def test_function_pretty_signature():
"""Test building the pretty signature of a function.
"""
library = CLibrary(os.path.basename(_ctypes_test.__file__),
['ctypes_test.h'])
library.my_strdup.pretty_signature()
class TestCTypesCLibrary(object):
"""Test the ctypes wrapper functionality.
"""
def setup(self):
self.library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
def test_call(self):
point_cls = self.library('structs', 'tagpoint')
point_cls(x=1, y=2)
with raises(KeyError):
self.library('r', 't')
def test_getattr(self):
assert self.library.an_integer == 42
def test_getitem(self):
assert self.library['values']['an_integer'] == 42
def test_make_struct(self):
self.library.BITS
def test_function_call1(self):
# Test calling a function taking no arguments.
res = self.library.get_an_integer()
assert res() == 42
def test_function_call2(self):
# Test calling a function without pointers.
_, (res, ) = self.library.getSPAMANDEGGS()
egg = res[0] # we get a pointer of pointer.
# Needed because this is a byte array in python 3
assert egg.name.decode('utf8') == 'first egg'
assert egg.num_spams == 1
assert egg.spams[0].name.decode('utf8') == 'name1'
assert egg.spams[0].value.decode('utf8') == 'value1'
assert egg.spams[1].name.decode('utf8') == 'name2'
assert egg.spams[1].value.decode('utf8') == 'value2'
def test_function_call3(self):
# Test calling a function with an argument and a missing pointer.
arg = self.library.point(x=1, y=2)
res, (_, test_point) = self.library._testfunc_byval(arg)
assert res == 3
assert test_point.x == arg.x
assert test_point.y == arg.y
class TestCTypesCLibrary(object):
"""Test the ctypes wrapper functionality.
"""
def setup(self):
self.library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
def test_call(self):
point_cls = self.library('structs', 'tagpoint')
point_cls(x=1, y=2)
with raises(KeyError):
self.library('r', 't')
def test_getattr(self):
assert self.library.an_integer == 42
def test_getitem(self):
assert self.library['values']['an_integer'] == 42
def test_make_struct(self):
self.library.BITS
def test_function_call1(self):
# Test calling a function taking no arguments.
res = self.library.get_an_integer()
assert res() == 42
def test_function_call2(self):
# Test calling a function without pointers.
_, (res,) = self.library.getSPAMANDEGGS()
egg = res[0] # we get a pointer of pointer.
# Needed because this is a byte array in python 3
assert egg.name.decode('utf8') == 'first egg'
assert egg.num_spams == 1
assert egg.spams[0].name.decode('utf8') == 'name1'
assert egg.spams[0].value.decode('utf8') == 'value1'
assert egg.spams[1].name.decode('utf8') == 'name2'
assert egg.spams[1].value.decode('utf8') == 'value2'
def test_function_call3(self):
# Test calling a function with an argument and a missing pointer.
arg = self.library.point(x=1, y=2)
res, (_, test_point) = self.library._testfunc_byval(arg)
assert res == 3
assert test_point.x == arg.x
assert test_point.y == arg.y
def setup(self):
self.library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
class TestCTypesCLibrary(object):
"""Test the ctypes wrapper functionality.
"""
def setup(self):
self.library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
def test_call(self):
point_cls = self.library('structs', 'tagpoint')
point_cls(x=1, y=2)
with raises(KeyError):
self.library('r', 't')
def test_getattr(self):
assert self.library.an_integer == 42
def test_getitem(self):
assert self.library['values']['an_integer'] == 42
def test_make_struct(self):
self.library.BITS
def test_function_call1(self):
# Test calling a function taking no arguments.
res = self.library.get_an_integer()
assert res() == 42
def test_function_call2(self):
# Test calling a function without pointers.
_, (res, ) = self.library.getSPAMANDEGGS()
egg = res[0] # we get a pointer of pointer.
