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import itertools |
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2
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import random |
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3
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import unittest |
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4
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import pytest |
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5
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6
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from magic_domino import magic_domino |
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7
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8
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9
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class Tests(unittest.TestCase): |
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10
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extra_tests_count = 3 |
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11
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12
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TESTS = {"Basics": [], "Extra": []} |
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13
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14
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def setUp(self): |
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15
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for n in range(5, 20): |
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self.TESTS["Basics"].append({"input": (4, n), "answer": (4, n)}) |
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17
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18
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for n in random.sample(range(13, 24), self.extra_tests_count): |
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19
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self.TESTS["Extra"].append({"input": (6, n), "answer": (6, n)}) |
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20
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21
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def check_data(self, size, number, user_result): |
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22
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# check types |
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23
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check_container_type = lambda o: any( |
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24
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map(lambda t: isinstance(o, t), (list, tuple)) |
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25
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) |
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check_cell_type = lambda i: isinstance(i, int) |
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if not ( |
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check_container_type(user_result) |
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29
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and all(map(check_container_type, user_result)) |
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and all(map(lambda row: all(map(check_cell_type, row)), user_result)) |
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31
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): |
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raise Exception( |
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"You should return a list/tuple of lists/tuples with integers." |
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34
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) |
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35
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36
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# check sizes |
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check_size = lambda o: len(o) == size |
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38
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if not (check_size(user_result) and all(map(check_size, user_result))): |
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raise Exception("Wrong size of answer.") |
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40
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41
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# check is it a possible numbers (from 0 to 6 inclusive) |
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42
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if not all( |
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map(lambda x: 0 <= x <= 6, itertools.chain.from_iterable(user_result)) |
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): |
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raise Exception("Wrong matrix integers (can't be domino tiles)") |
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46
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47
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# check is it a magic square |
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48
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seq_sum_check = lambda seq: sum(seq) == number |
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49
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diagonals_indexes = zip( |
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*map(lambda i: ((i, i), (i, size - i - 1)), range(size)) |
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51
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) |
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52
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values_from_indexes = lambda inds: itertools.starmap( |
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lambda x, y: user_result[y][x], inds |
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) |
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if not ( |
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all(map(seq_sum_check, user_result)) |
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and all(map(seq_sum_check, zip(*user_result))) # rows |
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58
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and all( # columns |
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59
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map(seq_sum_check, map(values_from_indexes, diagonals_indexes)) |
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60
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) |
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61
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): # diagonals |
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raise Exception("It's not a magic square.") |
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63
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64
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# check is it domino square |
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tiles = set() |
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66
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for x, y in itertools.product(range(size), range(0, size, 2)): |
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tile = tuple(sorted((user_result[y][x], user_result[y + 1][x]))) |
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if tile in tiles: |
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raise Exception("It's not a domino magic square.") |
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tiles.add(tile) |
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71
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72
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def test_Basics(self): |
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for i in self.TESTS['Basics']: |
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self.check_data(i['answer'][0], i['answer'][1], magic_domino(*i['input'])) |
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75
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76
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def test_Extra(self): |
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for i in self.TESTS['Extra']: |
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self.check_data(i['answer'][0], i['answer'][1], magic_domino(*i['input'])) |
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79
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80
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81
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if __name__ == "__main__": # pragma: no cover |
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82
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unittest.main() |
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83
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KenMercusLai /
checkio
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