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"""Tests for distutils.ccompiler."""
import os
import unittest
from test.test_support import captured_stdout
from distutils.ccompiler import (gen_lib_options, CCompiler,
get_default_compiler)
from distutils.sysconfig import customize_compiler
from distutils import debug
from distutils.tests import support
class FakeCompiler(object):
def library_dir_option(self, dir):
return "-L" + dir
def runtime_library_dir_option(self, dir):
return ["-cool", "-R" + dir]
def find_library_file(self, dirs, lib, debug=0):
return 'found'
def library_option(self, lib):
return "-l" + lib
class CCompilerTestCase(support.EnvironGuard, unittest.TestCase):
def test_set_executables(self):
class MyCCompiler(CCompiler):
executables = {'compiler': '', 'compiler_cxx': '', 'linker': ''}
compiler = MyCCompiler()
# set executable as list
compiler.set_executables(compiler=['env', 'OMPI_MPICC=clang', 'mpicc'])
self.assertEqual(compiler.compiler, ['env',
'OMPI_MPICC=clang',
'mpicc'])
# set executable as string
compiler.set_executables(compiler_cxx='env OMPI_MPICXX=clang++ mpicxx')
self.assertEqual(compiler.compiler_cxx, ['env',
'OMPI_MPICXX=clang++',
'mpicxx'])
# set executable as unicode string
compiler.set_executables(linker=u'env OMPI_MPICXX=clang++ mpiCC')
self.assertEqual(compiler.linker, [u'env',
u'OMPI_MPICXX=clang++',
u'mpiCC'])
def test_gen_lib_options(self):
compiler = FakeCompiler()
libdirs = ['lib1', 'lib2']
runlibdirs = ['runlib1']
libs = [os.path.join('dir', 'name'), 'name2']
opts = gen_lib_options(compiler, libdirs, runlibdirs, libs)
wanted = ['-Llib1', '-Llib2', '-cool', '-Rrunlib1', 'found',
'-lname2']
self.assertEqual(opts, wanted)
def test_debug_print(self):
class MyCCompiler(CCompiler):
executables = {}
compiler = MyCCompiler()
with captured_stdout() as stdout:
compiler.debug_print('xxx')
stdout.seek(0)
self.assertEqual(stdout.read(), '')
debug.DEBUG = True
try:
with captured_stdout() as stdout:
compiler.debug_print('xxx')
stdout.seek(0)
self.assertEqual(stdout.read(), 'xxx\n')
finally:
debug.DEBUG = False
@unittest.skipUnless(get_default_compiler() == 'unix',
'not testing if default compiler is not unix')
def test_customize_compiler(self):
os.environ['AR'] = 'my_ar'
os.environ['ARFLAGS'] = '-arflags'
# make sure AR gets caught
class compiler:
compiler_type = 'unix'
def set_executables(self, **kw):
self.exes = kw
comp = compiler()
customize_compiler(comp)
self.assertEqual(comp.exes['archiver'], 'my_ar -arflags')
def test_suite():
return unittest.makeSuite(CCompilerTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")
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