# Needed because this is a byte array in python 3
assert egg.name.decode('utf8') == 'first egg'
assert egg.num_spams == 1
assert egg.spams[0].name.decode('utf8') == 'name1'
assert egg.spams[0].value.decode('utf8') == 'value1'
assert egg.spams[1].name.decode('utf8') == 'name2'
assert egg.spams[1].value.decode('utf8') == 'value2'
def test_function_call3(self):
# Test calling a function with an argument and a missing pointer.
arg = self.library.point(x=1, y=2)
res, (_, test_point) = self.library._testfunc_byval(arg)
assert res == 3
assert test_point.x == arg.x
assert test_point.y == arg.y
def test_function_call4(self):
"""Test calling a funcùtion returning a string
Will fail if restype is not properly set.
"""
test_str = 'Test'.encode('utf-8')
copy = self.library.my_strdup(test_str)()
assert copy == test_str
assert copy is not test_str
def test_cast_to(self):
"""Test casting.
"""
a = 10
assert (cast_to(self.library, a, ctypes.c_void_p).value == ctypes.cast(
a, ctypes.c_void_p).value)
def test_build_array(self):
"""Test array building.
"""
pyc_array = build_array(self.library, ctypes.c_void_p, 2, [1, 2])
c_array = (ctypes.c_void_p * 2)(1, 2)
assert type(pyc_array) == type(c_array)
assert pyc_array[0] == c_array[0]
def setup(self):
path = os.path.join(os.path.dirname(__file__), 'test.pyclibcache')
parser = CParser(['ctypes_test.h'])
parser.write_cache(path)
self.library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'],
cache=path)
def setup(self):
self.library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
class TestCTypesCLibrary(object):
"""Test the ctypes wrapper functionality.
"""
def setup(self):
self.library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
def test_call(self):
point_cls = self.library('structs', 'tagpoint')
point_cls(x=1, y=2)
with raises(KeyError):
self.library('r', 't')
def test_getattr(self):
assert self.library.an_integer == 42
def test_getitem(self):
assert self.library['values']['an_integer'] == 42
def test_make_struct(self):
self.library.BITS
def test_function_call1(self):
# Test calling a function taking no arguments.
res = self.library.get_an_integer()
assert res() == 42
def test_function_call2(self):
# Test calling a function without pointers.
_, (res,) = self.library.getSPAMANDEGGS()
egg = res[0] # we get a pointer of pointer.
# Needed because this is a byte array in python 3
assert egg.name.decode('utf8') == 'first egg'
assert egg.num_spams == 1
assert egg.spams[0].name.decode('utf8') == 'name1'
assert egg.spams[0].value.decode('utf8') == 'value1'
assert egg.spams[1].name.decode('utf8') == 'name2'
assert egg.spams[1].value.decode('utf8') == 'value2'
def test_function_call3(self):
# Test calling a function with an argument and a missing pointer.
arg = self.library.point(x=1, y=2)
res, (_, test_point) = self.library._testfunc_byval(arg)
assert res == 3
assert test_point.x == arg.x
assert test_point.y == arg.y
def test_function_call4(self):
"""Test calling a funcùtion returning a string
Will fail if restype is not properly set.
"""
test_str = 'Test'.encode('utf-8')
copy = self.library.my_strdup(test_str)()
assert copy == test_str
assert copy is not test_str
def test_cast_to(self):
"""Test casting.
"""
a = 10
assert (cast_to(self.library, a, ctypes.c_void_p).value ==
ctypes.cast(a, ctypes.c_void_p).value)
def test_build_array(self):
"""Test array building.
"""
pyc_array = build_array(self.library, ctypes.c_void_p, 2, [1, 2])
c_array = (ctypes.c_void_p*2)(1, 2)
assert type(pyc_array) == type(c_array)
assert pyc_array[0] == c_array[0]
def test_already_opened_library(self):
lib = ctypes.CDLL(_ctypes_test.__file__)
library = CLibrary(lib, ['ctypes_test.h'])
assert library is CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
def test_accessing_library_by_object(self):
lib = ctypes.CDLL(_ctypes_test.__file__)
library = CLibrary(lib, ['ctypes_test.h'])
assert library._lib_ is lib
def test_accessing_library_by_path(self):
library = CLibrary(_ctypes_test.__file__, ['ctypes_test.h'])
assert library._lib_
def test_accessing_library_by_name(self, library_location_fixture):
library = CLibrary(os.path.basename(_ctypes_test.__file__),
['ctypes_test.h'])
assert library._lib_
