gecko-dev/config/tests/unit-expandlibs.py

421 строка
18 KiB
Python
Исходник Обычный вид История

import subprocess
import unittest
import sys
import os
import imp
from tempfile import mkdtemp
from shutil import rmtree
import mozunit
from UserString import UserString
# Create a controlled configuration for use by expandlibs
config_win = {
'AR': 'lib',
'AR_EXTRACT': '',
'DLL_PREFIX': '',
'LIB_PREFIX': '',
'OBJ_SUFFIX': '.obj',
'LIB_SUFFIX': '.lib',
'DLL_SUFFIX': '.dll',
'IMPORT_LIB_SUFFIX': '.lib',
'LIBS_DESC_SUFFIX': '.desc',
'EXPAND_LIBS_LIST_STYLE': 'list',
}
config_unix = {
'AR': 'ar',
'AR_EXTRACT': 'ar -x',
'DLL_PREFIX': 'lib',
'LIB_PREFIX': 'lib',
'OBJ_SUFFIX': '.o',
'LIB_SUFFIX': '.a',
'DLL_SUFFIX': '.so',
'IMPORT_LIB_SUFFIX': '',
'LIBS_DESC_SUFFIX': '.desc',
'EXPAND_LIBS_LIST_STYLE': 'linkerscript',
}
config = sys.modules['expandlibs_config'] = imp.new_module('expandlibs_config')
from expandlibs import LibDescriptor, ExpandArgs, relativize, ExpandLibsDeps
from expandlibs_gen import generate
from expandlibs_exec import ExpandArgsMore, SectionFinder
def Lib(name):
return config.LIB_PREFIX + name + config.LIB_SUFFIX
def Obj(name):
return name + config.OBJ_SUFFIX
def Dll(name):
return config.DLL_PREFIX + name + config.DLL_SUFFIX
def ImportLib(name):
if not len(config.IMPORT_LIB_SUFFIX): return Dll(name)
return config.LIB_PREFIX + name + config.IMPORT_LIB_SUFFIX
class TestRelativize(unittest.TestCase):
def test_relativize(self):
'''Test relativize()'''
os_path_exists = os.path.exists
def exists(path):
return True
os.path.exists = exists
self.assertEqual(relativize(os.path.abspath(os.curdir)), os.curdir)
self.assertEqual(relativize(os.path.abspath(os.pardir)), os.pardir)
self.assertEqual(relativize(os.path.join(os.curdir, 'a')), 'a')
self.assertEqual(relativize(os.path.join(os.path.abspath(os.curdir), 'a')), 'a')
# relativize is expected to return the absolute path if it is shorter
self.assertEqual(relativize(os.sep), os.sep)
os.path.exists = os.path.exists
class TestLibDescriptor(unittest.TestCase):
def test_serialize(self):
'''Test LibDescriptor's serialization'''
desc = LibDescriptor()
desc[LibDescriptor.KEYS[0]] = ['a', 'b']
self.assertEqual(str(desc), "{0} = a b".format(LibDescriptor.KEYS[0]))
desc['unsupported-key'] = ['a']
self.assertEqual(str(desc), "{0} = a b".format(LibDescriptor.KEYS[0]))
desc[LibDescriptor.KEYS[1]] = ['c', 'd', 'e']
self.assertEqual(str(desc),
"{0} = a b\n{1} = c d e"
.format(LibDescriptor.KEYS[0], LibDescriptor.KEYS[1]))
desc[LibDescriptor.KEYS[0]] = []
self.assertEqual(str(desc), "{0} = c d e".format(LibDescriptor.KEYS[1]))
def test_read(self):
'''Test LibDescriptor's initialization'''
desc_list = ["# Comment",
"{0} = a b".format(LibDescriptor.KEYS[1]),
"", # Empty line
"foo = bar", # Should be discarded
"{0} = c d e".format(LibDescriptor.KEYS[0])]
desc = LibDescriptor(desc_list)
self.assertEqual(desc[LibDescriptor.KEYS[1]], ['a', 'b'])
self.assertEqual(desc[LibDescriptor.KEYS[0]], ['c', 'd', 'e'])
self.assertEqual(False, 'foo' in desc)
def wrap_method(conf, wrapped_method):
'''Wrapper used to call a test with a specific configuration'''
