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import unittest
import os
import sys
from distutils.cygwinccompiler import Mingw32CCompiler
from distutils.unixccompiler import UnixCCompiler
from distutils.msvccompiler import MSVCCompiler
os.environ['GI_SCANNER_DISABLE_CACHE'] = '1'
path = os.getenv('UNINSTALLED_INTROSPECTION_SRCDIR', None)
assert path is not None
sys.path.insert(0, path)
from giscanner.ccompiler import CCompiler
class TestCompiler(unittest.TestCase):
def check_windows_default_compiler(self, compiler):
if os.environ.get('MSYSTEM') == 'MINGW32':
return isinstance(compiler.compiler, Mingw32CCompiler)
else:
return isinstance(compiler.compiler, MSVCCompiler)
def check_default_compiler(self, compiler, osname=None):
# If osname is defined and is not 'nt', we always return the default
# compiler given for the running platform. Otherwise, on Windows,
# we see for the presence of MSYSTEM == MINGW32 to see we create a
# Mingw32CCompiler or MSVCCompiler instance
if os.name == 'nt':
if osname is None or osname == os.name:
return self.check_windows_default_compiler(compiler)
else:
return isinstance(compiler.compiler, MSVCCompiler)
else:
return (isinstance(compiler.compiler, UnixCCompiler) and
not isinstance(compiler.compiler, Mingw32CCompiler))
def test_compiler_creation(self):
osname = 'nt'
# Test distutils compiler detection when forcing osname = 'nt'
compiler = CCompiler(osname=osname, environ={'MSYSTEM': 'MINGW32'})
self.assertTrue(isinstance(compiler.compiler, Mingw32CCompiler))
compiler = CCompiler(osname=osname, compiler_name='mingw32')
self.assertTrue(isinstance(compiler.compiler, Mingw32CCompiler))
compiler = CCompiler(osname=osname, compiler_name='msvc')
self.assertTrue(isinstance(compiler.compiler, MSVCCompiler))
with self.assertRaises(SystemExit):
CCompiler(osname=osname, compiler_name='bad_compiler_name')
if os.name == 'nt':
compiler = CCompiler(osname=osname)
self.assertTrue(self.check_windows_default_compiler(compiler))
else:
with self.assertRaises(SystemExit):
CCompiler(osname=osname, compiler_name='bad_compiler_name')
# Test distutils compiler detection when forcing osname != 'nt'
osname = 'posix'
compiler = CCompiler(osname=osname, environ={'MSYSTEM': 'MINGW32'})
self.assertTrue(self.check_default_compiler(compiler, osname))
compiler = CCompiler(osname=osname, compiler_name='mingw32')
self.assertTrue(self.check_default_compiler(compiler, osname))
compiler = CCompiler(osname=osname, compiler_name='msvc')
self.assertTrue(self.check_default_compiler(compiler, osname))
compiler = CCompiler(osname=osname, compiler_name='blah')
self.assertTrue(self.check_default_compiler(compiler, osname))
# Test default distutils compiler with ccompiler.py
compiler = CCompiler()
self.assertTrue(self.check_default_compiler(compiler))
if __name__ == '__main__':
unittest.main()
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