr/java/latest/bin',
'/usr/lib/jvm/*/bin',
'/usr/local/j2sdk*/bin',
]
java_path = self.paths(patterns) + [env['ENV']['PATH']]
env['ENV']['PATH'] = os.pathsep.join(java_path)
return env['ENV']
return None
def java_where_includes(self, version=None):
""" Find include path needed for compiling java jni code.
Args:
version: if set, match only that version
Returns:
path to java headers or None
"""
import sys
result = []
if sys.platform[:6] == 'darwin':
java_home = self.java_where_java_home(version)
jni_path = os.path.join(java_home, 'include', 'jni.h')
if os.path.exists(jni_path):
result.append(os.path.dirname(jni_path))
if not version:
version = ''
jni_dirs = ['/System/Library/Frameworks/JavaVM.framework/Headers/jni.h',
'/usr/lib/jvm/default-java/include/jni.h',
'/usr/lib/jvm/java-*-oracle/include/jni.h']
else:
jni_dirs = ['/System/Library/Frameworks/JavaVM.framework/Versions/%s*/Headers/jni.h' % version]
jni_dirs.extend(['/usr/lib/jvm/java-*-sun-%s*/include/jni.h' % version,
'/usr/lib/jvm/java-%s*-openjdk*/include/jni.h' % version,
'/usr/java/jdk%s*/include/jni.h' % version])
dirs = self.paths(jni_dirs)
if not dirs:
return None
d = os.path.dirname(self.paths(jni_dirs)[0])
result.append(d)
if sys.platform == 'win32':
result.append(os.path.join(d, 'win32'))
elif sys.platform.startswith('linux'):
result.append(os.path.join(d, 'linux'))
return result
def java_where_java_home(self, version=None) -> str:
""" Find path to what would be JAVA_HOME.
SCons does not read JAVA_HOME from the environment, so deduce it.
Args:
version: if set, match only that version
Returns:
path where JDK components live
Bails out of the entire test (skip) if not found.
"""
if sys.platform[:6] == 'darwin':
# osx 10.11+
home_tool = '/usr/libexec/java_home'
java_home = ''
if os.path.exists(home_tool):
cp = sp.run(home_tool, stdout=sp.PIPE, stderr=sp.STDOUT)
if cp.returncode == 0:
java_home = cp.stdout.decode().strip()
if version is None:
if java_home:
return java_home
for home in [
'/System/Library/Frameworks/JavaVM.framework/Home',
# osx 10.10
'/System/Library/Frameworks/JavaVM.framework/Versions/Current/Home'
]:
if os.path.exists(home):
return home
else:
if java_home.find('jdk%s' % version) != -1:
return java_home
for home in [
'/System/Library/Frameworks/JavaVM.framework/Versions/%s/Home' % version,
# osx 10.10
'/System/Library/Frameworks/JavaVM.framework/Versions/Current/'
]:
if os.path.exists(home):
return home
# if we fell through, make sure flagged as not found
home = ''
else:
jar = self.java_where_jar(version)
home = os.path.normpath('%s/..' % jar)
if home and os.path.isdir(home):
return home
self.skip_test(
"Could not run Java: unable to detect valid JAVA_HOME, skipping test.\n",
from_fw=True,
)
def java_mac_check(self, where_java_bin, java_bin_name) -> None:
"""Extra check for Java on MacOS.
MacOS has a place holder java/javac, which fails with a detectable
error if Java is not actually installed, and works normally if it is.
Note msg has changed over time.
Bails out of the entire test (skip) if not found.
"""
cp = sp.run([where_java_bin, "-version"], stdout=sp.PIPE, stderr=sp.STDOUT)
if (
b"No Java runtime" in cp.stdout
or b"Unable to locate a Java Runtime" in cp.stdout
):
self.skip_test(
"Could not find Java " + java_bin_name + ", skipping test.\n",
from_fw=True,
)
def java_where_jar(self, version=None) -> str:
""" Find java archiver jar.
Args:
version: if set, match only that version
Returns:
path to jar
"""
ENV = self.java_ENV(version)
if self.detect_tool('jar', ENV=ENV):
where_jar = self.detect('JAR', 'jar', ENV=ENV)
else:
where_jar = self.where_is('jar', ENV['PATH'])
if not where_jar:
self.skip_test("Could not find Java jar, skipping test(s).\n", from_fw=True)
elif sys.platform == "darwin":
self.java_mac_check(where_jar, 'jar')
return where_jar
def java_where_java(self, version=None) -> str:
""" Find java executable.
