AIprojekt-wozek/venv/Lib/site-packages/pygame/tests/base_test.py
2022-03-10 19:45:28 +01:00

636 lines
22 KiB
Python

# -*- coding: utf8 -*-
import sys
import unittest
import platform
IS_PYPY = "PyPy" == platform.python_implementation()
try:
from pygame.tests.test_utils import arrinter
except NameError:
pass
import pygame
quit_count = 0
def quit_hook():
global quit_count
quit_count += 1
class BaseModuleTest(unittest.TestCase):
def tearDown(self):
# Clean up after each test method.
pygame.quit()
def test_get_sdl_byteorder(self):
"""Ensure the SDL byte order is valid"""
byte_order = pygame.get_sdl_byteorder()
expected_options = (pygame.LIL_ENDIAN, pygame.BIG_ENDIAN)
self.assertIn(byte_order, expected_options)
def test_get_sdl_version(self):
"""Ensure the SDL version is valid"""
self.assertEqual(len(pygame.get_sdl_version()), 3)
class ExporterBase(object):
def __init__(self, shape, typechar, itemsize):
import ctypes
ndim = len(shape)
self.ndim = ndim
self.shape = tuple(shape)
array_len = 1
for d in shape:
array_len *= d
self.size = itemsize * array_len
self.parent = ctypes.create_string_buffer(self.size)
self.itemsize = itemsize
strides = [itemsize] * ndim
for i in range(ndim - 1, 0, -1):
strides[i - 1] = strides[i] * shape[i]
self.strides = tuple(strides)
self.data = ctypes.addressof(self.parent), False
if self.itemsize == 1:
byteorder = "|"
elif sys.byteorder == "big":
byteorder = ">"
else:
byteorder = "<"
self.typestr = byteorder + typechar + str(self.itemsize)
def assertSame(self, proxy, obj):
self.assertEqual(proxy.length, obj.size)
iface = proxy.__array_interface__
self.assertEqual(iface["typestr"], obj.typestr)
self.assertEqual(iface["shape"], obj.shape)
self.assertEqual(iface["strides"], obj.strides)
self.assertEqual(iface["data"], obj.data)
def test_PgObject_GetBuffer_array_interface(self):
from pygame.bufferproxy import BufferProxy
class Exporter(self.ExporterBase):
def get__array_interface__(self):
return {
"version": 3,
"typestr": self.typestr,
"shape": self.shape,
"strides": self.strides,
"data": self.data,
}
__array_interface__ = property(get__array_interface__)
# Should be ignored by PgObject_GetBuffer
__array_struct__ = property(lambda self: None)
_shape = [2, 3, 5, 7, 11] # Some prime numbers
for ndim in range(1, len(_shape)):
o = Exporter(_shape[0:ndim], "i", 2)
v = BufferProxy(o)
self.assertSame(v, o)
ndim = 2
shape = _shape[0:ndim]
for typechar in ("i", "u"):
for itemsize in (1, 2, 4, 8):
o = Exporter(shape, typechar, itemsize)
v = BufferProxy(o)
self.assertSame(v, o)
for itemsize in (4, 8):
o = Exporter(shape, "f", itemsize)
v = BufferProxy(o)
self.assertSame(v, o)