def _method(self):
for key in conf:
setattr(config, key, conf[key])
self.init()
try:
wrapped_method(self)
except:
raise
finally:
self.cleanup()
return _method
class ReplicateTests(type):
'''Replicates tests for unix and windows variants'''
def __new__(cls, clsName, bases, dict):
for name in [key for key in dict if key.startswith('test_')]:
dict[name + '_unix'] = wrap_method(config_unix, dict[name])
dict[name + '_unix'].__doc__ = dict[name].__doc__ + ' (unix)'
dict[name + '_win'] = wrap_method(config_win, dict[name])
dict[name + '_win'].__doc__ = dict[name].__doc__ + ' (win)'
del dict[name]
return type.__new__(cls, clsName, bases, dict)
class TestCaseWithTmpDir(unittest.TestCase):
__metaclass__ = ReplicateTests
def init(self):
self.tmpdir = os.path.abspath(mkdtemp(dir=os.curdir))
def cleanup(self):
rmtree(self.tmpdir)
def touch(self, files):
for f in files:
open(f, 'w').close()
def tmpfile(self, *args):
return os.path.join(self.tmpdir, *args)
class TestExpandLibsGen(TestCaseWithTmpDir):
def test_generate(self):
'''Test library descriptor generation'''
files = [self.tmpfile(f) for f in
[Lib('a'), Obj('b'), Lib('c'), Obj('d'), Obj('e'), Lib('f')]]
self.touch(files[:-1])
self.touch([files[-1] + config.LIBS_DESC_SUFFIX])
desc = generate(files)
self.assertEqual(desc['OBJS'], [self.tmpfile(Obj(s)) for s in ['b', 'd', 'e']])
self.assertEqual(desc['LIBS'], [self.tmpfile(Lib(s)) for s in ['a', 'c', 'f']])
self.assertRaises(Exception, generate, files + [self.tmpfile(Obj('z'))])
self.assertRaises(Exception, generate, files + [self.tmpfile(Lib('y'))])
class TestExpandInit(TestCaseWithTmpDir):
def init(self):
''' Initializes test environment for library expansion tests'''
super(TestExpandInit, self).init()
# Create 2 fake libraries, each containing 3 objects, and the second
# including the first one and another library.
os.mkdir(self.tmpfile('libx'))
os.mkdir(self.tmpfile('liby'))
self.libx_files = [self.tmpfile('libx', Obj(f)) for f in ['g', 'h', 'i']]
self.liby_files = [self.tmpfile('liby', Obj(f)) for f in ['j', 'k', 'l']] + [self.tmpfile('liby', Lib('z'))]
self.touch(self.libx_files + self.liby_files)
with open(self.tmpfile('libx', Lib('x') + config.LIBS_DESC_SUFFIX), 'w') as f:
f.write(str(generate(self.libx_files)))
with open(self.tmpfile('liby', Lib('y') + config.LIBS_DESC_SUFFIX), 'w') as f:
f.write(str(generate(self.liby_files + [self.tmpfile('libx', Lib('x'))])))
# Create various objects and libraries
self.arg_files = [self.tmpfile(f) for f in [Lib('a'), Obj('b'), Obj('c'), Lib('d'), Obj('e')]]
# We always give library names (LIB_PREFIX/SUFFIX), even for
# dynamic/import libraries
self.files = self.arg_files + [self.tmpfile(ImportLib('f'))]
self.arg_files += [self.tmpfile(Lib('f'))]
self.touch(self.files)
def assertRelEqual(self, args1, args2):
self.assertEqual(args1, [relativize(a) for a in args2])
class TestExpandArgs(TestExpandInit):
def test_expand(self):
'''Test library expansion'''
# Expanding arguments means libraries with a descriptor are expanded
# with the descriptor content, and import libraries are used when
# a library doesn't exist
args = ExpandArgs(['foo', '-bar'] + self.arg_files + [self.tmpfile('liby', Lib('y'))])
