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Several more assertions for mixed-types NU.__init__

pull/830/head
Kieran Prasch 2019-03-17 10:57:10 -07:00
parent 43da620732
commit 24d346069d
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1 changed files with 20 additions and 6 deletions
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26
tests/blockchain/eth/interfaces/test_blockchain_utils.py
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@ -1,4 +1,4 @@
from decimal import InvalidOperation
from decimal import InvalidOperation, Decimal
import pytest
from web3 import Web3
@ -24,16 +24,21 @@ def test_NU():
assert MIN_ALLOWED_LOCKED == int(min_allowed_locked.to_nu_wei())
assert str(min_allowed_locked) == '15000 NU'
# Alternate construction
assert NU(1, 'NU') == NU('1.0', 'NU') == NU(1.0, 'NU')
# Arithmetic
# whole numbers
# NUs
one_nu = NU(1, 'NU')
zero_nu = NU(0, 'NU')
one_hundred_nu = NU(100, 'NU')
two_hundred_nu = NU(200, 'NU')
three_hundred_nu = NU(300, 'NU')
# Nits
one_nu_wei = NU(1, 'NUWei')
assert one_nu_wei.to_tokens() == Decimal('1E-18')
# Base Operations
assert one_hundred_nu < two_hundred_nu < three_hundred_nu
@ -52,11 +57,20 @@ def test_NU():
expected = 0.999999999999999999
assert actual == expected
# Problems with floats:
# 3.14 NU should be 3_140_000_000_000_000_000 NUWei
# 3.14 NU is 3_140_000_000_000_000_000 NUWei
pi_nuweis = NU(3.14, 'NU')
assert pi_nuweis.to_nu_wei() == NU(3_140_000_000_000_000_000, 'NUWei')
assert NU('3.14', 'NU') == pi_nuweis.to_nu_wei() == NU(3_140_000_000_000_000_000, 'NUWei')
# Mixed type operations
difference = NU('3.14159265', 'NU') - NU(1.1, 'NU')
assert difference == NU('2.04159265', 'NU')
result = difference + one_nu_wei
assert result == NU(2041592650000000001, 'NUWei')
# Similar to stake read + metadata operations in Miner
collection = [one_hundred_nu, two_hundred_nu, three_hundred_nu]
assert sum(collection) == NU('600', 'NU') == NU(600, 'NU') == NU(600.0, 'NU') == NU(600e+18, 'NUWei')
#
# Invalid Inputs