# Is the dict received from an exporting object properly released?
# The dict should be freed before PgObject_GetBuffer returns.
# When the BufferProxy v's length property is referenced, v calls
# PgObject_GetBuffer, which in turn references Exporter2 o's
# __array_interface__ property. The Exporter2 instance o returns a
# dict subclass for which it keeps both a regular reference and a
# weak reference. The regular reference should be the only
# remaining reference when PgObject_GetBuffer returns. This is
# verified by first checking the weak reference both before and
# after the regular reference held by o is removed.
import weakref, gc
class NoDictError(RuntimeError):
pass
class WRDict(dict):
"""Weak referenceable dict"""
pass
class Exporter2(Exporter):
def get__array_interface__2(self):
self.d = WRDict(Exporter.get__array_interface__(self))
self.dict_ref = weakref.ref(self.d)
return self.d
__array_interface__ = property(get__array_interface__2)
def free_dict(self):
self.d = None
def is_dict_alive(self):
try:
return self.dict_ref() is not None
except AttributeError:
raise NoDictError("__array_interface__ is unread")
o = Exporter2((2, 4), "u", 4)
v = BufferProxy(o)
self.assertRaises(NoDictError, o.is_dict_alive)
length = v.length
self.assertTrue(o.is_dict_alive())
o.free_dict()
gc.collect()
self.assertFalse(o.is_dict_alive())
def test_GetView_array_struct(self):
from pygame.bufferproxy import BufferProxy
class Exporter(self.ExporterBase):
def __init__(self, shape, typechar, itemsize):
super(Exporter, self).__init__(shape, typechar, itemsize)
self.view = BufferProxy(self.__dict__)
def get__array_struct__(self):
return self.view.__array_struct__
__array_struct__ = property(get__array_struct__)
# Should not cause PgObject_GetBuffer to fail
__array_interface__ = property(lambda self: None)
_shape = [2, 3, 5, 7, 11] # Some prime numbers
for ndim in range(1, len(_shape)):
o = Exporter(_shape[0:ndim], "i", 2)
v = BufferProxy(o)
self.assertSame(v, o)
ndim = 2
shape = _shape[0:ndim]
for typechar in ("i", "u"):
for itemsize in (1, 2, 4, 8):
o = Exporter(shape, typechar, itemsize)
v = BufferProxy(o)
self.assertSame(v, o)
for itemsize in (4, 8):
o = Exporter(shape, "f", itemsize)
v = BufferProxy(o)
self.assertSame(v, o)
# Check returned cobject/capsule reference count
try:
from sys import getrefcount
except ImportError:
# PyPy: no reference counting
pass
else:
o = Exporter(shape, typechar, itemsize)
self.assertEqual(getrefcount(o.__array_struct__), 1)
if pygame.HAVE_NEWBUF:
from pygame.tests.test_utils import buftools
def NEWBUF_assertSame(self, proxy, exp):
buftools = self.buftools
Importer = buftools.Importer
self.assertEqual(proxy.length, exp.len)
imp = Importer(proxy, buftools.PyBUF_RECORDS_RO)
self.assertEqual(imp.readonly, exp.readonly)
self.assertEqual(imp.format, exp.format)
self.assertEqual(imp.itemsize, exp.itemsize)
self.assertEqual(imp.ndim, exp.ndim)
self.assertEqual(imp.shape, exp.shape)
self.assertEqual(imp.strides, exp.strides)
self.assertTrue(imp.suboffsets is None)
@unittest.skipIf(not pygame.HAVE_NEWBUF, "newbuf not implemented")
@unittest.skipIf(IS_PYPY, "pypy no likey")
def test_newbuf(self):
from pygame.bufferproxy import BufferProxy
Exporter = self.buftools.Exporter
_shape = [2, 3, 5, 7, 11] # Some prime numbers
for ndim in range(1, len(_shape)):
o = Exporter(_shape[0:ndim], "=h")
v = BufferProxy(o)
self.NEWBUF_assertSame(v, o)
ndim = 2
shape = _shape[0:ndim]
for format in [
"b",
"B",
"=h",
"=H",
"=i",
"=I",
"=q",
"=Q",
"f",
"d",
"1h",
"=1h",
"x",
"1x",
"2x",
"3x",
"4x",
"5x",
"6x",
"7x",
"8x",
"9x",
]:
o = Exporter(shape, format)
v = BufferProxy(o)
self.NEWBUF_assertSame(v, o)
@unittest.skipIf(not pygame.HAVE_NEWBUF, "newbuf not implemented")
def test_bad_format(self):
from pygame.bufferproxy import BufferProxy
from pygame.newbuffer import BufferMixin
from ctypes import create_string_buffer, addressof
buftools = self.buftools
Exporter = buftools.Exporter
Importer = buftools.Importer
PyBUF_FORMAT = buftools.PyBUF_FORMAT
for format in [
"",
"=",
"1",
" ",
"2h",
"=2h",
"0x",
"11x",
"=!",
"h ",
" h",
"hh",
"?",
]:
exp = Exporter((1,), format, itemsize=2)
b = BufferProxy(exp)
self.assertRaises(ValueError, Importer, b, PyBUF_FORMAT)
@unittest.skipIf(not pygame.HAVE_NEWBUF, "newbuf not implemented")
@unittest.skipIf(IS_PYPY, "fails on pypy")
def test_PgDict_AsBuffer_PyBUF_flags(self):
from pygame.bufferproxy import BufferProxy
is_lil_endian = pygame.get_sdl_byteorder() == pygame.LIL_ENDIAN
fsys, frev = ("<", ">") if is_lil_endian else (">", "<")
buftools = self.buftools
Importer = buftools.Importer
a = BufferProxy(
{"typestr": "|u4", "shape": (10, 2), "data": (9, False)}
) # 9? No data accesses.
b = Importer(a, buftools.PyBUF_SIMPLE)
self.assertEqual(b.ndim, 0)
self.assertTrue(b.format is None)
self.assertEqual(b.len, a.length)
self.assertEqual(b.itemsize, 4)
self.assertTrue(b.shape is None)
self.assertTrue(b.strides is None)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, 9)
b = Importer(a, buftools.PyBUF_WRITABLE)
self.assertEqual(b.ndim, 0)
self.assertTrue(b.format is None)
self.assertEqual(b.len, a.length)
self.assertEqual(b.itemsize, 4)
self.assertTrue(b.shape is None)
self.assertTrue(b.strides is None)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, 9)
b = Importer(a, buftools.PyBUF_ND)
self.assertEqual(b.ndim, 2)
self.assertTrue(b.format is None)
self.assertEqual(b.len, a.length)
self.assertEqual(b.itemsize, 4)
self.assertEqual(b.shape, (10, 2))
self.assertTrue(b.strides is None)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, 9)
a = BufferProxy(
{
"typestr": fsys + "i2",
"shape": (5, 10),
"strides": (24, 2),
"data": (42, False),
}
) # 42? No data accesses.