self.assertRelEqual(args, ['foo', '-bar'] + self.files + self.liby_files + self.libx_files)
# When a library exists at the same time as a descriptor, we just use
# the library
self.touch([self.tmpfile('libx', Lib('x'))])
args = ExpandArgs(['foo', '-bar'] + self.arg_files + [self.tmpfile('liby', Lib('y'))])
self.assertRelEqual(args, ['foo', '-bar'] + self.files + self.liby_files + [self.tmpfile('libx', Lib('x'))])
self.touch([self.tmpfile('liby', Lib('y'))])
args = ExpandArgs(['foo', '-bar'] + self.arg_files + [self.tmpfile('liby', Lib('y'))])
self.assertRelEqual(args, ['foo', '-bar'] + self.files + [self.tmpfile('liby', Lib('y'))])
class TestExpandLibsDeps(TestExpandInit):
def test_expandlibsdeps(self):
'''Test library expansion for dependencies'''
# Dependency list for a library with a descriptor is equivalent to
# the arguments expansion, to which we add each descriptor
args = self.arg_files + [self.tmpfile('liby', Lib('y'))]
self.assertRelEqual(ExpandLibsDeps(args), ExpandArgs(args) + [self.tmpfile('libx', Lib('x') + config.LIBS_DESC_SUFFIX), self.tmpfile('liby', Lib('y') + config.LIBS_DESC_SUFFIX)])
# When a library exists at the same time as a descriptor, the
# descriptor is not a dependency
self.touch([self.tmpfile('libx', Lib('x'))])
args = self.arg_files + [self.tmpfile('liby', Lib('y'))]
self.assertRelEqual(ExpandLibsDeps(args), ExpandArgs(args) + [self.tmpfile('liby', Lib('y') + config.LIBS_DESC_SUFFIX)])
self.touch([self.tmpfile('liby', Lib('y'))])
args = self.arg_files + [self.tmpfile('liby', Lib('y'))]
self.assertRelEqual(ExpandLibsDeps(args), ExpandArgs(args))
class TestExpandArgsMore(TestExpandInit):
def test_makelist(self):
'''Test grouping object files in lists'''
# ExpandArgsMore does the same as ExpandArgs
with ExpandArgsMore(['foo', '-bar'] + self.arg_files + [self.tmpfile('liby', Lib('y'))]) as args:
self.assertRelEqual(args, ['foo', '-bar'] + self.files + self.liby_files + self.libx_files)
# But also has an extra method replacing object files with a list
args.makelist()
# self.files has objects at #1, #2, #4
self.assertRelEqual(args[:3], ['foo', '-bar'] + self.files[:1])
self.assertRelEqual(args[4:], [self.files[3]] + self.files[5:] + [self.tmpfile('liby', Lib('z'))])
# Check the list file content
objs = [f for f in self.files + self.liby_files + self.libx_files if f.endswith(config.OBJ_SUFFIX)]
if config.EXPAND_LIBS_LIST_STYLE == "linkerscript":
self.assertNotEqual(args[3][0], '@')
filename = args[3]
content = ['INPUT("{0}")'.format(relativize(f)) for f in objs]
with open(filename, 'r') as f:
self.assertEqual([l.strip() for l in f.readlines() if len(l.strip())], content)
elif config.EXPAND_LIBS_LIST_STYLE == "list":
self.assertEqual(args[3][0], '@')
filename = args[3][1:]
content = objs
with open(filename, 'r') as f:
self.assertRelEqual([l.strip() for l in f.readlines() if len(l.strip())], content)
tmp = args.tmp
# Check that all temporary files are properly removed
self.assertEqual(True, all([not os.path.exists(f) for f in tmp]))