Args:
version: if set, match only that version
Returns:
path to the java rutime
"""
ENV = self.java_ENV(version)
where_java = self.where_is('java', ENV['PATH'])
if not where_java:
self.skip_test("Could not find Java java, skipping test(s).\n", from_fw=True)
elif sys.platform == "darwin":
self.java_mac_check(where_java, 'java')
return where_java
def java_where_javac(self, version=None) -> str:
""" Find java compiler.
Args:
version: if set, match only that version
Returns:
path to javac
"""
ENV = self.java_ENV(version)
if self.detect_tool('javac'):
where_javac = self.detect('JAVAC', 'javac', ENV=ENV)
else:
where_javac = self.where_is('javac', ENV['PATH'])
if not where_javac:
self.skip_test("Could not find Java javac, skipping test(s).\n", from_fw=True)
elif sys.platform == "darwin":
self.java_mac_check(where_javac, 'javac')
self.run(program=where_javac,
arguments='-version',
stderr=None,
status=None)
# Note recent versions output version info to stdout instead of stderr
if version:
verf = 'javac %s' % version
if self.stderr().find(verf) == -1 and self.stdout().find(verf) == -1:
fmt = "Could not find javac for Java version %s, skipping test(s).\n"
self.skip_test(fmt % version, from_fw=True)
else:
version_re = r'javac (\d*\.*\d)'
m = re.search(version_re, self.stderr())
if not m:
m = re.search(version_re, self.stdout())
if m:
version = m.group(1)
self.javac_is_gcj = False
elif self.stderr().find('gcj') != -1:
version = '1.2'
self.javac_is_gcj = True
else:
version = None
self.javac_is_gcj = False
return where_javac, version
def java_where_javah(self, version=None) -> str:
""" Find java header generation tool.
TODO issue #3347 since JDK10, there is no separate javah command,
'javac -h' is used. We should not return a javah from a different
installed JDK - how to detect and what to return in this case?
Args:
version: if set, match only that version
Returns:
path to javah
"""
ENV = self.java_ENV(version)
if self.detect_tool('javah'):
where_javah = self.detect('JAVAH', 'javah', ENV=ENV)
else:
where_javah = self.where_is('javah', ENV['PATH'])
if not where_javah:
self.skip_test("Could not find Java javah, skipping test(s).\n", from_fw=True)
return where_javah
def java_where_rmic(self, version=None) -> str:
""" Find java rmic tool.
Args:
version: if set, match only that version
Returns:
path to rmic
"""
ENV = self.java_ENV(version)
if self.detect_tool('rmic'):
where_rmic = self.detect('RMIC', 'rmic', ENV=ENV)
else:
where_rmic = self.where_is('rmic', ENV['PATH'])
if not where_rmic:
self.skip_test("Could not find Java rmic, skipping non-simulated test(s).\n", from_fw=True)
return where_rmic
def java_get_class_files(self, dir):
result = []
for dirpath, dirnames, filenames in os.walk(dir):
for fname in filenames:
if fname.endswith('.class'):
result.append(os.path.join(dirpath, fname))
return sorted(result)
def Qt_dummy_installation(self, dir='qt'):
# create a dummy qt installation
self.subdir(dir, [dir, 'bin'], [dir, 'include'], [dir, 'lib'])
self.write([dir, 'bin', 'mymoc.py'], """\
import getopt
import sys
import re
# -w and -z are fake options used in test/QT/QTFLAGS.py
cmd_opts, args = getopt.getopt(sys.argv[1:], 'io:wz', [])
impl = 0
opt_string = ''
for opt, arg in cmd_opts:
if opt == '-o': outfile = arg
elif opt == '-i': impl = 1
else: opt_string = opt_string + ' ' + opt
with open(outfile, 'w') as ofp:
ofp.write("/* mymoc.py%s */\\n" % opt_string)
for a in args:
with open(a, 'r') as ifp:
contents = ifp.read()
a = a.replace('\\\\', '\\\\\\\\')
subst = r'{ my_qt_symbol( "' + a + '\\\\n" ); }'
if impl:
contents = re.sub(r'#include.*', '', contents)
ofp.write(contents.replace('Q_OBJECT', subst))
sys.exit(0)
""")
self.write([dir, 'bin', 'myuic.py'], """\
import os.path
import re
import sys
output_arg = 0
impl_arg = 0
impl = None
source = None
opt_string = ''
for arg in sys.argv[1:]:
if output_arg:
outfile = arg
output_arg = 0
elif impl_arg:
