# How to use cover_solution_row method in avocado

Best Python code snippet using avocado_python

Cit.py

Source:Cit.py

`...30 for the best solution31 :return: solution matrix (list(list))32 """33 self.final_matrix = [self.create_random_row_with_constraints()]34 self.combination_matrix.cover_solution_row(self.final_matrix[0])35 while self.combination_matrix.total_uncovered != 0:36 if self.combination_matrix.total_uncovered < self.combination_matrix.total_covered_more_than_ones:37 new_row = self.compute_row()38 else:39 new_row = self.compute_row_using_hamming_distance()40 self.combination_matrix.cover_solution_row(new_row)41 self.final_matrix.append(new_row)42 return self.final_matrix43 def compute(self):44 """45 Searching for the best solution. It creates one solution and from that,46 it tries to create smaller solution. This searching process is limited47 by ITERATIONS_SIZE. When ITERATIONS_SIZE is 0 the last found solution is48 the best solution.49 :return: The best solution50 """51 self.final_matrix = self.final_matrix_init()52 matrix = [x[:] for x in self.final_matrix]53 iterations = ITERATIONS_SIZE54 step_size = 155 deleted_rows = []56 while step_size != 0:57 for i in range(step_size):58 delete_row = matrix.pop(random.randint(0, len(matrix) - 1))59 self.combination_matrix.uncover_solution_row(delete_row)60 deleted_rows.append(delete_row)61 LOG.debug("I'm trying solution with size %s and %s iterations",62 len(matrix), iterations)63 matrix, is_better_solution = self.find_better_solution(iterations, matrix)64 if is_better_solution:65 self.final_matrix = matrix[:]66 deleted_rows = []67 step_size *= 268 LOG.debug("-----solution with size %s was found-----\n",69 len(matrix))70 iterations = ITERATIONS_SIZE71 else:72 LOG.debug("-----solution with size %s was not found-----\n",73 len(matrix))74 for i in range(step_size):75 self.combination_matrix.cover_solution_row(deleted_rows[i])76 matrix.append(deleted_rows[i])77 if step_size > 1:78 step_size = 179 else:80 step_size = 081 return self.final_matrix82 def find_better_solution(self, counter, matrix):83 """84 Changing the matrix to cover all combinations85 :param counter: maximum number of changes in the matrix86 :param matrix: matrix to be changed87 :return: new matrix and is changes have been successful?88 """89 while self.combination_matrix.total_uncovered != 0:90 LOG.debug(self.__throbber.render(), extra={"skip_newline": True})91 solution, row_index, _ = self.use_random_algorithm(matrix)92 if len(solution) != 0:93 self.combination_matrix.uncover_solution_row(matrix[row_index])94 self.combination_matrix.cover_solution_row(solution)95 matrix[row_index] = solution96 if counter == 0:97 return matrix, False98 counter -= 199 return matrix, True100 def use_random_algorithm(self, matrix):101 """102 Applies one of these algorithms to the matrix.103 It chooses algorithm by random in proportion 1:1:8104 :param matrix: matrix to be changed105 :return: new row of matrix, index of row inside matrix and parameters which has been changed106 """107 switch = random.randint(0, 9)108 if switch == 0:...`

