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#
# __COPYRIGHT__
#
# 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.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import os
import re
import string
import StringIO
import sys
from types import *
import unittest
import TestCmd
sys.stdout = StringIO.StringIO()
if sys.platform == 'win32':
existing_lib = "msvcrt"
else:
existing_lib = "m"
class SConfTestCase(unittest.TestCase):
def setUp(self):
# we always want to start with a clean directory
self.test = TestCmd.TestCmd(workdir = '')
def tearDown(self):
self.test.cleanup()
def _resetSConfState(self):
# Ok, this is tricky, and i do not know, if everything is sane.
# We try to reset scons' state (including all global variables)
import SCons.SConsign
SCons.SConsign.write() # simulate normal scons-finish
for n in sys.modules.keys():
if string.split(n, '.')[0] == 'SCons':
m = sys.modules[n]
if type(m) is ModuleType:
# if this is really a scons module, clear its namespace
del sys.modules[n]
m.__dict__.clear()
# we only use SCons.Environment and SCons.SConf for these tests.
import SCons.Environment
import SCons.SConf
self.Environment = SCons.Environment
self.SConf = SCons.SConf
# and we need a new environment, cause references may point to
# old modules (well, at least this is safe ...)
self.scons_env = self.Environment.Environment()
self.scons_env.AppendENVPath('PATH', os.environ['PATH'])
# we want to do some autodetection here
# this stuff works with
# - cygwin on win32 (using cmd.exe, not bash)
# - posix
# - msvc on win32 (hopefully)
if (not self.scons_env.Detect( self.scons_env.subst('$CXX') ) or
not self.scons_env.Detect( self.scons_env.subst('$CC') ) or
not self.scons_env.Detect( self.scons_env.subst('$LINK') )):
raise Exception, "This test needs an installed compiler!"
if self.scons_env['CXX'] == 'g++':
global existing_lib
existing_lib = 'm'
def _baseTryXXX(self, TryFunc):
# TryCompile and TryLink are much the same, so we can test them
# in one method, we pass the function as a string ('TryCompile',
# 'TryLink'), so we are aware of reloading modules.
def checks(self, sconf, TryFuncString):
TryFunc = self.SConf.SConf.__dict__[TryFuncString]
res1 = TryFunc( sconf, "int main() { return 0; }", ".c" )
res2 = TryFunc( sconf,
'#include "no_std_header.h"\nint main() {return 0; }',
'.c' )
return (res1,res2)
# 1. test initial behaviour (check ok / failed)
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
res = checks( self, sconf, TryFunc )
assert res[0] and not res[1]
finally:
sconf.Finish()
# 2.1 test the error caching mechanism (no dependencies have changed)
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
res = checks( self, sconf, TryFunc )
assert res[0] and not res[1]
finally:
sconf.Finish()
# we should have exactly one one error cached
log = self.test.read( self.test.workpath('config.log') )
expr = re.compile( ".*failed in a previous run and all", re.DOTALL )
firstOcc = expr.match( log )
assert firstOcc != None
secondOcc = expr.match( log, firstOcc.end(0) )
assert secondOcc == None
# 2.2 test the error caching mechanism (dependencies have changed)
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
test_h = self.test.write( self.test.workpath('config.tests', 'no_std_header.h'),
"/* we are changing a dependency now */" );
try:
res = checks( self, sconf, TryFunc )
log = self.test.read( self.test.workpath('config.log') )
assert res[0] and res[1]
finally:
sconf.Finish()
def test_TryBuild(self):
"""Test SConf.TryBuild
"""
# 1 test that we can try a builder that returns a list of nodes
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
class MyBuilder:
def __init__(self):
self.prefix = ''
self.suffix = ''
def __call__(self, env, target, source):
class MyNode:
def __init__(self, name):
self.name = name
self.state = None
self.side_effects = []
self.builder = None
def has_builder(self):
return 1
def add_pre_action(self, *actions):
pass
def add_post_action(self, *actions):
pass
def children(self):
return []
def get_state(self):
return self.state
def set_state(self, state):
self.state = state
def alter_targets(self):
return [], None
def depends_on(self, nodes):
return None
def postprocess(self):
