def test_question_parsing(self):
def format_question(q, n, var_type):
return "\"{}\" {}: {}".format(q, n, var_type)
question = "Did you sell a house in 2010?"
name = "hasSoldHouse"
q_type = AST.BoolTypeNode()
q_str = format_question(question, name, "boolean")
test_node = AST.QuestionNode(question, name, q_type)
self.validate_node(self.q_parser, q_str, test_node)
question = "Did you sell a house in 2010?"
q_type = AST.IntTypeNode()
q_str = format_question(question, name, "integer")
test_node = AST.QuestionNode(question, name, q_type)
self.validate_node(self.q_parser, q_str, test_node)
question = "question?"
name = "decimalVar"
q_type = AST.DecimalTypeNode()
q_str = format_question(question, name, "decimal")
test_node = AST.QuestionNode(question, name, q_type)
self.validate_node(self.q_parser, q_str, test_node)
question_str = "name: \"question?\" boolean "
self.check_parse_exception(self.q_parser, question_str,
pp.ParseException)
question_str = "\"question\" name boolean "
self.check_parse_exception(self.q_parser, question_str,
pp.ParseException)
question_str = "\"question?\" boolean: name"
self.check_parse_exception(self.q_parser, question_str,
pp.ParseException)
def testUndefinedExpr(self):
expr = "var * 10"
self.env.add_var(AST.QuestionNode("q", AST.VarNode("var"), "money"))
parse_res = self.exp_parser.parseString(expr, parseAll=True)[0]
self.assertEqual(parse_res.accept(self.evaluator), Undefined)
self.env.set_var_value("var", decimal.Decimal("10"))
self.assertEqual(parse_res.accept(self.evaluator),
decimal.Decimal("100"))
self.env.clear_env()
def test_conditionalIfElse(self):
if_expr = AST.VarNode("var")
if_block_question = AST.QuestionNode("q?", "var", AST.BoolTypeNode())
if_block = AST.BlockNode([if_block_question])
if_else_cond = AST.IfElseNode(if_expr, if_block, if_block)
parse_str = 'if (var) { "q?" var : boolean } else { "q?" var : boolean}'
self.validate_node(self.cond_parser, parse_str, if_else_cond)
self.check_parse_exception(self.cond_parser, 'if (var) {',
pp.ParseException)
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)