impl = arg
impl_arg = 0
elif arg == "-o":
output_arg = 1
elif arg == "-impl":
impl_arg = 1
elif arg[0:1] == "-":
opt_string = opt_string + ' ' + arg
else:
if source:
sys.exit(1)
source = sourceFile = arg
with open(outfile, 'w') as ofp, open(source, 'r') as ifp:
ofp.write("/* myuic.py%s */\\n" % opt_string)
if impl:
ofp.write('#include "' + impl + '"\\n')
includes = re.findall('<include.*?>(.*?)</include>', ifp.read())
for incFile in includes:
# this is valid for ui.h files, at least
if os.path.exists(incFile):
ofp.write('#include "' + incFile + '"\\n')
else:
ofp.write('#include "my_qobject.h"\\n' + ifp.read() + " Q_OBJECT \\n")
sys.exit(0)
""")
self.write([dir, 'include', 'my_qobject.h'], r"""
#define Q_OBJECT ;
void my_qt_symbol(const char *arg);
""")
self.write([dir, 'lib', 'my_qobject.cpp'], r"""
#include "../include/my_qobject.h"
#include <stdio.h>
void my_qt_symbol(const char *arg) {
fputs(arg, stdout);
}
""")
self.write([dir, 'lib', 'SConstruct'], r"""
import sys
env = Environment()
if sys.platform == 'win32':
env.StaticLibrary('myqt', 'my_qobject.cpp')
else:
env.SharedLibrary('myqt', 'my_qobject.cpp')
""")
self.run(chdir=self.workpath(dir, 'lib'),
arguments='.',
stderr=noisy_ar,
match=self.match_re_dotall)
self.QT = self.workpath(dir)
self.QT_LIB = 'myqt'
self.QT_MOC = '%s %s' % (_python_, self.workpath(dir, 'bin', 'mymoc.py'))
self.QT_UIC = '%s %s' % (_python_, self.workpath(dir, 'bin', 'myuic.py'))
self.QT_LIB_DIR = self.workpath(dir, 'lib')
def Qt_create_SConstruct(self, place):
if isinstance(place, list):
place = test.workpath(*place)
self.write(place, """\
if ARGUMENTS.get('noqtdir', 0):
QTDIR = None
else:
QTDIR = r'%s'
env = Environment(
QTDIR=QTDIR, QT_LIB=r'%s', QT_MOC=r'%s', QT_UIC=r'%s', tools=['default', 'qt']
)
dup = 1
if ARGUMENTS.get('variant_dir', 0):
if ARGUMENTS.get('chdir', 0):
SConscriptChdir(1)
else:
SConscriptChdir(0)
dup = int(ARGUMENTS.get('dup', 1))
if dup == 0:
builddir = 'build_dup0'
env['QT_DEBUG'] = 1
else:
builddir = 'build'
VariantDir(builddir, '.', duplicate=dup)
print(builddir, dup)
sconscript = Dir(builddir).File('SConscript')
else:
sconscript = File('SConscript')
Export("env dup")
SConscript(sconscript)
""" % (self.QT, self.QT_LIB, self.QT_MOC, self.QT_UIC))
NCR = 0 # non-cached rebuild
CR = 1 # cached rebuild (up to date)
NCF = 2 # non-cached build failure
CF = 3 # cached build failure
if sys.platform == 'win32':
Configure_lib = 'msvcrt'
else:
Configure_lib = 'm'
# to use cygwin compilers on cmd.exe -> uncomment following line
# Configure_lib = 'm'
def coverage_run(self):
""" Check if the the tests are being run under coverage.
"""
return 'COVERAGE_PROCESS_START' in os.environ or 'COVERAGE_FILE' in os.environ
def skip_if_not_msvc(self, check_platform=True):
""" Skip test if MSVC is not available.
Check whether we are on a Windows platform and skip the test if
not. This check can be omitted by setting check_platform to False.
Then, for a win32 platform, additionally check whether we have
an MSVC toolchain installed in the system, and skip the test if
none can be found (e.g. MinGW is the only compiler available).
"""
if check_platform:
if sys.platform != 'win32':
msg = "Skipping Visual C/C++ test on non-Windows platform '%s'\n" % sys.platform
self.skip_test(msg, from_fw=True)
return
try:
import SCons.Tool.MSCommon as msc
if not msc.msvc_exists():
msg = "No MSVC toolchain found...skipping test\n"
self.skip_test(msg, from_fw=True)
except Exception:
pass
def checkConfigureLogAndStdout(self, checks,
logfile='config.log',
sconf_dir='.sconf_temp',
sconstruct="SConstruct",
doCheckLog=True, doCheckStdout=True):
""" Verify expected output from Configure.
Used to verify the expected output from using Configure()
via the contents of one or both of stdout or config.log file.
If the algorithm does not succeed, the test is marked a fail
and this function does not return.
TODO: Perhaps a better API makes sense?
