mirror of
https://github.com/KrisKennaway/ii-vision.git
synced 2024-06-01 14:41:36 +00:00
230 lines
7.6 KiB
Python
230 lines
7.6 KiB
Python
"""Tests for the video module."""
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import unittest
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import video
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class TestHammingWeight(unittest.TestCase):
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def testHammingWeight(self):
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self.assertEqual(0, video.hamming_weight(0))
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self.assertEqual(1, video.hamming_weight(0b1))
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self.assertEqual(1, video.hamming_weight(0b100))
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self.assertEqual(3, video.hamming_weight(0b101100))
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self.assertEqual(7, video.hamming_weight(0b11111110))
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class TestByteToColourString(unittest.TestCase):
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def testEncoding(self):
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self.assertEqual(
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"KKK0", video.byte_to_colour_string(0, is_odd_offset=False))
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self.assertEqual(
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"0KKK", video.byte_to_colour_string(0, is_odd_offset=True))
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self.assertEqual(
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"WWW1", video.byte_to_colour_string(0xff, is_odd_offset=False))
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self.assertEqual(
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"1WWW", video.byte_to_colour_string(0xff, is_odd_offset=True))
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self.assertEqual(
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"GGG0", video.byte_to_colour_string(0x2a, is_odd_offset=False))
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self.assertEqual(
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"1GGG", video.byte_to_colour_string(0x55, is_odd_offset=True))
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self.assertEqual(
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"OOO0", video.byte_to_colour_string(0xaa, is_odd_offset=False))
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self.assertEqual(
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"1OOO", video.byte_to_colour_string(0xd5, is_odd_offset=True))
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class TestEditWeight(unittest.TestCase):
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def testTransposition(self):
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self.assertEqual("WKK0", video.byte_to_colour_string(
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0b00000011, is_odd_offset=False))
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self.assertEqual("KWK0", video.byte_to_colour_string(
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0b00001100, is_odd_offset=False))
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self.assertEqual(
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1, video.edit_weight(0b00000011, 0b00001100, is_odd_offset=False)
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)
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self.assertEqual("OWK1", video.byte_to_colour_string(
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0b11001110, is_odd_offset=False))
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self.assertEqual("OKW1", video.byte_to_colour_string(
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0b11110010, is_odd_offset=False))
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self.assertEqual(
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1, video.edit_weight(0b11001110, 0b11110010, is_odd_offset=False)
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)
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def testSubstitution(self):
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# Black has cost 5
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self.assertEqual("WKK0", video.byte_to_colour_string(
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0b00000011, is_odd_offset=False))
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self.assertEqual("KKK0", video.byte_to_colour_string(
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0b00000000, is_odd_offset=False))
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self.assertEqual(
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5, video.edit_weight(0b00000011, 0b00000000, is_odd_offset=False)
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)
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self.assertEqual(
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5, video.edit_weight(0b00000000, 0b00000011, is_odd_offset=False)
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)
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# Other colour has cost 1
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self.assertEqual(
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1, video.edit_weight(0b00000010, 0b00000011, is_odd_offset=False)
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)
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self.assertEqual(
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1, video.edit_weight(0b00000011, 0b00000010, is_odd_offset=False)
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)
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# class TestVideo(unittest.TestCase):
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# def testEncodeEmptyFrame(self):
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# f = screen.MemoryMap(screen_page=1)
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# v = video.Video()
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#
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# self.assertEqual([], list(v.encode_frame(f)))
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#
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# def testEncodeOnePixel(self):
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# f = screen.HGR140Bitmap()
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# a = np.zeros((f.YMAX, f.XMAX), dtype=bool)
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# a[0, 0] = True
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#
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# f = screen.HGR140Bitmap(a).to_memory_map(screen_page=1)
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#
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# v = video.Video()
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#
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# want = [
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# opcodes.SetPage(0x20),
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# opcodes.SetContent(0x03),
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# opcodes.Store(0x00),
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# ]
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# got = list(v.encode_frame(f))
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# self.assertListEqual(want, got)
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#
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#
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# class TestIndexPage(unittest.TestCase):
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# def testFullPageSameValue(self):
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# """Constant data with nonzero weights should return single run"""
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# v = video.Video()
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#
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# data = np.ones((256,), dtype=np.uint8)
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#
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# # total_xor_difference, start_offset, content, run_length
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# want = [(256, 0, 1, 256)]
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# got = list(v._index_page(video.hamming_weight(data), data))
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#
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# self.assertEqual(want, got)
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#
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# def testFullPageZeroValue(self):
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# """Zero data with 0 weights should return nothing"""
