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import unittest
from Cython import Shadow
from Cython.Compiler import Options, CythonScope, PyrexTypes, Errors
class TestShadow(unittest.TestCase):
def test_all_types_in_shadow(self):
cython_scope = CythonScope.create_cython_scope(None)
# Not doing load_cythonscope at this stage because it requires a proper context and
# Errors.py to be set up
missing_types = []
for key in cython_scope.entries.keys():
if key.startswith('__') and key.endswith('__'):
continue
if key in ('PyTypeObject', 'PyObject_TypeCheck'):
# These are declared in Shadow.py for reasons that look to
# be an implementation detail, but it isn't our intention for
# users to access them from Pure Python mode.
continue
if not hasattr(Shadow, key):
missing_types.append(key)
self.assertEqual(missing_types, [])
def test_int_types_in_shadow(self):
missing_types = []
for int_name in Shadow.int_types:
for sign in ['', 'u', 's']:
name = sign + int_name
if sign and (
int_name in ['Py_UNICODE', 'Py_UCS4', 'Py_ssize_t',
'ssize_t', 'ptrdiff_t', 'Py_hash_t'] or
name == "usize_t"):
# size_t is special-cased here a little since ssize_t legitimate
# but usize_t isn't
self.assertNotIn(name, dir(Shadow))
self.assertNotIn('p_' + name, dir(Shadow))
continue
if not hasattr(Shadow, name):
missing_types.append(name)
for ptr in range(1, 4):
ptr_name = 'p' * ptr + '_' + name
if not hasattr(Shadow, ptr_name):
missing_types.append(ptr_name)
self.assertEqual(missing_types, [])
def test_most_types(self):
# TODO it's unfortunately hard to get a definite list of types to confirm that they're
# present (because they're obtained by on-the-fly string parsing in `cython_scope.lookup_type`)
cython_scope = CythonScope.create_cython_scope(None)
# Set up just enough of "Context" and "Errors" that CythonScope.lookup_type can fail
class Context:
cpp = False
language_level = 3
future_directives = []
cython_scope.context = Context
Errors.init_thread()
missing_types = []
missing_lookups = []
for (signed, longness, name), type_ in PyrexTypes.modifiers_and_name_to_type.items():
if name == 'object':
continue # This probably shouldn't be in Shadow
if not hasattr(Shadow, name):
missing_types.append(name)
if not cython_scope.lookup_type(name):
missing_lookups.append(name)
for ptr in range(1, 4):
ptr_name = 'p' * ptr + '_' + name
if not hasattr(Shadow, ptr_name):
missing_types.append(ptr_name)
if not cython_scope.lookup_type(ptr_name):
missing_lookups.append(ptr_name)
self.assertEqual(missing_types, [])
self.assertEqual(missing_lookups, [])
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