Args:
checks: list of ConfigCheckInfo tuples which specify
logfile: Name of the config log
sconf_dir: Name of the sconf dir
sconstruct: SConstruct file name
doCheckLog: check specified log file, defaults to true
doCheckStdout: Check stdout, defaults to true
"""
try:
ls = '\n'
nols = '([^\n])'
lastEnd = 0
# Read the whole logfile
logfile = self.read(self.workpath(logfile), mode='r')
# Some debug code to keep around..
# sys.stderr.write("LOGFILE[%s]:%s"%(type(logfile),logfile))
if (doCheckLog and
logfile.find("scons: warning: The stored build information has an unexpected class.") >= 0):
self.fail_test()
log = r'file\ \S*%s\,line \d+:' % re.escape(sconstruct) + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
log = "\t" + re.escape("Configure(confdir = %s)" % sconf_dir) + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
rdstr = ""
for check_info in checks:
log = re.escape("scons: Configure: " + check_info.check_string) + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
log = ""
result_cached = 1
for bld_desc in check_info.cached: # each TryXXX
for ext, flag in bld_desc: # each file in TryBuild
conf_filename = re.escape(check_info.temp_filename%ext)
if flag == self.NCR:
# NCR = Non Cached Rebuild
# rebuild will pass
if ext in ['.c', '.cpp']:
log = log + conf_filename + re.escape(" <-") + ls
log = log + r"( \|" + nols + "*" + ls + ")+?"
else:
log = log + "(" + nols + "*" + ls + ")*?"
result_cached = 0
if flag == self.CR:
# CR = cached rebuild (up to date)s
# up to date
log = log + \
re.escape("scons: Configure: \"") + \
conf_filename + \
re.escape("\" is up to date.") + ls
log = log + re.escape("scons: Configure: The original builder "
"output was:") + ls
log = log + r"( \|.*" + ls + ")+"
if flag == self.NCF:
# non-cached rebuild failure
log = log + "(" + nols + "*" + ls + ")*?"
result_cached = 0
if flag == self.CF:
# cached rebuild failure
log = log + \
re.escape("scons: Configure: Building \"") + \
conf_filename + \
re.escape("\" failed in a previous run and all its sources are up to date.") + ls
log = log + re.escape("scons: Configure: The original builder output was:") + ls
log = log + r"( \|.*" + ls + ")+"
if result_cached:
result = "(cached) " + check_info.result
else:
result = check_info.result
rdstr = rdstr + re.escape(check_info.check_string) + re.escape(result) + "\n"
log = log + re.escape("scons: Configure: " + result) + ls + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
log = ""
if doCheckLog:
lastEnd = match_part_of_configlog(ls, logfile, lastEnd)
if doCheckLog and lastEnd != len(logfile):
raise NoMatch(lastEnd)
except NoMatch as m:
print("Cannot match log file against log regexp.")
print("log file: ")
print("------------------------------------------------------")
print(logfile[m.pos:])
print("------------------------------------------------------")
print("log regexp: ")
print("------------------------------------------------------")
print(log)
print("------------------------------------------------------")
self.fail_test()
if doCheckStdout:
exp_stdout = self.wrap_stdout(".*", rdstr)
if not self.match_re_dotall(self.stdout(), exp_stdout):
print("Unexpected stdout: ")
print("-----------------------------------------------------")
print(repr(self.stdout()))
print("-----------------------------------------------------")
print(repr(exp_stdout))
print("-----------------------------------------------------")
self.fail_test()
def checkLogAndStdout(self, checks, results, cached,
logfile, sconf_dir, sconstruct,
doCheckLog=True, doCheckStdout=True):
""" Verify expected output from Configure.
Used to verify the expected output from using Configure()
via the contents of one or both of stdout or config.log file.
The checks, results, cached parameters all are zipped together
for use in comparing results. If the algorithm does not
succeed, the test is marked a fail and this function does not return.
TODO: Perhaps a better API makes sense?
Args:
checks: The Configure checks being run
results: The expected results for each check
cached: If the corresponding check is expected to be cached
logfile: Name of the config log
sconf_dir: Name of the sconf dir
sconstruct: SConstruct file name
doCheckLog: check specified log file, defaults to true
doCheckStdout: Check stdout, defaults to true
"""
try:
ls = '\n'
nols = '([^\n])'
lastEnd = 0
# Read the whole logfile
logfile = self.read(self.workpath(logfile), mode='r')
# Some debug code to keep around..
# sys.stderr.write("LOGFILE[%s]:%s"%(type(logfile),logfile))
if (doCheckLog and
logfile.find("scons: warning: The stored build information has an unexpected class.") >= 0):
self.fail_test()
sconf_dir = sconf_dir
sconstruct = sconstruct
log = r'file\ \S*%s\,line \d+:' % re.escape(sconstruct) + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
log = "\t" + re.escape("Configure(confdir = %s)" % sconf_dir) + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
rdstr = ""
cnt = 0
for check, result, cache_desc in zip(checks, results, cached):
log = re.escape("scons: Configure: " + check) + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
log = ""
result_cached = 1
for bld_desc in cache_desc: # each TryXXX
for ext, flag in bld_desc: # each file in TryBuild
if ext in ['.c', '.cpp']:
conf_filename = re.escape(os.path.join(sconf_dir, "conftest")) +\
r'_[a-z0-9]{32,64}_\d+%s' % re.escape(ext)
elif ext == '':
conf_filename = re.escape(os.path.join(sconf_dir, "conftest")) +\
r'_[a-z0-9]{32,64}(_\d+_[a-z0-9]{32,64})?'
