Rename tests and clean up a bit. Still don't pass.

This commit is contained in:
kris 2019-03-21 17:21:43 +00:00
parent 5a5c761183
commit da2e2476e7
2 changed files with 88 additions and 229 deletions

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"""Tests for the edit_distance module."""
import unittest
import edit_distance
class TestByteToNominalColourString(unittest.TestCase):
def testEncoding(self):
self.assertEqual(
"KKK0",
edit_distance.byte_to_nominal_colour_string(
0, is_odd_offset=False))
self.assertEqual(
"0KKK",
edit_distance.byte_to_nominal_colour_string(
0, is_odd_offset=True))
self.assertEqual(
"WWW1", edit_distance.byte_to_nominal_colour_string(
0xff, is_odd_offset=False))
self.assertEqual(
"1WWW", edit_distance.byte_to_nominal_colour_string(
0xff, is_odd_offset=True))
self.assertEqual(
"GGG0", edit_distance.byte_to_nominal_colour_string(
0x2a, is_odd_offset=False))
self.assertEqual(
"1GGG", edit_distance.byte_to_nominal_colour_string(
0x55, is_odd_offset=True))
self.assertEqual(
"OOO0", edit_distance.byte_to_nominal_colour_string(
0xaa, is_odd_offset=False))
self.assertEqual(
"1OOO", edit_distance.byte_to_nominal_colour_string(
0xd5, is_odd_offset=True))
class TestEditWeight(unittest.TestCase):
def testTransposition(self):
self.assertEqual("WKK0", edit_distance.byte_to_nominal_colour_string(
0b00000011, is_odd_offset=False))
self.assertEqual("KWK0", edit_distance.byte_to_nominal_colour_string(
0b00001100, is_odd_offset=False))
self.assertEqual(
1, edit_distance.edit_weight(0b00000011, 0b00001100,
is_odd_offset=False)
)
self.assertEqual("OWK1", edit_distance.byte_to_nominal_colour_string(
0b11001110, is_odd_offset=False))
self.assertEqual("OKW1", edit_distance.byte_to_nominal_colour_string(
0b11110010, is_odd_offset=False))
self.assertEqual(
1, edit_distance.edit_weight(
0b11001110, 0b11110010, is_odd_offset=False)
)
def testSubstitution(self):
# Black has cost 5
self.assertEqual("WKK0", edit_distance.byte_to_nominal_colour_string(
0b00000011, is_odd_offset=False))
self.assertEqual("KKK0", edit_distance.byte_to_nominal_colour_string(
0b00000000, is_odd_offset=False))
self.assertEqual(
5, edit_distance.edit_weight(
0b00000011, 0b00000000, is_odd_offset=False)
)
self.assertEqual(
5, edit_distance.edit_weight(
0b00000000, 0b00000011, is_odd_offset=False)
)
# Other colour has cost 1
self.assertEqual(
1, edit_distance.edit_weight(
0b00000010, 0b00000011, is_odd_offset=False)
)
self.assertEqual(
1, edit_distance.edit_weight(
0b00000011, 0b00000010, is_odd_offset=False)
)
if __name__ == '__main__':
unittest.main()

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