def test_arithmetic_expr(self):
self.check_good_expression("10 * 20", AST.IntTypeNode())
self.check_good_expression("10.0 * 20", AST.DecimalTypeNode())
self.check_good_expression("10 + 20", AST.IntTypeNode())
self.check_good_expression("10.0 + 20", AST.DecimalTypeNode())
self.check_good_expression("\"abc\" + \"def\"", AST.StringTypeNode())
self.check_bad_expression("10 * \"abc\"", 0, 1)
self.check_bad_expression("10 + true", 0, 1)
self.check_bad_expression("10 + \"abc\"", 0, 1)
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)
def string_node(_):
return AST.StringTypeNode()