else:
# We allow the second hash group to be optional because
# TryLink() will create a c file, then compile to obj, then link that
# The intermediate object file will not get the action hash
# But TryCompile()'s where the product is the .o will get the
# action hash. Rather than add a ton of complications to this logic
# this shortcut should be sufficient.
# TODO: perhaps revisit and/or fix file naming for intermediate files in
# Configure context logic
conf_filename = re.escape(os.path.join(sconf_dir, "conftest")) +\
r'_[a-z0-9]{32,64}_\d+(_[a-z0-9]{32,64})?%s' % re.escape(ext)
if flag == self.NCR:
# NCR = Non Cached Rebuild
# rebuild will pass
if ext in ['.c', '.cpp']:
log = log + conf_filename + re.escape(" <-") + ls
log = log + r"( \|" + nols + "*" + ls + ")+?"
else:
log = log + "(" + nols + "*" + ls + ")*?"
result_cached = 0
if flag == self.CR:
# CR = cached rebuild (up to date)s
# up to date
log = log + \
re.escape("scons: Configure: \"") + \
conf_filename + \
re.escape("\" is up to date.") + ls
log = log + re.escape("scons: Configure: The original builder "
"output was:") + ls
log = log + r"( \|.*" + ls + ")+"
if flag == self.NCF:
# non-cached rebuild failure
log = log + "(" + nols + "*" + ls + ")*?"
result_cached = 0
if flag == self.CF:
# cached rebuild failure
log = log + \
re.escape("scons: Configure: Building \"") + \
conf_filename + \
re.escape("\" failed in a previous run and all its sources are up to date.") + ls
log = log + re.escape("scons: Configure: The original builder output was:") + ls
log = log + r"( \|.*" + ls + ")+"
# cnt = cnt + 1
if result_cached:
result = "(cached) " + result
rdstr = rdstr + re.escape(check) + re.escape(result) + "\n"
log = log + re.escape("scons: Configure: " + result) + ls + ls
if doCheckLog:
lastEnd = match_part_of_configlog(log, logfile, lastEnd)
log = ""
if doCheckLog:
lastEnd = match_part_of_configlog(ls, logfile, lastEnd)
if doCheckLog and lastEnd != len(logfile):
raise NoMatch(lastEnd)
except NoMatch as m:
print("Cannot match log file against log regexp.")
print("log file: ")
print("------------------------------------------------------")
print(logfile[m.pos:])
print("------------------------------------------------------")
print("log regexp: ")
print("------------------------------------------------------")
print(log)
print("------------------------------------------------------")
self.fail_test()
if doCheckStdout:
exp_stdout = self.wrap_stdout(".*", rdstr)
if not self.match_re_dotall(self.stdout(), exp_stdout):
print("Unexpected stdout: ")
print("----Actual-------------------------------------------")
print(repr(self.stdout()))
print("----Expected-----------------------------------------")
print(repr(exp_stdout))
print("-----------------------------------------------------")
self.fail_test()
def get_python_version(self) -> str:
""" Returns the Python version.
Convenience function so everyone doesn't have to
hand-code slicing the right number of characters
"""
# see also sys.prefix documentation
return python_minor_version_string()
def get_platform_python_info(self, python_h_required=False):
"""Return information about Python.
Returns a path to a Python executable suitable for testing on
this platform and its associated include path, library path and
library name.
If the Python executable or Python header (if required)
is not found, the test is skipped.