def test_extract(self):
'''Test library extraction'''
# Divert subprocess.call
subprocess_call = subprocess.call
extracted = {}
def call(args, **kargs):
if config.AR == 'lib':
self.assertEqual(args[:2], [config.AR, '-NOLOGO'])
self.assertTrue(args[2].startswith('-EXTRACT:'))
extract = [args[2][len('-EXTRACT:'):]]
self.assertTrue(extract)
args = args[3:]
else:
# The command called is always AR_EXTRACT
ar_extract = config.AR_EXTRACT.split()
self.assertEqual(args[:len(ar_extract)], ar_extract)
args = args[len(ar_extract):]
# Remaining argument is always one library
self.assertEqual(len(args), 1)
arg = args[0]
self.assertEqual(os.path.splitext(arg)[1], config.LIB_SUFFIX)
# Simulate file extraction
lib = os.path.splitext(os.path.basename(arg))[0]
if config.AR != 'lib':
extract = [lib, lib + '2']
extract = [os.path.join(kargs['cwd'], f) for f in extract]
if config.AR != 'lib':
extract = [Obj(f) for f in extract]
if not lib in extracted:
extracted[lib] = []
extracted[lib].extend(extract)
self.touch(extract)
subprocess.call = call
def check_output(args, **kargs):
# The command called is always AR
ar = config.AR
self.assertEqual(args[0:3], [ar, '-NOLOGO', '-LIST'])
# Remaining argument is always one library
self.assertRelEqual([os.path.splitext(arg)[1] for arg in args[3:]],
[config.LIB_SUFFIX])
# Simulate LIB -NOLOGO -LIST
lib = os.path.splitext(os.path.basename(args[3]))[0]
return '%s\n%s\n' % (Obj(lib), Obj(lib + '2'))
subprocess.check_output = check_output
# ExpandArgsMore does the same as ExpandArgs
self.touch([self.tmpfile('liby', Lib('y'))])
with ExpandArgsMore(['foo', '-bar'] + self.arg_files + [self.tmpfile('liby', Lib('y'))]) as args:
self.assertRelEqual(args, ['foo', '-bar'] + self.files + [self.tmpfile('liby', Lib('y'))])
# ExpandArgsMore also has an extra method extracting static libraries
# when possible
args.extract()
files = self.files + self.liby_files + self.libx_files
# With AR_EXTRACT, it uses the descriptors when there are, and
# actually
# extracts the remaining libraries
extracted_args = []
for f in files:
if f.endswith(config.LIB_SUFFIX):
extracted_args.extend(sorted(extracted[os.path.splitext(os.path.basename(f))[0]]))
else:
extracted_args.append(f)
self.assertRelEqual(args, ['foo', '-bar'] + extracted_args)
tmp = args.tmp
# Check that all temporary files are properly removed
self.assertEqual(True, all([not os.path.exists(f) for f in tmp]))
# Restore subprocess.call
subprocess.call = subprocess_call
class FakeProcess(object):
def __init__(self, out, err = ''):
self.out = out
self.err = err
def communicate(self):
return (self.out, self.err)
OBJDUMPS = {
'foo.o': '''
00000000 g F .text\t00000001 foo
00000000 g F .text._Z6foobarv\t00000001 _Z6foobarv
00000000 g F .text.hello\t00000001 hello
00000000 g F .text._ZThn4_6foobarv\t00000001 _ZThn4_6foobarv
''',
'bar.o': '''
00000000 g F .text.hi\t00000001 hi
00000000 g F .text.hot._Z6barbazv\t00000001 .hidden _Z6barbazv
''',
}
PRINT_ICF = '''
ld: ICF folding section '.text.hello' in file 'foo.o'into '.text.hi' in file 'bar.o'
ld: ICF folding section '.foo' in file 'foo.o'into '.foo' in file 'bar.o'
