def test_preprocess_horizontal_for_coverage(self):
preprocessor = BlockBlockPreprocessor()
data = '7X94X85X64XXXX69X7X6X79X4839X46XX87587XX4' \
'X692625987341396871254XXX264739247359168'
layer = Layer(data, SOLUTION)
layer = LineBlockPreprocessor().preprocess(layer)
self.assertEquals(layer._candidates[1], set(['1', '3']))
self.assertEquals(layer._candidates[10], set(['1', '3', '5', '8']))
self.assertEquals(layer._candidates[11], set(['1', '2', '3', '8']))
layer = preprocessor.preprocess(layer)
self.assertEquals(layer._candidates[1], set(['3']))
self.assertEquals(layer._candidates[10], set(['3', '5', '8']))
self.assertEquals(layer._candidates[11], set(['2', '3', '8']))
data = data[::-1]
layer = Layer(data, SOLUTION)
layer = LineBlockPreprocessor().preprocess(layer)
self.assertEquals(layer._candidates[79], set(['1', '3']))
self.assertEquals(layer._candidates[70], set(['1', '3', '5', '8']))
self.assertEquals(layer._candidates[69], set(['1', '2', '3', '8']))
layer = preprocessor.preprocess(layer)
self.assertEquals(layer._candidates[79], set(['3']))
self.assertEquals(layer._candidates[70], set(['3', '5', '8']))
self.assertEquals(layer._candidates[69], set(['2', '3', '8']))
def test_preprocess_vertical(self):
preprocessor = BlockBlockPreprocessor()
data = '29X7X5X481XX6892738X7X249X5XXX2X1XXXXX24X' \
'68XX6X98X342X9XX5X2XX44XXXX8X92321947586'
layer = Layer(data, SOLUTION)
layer = LineBlockPreprocessor().preprocess(layer)
layer = LineBlockPreprocessor().preprocess(layer)
self.assertEquals(layer._candidates[28], set(['3', '4', '5', '8']))
self.assertEquals(layer._candidates[29], set(['3', '4', '5', '8']))
self.assertEquals(layer._candidates[37], set(['1', '3', '5']))
self.assertEquals(layer._candidates[46], set(['1', '5']))
layer = preprocessor.preprocess(layer)
self.assertEquals(layer._candidates[28], set(['3', '4', '8']))
self.assertEquals(layer._candidates[29], set(['3', '4', '8']))
self.assertEquals(layer._candidates[37], set(['1', '3']))
self.assertEquals(layer._candidates[46], set(['1']))
def test_preprocess_horizontal(self):
preprocessor = BlockBlockPreprocessor()
data = 'XX5X7X89XX198X2XX5487XXXXX2XX3XXX5X8954X8' \
'XX26XX8XXX9XX541798263732465189896X2X457'
layer = Layer(data, SOLUTION)
self.assertEquals(layer._candidates[30], set(['1', '2', '6', '9']))
self.assertEquals(layer._candidates[31], set(['1', '4']))
self.assertEquals(layer._candidates[32], set(['1', '4', '6',
'7', '9']))
self.assertEquals(layer._candidates[48], set(['1', '2', '3',
'5', '6']))
self.assertEquals(layer._candidates[49], set(['1', '3', '4', '5']))
self.assertEquals(layer._candidates[50], set(['1', '3', '4',
'6', '7']))
layer = preprocessor.preprocess(layer)
self.assertEquals(layer._candidates[30], set(['2', '6', '9']))
self.assertEquals(layer._candidates[31], set(['4']))
self.assertEquals(layer._candidates[32], set(['4', '6', '7', '9']))
self.assertEquals(layer._candidates[48], set(['2', '3', '5', '6']))
self.assertEquals(layer._candidates[49], set(['3', '4', '5']))
self.assertEquals(layer._candidates[50], set(['3', '4', '6', '7']))