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[3.12] Add more C API tests (GH-112522) #112525

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Merged
merged 1 commit into from
Nov 29, 2023
Merged

[3.12] Add more C API tests (GH-112522) #112525

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86 changes: 86 additions & 0 deletions Lib/test/test_capi/test_abstract.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,30 @@

NULL = None

class StrSubclass(str):
pass

class BytesSubclass(bytes):
pass

class WithStr:
def __init__(self, value):
self.value = value
def __str__(self):
return self.value

class WithRepr:
def __init__(self, value):
self.value = value
def __repr__(self):
return self.value

class WithBytes:
def __init__(self, value):
self.value = value
def __bytes__(self):
return self.value

class TestObject:
@property
def evil(self):
Expand Down Expand Up @@ -44,6 +68,68 @@ def gen():


class CAPITest(unittest.TestCase):
def assertTypedEqual(self, actual, expected):
self.assertIs(type(actual), type(expected))
self.assertEqual(actual, expected)

def test_object_str(self):
# Test PyObject_Str()
object_str = _testcapi.object_str
self.assertTypedEqual(object_str(''), '')
self.assertTypedEqual(object_str('abc'), 'abc')
self.assertTypedEqual(object_str('\U0001f40d'), '\U0001f40d')
self.assertTypedEqual(object_str(StrSubclass('abc')), 'abc')
self.assertTypedEqual(object_str(WithStr('abc')), 'abc')
self.assertTypedEqual(object_str(WithStr(StrSubclass('abc'))), StrSubclass('abc'))
self.assertTypedEqual(object_str(WithRepr('<abc>')), '<abc>')
self.assertTypedEqual(object_str(WithRepr(StrSubclass('<abc>'))), StrSubclass('<abc>'))
self.assertTypedEqual(object_str(NULL), '<NULL>')

def test_object_repr(self):
# Test PyObject_Repr()
object_repr = _testcapi.object_repr
self.assertTypedEqual(object_repr(''), "''")
self.assertTypedEqual(object_repr('abc'), "'abc'")
self.assertTypedEqual(object_repr('\U0001f40d'), "'\U0001f40d'")
self.assertTypedEqual(object_repr(StrSubclass('abc')), "'abc'")
self.assertTypedEqual(object_repr(WithRepr('<abc>')), '<abc>')
self.assertTypedEqual(object_repr(WithRepr(StrSubclass('<abc>'))), StrSubclass('<abc>'))
self.assertTypedEqual(object_repr(WithRepr('<\U0001f40d>')), '<\U0001f40d>')
self.assertTypedEqual(object_repr(WithRepr(StrSubclass('<\U0001f40d>'))), StrSubclass('<\U0001f40d>'))
self.assertTypedEqual(object_repr(NULL), '<NULL>')

def test_object_ascii(self):
# Test PyObject_ASCII()
object_ascii = _testcapi.object_ascii
self.assertTypedEqual(object_ascii(''), "''")
self.assertTypedEqual(object_ascii('abc'), "'abc'")
self.assertTypedEqual(object_ascii('\U0001f40d'), r"'\U0001f40d'")
self.assertTypedEqual(object_ascii(StrSubclass('abc')), "'abc'")
self.assertTypedEqual(object_ascii(WithRepr('<abc>')), '<abc>')
self.assertTypedEqual(object_ascii(WithRepr(StrSubclass('<abc>'))), StrSubclass('<abc>'))
self.assertTypedEqual(object_ascii(WithRepr('<\U0001f40d>')), r'<\U0001f40d>')
self.assertTypedEqual(object_ascii(WithRepr(StrSubclass('<\U0001f40d>'))), r'<\U0001f40d>')
self.assertTypedEqual(object_ascii(NULL), '<NULL>')

def test_object_bytes(self):
# Test PyObject_Bytes()
object_bytes = _testcapi.object_bytes
self.assertTypedEqual(object_bytes(b''), b'')
self.assertTypedEqual(object_bytes(b'abc'), b'abc')
self.assertTypedEqual(object_bytes(BytesSubclass(b'abc')), b'abc')
self.assertTypedEqual(object_bytes(WithBytes(b'abc')), b'abc')
self.assertTypedEqual(object_bytes(WithBytes(BytesSubclass(b'abc'))), BytesSubclass(b'abc'))
self.assertTypedEqual(object_bytes(bytearray(b'abc')), b'abc')
self.assertTypedEqual(object_bytes(memoryview(b'abc')), b'abc')
self.assertTypedEqual(object_bytes([97, 98, 99]), b'abc')
self.assertTypedEqual(object_bytes((97, 98, 99)), b'abc')
self.assertTypedEqual(object_bytes(iter([97, 98, 99])), b'abc')
self.assertRaises(TypeError, object_bytes, WithBytes(bytearray(b'abc')))
self.assertRaises(TypeError, object_bytes, WithBytes([97, 98, 99]))
self.assertRaises(TypeError, object_bytes, 3)
self.assertRaises(TypeError, object_bytes, 'abc')
self.assertRaises(TypeError, object_bytes, object())
self.assertTypedEqual(object_bytes(NULL), b'<NULL>')

def test_object_getattr(self):
xgetattr = _testcapi.object_getattr
Expand Down
33 changes: 33 additions & 0 deletions Modules/_testcapi/abstract.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,34 @@
#include "util.h"


static PyObject *
object_repr(PyObject *self, PyObject *arg)
{
NULLABLE(arg);
return PyObject_Repr(arg);
}

static PyObject *
object_ascii(PyObject *self, PyObject *arg)
{
NULLABLE(arg);
return PyObject_ASCII(arg);
}

static PyObject *
object_str(PyObject *self, PyObject *arg)
{
NULLABLE(arg);
return PyObject_Str(arg);
}

static PyObject *
object_bytes(PyObject *self, PyObject *arg)
{
NULLABLE(arg);
return PyObject_Bytes(arg);
}

static PyObject *
object_getattr(PyObject *self, PyObject *args)
{
Expand Down Expand Up @@ -459,6 +487,11 @@ sequence_tuple(PyObject *self, PyObject *obj)


static PyMethodDef test_methods[] = {
{"object_repr", object_repr, METH_O},
{"object_ascii", object_ascii, METH_O},
{"object_str", object_str, METH_O},
{"object_bytes", object_bytes, METH_O},

{"object_getattr", object_getattr, METH_VARARGS},
{"object_getattrstring", object_getattrstring, METH_VARARGS},
{"object_hasattr", object_hasattr, METH_VARARGS},
Expand Down