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)