pass
def clear(self):
pass
def current(self, calc=None):
return None
def prepare(self):
pass
def retrieve_from_cache(self):
return 0
def build(self, **kw):
return
def built(self):
pass
def get_stored_info(self):
pass
def calc_signature(self, calc):
pass
return [MyNode('n1'), MyNode('n2')]
try:
self.scons_env.Append(BUILDERS = {'SConfActionBuilder' : MyBuilder()})
sconf.TryBuild(self.scons_env.SConfActionBuilder)
finally:
sconf.Finish()
def test_TryCompile(self):
"""Test SConf.TryCompile
"""
self._baseTryXXX( "TryCompile" ) #self.SConf.SConf.TryCompile )
def test_TryLink(self):
"""Test SConf.TryLink
"""
self._baseTryXXX( "TryLink" ) #self.SConf.SConf.TryLink )
def test_TryRun(self):
"""Test SConf.TryRun
"""
def checks(sconf):
prog = """
#include <stdio.h>
int main() {
printf( "Hello" );
return 0;
}
"""
res1 = sconf.TryRun( prog, ".c" )
res2 = sconf.TryRun( "not a c program", ".c" )
return (res1, res2)
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
res = checks(sconf)
assert res[0][0] and res[0][1] == "Hello"
assert not res[1][0] and res[1][1] == ""
finally:
sconf.Finish()
# test the caching mechanism
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
res = checks(sconf)
assert res[0][0] and res[0][1] == "Hello"
assert not res[1][0] and res[1][1] == ""
finally:
sconf.Finish()
# we should have exactly one error cached
log = self.test.read( self.test.workpath('config.log') )
expr = re.compile( ".*failed in a previous run and all", re.DOTALL )
firstOcc = expr.match( log )
assert firstOcc != None
secondOcc = expr.match( log, firstOcc.end(0) )
assert secondOcc == None
def test_TryAction(self):
"""Test SConf.TryAction
"""
def actionOK(target, source, env):
open(str(target[0]), "w").write( "RUN OK" )
return None
def actionFAIL(target, source, env):
return 1
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
(ret, output) = sconf.TryAction(action=actionOK)
assert ret and output == "RUN OK"
(ret, output) = sconf.TryAction(action=actionFAIL)
assert not ret and output == ""
finally:
sconf.Finish()
def test_CheckHeader(self):
"""Test SConf.CheckHeader()
"""
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
# CheckHeader()
r = sconf.CheckHeader( "stdio.h", include_quotes="<>", language="C" )
assert r, "did not find stdio.h"
r = sconf.CheckHeader( "HopefullyNoHeader.noh", language="C" )
assert not r, "unexpectedly found HopefullyNoHeader.noh"
r = sconf.CheckHeader( "vector", include_quotes="<>", language="C++" )
assert r, "did not find vector"
r = sconf.CheckHeader( "HopefullyNoHeader.noh", language="C++" )
assert not r, "unexpectedly found HopefullyNoHeader.noh"
finally:
sconf.Finish()
def test_CheckCHeader(self):
"""Test SConf.CheckCHeader()
"""
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
# CheckCHeader()
r = sconf.CheckCHeader( "stdio.h", include_quotes="<>" )
assert r, "did not find stdio.h"
r = sconf.CheckCHeader( ["math.h", "stdio.h"], include_quotes="<>" )
assert r, "did not find stdio.h, #include math.h first"
r = sconf.CheckCHeader( "HopefullyNoCHeader.noh" )
assert not r, "unexpectedly found HopefullyNoCHeader.noh"
finally:
sconf.Finish()
def test_CheckCXXHeader(self):
"""Test SConf.CheckCXXHeader()
"""
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
# CheckCXXHeader()
r = sconf.CheckCXXHeader( "vector", include_quotes="<>" )
assert r, "did not find vector"
r = sconf.CheckCXXHeader( ["stdio.h", "vector"], include_quotes="<>" )
assert r, "did not find vector, #include stdio.h first"
r = sconf.CheckCXXHeader( "HopefullyNoCXXHeader.noh" )
assert not r, "unexpectedly found HopefullyNoCXXHeader.noh"
finally:
sconf.Finish()
def test_CheckLib(self):
"""Test SConf.CheckLib()
"""
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
# CheckLib()
r = sconf.CheckLib( existing_lib, "main", autoadd=0 )
assert r, "did not find %s" % existing_lib
r = sconf.CheckLib( "hopefullynolib", "main", autoadd=0 )
assert not r, "unexpectedly found hopefullynolib"
# CheckLib() with list of libs
r = sconf.CheckLib( [existing_lib], "main", autoadd=0 )
assert r, "did not find %s" % existing_lib
r = sconf.CheckLib( ["hopefullynolib"], "main", autoadd=0 )
assert not r, "unexpectedly found hopefullynolib"
