Exemplo n.º 1
0
    def test_binops(self):
        binop1 = ["1000", ">", "100.0"]
        binop_node1 = AST.GTNode(AST.IntNode(int(binop1[0])),
                                 AST.DecimalNode(Decimal(binop1[2])))
        self.validate_node(self.exp_parser, "".join(binop1), binop_node1)

        binop2 = binop1 + ["==", "true"]
        binop_node2 = AST.EqNode(binop_node1, AST.BoolNode(True))
        self.validate_node(self.exp_parser, "".join(binop2), binop_node2)

        # (100 + var) * (true) + "String"
        lit_bool = AST.BoolNode(True)
        lit_int = AST.IntNode(int("100"))
        lit_var = AST.VarNode("var")
        lit_string = AST.StringNode("String")

        binop_node3 = AST.AddNode(lit_int, lit_var)
        binop_node3 = AST.MulNode(binop_node3, lit_bool)
        binop_node3 = AST.AddNode(binop_node3, lit_string)
        self.validate_node(self.exp_parser, "(100 + var) * true + \"String\"",
                           binop_node3)

        self.check_parse_exception(self.exp_parser, '20 +', pp.ParseException)
        self.check_parse_exception(self.exp_parser, '20 ** 30',
                                   pp.ParseException)
        self.check_parse_exception(self.exp_parser, '30 // 40',
                                   pp.ParseException)
Exemplo n.º 2
0
    def test_parse_form(self):
        form1 = """
                form TestForm {
                    "question1?" var1 : money
                    if (var1 > 200) {
                        "question2?" var2 : string
                    }
                }
                """

        q1 = AST.QuestionNode("question1?", "var1", AST.MoneyTypeNode())
        q2 = AST.QuestionNode("question2?", "var2", AST.StringTypeNode())
        expr = AST.GTNode(AST.VarNode("var1"), AST.IntNode(int("200")))
        if_block = AST.IfNode(expr, AST.BlockNode([q2]))
        form_block = AST.BlockNode([q1, if_block])
        form_node = AST.FormNode("TestForm", form_block)
        form_node = AST.QuestionnaireAST(form_node)
        self.validate_node(self.parser.grammar, form1, form_node)

        form2 = """
                form TestForm {
                    "question1?" var1 : money
                    if (var1 > 200) {
                        "question2?" var2 : string
                    }
                    else {
                        "question1?" var1 : money
                    }
                    "question2?" var2 : string
                }
                """

        if_else_block = AST.IfElseNode(expr, AST.BlockNode([q2]),
                                       AST.BlockNode([q1]))
        form_block2 = AST.BlockNode([q1, if_else_block, q2])
        form_node = AST.FormNode("TestForm", form_block2)
        form_node = AST.QuestionnaireAST(form_node)
        self.validate_node(self.parser.grammar, form2, form_node)