def testFindNakedSingles(self):
board = Board()
board.boardFromString(self.NAKED_SINGLES)
easySolver = EasySolver(board)
singles = easySolver.findNakedSingles()
# Check we found all the expected results
assert(len(singles) == 4)
# Validate the value of the single found
assert((0, 8) in singles)
assert(singles[(0, 8)] == '3')
assert((0, 7) in singles)
assert(singles[(0, 7)] == '5')
assert((4, 3) in singles)
assert(singles[(4, 3)] == '6')
assert((6, 6) in singles)
assert(singles[(6, 6)] == '2')
