def test_missing_ground_node_target(self):
expression = Expression()
expression.add_node(1, Node(NodeType.START))
expression.add_node(2, Node(NodeType.FINISH))
expression.add_node(3, Node(NodeType.GROUND))
expression.add_edge(1, 2)
with self.assertRaises(RuntimeError):
validator.check_invalid_connections(expression)
def test_missing_finish_node_source(self):
expression = Expression()
expression.add_node(1, Node(NodeType.START))
expression.add_node(2, Node(NodeType.FINISH))
expression.add_node(3, Node(NodeType.ERROR, 'error'))
expression.add_edge(1, 3)
with self.assertRaises(RuntimeError):
validator.check_invalid_connections(expression)
def test_missing_token_node_source(self):
expression = Expression()
expression.add_node(1, Node(NodeType.START))
expression.add_node(2, Node(NodeType.FINISH))
expression.add_node(3, Node(NodeType.TOKEN, 'token'))
expression.add_edge(1, 2)
expression.add_edge(3, 2)
with self.assertRaises(RuntimeError):
validator.check_invalid_connections(expression)
def test_missing_operation_node_target(self):
expression = Expression()
expression.add_node(1, Node(NodeType.START))
expression.add_node(2, Node(NodeType.FINISH))
expression.add_node(3, Node(NodeType.OPERATION, 'operation'))
expression.add_edge(1, 2)
expression.add_edge(1, 3)
with self.assertRaises(RuntimeError):
validator.check_invalid_connections(expression)
def test_invalid_start_node_source(self):
expression = Expression()
expression.add_node(1, Node(NodeType.START))
expression.add_node(2, Node(NodeType.FINISH))
expression.add_node(3, Node(NodeType.GROUND))
expression.add_edge(1, 2)
expression.add_edge(3, 1)
with self.assertRaises(RuntimeError):
validator.check_invalid_connections(expression)