chia-blockchain/tests/clvm/test_program.py
2022-07-15 13:11:56 -05:00

70 lines
2.5 KiB
Python

from unittest import TestCase
from chia.types.blockchain_format.program import Program
from clvm.EvalError import EvalError
from clvm_tools.curry import uncurry
from clvm.operators import KEYWORD_TO_ATOM
from clvm_tools.binutils import assemble, disassemble
class TestProgram(TestCase):
def test_at(self):
p = Program.to([10, 20, 30, [15, 17], 40, 50])
self.assertEqual(p.first(), p.at("f"))
self.assertEqual(Program.to(10), p.at("f"))
self.assertEqual(p.rest(), p.at("r"))
self.assertEqual(Program.to([20, 30, [15, 17], 40, 50]), p.at("r"))
self.assertEqual(p.rest().rest().rest().first().rest().first(), p.at("rrrfrf"))
self.assertEqual(Program.to(17), p.at("rrrfrf"))
self.assertRaises(ValueError, lambda: p.at("q"))
self.assertRaises(EvalError, lambda: p.at("ff"))
def test_replace(self):
p1 = Program.to([100, 200, 300])
self.assertEqual(p1.replace(f=105), Program.to([105, 200, 300]))
self.assertEqual(p1.replace(rrf=[301, 302]), Program.to([100, 200, [301, 302]]))
self.assertEqual(p1.replace(f=105, rrf=[301, 302]), Program.to([105, 200, [301, 302]]))
self.assertEqual(p1.replace(f=100, r=200), Program.to((100, 200)))
def test_replace_conflicts(self):
p1 = Program.to([100, 200, 300])
self.assertRaises(ValueError, lambda: p1.replace(rr=105, rrf=200))
def test_replace_conflicting_paths(self):
p1 = Program.to([100, 200, 300])
self.assertRaises(ValueError, lambda: p1.replace(ff=105))
def test_replace_bad_path(self):
p1 = Program.to([100, 200, 300])
self.assertRaises(ValueError, lambda: p1.replace(q=105))
self.assertRaises(ValueError, lambda: p1.replace(rq=105))
def check_idempotency(f, *args):
prg = Program.to(f)
curried = prg.curry(*args)
r = disassemble(curried)
f_0, args_0 = uncurry(curried)
assert disassemble(f_0) == disassemble(f)
assert disassemble(args_0) == disassemble(Program.to(list(args)))
return r
def test_curry_uncurry():
PLUS = KEYWORD_TO_ATOM["+"][0]
f = assemble("(+ 2 5)")
actual_disassembly = check_idempotency(f, 200, 30)
assert actual_disassembly == f"(a (q {PLUS} 2 5) (c (q . 200) (c (q . 30) 1)))"
f = assemble("(+ 2 5)")
args = assemble("(+ (q . 50) (q . 60))")
# passing "args" here wraps the arguments in a list
actual_disassembly = check_idempotency(f, args)
assert actual_disassembly == f"(a (q {PLUS} 2 5) (c (q {PLUS} (q . 50) (q . 60)) 1))"