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# v = video.Video()
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#
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# data = np.zeros((256,), dtype=np.uint8)
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#
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# # total_xor_difference, start_offset, content, run_length
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# want = []
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# got = list(v._index_page(video.hamming_weight(data), data))
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#
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# self.assertEqual(want, got)
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#
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# def testFullPageZeroValueWithDiff(self):
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# """Zero data with nonzero weights should return single run"""
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# v = video.Video()
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#
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# old_data = np.ones((256,), dtype=np.uint8)
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#
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# data = np.zeros((256,), dtype=np.uint8)
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#
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# # total_xor_difference, start_offset, content, run_length
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# want = [(256, 0, 0, 256)]
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# got = list(v._index_page(video.hamming_weight(old_data), data))
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#
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# self.assertEqual(want, got)
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#
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# def testSingleRun(self):
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# """Single run of nonzero data"""
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# v = video.Video()
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#
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# data = np.zeros((256,), dtype=np.uint8)
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# for i in range(5):
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# data[i] = 1
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#
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# # total_xor_difference, start_offset, content, run_length
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# want = [(5, 0, 1, 5)]
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# got = list(v._index_page(video.hamming_weight(data), data))
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#
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# self.assertEqual(want, got)
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#
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# def testTwoRuns(self):
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# """Two consecutive runs of nonzero data"""
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# v = video.Video()
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#
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# data = np.zeros((256,), dtype=np.uint8)
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# for i in range(5):
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# data[i] = 1
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# for i in range(5, 10):
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# data[i] = 2
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#
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# # total_xor_difference, start_offset, content, run_length
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# want = [(5, 0, 1, 5), (5, 5, 2, 5)]
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# got = list(v._index_page(video.hamming_weight(data), data))
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#
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# self.assertEqual(want, got)
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#
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# def testShortRun(self):
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# """Run that is too short to encode as RLE opcode"""
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# v = video.Video()
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#
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# data = np.zeros((256,), dtype=np.uint8)
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# for i in range(2):
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# data[i] = 1
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#
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# # total_xor_difference, start_offset, content, run_length
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# want = [(1, 0, 1, 1), (1, 1, 1, 1)]
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# got = list(v._index_page(video.hamming_weight(data), data))
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#
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# self.assertEqual(want, got)
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#
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#
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# class TestEncodeDecode(unittest.TestCase):
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# def testEncodeDecode(self):
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# for _ in range(10):
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# s = video.Video(frame_rate=1)
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# screen_cls = screen.HGR140Bitmap
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#
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# im = np.random.randint(
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# 0, 2, (screen_cls.YMAX, screen_cls.XMAX), dtype=np.bool)
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# f = screen_cls(im).to_memory_map(screen_page=1)
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#
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# _ = bytes(s.emit_stream(s.encode_frame(f)))
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#
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# # assert that the screen decodes to the original bitmap
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# bm = screen_cls.from_bytemap(s.memory_map.to_bytemap()).bitmap
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#
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# self.assertTrue(np.array_equal(bm, im))
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#
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# def testEncodeDecodeTwoFrames(self):
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#
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# for _ in range(10):
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# s = video.Video(frame_rate=1)
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# screen_cls = screen.HGR140Bitmap
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#
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# im = np.random.randint(
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# 0, 2, (screen_cls.YMAX, screen_cls.XMAX), dtype=np.bool)
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# f = screen_cls(im).to_memory_map(screen_page=1)
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# _ = bytes(s.emit_stream(s.encode_frame(f)))
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#
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# im2 = np.random.randint(
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# 0, 2, (screen_cls.YMAX, screen_cls.XMAX), dtype=np.bool)
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# f = screen_cls(im2).to_memory_map(screen_page=1)
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# _ = bytes(s.emit_stream(s.encode_frame(f)))
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#
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# # assert that the screen decodes to the original bitmap
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# bm = screen_cls.from_bytemap(s.memory_map.to_bytemap()).bitmap
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#
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# self.assertTrue(np.array_equal(bm, im2))
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if __name__ == '__main__':
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unittest.main()
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