def testWritesCurrentData(self):
location = MockSquare(x=1, y=1, has_nbrs=True)
out = MockFile()
knight = tour.Knight(location=location, initial_rule=self.rule)
knight.write_current_data(out)
self.assertEquals("{'square':(1,1), 'tiebreak':False}", out.s)
location = MockSquare(x=2, y=2, has_nbrs=True)
out = MockFile()
knight = tour.Knight(location=location, initial_rule=self.rule)
knight.write_current_data(out)
self.assertEquals("{'square':(2,2), 'tiebreak':False}", out.s)
def testMoveInvokesRuleOnCurrentSquare(self):
location = MockSquare(x=1, y=1, has_nbrs=True)
out = MockFile()
knight = tour.Knight(location=location, initial_rule=self.rule)
knight.move()
knight.write_current_data(out)
self.assertEquals(location, self.rule.invoked_on)
def testMoveUpdatesTiebreak(self):
location = MockSquare(x=1, y=1, has_nbrs=True)
square33 = MockSquare(x=3, y=3, has_nbrs=True)
rule2 = MockRule(new_location=square33, tiebreak=True)
knight = tour.Knight(location=location, initial_rule=rule2)
out = MockFile()
knight.move()
knight.write_current_data(out)
self.assertEquals("{'square':(3,3), 'tiebreak':True}", out.s)
def testMoveUpdatesRule(self):
location = MockSquare(x=1, y=1, has_nbrs=True)
square41 = MockSquare(x=4, y=1, has_nbrs=True)
rule2 = MockRule(new_location=square41, tiebreak=False)
rule2.next_rule = rule2
knight = tour.Knight(location=location, initial_rule=rule2)
out = MockFile()
knight.move()
knight.write_current_data(out)
self.assertEquals("{'square':(4,1), 'tiebreak':False}", out.s)
rule2.next_rule = self.rule
out = MockFile()
knight.move()
knight.write_current_data(out)
self.assertEquals("{'square':(2,1), 'tiebreak':False}", out.s)
out = MockFile()
knight.move()
knight.write_current_data(out)
self.assertEquals("{'square':(2,1), 'tiebreak':False}", out.s)
def testMoveMarksSquareVisited(self):
location = MockSquare(x=1, y=1, has_nbrs=True)
knight = tour.Knight(location=location, initial_rule=self.rule)
knight.move()
self.assertTrue(self.square21.visited)
def testMovesWhenPossible(self):
location = MockSquare(x=1, y=1, has_nbrs=True)
knight = tour.Knight(location=location, initial_rule=self.rule)
self.assertTrue(knight.move())
def testMoveReturnsFalseIfDone(self):
location = MockSquare(x=1, y=1, has_nbrs=False)
knight = tour.Knight(location=location, initial_rule=self.rule)
self.assertFalse(knight.move())