def test_exclude_equal_alternatives():
EEA_1ST_ROW_ALTERNATIVES = [
{1, 2, 3, 4},
{1, 2, 3, 4},
{1, 2, 3, 4},
{1, 2, 3, 4},
{1, 2, 3, 4, 5, 6},
{1, 2, 3, 4, 6, 5},
{1, 2, 3, 4, 7, 8, 9},
{1, 2, 3, 4, 8, 9, 7},
{1, 2, 3, 4, 9, 7, 8}
]
EEA_1ST_ROW_ALTERNATIVES_SOLUTION = [
{1, 2, 3, 4},
{1, 2, 3, 4},
{1, 2, 3, 4},
{1, 2, 3, 4},
{6, 5},
{6, 5},
{7, 8, 9},
{8, 9, 7},
{9, 7, 8}
]
grid_view = [[_cell_from_alternatives(EEA_1ST_ROW_ALTERNATIVES[i]) if j == 0 else Cell() for i in range(9)] for j in range(9)]
Sudoku._Sudoku__exclude_equal_alternatives(grid_view)
assert [cell._Cell__alternatives for cell in grid_view[0]] == EEA_1ST_ROW_ALTERNATIVES_SOLUTION # проверяем альтернативы в первой строке
assert all([grid_view[i][j]._Cell__alternatives == {1, 2, 3, 4, 5, 6, 7, 8, 9} for j in range(9)] for i in range(1,9)) # проверяем, что альтернативы в других строках не изменлись
