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monero-python/tests/test_numbers.py

56 lines
2.2 KiB

from decimal import Decimal
import sys
import unittest
from monero.numbers import to_atomic, from_atomic, as_monero, PaymentID
class NumbersTestCase(unittest.TestCase):
def test_simple_numbers(self):
self.assertEqual(to_atomic(Decimal("0")), 0)
self.assertEqual(from_atomic(0), Decimal("0"))
self.assertEqual(to_atomic(Decimal("1")), 1000000000000)
self.assertEqual(from_atomic(1000000000000), Decimal("1"))
self.assertEqual(to_atomic(Decimal("0.000000000001")), 1)
self.assertEqual(from_atomic(1), Decimal("0.000000000001"))
def test_numeric_types(self):
"Only check if conversion of given type succeeds or fails."
self.assertTrue(to_atomic(1))
self.assertTrue(to_atomic(1.0))
if hasattr(sys, "maxint"): # Python 2.x
self.assertTrue(to_atomic(sys.maxint + 1))
self.assertRaises(ValueError, to_atomic, "1")
def test_rounding(self):
self.assertEqual(to_atomic(Decimal("1.0000000000004")), 1000000000000)
self.assertEqual(
as_monero(Decimal("1.0000000000014")), Decimal("1.000000000001")
)
def test_payment_id(self):
pid = PaymentID("0")
self.assertTrue(pid.is_short())
self.assertEqual(pid, 0)
self.assertEqual(pid, "0000000000000000")
self.assertEqual(PaymentID(pid), pid)
self.assertNotEqual(pid, None)
pid = PaymentID("abcdef")
self.assertTrue(pid.is_short())
self.assertEqual(pid, 0xABCDEF)
self.assertEqual(pid, "0000000000abcdef")
self.assertEqual(PaymentID(pid), pid)
pid = PaymentID("1234567812345678")
self.assertTrue(pid.is_short())
self.assertEqual(pid, 0x1234567812345678)
self.assertEqual(pid, "1234567812345678")
self.assertEqual(PaymentID(pid), pid)
pid = PaymentID("a1234567812345678")
self.assertFalse(pid.is_short())
self.assertEqual(pid, 0xA1234567812345678)
self.assertEqual(
pid, "00000000000000000000000000000000000000000000000a1234567812345678"
)
self.assertEqual(PaymentID(pid), pid)
self.assertRaises(ValueError, PaymentID, 2 ** 256 + 1)