b = Importer(a, buftools.PyBUF_STRIDES)
self.assertEqual(b.ndim, 2)
self.assertTrue(b.format is None)
self.assertEqual(b.len, 100)
self.assertEqual(b.itemsize, 2)
self.assertEqual(b.shape, (5, 10))
self.assertEqual(b.strides, (24, 2))
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, 42)
b = Importer(a, buftools.PyBUF_FULL_RO)
self.assertEqual(b.ndim, 2)
self.assertEqual(b.format, "=h")
self.assertEqual(b.len, 100)
self.assertEqual(b.itemsize, 2)
self.assertEqual(b.shape, (5, 10))
self.assertEqual(b.strides, (24, 2))
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, 42)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_SIMPLE)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ND)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_C_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_F_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ANY_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_CONTIG)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_SIMPLE)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ND)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_C_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_F_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ANY_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_CONTIG)
a = BufferProxy(
{
"typestr": frev + "i2",
"shape": (3, 5, 10),
"strides": (120, 24, 2),
"data": (1000000, True),
}
) # 1000000? No data accesses.
b = Importer(a, buftools.PyBUF_FULL_RO)
self.assertEqual(b.ndim, 3)
self.assertEqual(b.format, frev + "h")
self.assertEqual(b.len, 300)
self.assertEqual(b.itemsize, 2)
self.assertEqual(b.shape, (3, 5, 10))
self.assertEqual(b.strides, (120, 24, 2))
self.assertTrue(b.suboffsets is None)
self.assertTrue(b.readonly)
self.assertEqual(b.buf, 1000000)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_FULL)
@unittest.skipIf(IS_PYPY or (not pygame.HAVE_NEWBUF), "newbuf with ctypes")
def test_PgObject_AsBuffer_PyBUF_flags(self):
from pygame.bufferproxy import BufferProxy
import ctypes
is_lil_endian = pygame.get_sdl_byteorder() == pygame.LIL_ENDIAN
fsys, frev = ("<", ">") if is_lil_endian else (">", "<")
buftools = self.buftools
Importer = buftools.Importer
e = arrinter.Exporter(
(10, 2), typekind="f", itemsize=ctypes.sizeof(ctypes.c_double)
)
a = BufferProxy(e)
b = Importer(a, buftools.PyBUF_SIMPLE)
self.assertEqual(b.ndim, 0)
self.assertTrue(b.format is None)
self.assertEqual(b.len, e.len)
self.assertEqual(b.itemsize, e.itemsize)
self.assertTrue(b.shape is None)
self.assertTrue(b.strides is None)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, e.data)
b = Importer(a, buftools.PyBUF_WRITABLE)
self.assertEqual(b.ndim, 0)
self.assertTrue(b.format is None)
self.assertEqual(b.len, e.len)
self.assertEqual(b.itemsize, e.itemsize)
self.assertTrue(b.shape is None)
self.assertTrue(b.strides is None)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, e.data)
b = Importer(a, buftools.PyBUF_ND)
self.assertEqual(b.ndim, e.nd)
self.assertTrue(b.format is None)
self.assertEqual(b.len, a.length)
self.assertEqual(b.itemsize, e.itemsize)
self.assertEqual(b.shape, e.shape)
self.assertTrue(b.strides is None)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, e.data)
e = arrinter.Exporter((5, 10), typekind="i", itemsize=2, strides=(24, 2))
a = BufferProxy(e)
b = Importer(a, buftools.PyBUF_STRIDES)
self.assertEqual(b.ndim, e.nd)
self.assertTrue(b.format is None)
self.assertEqual(b.len, e.len)
self.assertEqual(b.itemsize, e.itemsize)
self.assertEqual(b.shape, e.shape)
self.assertEqual(b.strides, e.strides)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, e.data)
b = Importer(a, buftools.PyBUF_FULL_RO)
self.assertEqual(b.ndim, e.nd)
self.assertEqual(b.format, "=h")
self.assertEqual(b.len, e.len)
self.assertEqual(b.itemsize, e.itemsize)
self.assertEqual(b.shape, e.shape)
self.assertEqual(b.strides, e.strides)
self.assertTrue(b.suboffsets is None)
self.assertFalse(b.readonly)
self.assertEqual(b.buf, e.data)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_SIMPLE)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_WRITABLE)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_WRITABLE)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ND)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_C_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_F_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ANY_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_CONTIG)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_SIMPLE)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ND)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_C_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_F_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_ANY_CONTIGUOUS)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_CONTIG)
