def test_easy_puzzle(self):
solver = SudokuSolver("puzzles/9x9_easy.csv")
expected = self.loadSolution("puzzles/9x9_easy_solution.csv")
actual = solver.toString(solver.solve())
self.assertEquals(expected, actual)
def test_large_puzzle(self):
solver = SudokuSolver("puzzles/25x25_hard.csv")
expected = self.loadSolution("puzzles/25x25_hard_solution.csv")
actual = solver.toString(solver.solve())
self.assertEquals(expected, actual)