155 lines
5.8 KiB
Python
155 lines
5.8 KiB
Python
import unittest
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from pygame.tests.test_utils import fixture_path
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import pygame
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class CursorsModuleTest(unittest.TestCase):
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def test_compile(self):
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# __doc__ (as of 2008-06-25) for pygame.cursors.compile:
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# pygame.cursors.compile(strings, black, white,xor) -> data, mask
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# compile cursor strings into cursor data
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#
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# This takes a set of strings with equal length and computes
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# the binary data for that cursor. The string widths must be
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# divisible by 8.
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#
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# The black and white arguments are single letter strings that
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# tells which characters will represent black pixels, and which
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# characters represent white pixels. All other characters are
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# considered clear.
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#
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# This returns a tuple containing the cursor data and cursor mask
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# data. Both these arguments are used when setting a cursor with
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# pygame.mouse.set_cursor().
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#Various types of input strings
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test_cursor1 = (
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"X.X.XXXX",
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"XXXXXX..",
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" XXXX "
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)
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test_cursor2 = (
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"X.X.XXXX",
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"XXXXXX..",
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"XXXXXX ",
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"XXXXXX..",
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"XXXXXX..",
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"XXXXXX",
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"XXXXXX..",
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"XXXXXX.."
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)
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test_cursor3 = (
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".XX.",
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" ",
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".. ",
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"X.. X"
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)
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# Test such that total number of strings is not divisible by 8
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with self.assertRaises(ValueError):
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pygame.cursors.compile(test_cursor1)
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# Test such that size of individual string is not divisible by 8
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with self.assertRaises(ValueError):
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pygame.cursors.compile(test_cursor2)
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# Test such that neither size of individual string nor total number of strings is divisible by 8
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with self.assertRaises(ValueError):
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pygame.cursors.compile(test_cursor3)
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#Test that checks whether the byte data from compile funtion is equal to actual byte data
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actual_byte_data = (192, 0, 0, 224, 0, 0, 240, 0, 0, 216, 0, 0,
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204, 0, 0, 198, 0, 0, 195, 0, 0, 193, 128, 0, 192, 192, 0, 192, 96, 0, 192, 48, 0,
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192, 56, 0, 192, 248, 0, 220, 192, 0, 246, 96, 0, 198, 96, 0, 6, 96, 0, 3, 48, 0,
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3, 48, 0, 1, 224, 0, 1, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), (192, 0, 0, 224, 0, 0,
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240, 0, 0, 248, 0, 0, 252, 0, 0, 254, 0, 0, 255, 0, 0, 255, 128, 0, 255, 192, 0, 255,
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224, 0, 255, 240, 0, 255, 248, 0, 255, 248, 0, 255, 192, 0, 247, 224, 0, 199, 224,
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0, 7, 224, 0, 3, 240, 0, 3, 240, 0, 1, 224, 0, 1, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
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cursor = pygame.cursors.compile(pygame.cursors.thickarrow_strings)
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self.assertEqual(cursor,actual_byte_data)
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#Test such that cursor byte data obtained from compile function is valid in pygame.mouse.set_cursor()
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pygame.display.init()
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try:
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pygame.mouse.set_cursor((24, 24), (0, 0), *cursor)
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except pygame.error as e:
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if "not currently supported" in str(e):
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unittest.skip("skipping test as set_cursor() is not supported")
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finally:
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pygame.display.quit()
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################################################################################
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def test_load_xbm(self):
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# __doc__ (as of 2008-06-25) for pygame.cursors.load_xbm:
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# pygame.cursors.load_xbm(cursorfile, maskfile) -> cursor_args
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# reads a pair of XBM files into set_cursor arguments
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#
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# Arguments can either be filenames or filelike objects
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# with the readlines method. Not largely tested, but
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# should work with typical XBM files.
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# Test that load_xbm will take filenames as arguments
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cursorfile = fixture_path(r"xbm_cursors/white_sizing.xbm")
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maskfile = fixture_path(r"xbm_cursors/white_sizing_mask.xbm")
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cursor = pygame.cursors.load_xbm(cursorfile, maskfile)
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# Test that load_xbm will take file objects as arguments
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with open(cursorfile) as cursor_f, open(maskfile) as mask_f:
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cursor = pygame.cursors.load_xbm(cursor_f, mask_f)
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# Is it in a format that mouse.set_cursor won't blow up on?
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pygame.display.init()
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try:
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pygame.mouse.set_cursor(*cursor)
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except pygame.error as e:
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if "not currently supported" in str(e):
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unittest.skip("skipping test as set_cursor() is not supported")
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finally:
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pygame.display.quit()
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def test_Cursor(self):
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"""Ensure that the cursor object parses information properly"""
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c1 = pygame.cursors.Cursor(pygame.SYSTEM_CURSOR_CROSSHAIR)
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self.assertEqual(c1.data, (pygame.SYSTEM_CURSOR_CROSSHAIR,))
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self.assertEqual(c1.type, "system")
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c2 = pygame.cursors.Cursor(c1)
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self.assertEqual(c1, c2)
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with self.assertRaises(TypeError):
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pygame.cursors.Cursor(-34002)
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with self.assertRaises(TypeError):
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pygame.cursors.Cursor("a", "b", "c", "d")
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with self.assertRaises(TypeError):
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pygame.cursors.Cursor((2,))
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c3 = pygame.cursors.Cursor((0,0), pygame.Surface((20,20)))
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self.assertEqual(c3.data[0], (0,0))
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self.assertEqual(c3.data[1].get_size(), (20, 20))
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self.assertEqual(c3.type, "color")
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xormask, andmask = pygame.cursors.compile(pygame.cursors.thickarrow_strings)
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c4 = pygame.cursors.Cursor((24, 24), (0, 0), xormask, andmask)
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self.assertEqual(c4.data, ((24,24), (0,0), xormask, andmask))
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self.assertEqual(c4.type, "bitmap")
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################################################################################
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if __name__ == "__main__":
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unittest.main()
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################################################################################
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