def testSimpleUVC(self):
puzzle = PuzzleFactory.createSingleConstraintPuzzle(set([1,2]), 2, UniqueValueConstraint)
cells = puzzle.grid.getCells()
cells[0].setValue(1)
self.assertEqual(cells[1].getPossibleValues(), set([2]),
"Incorrect exclusion of value")
def testSimpleTSVC(self):
"""Test the basic properties of the total sum value constraint"""
puzzle = PuzzleFactory.createSingleConstraintPuzzle(set([1,2]), 2, TotalSumValueConstraint)
for cg in puzzle.getConstraintGroups():
for constraint in cg.getConstraints():
constraint.setTotalValue(3);
constraint.applyConstraint()
possibleValues = puzzle.grid.getCells()[1].getPossibleValues()
self.assertTrue(1 in possibleValues, "Incorrectly removed value from constraint")
self.assertTrue(2 in possibleValues, "Incorrectly removed value from constraint")
puzzle.grid.getCells()[0].setValue(1)
for cg in puzzle.getConstraintGroups():
for constraint in cg.getConstraints():
constraint.applyConstraint()
possibleValues = puzzle.grid.getCells()[1].getPossibleValues()
self.assertTrue(1 not in possibleValues, "Incorrectly kept value from constraint")
self.assertTrue(2 in possibleValues, "Incorrectly removed value from constraint")
