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import py, os, sys, shutil
import imp
import subprocess
from testing.udir import udir
def create_venv(name):
tmpdir = udir.join(name)
try:
subprocess.check_call(['virtualenv', '--distribute',
'-p', os.path.abspath(sys.executable),
str(tmpdir)])
except OSError as e:
py.test.skip("Cannot execute virtualenv: %s" % (e,))
site_packages = None
for dirpath, dirnames, filenames in os.walk(str(tmpdir)):
if os.path.basename(dirpath) == 'site-packages':
site_packages = dirpath
break
if site_packages:
try:
from cffi import _pycparser
modules = ('cffi', '_cffi_backend')
except ImportError:
modules = ('cffi', '_cffi_backend', 'pycparser')
try:
import ply
except ImportError:
pass
else:
modules += ('ply',) # needed for older versions of pycparser
for module in modules:
target = imp.find_module(module)[1]
os.symlink(target, os.path.join(site_packages,
os.path.basename(target)))
return tmpdir
SNIPPET_DIR = py.path.local(__file__).join('..', 'snippets')
def really_run_setup_and_program(dirname, venv_dir, python_snippet):
def remove(dir):
dir = str(SNIPPET_DIR.join(dirname, dir))
shutil.rmtree(dir, ignore_errors=True)
remove('build')
remove('__pycache__')
for basedir in os.listdir(str(SNIPPET_DIR.join(dirname))):
remove(os.path.join(basedir, '__pycache__'))
olddir = os.getcwd()
python_f = udir.join('x.py')
python_f.write(py.code.Source(python_snippet))
try:
os.chdir(str(SNIPPET_DIR.join(dirname)))
vp = str(venv_dir.join('bin/python'))
subprocess.check_call((vp, 'setup.py', 'clean'))
subprocess.check_call((vp, 'setup.py', 'install'))
subprocess.check_call((vp, str(python_f)))
finally:
os.chdir(olddir)
def run_setup_and_program(dirname, python_snippet):
venv_dir = create_venv(dirname + '-cpy')
really_run_setup_and_program(dirname, venv_dir, python_snippet)
#
sys._force_generic_engine_ = True
try:
venv_dir = create_venv(dirname + '-gen')
really_run_setup_and_program(dirname, venv_dir, python_snippet)
finally:
del sys._force_generic_engine_
# the two files lextab.py and yacctab.py are created by not-correctly-
# installed versions of pycparser.
assert not os.path.exists(str(SNIPPET_DIR.join(dirname, 'lextab.py')))
assert not os.path.exists(str(SNIPPET_DIR.join(dirname, 'yacctab.py')))
class TestZIntegration(object):
def teardown_class(self):
if udir.isdir():
udir.remove()
def test_infrastructure(self):
run_setup_and_program('infrastructure', '''
import snip_infrastructure
assert snip_infrastructure.func() == 42
''')
def test_distutils_module(self):
run_setup_and_program("distutils_module", '''
import snip_basic_verify
p = snip_basic_verify.C.getpwuid(0)
assert snip_basic_verify.ffi.string(p.pw_name) == b"root"
''')
def test_distutils_package_1(self):
run_setup_and_program("distutils_package_1", '''
import snip_basic_verify1
p = snip_basic_verify1.C.getpwuid(0)
assert snip_basic_verify1.ffi.string(p.pw_name) == b"root"
''')
def test_distutils_package_2(self):
run_setup_and_program("distutils_package_2", '''
import snip_basic_verify2
p = snip_basic_verify2.C.getpwuid(0)
assert snip_basic_verify2.ffi.string(p.pw_name) == b"root"
''')
def test_setuptools_module(self):
run_setup_and_program("setuptools_module", '''
import snip_setuptools_verify
p = snip_setuptools_verify.C.getpwuid(0)
assert snip_setuptools_verify.ffi.string(p.pw_name) == b"root"
''')
def test_setuptools_package_1(self):
run_setup_and_program("setuptools_package_1", '''
import snip_setuptools_verify1
p = snip_setuptools_verify1.C.getpwuid(0)
assert snip_setuptools_verify1.ffi.string(p.pw_name) == b"root"
''')
def test_setuptools_package_2(self):
run_setup_and_program("setuptools_package_2", '''
import snip_setuptools_verify2
p = snip_setuptools_verify2.C.getpwuid(0)
assert snip_setuptools_verify2.ffi.string(p.pw_name) == b"root"
''')
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