test_combinationMatrix.py

Source:test_combinationMatrix.py

`...39 (0, 3): CombinationRow(self.data, self.t_value, (0, 3)),40 (1, 2): CombinationRow(self.data, self.t_value, (1, 2)),41 (1, 3): CombinationRow(self.data, self.t_value, (1, 3)),42 (2, 3): CombinationRow(self.data, self.t_value, (2, 3))}43 def test_cover_solution_row(self):44 solution_row = [1, 0, 2, 3]45 excepted_uncovered = 5746 excepted_covered_more_than_ones = 047 excepted_uncovered_row_size = 648 self.excepted_hash_table[0, 1].cover_cell((1, 0))49 self.excepted_hash_table[0, 2].cover_cell((1, 2))50 self.excepted_hash_table[0, 3].cover_cell((1, 3))51 self.excepted_hash_table[1, 2].cover_cell((0, 2))52 self.excepted_hash_table[1, 3].cover_cell((0, 3))53 self.excepted_hash_table[2, 3].cover_cell((2, 3))54 self.matrix.cover_solution_row(solution_row)55 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")56 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,57 "Total uovered_more_than_ones number is wrong.")58 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),59 "Matrix has wrong uncovered row size")60 for key in self.matrix.hash_table:61 with self.subTest(combination=key):62 self.assertTrue(combination_row_equals(self.matrix.hash_table[key], self.excepted_hash_table[key]))63 solution_row = [0, 0, 2, 3]64 self.matrix.cover_solution_row(solution_row)65 solution_row = [0, 1, 2, 3]66 self.matrix.cover_solution_row(solution_row)67 solution_row = [0, 2, 2, 3]68 self.matrix.cover_solution_row(solution_row)69 solution_row = [1, 1, 2, 3]70 self.matrix.cover_solution_row(solution_row)71 solution_row = [1, 2, 2, 3]72 self.matrix.cover_solution_row(solution_row)73 solution_row = [2, 0, 2, 3]74 self.matrix.cover_solution_row(solution_row)75 solution_row = [2, 1, 2, 3]76 self.matrix.cover_solution_row(solution_row)77 solution_row = [2, 2, 2, 3]78 self.matrix.cover_solution_row(solution_row)79 excepted_uncovered_row_size = 580 excepted_uncovered = 4181 excepted_covered_more_than_ones = 1382 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")83 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,84 "Total uovered_more_than_ones number is wrong.")85 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),86 "Matrix has wrong uncovered row size")87 def test_cover_combination(self):88 solution_row = [1, 0, 2, 3]89 self.matrix.cover_combination(solution_row, (1, 0))90 excepted_uncovered_row_size = 691 excepted_uncovered = 5892 excepted_covered_more_than_ones = 093 self.excepted_hash_table[0, 1].cover_cell((1, 0))94 self.excepted_hash_table[0, 2].cover_cell((1, 2))95 self.excepted_hash_table[0, 3].cover_cell((1, 3))96 self.excepted_hash_table[1, 2].cover_cell((0, 2))97 self.excepted_hash_table[1, 3].cover_cell((0, 3))98 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")99 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,100 "Total uovered_more_than_ones number is wrong.")101 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),102 "Matrix has wrong uncovered row size")103 for key in self.matrix.hash_table:104 with self.subTest(combination=key):105 self.assertTrue(combination_row_equals(self.matrix.hash_table[key], self.excepted_hash_table[key]))106 self.matrix.cover_combination(solution_row, (1, 0))107 excepted_covered_more_than_ones = 5108 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")109 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,110 "Total uovered_more_than_ones number is wrong.")111 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),112 "Matrix has wrong uncovered row size")113 def test_uncover_solution_row(self):114 solution_row = [1, 0, 2, 3]115 self.matrix.cover_solution_row(solution_row)116 self.matrix.uncover_solution_row(solution_row)117 excepted_uncovered_row_size = 6118 excepted_uncovered = 63119 excepted_covered_more_than_ones = 0120 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")121 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,122 "Total uovered_more_than_ones number is wrong.")123 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),124 "Matrix has wrong uncovered row size")125 for key in self.matrix.hash_table:126 with self.subTest(combination=key):127 self.assertTrue(combination_row_equals(self.matrix.hash_table[key], self.excepted_hash_table[key]))128 self.matrix.cover_solution_row(solution_row)129 self.matrix.cover_solution_row(solution_row)130 self.excepted_hash_table[0, 1].cover_cell((1, 0))131 self.excepted_hash_table[0, 2].cover_cell((1, 2))132 self.excepted_hash_table[0, 3].cover_cell((1, 3))133 self.excepted_hash_table[1, 2].cover_cell((0, 2))134 self.excepted_hash_table[1, 3].cover_cell((0, 3))135 self.excepted_hash_table[2, 3].cover_cell((2, 3))136 self.matrix.uncover_solution_row(solution_row)137 excepted_uncovered_row_size = 6138 excepted_uncovered = 57139 excepted_covered_more_than_ones = 0140 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")141 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,142 "Total uovered_more_than_ones number is wrong.")143 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),144 "Matrix has wrong uncovered row size")145 for key in self.matrix.hash_table:146 with self.subTest(combination=key):147 self.assertTrue(combination_row_equals(self.matrix.hash_table[key], self.excepted_hash_table[key]))148 def test_uncover_combination(self):149 solution_row = [1, 0, 2, 3]150 self.matrix.cover_solution_row(solution_row)151 excepted_uncovered_row_size = 6152 excepted_uncovered = 62153 excepted_covered_more_than_ones = 0154 self.excepted_hash_table[2, 3].cover_cell((2, 3))155 self.matrix.uncover_combination(solution_row, (0, 1))156 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")157 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,158 "Total uovered_more_than_ones number is wrong.")159 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),160 "Matrix has wrong uncovered row size")161 for key in self.matrix.hash_table:162 with self.subTest(combination=key):163 self.assertTrue(combination_row_equals(self.matrix.hash_table[key], self.excepted_hash_table[key]))164 def test_uncover(self):165 solution_row = [1, 0, 2, 3]166 self.matrix.cover_solution_row(solution_row)167 self.matrix.cover_solution_row(solution_row)168 excepted_uncovered_row_size = 6169 excepted_uncovered = 63170 excepted_covered_more_than_ones = 0171 self.matrix.uncover()172 self.assertEqual(excepted_uncovered, self.matrix.total_uncovered, "Total uncovered number is wrong.")173 self.assertEqual(excepted_covered_more_than_ones, self.matrix.total_covered_more_than_ones,174 "Total uovered_more_than_ones number is wrong.")175 self.assertEqual(excepted_uncovered_row_size, len(self.matrix.uncovered_rows),176 "Matrix has wrong uncovered row size")177 for key in self.matrix.hash_table:178 with self.subTest(combination=key):...`

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