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if __name__ == '__main__':
import sys
import os
pkg_dir = os.path.split(os.path.abspath(__file__))[0]
parent_dir, pkg_name = os.path.split(pkg_dir)
is_pygame_pkg = (pkg_name == 'tests' and
os.path.split(parent_dir)[1] == 'pygame')
if not is_pygame_pkg:
sys.path.insert(0, parent_dir)
else:
is_pygame_pkg = __name__.startswith('pygame.tests.')
import unittest
import pygame
from pygame.compat import as_bytes
import pygame.sndarray
from numpy import \
int8, int16, uint8, uint16, array, alltrue
arraytype = "numpy"
class SndarrayTest (unittest.TestCase):
if arraytype:
array_dtypes = {8: uint8, -8: int8, 16: uint16, -16: int16}
def _assert_compatible(self, arr, size):
dtype = self.array_dtypes[size]
if arraytype == 'numpy':
self.failUnlessEqual(arr.dtype, dtype)
else:
self.failUnlessEqual(arr.typecode(), dtype)
def test_import(self):
'does it import'
if not arraytype:
self.fail("no array package installed")
import pygame.sndarray
def test_array(self):
if not arraytype:
self.fail("no array package installed")
def check_array(size, channels, test_data):
try:
pygame.mixer.init(22050, size, channels)
except pygame.error:
# Not all sizes are supported on all systems.
return
try:
__, sz, __ = pygame.mixer.get_init()
if sz == size:
srcarr = array(test_data, self.array_dtypes[size])
snd = pygame.sndarray.make_sound(srcarr)
arr = pygame.sndarray.array(snd)
self._assert_compatible(arr, size)
self.failUnless(alltrue(arr == srcarr),
"size: %i\n%s\n%s" %
(size, arr, test_data))
finally:
pygame.mixer.quit()
check_array(8, 1, [0, 0x0f, 0xf0, 0xff])
check_array(8, 2,
[[0, 0x80], [0x2D, 0x41], [0x64, 0xA1], [0xff, 0x40]])
check_array(16, 1, [0, 0x00ff, 0xff00, 0xffff])
check_array(16, 2, [[0, 0xffff], [0xffff, 0],
[0x00ff, 0xff00], [0x0f0f, 0xf0f0]])
check_array(-8, 1, [0, -0x80, 0x7f, 0x64])
check_array(-8, 2,
[[0, -0x80], [-0x64, 0x64], [0x25, -0x50], [0xff, 0]])
check_array(-16, 1, [0, 0x7fff, -0x7fff, -1])
check_array(-16, 2, [[0, -0x7fff], [-0x7fff, 0],
[0x7fff, 0], [0, 0x7fff]])
def test_get_arraytype(self):
if not arraytype:
self.fail("no array package installed")
self.failUnless((pygame.sndarray.get_arraytype() in
['numpy']),
("unknown array type %s" %
pygame.sndarray.get_arraytype()))
def test_get_arraytypes(self):
if not arraytype:
self.fail("no array package installed")
arraytypes = pygame.sndarray.get_arraytypes()
self.failUnless('numpy' in arraytypes)
for atype in arraytypes:
self.failUnless(atype in ['numpy'],
"unknown array type %s" % atype)
def test_make_sound(self):
if not arraytype:
self.fail("no array package installed")
def check_sound(size, channels, test_data):
try:
pygame.mixer.init(22050, size, channels)
except pygame.error:
# Not all sizes are supported on all systems.
return
try:
__, sz, __ = pygame.mixer.get_init()
if sz == size:
srcarr = array(test_data, self.array_dtypes[size])
snd = pygame.sndarray.make_sound(srcarr)
arr = pygame.sndarray.samples(snd)
self.failUnless(alltrue(arr == srcarr),
"size: %i\n%s\n%s" %
(size, arr, test_data))
finally:
pygame.mixer.quit()
check_sound(8, 1, [0, 0x0f, 0xf0, 0xff])
check_sound(8, 2,
[[0, 0x80], [0x2D, 0x41], [0x64, 0xA1], [0xff, 0x40]])
check_sound(16, 1, [0, 0x00ff, 0xff00, 0xffff])
check_sound(16, 2, [[0, 0xffff], [0xffff, 0],
[0x00ff, 0xff00], [0x0f0f, 0xf0f0]])
check_sound(-8, 1, [0, -0x80, 0x7f, 0x64])
check_sound(-8, 2,
[[0, -0x80], [-0x64, 0x64], [0x25, -0x50], [0xff, 0]])
check_sound(-16, 1, [0, 0x7fff, -0x7fff, -1])
check_sound(-16, 2, [[0, -0x7fff], [-0x7fff, 0],
[0x7fff, 0], [0, 0x7fff]])
def test_samples(self):
if not arraytype:
self.fail("no array package installed")
null_byte = as_bytes('\x00')
def check_sample(size, channels, test_data):
try:
pygame.mixer.init(22050, size, channels)
except pygame.error:
# Not all sizes are supported on all systems.
return
try:
__, sz, __ = pygame.mixer.get_init()
if sz == size:
zeroed = null_byte * ((abs(size) // 8) *
len(test_data) *
channels)
snd = pygame.mixer.Sound(buffer=zeroed)
samples = pygame.sndarray.samples(snd)
self._assert_compatible(samples, size)
##print ('X %s' % (samples.shape,))
##print ('Y %s' % (test_data,))
samples[...] = test_data
arr = pygame.sndarray.array(snd)
self.failUnless(alltrue(samples == arr),
"size: %i\n%s\n%s" %
(size, arr, test_data))
finally:
pygame.mixer.quit()
check_sample(8, 1, [0, 0x0f, 0xf0, 0xff])
check_sample(8, 2,
[[0, 0x80], [0x2D, 0x41], [0x64, 0xA1], [0xff, 0x40]])
check_sample(16, 1, [0, 0x00ff, 0xff00, 0xffff])
check_sample(16, 2, [[0, 0xffff], [0xffff, 0],
[0x00ff, 0xff00], [0x0f0f, 0xf0f0]])
check_sample(-8, 1, [0, -0x80, 0x7f, 0x64])
check_sample(-8, 2,
[[0, -0x80], [-0x64, 0x64], [0x25, -0x50], [0xff, 0]])
check_sample(-16, 1, [0, 0x7fff, -0x7fff, -1])
check_sample(-16, 2, [[0, -0x7fff], [-0x7fff, 0],
[0x7fff, 0], [0, 0x7fff]])
def test_use_arraytype(self):
if not arraytype:
self.fail("no array package installed")
def do_use_arraytype(atype):
pygame.sndarray.use_arraytype(atype)
pygame.sndarray.use_arraytype('numpy')
self.failUnlessEqual(pygame.sndarray.get_arraytype(), 'numpy')
self.failUnlessRaises(ValueError, do_use_arraytype, 'not an option')
if __name__ == '__main__':
unittest.main()
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