def testFindHiddenSingles(self):
board = Board()
board.boardFromString(self.NAKED_SINGLES)
easySolver = EasySolver(board)
singles = easySolver.findHiddenSingles()
# Check we found all the expected results
assert(len(singles) == 6)
# Validate the value of the single found
assert((5, 5) in singles)
assert(singles[(5, 5)] == '3')
assert((7, 6) in singles)
assert(singles[(7, 6)] == '3')
assert((3, 6) in singles)
assert(singles[(3, 6)] == '5')
assert((2, 0) in singles)
assert(singles[(2, 0)] == '6')
assert((8, 7) in singles)
assert(singles[(8, 7)] == '7')
assert((4, 1) in singles)
assert(singles[(4, 1)] == '7')