e = arrinter.Exporter(
(3, 5, 10),
typekind="i",
itemsize=2,
strides=(120, 24, 2),
flags=arrinter.PAI_ALIGNED,
)
a = BufferProxy(e)
b = Importer(a, buftools.PyBUF_FULL_RO)
self.assertEqual(b.ndim, e.nd)
self.assertEqual(b.format, frev + "h")
self.assertEqual(b.len, e.len)
self.assertEqual(b.itemsize, e.itemsize)
self.assertEqual(b.shape, e.shape)
self.assertEqual(b.strides, e.strides)
self.assertTrue(b.suboffsets is None)
self.assertTrue(b.readonly)
self.assertEqual(b.buf, e.data)
self.assertRaises(BufferError, Importer, a, buftools.PyBUF_FULL)
def test_PgObject_GetBuffer_exception(self):
# For consistency with surfarray
from pygame.bufferproxy import BufferProxy
bp = BufferProxy(1)
self.assertRaises(ValueError, getattr, bp, "length")
def not_init_assertions(self):
self.assertFalse(pygame.get_init(), "pygame shouldn't be initialized")
self.assertFalse(pygame.display.get_init(), "display shouldn't be initialized")
if "pygame.mixer" in sys.modules:
self.assertFalse(pygame.mixer.get_init(), "mixer shouldn't be initialized")
if "pygame.font" in sys.modules:
self.assertFalse(pygame.font.get_init(), "init shouldn't be initialized")
## !!! TODO : Remove when scrap works for OS X
import platform
if platform.system().startswith("Darwin"):
return
try:
self.assertRaises(pygame.error, pygame.scrap.get)
except NotImplementedError:
# Scrap is optional.
pass
# pygame.cdrom
# pygame.joystick
def init_assertions(self):
self.assertTrue(pygame.get_init())
self.assertTrue(pygame.display.get_init())
if "pygame.mixer" in sys.modules:
self.assertTrue(pygame.mixer.get_init())
if "pygame.font" in sys.modules:
self.assertTrue(pygame.font.get_init())
def test_quit__and_init(self):
# __doc__ (as of 2008-06-25) for pygame.base.quit:
# pygame.quit(): return None
# uninitialize all pygame modules
# Make sure everything is not init
self.not_init_assertions()
# Initiate it
pygame.init()
# Check
self.init_assertions()
# Quit
pygame.quit()
# All modules have quit
self.not_init_assertions()
def test_register_quit(self):
"""Ensure that a registered function is called on quit()"""
self.assertEqual(quit_count, 0)
pygame.init()
pygame.register_quit(quit_hook)
pygame.quit()
self.assertEqual(quit_count, 1)
def test_get_error(self):
# __doc__ (as of 2008-08-02) for pygame.base.get_error:
# pygame.get_error(): return errorstr
# get the current error message
#
# SDL maintains an internal error message. This message will usually
# be given to you when pygame.error is raised. You will rarely need to
# call this function.
#
# The first error could be all sorts of nonsense or empty.
e = pygame.get_error()
pygame.set_error("hi")
self.assertEqual(pygame.get_error(), "hi")
pygame.set_error("")
self.assertEqual(pygame.get_error(), "")
def test_set_error(self):
# The first error could be all sorts of nonsense or empty.
e = pygame.get_error()
pygame.set_error("hi")
self.assertEqual(pygame.get_error(), "hi")
pygame.set_error("")
self.assertEqual(pygame.get_error(), "")
def test_unicode_error(self):
pygame.set_error("你好")
self.assertEqual("你好", pygame.get_error())
def test_init(self):
"""Ensures init() works properly."""
# Make sure nothing initialized.
self.not_init_assertions()
# display and joystick must init, at minimum
expected_min_passes = 2
# All modules should pass.
expected_fails = 0
passes, fails = pygame.init()
self.init_assertions()
self.assertGreaterEqual(passes, expected_min_passes)
self.assertEqual(fails, expected_fails)
def test_get_init(self):
# Test if get_init() gets the init state.
self.assertFalse(pygame.get_init())
def test_get_init__after_init(self):
# Test if get_init() gets the init state after pygame.init() called.
pygame.init()
self.assertTrue(pygame.get_init())
def test_get_init__after_quit(self):
# Test if get_init() gets the init state after pygame.quit() called.
pygame.init()
pygame.quit()
self.assertFalse(pygame.get_init())
def todo_test_segfault(self):
# __doc__ (as of 2008-08-02) for pygame.base.segfault:
# crash
self.fail()
if __name__ == "__main__":
unittest.main()