Returns:
tuple: path to python, include path, library path, library name
"""
python = os.environ.get('python_executable', self.where_is('python'))
if not python:
self.skip_test('Can not find installed "python", skipping test.\n', from_fw=True)
# construct a program to run in the intended environment
# in order to fetch the characteristics of that Python.
# Windows Python doesn't store all the info in config vars.
if sys.platform == 'win32':
self.run(program=python, stdin="""\
import sysconfig, sys, os.path
py_ver = 'python%d%d' % sys.version_info[:2]
try:
exec_prefix = sysconfig.get_config_var("exec_prefix")
include = sysconfig.get_config_var("INCLUDEPY")
print(include)
lib_path = os.path.join(exec_prefix, 'libs')
if not os.path.exists(lib_path):
# check for virtualenv path.
# this might not build anything different than first try.
def venv_path():
if hasattr(sys, 'real_prefix'):
return sys.real_prefix
if hasattr(sys, 'base_prefix'):
return sys.base_prefix
lib_path = os.path.join(venv_path(), 'libs')
if not os.path.exists(lib_path):
# not clear this is useful: 'lib' does not contain linkable libs
lib_path = os.path.join(exec_prefix, 'lib')
print(lib_path)
except:
include = os.path.join(sys.prefix, 'include', py_ver)
print(include)
lib_path = os.path.join(sys.prefix, 'lib', py_ver, 'config')
print(lib_path)
print(py_ver)
Python_h = os.path.join(include, "Python.h")
if os.path.exists(Python_h):
print(Python_h)
else:
print("False")
""")
else:
self.run(program=python, stdin="""\
import sys, sysconfig, os.path
include = sysconfig.get_config_var("INCLUDEPY")
print(include)
print(sysconfig.get_config_var("LIBDIR"))
py_library_ver = sysconfig.get_config_var("LDVERSION")
if not py_library_ver:
py_library_ver = '%d.%d' % sys.version_info[:2]
print("python"+py_library_ver)
Python_h = os.path.join(include, "Python.h")
if os.path.exists(Python_h):
print(Python_h)
else:
print("False")
""")
incpath, libpath, libname, python_h = self.stdout().strip().split('\n')
if python_h == "False" and python_h_required:
self.skip_test('Can not find required "Python.h", skipping test.\n', from_fw=True)
return (python, incpath, libpath, libname)
def start(self, *args, **kw):
"""
Starts SCons in the test environment.
This method exists to tell Test{Cmd,Common} that we're going to
use standard input without forcing every .start() call in the
individual tests to do so explicitly.
"""
if 'stdin' not in kw:
kw['stdin'] = True
sconsflags = initialize_sconsflags(self.ignore_python_version)
try:
p = super().start(*args, **kw)
finally:
restore_sconsflags(sconsflags)
return p
def wait_for(self, fname, timeout=20.0, popen=None):
"""
Waits for the specified file name to exist.
"""
waited = 0.0
while not os.path.exists(fname):
if timeout and waited >= timeout:
sys.stderr.write('timed out waiting for %s to exist\n' % fname)
if popen:
popen.stdin.close()
popen.stdin = None
self.status = 1
self.finish(popen)
stdout = self.stdout()
if stdout:
sys.stdout.write(self.banner('STDOUT ') + '\n')
sys.stdout.write(stdout)
stderr = self.stderr()
if stderr:
sys.stderr.write(self.banner('STDERR ') + '\n')
sys.stderr.write(stderr)
self.fail_test()
time.sleep(1.0)
waited = waited + 1.0
def get_alt_cpp_suffix(self):
"""Return alternate C++ file suffix.
Many CXX tests have this same logic.
They all needed to determine if the current os supports
files with .C and .c as different files or not
in which case they are instructed to use .cpp instead of .C
"""
if not case_sensitive_suffixes('.c', '.C'):
alt_cpp_suffix = '.cpp'
else:
alt_cpp_suffix = '.C'
return alt_cpp_suffix
def platform_has_symlink(self) -> bool:
"""Retun an indication of whether symlink tests should be run.
Despite the name, we really mean "are they reliably usable"
rather than "do they exist" - basically the Windows case.
"""
if not hasattr(os, 'symlink') or sys.platform == 'win32':
return False
else:
return True
def zipfile_contains(self, zipfilename, names):
"""Returns True if zipfilename contains all the names, False otherwise."""
with zipfile.ZipFile(zipfilename, 'r') as zf:
return all(elem in zf.namelist() for elem in names)
def zipfile_files(self, fname):
"""Returns all the filenames in zip file fname."""
with zipfile.ZipFile(fname, 'r') as zf:
return zf.namelist()
class Stat:
def __init__(self, name, units, expression, convert=None):
if convert is None:
convert = lambda x: x
self.name = name
self.units = units
self.expression = re.compile(expression)
self.convert = convert
StatList = [
Stat('memory-initial', 'kbytes',
r'Memory before reading SConscript files:\s+(\d+)',
convert=lambda s: int(s) // 1024),
Stat('memory-prebuild', 'kbytes',
r'Memory before building targets:\s+(\d+)',
convert=lambda s: int(s) // 1024),
Stat('memory-final', 'kbytes',
r'Memory after building targets:\s+(\d+)',
convert=lambda s: int(s) // 1024),
Stat('time-sconscript', 'seconds',
r'Total SConscript file execution time:\s+([\d.]+) seconds'),
Stat('time-scons', 'seconds',
r'Total SCons execution time:\s+([\d.]+) seconds'),
Stat('time-commands', 'seconds',
r'Total command execution time:\s+([\d.]+) seconds'),
Stat('time-total', 'seconds',
r'Total build time:\s+([\d.]+) seconds'),
]
class TimeSCons(TestSCons):
"""Class for timing SCons."""
def __init__(self, *args, **kw):
"""
In addition to normal TestSCons.TestSCons intialization,
this enables verbose mode (which causes the command lines to
be displayed in the output) and copies the contents of the
directory containing the executing script to the temporary
working directory.
