Files
gf-core/src/runtime/python/tests/test_transactions.py
2021-09-21 23:54:55 +02:00

72 lines
1.9 KiB
Python

import pytest
from pgf import *
import math
ty = readType("(N -> N) -> P (s z)")
prob = math.pi
@pytest.fixture(scope="module")
def gr1():
return readPGF("../haskell/tests/basic.pgf")
@pytest.fixture(scope="module")
def gr2(gr1):
t = gr1.newTransaction()
t.createFunction("foo", ty, 0, prob),
t.createCategory("Q", [(BIND_TYPE_EXPLICIT, "x", ty)], prob)
assert t.commit()
return gr1
@pytest.fixture(scope="module")
def gr3():
# TODO how to avoid reloading from file?
gr1 = readPGF("../haskell/tests/basic.pgf")
with gr1.newTransaction("bar_branch") as t:
t.createFunction("bar", ty, 0, prob),
t.createCategory("R", [(BIND_TYPE_EXPLICIT, "x", ty)], prob)
return gr1
# gr1
def test_original_functions(gr1):
assert gr1.functions == ["c", "ind", "s", "z"]
def test_original_categories(gr1):
assert gr1.categories == ["Float","Int","N","P","S","String"]
def test_original_function_type(gr1):
with pytest.raises(KeyError):
gr1.functionType("foo")
def test_original_function_prob(gr1):
# with pytest.raises(KeyError):
# gr1.functionProbability("foo")
assert gr1.functionProbability("foo") == float('inf')
# gr2
def test_extended_functions(gr2):
assert gr2.functions == ["c", "foo", "ind", "s", "z"]
def test_extended_categories(gr2):
assert gr2.categories == ["Float","Int","N","P","Q","S","String"]
def test_extended_category_context(gr2):
assert gr2.categoryContext("Q") == [(BIND_TYPE_EXPLICIT, "x", ty)]
def test_extended_function_type(gr2):
assert gr2.functionType("foo") == ty
def test_extended_function_prob(gr2):
# TODO: can't we get higher precision?
# assert gr2.functionProbability("foo") == prob
assert math.isclose(gr2.functionProbability("foo"), prob, rel_tol=1e-06)
# gr3
def test_branched_functions(gr3):
assert gr3.functions == ["bar", "c", "ind", "s", "z"]
def test_branched_function_type(gr3):
assert gr3.functionType("bar") == ty