from _decimal import Decimal
import unittest

from pyson.ObjectMapper import ObjectMapper

from geniusweb.issuevalue.NumberValue import NumberValue
from geniusweb.issuevalue.Value import Value


class NumberValueTest(unittest.TestCase):
    pyson=ObjectMapper()
    val = NumberValue(Decimal('0.1237'))
    val2 = NumberValue(Decimal('2'))
    valjson = 0.1237

    def testSerialize(self):
        print(str(self.pyson.toJson(self.val)))
        self.assertEqual(self.valjson, self.pyson.toJson(self.val))
        
    def testDeserialize(self):
        self.assertEqual(self.val, self.pyson.parse(self.valjson, Value))
        
    def testSerialize2(self):
        print(str(self.pyson.toJson(NumberValue(Decimal("900")))))
        
    def testNonDecimal(self):
        self.assertRaises(ValueError, lambda:NumberValue(1200))

    def testHash(self):
        self.assertEqual(self.val,self.val)
        self.assertNotEqual(self.val,self.val2)
        self.assertNotEqual(hash(self.val), hash(self.val2))
        
    def testRepr(self):
        self.assertEqual('2', repr(self.val2))