# This is a check that a null list doesn't find functions
# that are in libraries that must be explicitly named.
# This works on POSIX systems where you have to -lm to
# get the math functions, but it fails on Visual Studio
# where you apparently get all those functions for free.
# Comment out this check until someone who understands
# Visual Studio better can come up with a corresponding
# test (if that ever really becomes necessary).
#r = sconf.CheckLib( [], "sin", autoadd=0 )
#assert not r, "unexpectedly found nonexistent library"
r = sconf.CheckLib( [existing_lib,"hopefullynolib"], "main", autoadd=0 )
assert r, "did not find %s,%s " % (existing_lib,r)
r = sconf.CheckLib( ["hopefullynolib",existing_lib], "main", autoadd=0 )
assert r, "did not find %s " % existing_lib
# CheckLib() with autoadd
def libs(env):
return env.get('LIBS', [])
env = sconf.env.Copy()
try:
r = sconf.CheckLib( existing_lib, "main", autoadd=1 )
assert r, "did not find main in %s" % existing_lib
expect = libs(env) + [existing_lib]
got = libs(sconf.env)
assert got == expect, "LIBS: expected %s, got %s" % (expect, got)
sconf.env = env.Copy()
r = sconf.CheckLib( existing_lib, "main", autoadd=0 )
assert r, "did not find main in %s" % existing_lib
expect = libs(env)
got = libs(sconf.env)
assert got == expect, "before and after LIBS were not the same"
finally:
sconf.env = env
finally:
sconf.Finish()
def test_CheckLibWithHeader(self):
"""Test SConf.CheckLibWithHeader()
"""
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
# CheckLibWithHeader()
r = sconf.CheckLibWithHeader( existing_lib, "math.h", "C", autoadd=0 )
assert r, "did not find %s" % existing_lib
r = sconf.CheckLibWithHeader( existing_lib, ["stdio.h", "math.h"], "C", autoadd=0 )
assert r, "did not find %s, #include stdio.h first" % existing_lib
r = sconf.CheckLibWithHeader( "hopefullynolib", "math.h", "C", autoadd=0 )
assert not r, "unexpectedly found hopefullynolib"
# CheckLibWithHeader() with lists of libs
r = sconf.CheckLibWithHeader( [existing_lib], "math.h", "C", autoadd=0 )
assert r, "did not find %s" % existing_lib
r = sconf.CheckLibWithHeader( [existing_lib], ["stdio.h", "math.h"], "C", autoadd=0 )
assert r, "did not find %s, #include stdio.h first" % existing_lib
# This is a check that a null list doesn't find functions
# that are in libraries that must be explicitly named.
# This works on POSIX systems where you have to -lm to
# get the math functions, but it fails on Visual Studio
# where you apparently get all those functions for free.
# Comment out this check until someone who understands
# Visual Studio better can come up with a corresponding
# test (if that ever really becomes necessary).
#r = sconf.CheckLibWithHeader( [], "math.h", "C", call="sin(3);", autoadd=0 )
#assert not r, "unexpectedly found non-existent library"
r = sconf.CheckLibWithHeader( ["hopefullynolib"], "math.h", "C", autoadd=0 )
assert not r, "unexpectedly found hopefullynolib"
r = sconf.CheckLibWithHeader( ["hopefullynolib",existing_lib], ["stdio.h", "math.h"], "C", autoadd=0 )
assert r, "did not find %s, #include stdio.h first" % existing_lib
r = sconf.CheckLibWithHeader( [existing_lib,"hopefullynolib"], ["stdio.h", "math.h"], "C", autoadd=0 )
assert r, "did not find %s, #include stdio.h first" % existing_lib
# CheckLibWithHeader with autoadd
def libs(env):
return env.get('LIBS', [])
env = sconf.env.Copy()
try:
r = sconf.CheckLibWithHeader( existing_lib, "math.h", "C", autoadd=1 )
assert r, "did not find math.h with %s" % existing_lib
expect = libs(env) + [existing_lib]
got = libs(sconf.env)
assert got == expect, "LIBS: expected %s, got %s" % (expect, got)
sconf.env = env.Copy()
r = sconf.CheckLibWithHeader( existing_lib, "math.h", "C", autoadd=0 )
assert r, "did not find math.h with %s" % existing_lib
expect = libs(env)
got = libs(sconf.env)
assert got == expect, "before and after LIBS were not the same"
finally:
sconf.env = env
finally:
sconf.Finish()
def test_CheckFunc(self):
"""Test SConf.CheckFunc()
"""
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
# CheckFunc()
r = sconf.CheckFunc('strcpy')
assert r, "did not find strcpy"
r = sconf.CheckFunc('strcpy', '/* header */ char strcpy();')
assert r, "did not find strcpy"
r = sconf.CheckFunc('hopefullynofunction')
assert not r, "unexpectedly found hopefullynofunction"
finally:
sconf.Finish()
def test_(self):
"""Test SConf.CheckType()
"""
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
# CheckType()
r = sconf.CheckType('off_t', '#include <sys/types.h>\n')
assert r, "did not find off_t"
r = sconf.CheckType('hopefullynotypedef_not')
assert not r, "unexpectedly found hopefullynotypedef_not"
finally:
sconf.Finish()
def test_CustomChecks(self):
"""Test Custom Checks
"""
def CheckCustom(test):
test.Message( "Checking UserTest ... " )
prog = """
#include <stdio.h>
int main() {
printf( "Hello" );
return 0;
}
"""
(ret, output) = test.TryRun( prog, ".c" )
test.Result( ret )
assert ret and output == "Hello"
return ret
self._resetSConfState()
sconf = self.SConf.SConf(self.scons_env,
custom_tests={'CheckCustom': CheckCustom},
conf_dir=self.test.workpath('config.tests'),
log_file=self.test.workpath('config.log'))
try:
ret = sconf.CheckCustom()
assert ret
finally:
sconf.Finish()
if __name__ == "__main__":
suite = unittest.makeSuite(SConfTestCase, 'test_')
res = unittest.TextTestRunner().run(suite)
if not res.wasSuccessful():
sys.exit(1)
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