"""
self.variables = kw.get('variables')
default_calibrate_variables = []
if self.variables is not None:
for variable, value in self.variables.items():
value = os.environ.get(variable, value)
try:
value = int(value)
except ValueError:
try:
value = float(value)
except ValueError:
pass
else:
default_calibrate_variables.append(variable)
else:
default_calibrate_variables.append(variable)
self.variables[variable] = value
del kw['variables']
calibrate_keyword_arg = kw.get('calibrate')
if calibrate_keyword_arg is None:
self.calibrate_variables = default_calibrate_variables
else:
self.calibrate_variables = calibrate_keyword_arg
del kw['calibrate']
self.calibrate = os.environ.get('TIMESCONS_CALIBRATE', '0') != '0'
if 'verbose' not in kw and not self.calibrate:
kw['verbose'] = True
super().__init__(*args, **kw)
# TODO(sgk): better way to get the script dir than sys.argv[0]
self.test_dir = os.path.dirname(sys.argv[0])
test_name = os.path.basename(self.test_dir)
if not os.path.isabs(self.test_dir):
self.test_dir = os.path.join(self.orig_cwd, self.test_dir)
self.copy_timing_configuration(self.test_dir, self.workpath())
def main(self, *args, **kw):
"""
The main entry point for standard execution of timings.
This method run SCons three times:
Once with the --help option, to have it exit after just reading
the configuration.
Once as a full build of all targets.
Once again as a (presumably) null or up-to-date build of
all targets.
The elapsed time to execute each build is printed after
it has finished.
"""
if 'options' not in kw and self.variables:
options = []
for variable, value in self.variables.items():
options.append('%s=%s' % (variable, value))
kw['options'] = ' '.join(options)
if self.calibrate:
self.calibration(*args, **kw)
else:
self.uptime()
self.startup(*args, **kw)
self.full(*args, **kw)
self.null(*args, **kw)
def trace(self, graph, name, value, units, sort=None):
fmt = "TRACE: graph=%s name=%s value=%s units=%s"
line = fmt % (graph, name, value, units)
if sort is not None:
line = line + (' sort=%s' % sort)
line = line + '\n'
sys.stdout.write(line)
sys.stdout.flush()
def report_traces(self, trace, stats):
self.trace('TimeSCons-elapsed',
trace,
self.elapsed_time(),
"seconds",
sort=0)
for name, args in stats.items():
self.trace(name, trace, **args)
def uptime(self):
try:
fp = open('/proc/loadavg')
except EnvironmentError:
pass
else:
avg1, avg5, avg15 = fp.readline().split(" ")[:3]
fp.close()
self.trace('load-average', 'average1', avg1, 'processes')
self.trace('load-average', 'average5', avg5, 'processes')
self.trace('load-average', 'average15', avg15, 'processes')
def collect_stats(self, input):
result = {}
for stat in StatList:
m = stat.expression.search(input)
if m:
value = stat.convert(m.group(1))
# The dict keys match the keyword= arguments
# of the trace() method above so they can be
# applied directly to that call.
result[stat.name] = {'value': value, 'units': stat.units}
return result
def add_timing_options(self, kw, additional=None):
"""
Add the necessary timings options to the kw['options'] value.
"""
options = kw.get('options', '')
if additional is not None:
options += additional
kw['options'] = options + ' --debug=memory,time'
def startup(self, *args, **kw):
"""
Runs scons with the --help option.
This serves as a way to isolate just the amount of startup time
spent reading up the configuration, since --help exits before any
"real work" is done.
"""
self.add_timing_options(kw, ' --help')
# Ignore the exit status. If the --help run dies, we just
# won't report any statistics for it, but we can still execute
# the full and null builds.
kw['status'] = None
self.run(*args, **kw)
sys.stdout.write(self.stdout())
stats = self.collect_stats(self.stdout())
# Delete the time-commands, since no commands are ever
# executed on the help run and it is (or should be) always 0.0.
del stats['time-commands']
self.report_traces('startup', stats)
def full(self, *args, **kw):
"""
Runs a full build of SCons.
