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      1 """Tests for distutils.ccompiler."""
      2 import os
      3 import unittest
      4 from test.test_support import captured_stdout
      5 
      6 from distutils.ccompiler import (gen_lib_options, CCompiler,
      7                                  get_default_compiler)
      8 from distutils.sysconfig import customize_compiler
      9 from distutils import debug
     10 from distutils.tests import support
     11 
     12 class FakeCompiler(object):
     13     def library_dir_option(self, dir):
     14         return "-L" + dir
     15 
     16     def runtime_library_dir_option(self, dir):
     17         return ["-cool", "-R" + dir]
     18 
     19     def find_library_file(self, dirs, lib, debug=0):
     20         return 'found'
     21 
     22     def library_option(self, lib):
     23         return "-l" + lib
     24 
     25 class CCompilerTestCase(support.EnvironGuard, unittest.TestCase):
     26 
     27     def test_gen_lib_options(self):
     28         compiler = FakeCompiler()
     29         libdirs = ['lib1', 'lib2']
     30         runlibdirs = ['runlib1']
     31         libs = [os.path.join('dir', 'name'), 'name2']
     32 
     33         opts = gen_lib_options(compiler, libdirs, runlibdirs, libs)
     34         wanted = ['-Llib1', '-Llib2', '-cool', '-Rrunlib1', 'found',
     35                   '-lname2']
     36         self.assertEqual(opts, wanted)
     37 
     38     def test_debug_print(self):
     39 
     40         class MyCCompiler(CCompiler):
     41             executables = {}
     42 
     43         compiler = MyCCompiler()
     44         with captured_stdout() as stdout:
     45             compiler.debug_print('xxx')
     46         stdout.seek(0)
     47         self.assertEqual(stdout.read(), '')
     48 
     49         debug.DEBUG = True
     50         try:
     51             with captured_stdout() as stdout:
     52                 compiler.debug_print('xxx')
     53             stdout.seek(0)
     54             self.assertEqual(stdout.read(), 'xxx\n')
     55         finally:
     56             debug.DEBUG = False
     57 
     58     def test_customize_compiler(self):
     59 
     60         # not testing if default compiler is not unix
     61         if get_default_compiler() != 'unix':
     62             return
     63 
     64         os.environ['AR'] = 'my_ar'
     65         os.environ['ARFLAGS'] = '-arflags'
     66 
     67         # make sure AR gets caught
     68         class compiler:
     69             compiler_type = 'unix'
     70 
     71             def set_executables(self, **kw):
     72                 self.exes = kw
     73 
     74         comp = compiler()
     75         customize_compiler(comp)
     76         self.assertEqual(comp.exes['archiver'], 'my_ar -arflags')
     77 
     78 def test_suite():
     79     return unittest.makeSuite(CCompilerTestCase)
     80 
     81 if __name__ == "__main__":
     82     unittest.main(defaultTest="test_suite")
     83