def test_validate_not_sane_zeroes(self):
db = MockDatabase()
block1 = TriblerChainBlock()
# Act
block1.transaction = {'up': 0, 'down': 0, 'total_up': 30, 'total_down': 40}
result = block1.validate(db)
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn("Up and down are zero", result[1])
def test_validate_not_sane_negatives(self):
db = MockDatabase()
block1 = TriblerChainBlock()
# Act
block1.transaction = {'up': -10, 'down': -10, 'total_up': -20, 'total_down': -10}
result = block1.validate(db)
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn("Up field is negative", result[1])
self.assertIn("Down field is negative", result[1])
self.assertIn("Total up field is negative", result[1])
self.assertIn("Total down field is negative", result[1])
def test_validate_existing_total_up(self):
# Arrange
db = MockDatabase()
(block1, block2, block3, _) = TestBlocks.setup_validate()
db.add_block(block1)
db.add_block(block2)
db.add_block(block3)
# Act
block2 = TriblerChainBlock(block2.pack_db_insert())
block2.transaction["total_up"] += 10
block2.sign(db.get(block2.public_key, block2.sequence_number).key)
result = block2.validate(db)
# Assert
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn('Total up is higher than expected compared to the next block', result[1])