"""
self.add_timing_options(kw)
self.run(*args, **kw)
sys.stdout.write(self.stdout())
stats = self.collect_stats(self.stdout())
self.report_traces('full', stats)
self.trace('full-memory', 'initial', **stats['memory-initial'])
self.trace('full-memory', 'prebuild', **stats['memory-prebuild'])
self.trace('full-memory', 'final', **stats['memory-final'])
def calibration(self, *args, **kw):
"""
Runs a full build of SCons, but only reports calibration
information (the variable(s) that were set for this configuration,
and the elapsed time to run.
"""
self.add_timing_options(kw)
self.run(*args, **kw)
for variable in self.calibrate_variables:
value = self.variables[variable]
sys.stdout.write('VARIABLE: %s=%s\n' % (variable, value))
sys.stdout.write('ELAPSED: %s\n' % self.elapsed_time())
def null(self, *args, **kw):
"""
Runs an up-to-date null build of SCons.
"""
# TODO(sgk): allow the caller to specify the target (argument)
# that must be up-to-date.
self.add_timing_options(kw)
# Build up regex for
# SConscript:/private/var/folders/ng/48pttrpj239fw5rmm3x65pxr0000gn/T/testcmd.12081.pk1bv5i5/SConstruct took 533.646 ms
read_str = 'SConscript:.*\n'
self.up_to_date(arguments='.', read_str=read_str, **kw)
sys.stdout.write(self.stdout())
stats = self.collect_stats(self.stdout())
# time-commands should always be 0.0 on a null build, because
# no commands should be executed. Remove it from the stats
# so we don't trace it, but only if it *is* 0 so that we'll
# get some indication if a supposedly-null build actually does
# build something.
if float(stats['time-commands']['value']) == 0.0:
del stats['time-commands']
self.report_traces('null', stats)
self.trace('null-memory', 'initial', **stats['memory-initial'])
self.trace('null-memory', 'prebuild', **stats['memory-prebuild'])
self.trace('null-memory', 'final', **stats['memory-final'])
def elapsed_time(self):
"""
Returns the elapsed time of the most recent command execution.
"""
return self.endTime - self.startTime
def run(self, *args, **kw):
"""
Runs a single build command, capturing output in the specified file.
Because this class is about timing SCons, we record the start
and end times of the elapsed execution, and also add the
--debug=memory and --debug=time options to have SCons report
its own memory and timing statistics.
"""
self.startTime = time.perf_counter()
try:
result = TestSCons.run(self, *args, **kw)
finally:
self.endTime = time.perf_counter()
return result
def copy_timing_configuration(self, source_dir, dest_dir):
"""
Copies the timing configuration from the specified source_dir (the
directory in which the controlling script lives) to the specified
dest_dir (a temporary working directory).
This ignores all files and directories that begin with the string
'TimeSCons-', and all '.svn' subdirectories.
"""
for root, dirs, files in os.walk(source_dir):
if '.svn' in dirs:
dirs.remove('.svn')
dirs = [d for d in dirs if not d.startswith('TimeSCons-')]
files = [f for f in files if not f.startswith('TimeSCons-')]
for dirname in dirs:
source = os.path.join(root, dirname)
destination = source.replace(source_dir, dest_dir)
os.mkdir(destination)
if sys.platform != 'win32':
shutil.copystat(source, destination)
for filename in files:
source = os.path.join(root, filename)
destination = source.replace(source_dir, dest_dir)
shutil.copy2(source, destination)
def up_to_date(self, arguments='.', read_str="", **kw):
"""Asserts that all of the targets listed in arguments is
up to date, but does not make any assumptions on other targets.
This function is most useful in conjunction with the -n option.
Note: This custom version for timings tests does NOT escape
read_str.
"""
s = ""
for arg in arguments.split():
s = s + "scons: `%s' is up to date.\n" % arg
kw['arguments'] = arguments
stdout = self.wrap_stdout(read_str="REPLACEME", build_str=s)
# Append '.*' so that timing output that comes after the
# up-to-date output is okay.
stdout = re.escape(stdout) + '.*'
stdout = stdout.replace('REPLACEME', read_str)
kw['stdout'] = stdout
kw['match'] = self.match_re_dotall
self.run(**kw)
# In some environments, $AR will generate a warning message to stderr
# if the library doesn't previously exist and is being created. One
# way to fix this is to tell AR to be quiet (sometimes the 'c' flag),
# but this is difficult to do in a platform-/implementation-specific
# method. Instead, we will use the following as a stderr match for
# tests that use AR so that we will view zero or more "ar: creating
# <file>" messages to be successful executions of the test (see
# test/AR.py for sample usage).
noisy_ar = r'(ar: creating( archive)? \S+\n?)*'
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: