sndarray_test.py :  » Game-2D-3D » Pygame » pygame-1.9.1release » test » Python Open Source

Home
Python Open Source
1.3.1.2 Python
2.Ajax
3.Aspect Oriented
4.Blog
5.Build
6.Business Application
7.Chart Report
8.Content Management Systems
9.Cryptographic
10.Database
11.Development
12.Editor
13.Email
14.ERP
15.Game 2D 3D
16.GIS
17.GUI
18.IDE
19.Installer
20.IRC
21.Issue Tracker
22.Language Interface
23.Log
24.Math
25.Media Sound Audio
26.Mobile
27.Network
28.Parser
29.PDF
30.Project Management
31.RSS
32.Search
33.Security
34.Template Engines
35.Test
36.UML
37.USB Serial
38.Web Frameworks
39.Web Server
40.Web Services
41.Web Unit
42.Wiki
43.Windows
44.XML
Python Open Source » Game 2D 3D » Pygame 
Pygame » pygame 1.9.1release » test » sndarray_test.py
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.')

if is_pygame_pkg:
    from pygame.tests.test_utils import test_not_implemented,unittest
else:
    from test.test_utils import test_not_implemented,unittest
import pygame

arraytype = ""
try:
    import pygame.sndarray
except ImportError:
    pass
else:
    arraytype = pygame.sndarray.get_arraytype()
    if arraytype == 'numpy':
        from numpy import \
             int8, int16, uint8, uint16, array, alltrue
    elif arraytype == 'numeric':
        from Numeric import \
             Int8 as int8, Int16 as int16, UInt8 as uint8, UInt16 as uint16, \
             array, alltrue
    else:
        print ("Unknown array type %s; tests skipped" %
               (pygame.sndarray.get_arraytype(),))
        arraytype = ""


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', 'numeric']),
                        ("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()
        try:
            import numpy
        except ImportError:
            self.failIf('numpy' in arraytypes)
        else:
            self.failUnless('numpy' in arraytypes)

        try:
            import Numeric
        except ImportError:
            self.failIf('numeric' in arraytypes)
        else:
            self.failUnless('numeric' in arraytypes)

        for atype in arraytypes:
            self.failUnless(atype in ['numpy', 'numeric'],
                            "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")

        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 = '\0' * ((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)

        try:
            import numpy
        except ImportError:
            self.failUnlessRaises(ValueError, do_use_arraytype, 'numpy')
            self.failIfEqual(pygame.sndarray.get_arraytype(), 'numpy')
        else:
            pygame.sndarray.use_arraytype('numpy')
            self.failUnlessEqual(pygame.sndarray.get_arraytype(), 'numpy')

        try:
            import Numeric
        except ImportError:
            self.failUnlessRaises(ValueError, do_use_arraytype, 'numeric')
            self.failIfEqual(pygame.sndarray.get_arraytype(), 'numeric')
        else:
            pygame.sndarray.use_arraytype('numeric')
            self.failUnlessEqual(pygame.sndarray.get_arraytype(), 'numeric')

        self.failUnlessRaises(ValueError, do_use_arraytype, 'not an option')


if __name__ == '__main__':
    unittest.main()
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.