'''
class SubprocessPopen(object):
def __init__(self, test):
self.test = test
def __call__(self, args, stdout = None, stderr = None):
self.test.assertEqual(stdout, subprocess.PIPE)
self.test.assertEqual(stderr, subprocess.PIPE)
if args[0] == 'objdump':
self.test.assertEqual(args[1], '-t')
self.test.assertTrue(args[2] in OBJDUMPS)
return FakeProcess(OBJDUMPS[args[2]])
else:
return FakeProcess('', PRINT_ICF)
class TestSectionFinder(unittest.TestCase):
def test_getSections(self):
'''Test SectionFinder'''
# Divert subprocess.Popen
subprocess_popen = subprocess.Popen
subprocess.Popen = SubprocessPopen(self)
config.EXPAND_LIBS_ORDER_STYLE = 'linkerscript'
config.OBJ_SUFFIX = '.o'
config.LIB_SUFFIX = '.a'
finder = SectionFinder(['foo.o', 'bar.o'])
self.assertEqual(finder.getSections('foobar'), [])
self.assertEqual(finder.getSections('_Z6barbazv'), ['.text.hot._Z6barbazv'])
self.assertEqual(finder.getSections('_Z6foobarv'), ['.text._Z6foobarv', '.text._ZThn4_6foobarv'])
self.assertEqual(finder.getSections('_ZThn4_6foobarv'), ['.text._Z6foobarv', '.text._ZThn4_6foobarv'])
subprocess.Popen = subprocess_popen
class TestSymbolOrder(unittest.TestCase):
def test_getOrderedSections(self):
'''Test ExpandMoreArgs' _getOrderedSections'''
# Divert subprocess.Popen
subprocess_popen = subprocess.Popen
subprocess.Popen = SubprocessPopen(self)
config.EXPAND_LIBS_ORDER_STYLE = 'linkerscript'
config.OBJ_SUFFIX = '.o'
config.LIB_SUFFIX = '.a'
config.LD_PRINT_ICF_SECTIONS = ''
args = ExpandArgsMore(['foo', '-bar', 'bar.o', 'foo.o'])
self.assertEqual(args._getOrderedSections(['_Z6foobarv', '_Z6barbazv']), ['.text._Z6foobarv', '.text._ZThn4_6foobarv', '.text.hot._Z6barbazv'])
self.assertEqual(args._getOrderedSections(['_ZThn4_6foobarv', '_Z6barbazv']), ['.text._Z6foobarv', '.text._ZThn4_6foobarv', '.text.hot._Z6barbazv'])
subprocess.Popen = subprocess_popen
def test_getFoldedSections(self):
'''Test ExpandMoreArgs' _getFoldedSections'''
# Divert subprocess.Popen
subprocess_popen = subprocess.Popen
subprocess.Popen = SubprocessPopen(self)
config.LD_PRINT_ICF_SECTIONS = '-Wl,--print-icf-sections'
args = ExpandArgsMore(['foo', '-bar', 'bar.o', 'foo.o'])
self.assertEqual(args._getFoldedSections(), {'.text.hello': ['.text.hi'], '.text.hi': ['.text.hello']})
subprocess.Popen = subprocess_popen
def test_getOrderedSectionsWithICF(self):
'''Test ExpandMoreArgs' _getOrderedSections, with ICF'''
# Divert subprocess.Popen
subprocess_popen = subprocess.Popen
subprocess.Popen = SubprocessPopen(self)
config.EXPAND_LIBS_ORDER_STYLE = 'linkerscript'
config.OBJ_SUFFIX = '.o'
config.LIB_SUFFIX = '.a'
config.LD_PRINT_ICF_SECTIONS = '-Wl,--print-icf-sections'
args = ExpandArgsMore(['foo', '-bar', 'bar.o', 'foo.o'])
self.assertEqual(args._getOrderedSections(['hello', '_Z6barbazv']), ['.text.hello', '.text.hi', '.text.hot._Z6barbazv'])
self.assertEqual(args._getOrderedSections(['_ZThn4_6foobarv', 'hi', '_Z6barbazv']), ['.text._Z6foobarv', '.text._ZThn4_6foobarv', '.text.hi', '.text.hello', '.text.hot._Z6barbazv'])
subprocess.Popen = subprocess_popen
if __name__ == '__main__':
mozunit.main()