def test_initialize_database_2():
"""
Test initializing a Database with a specific target.
"""
_db = Database()
assert _db.pos == []
assert _db.neg == []
assert _db.facts == []
def test_initialize_database_1():
"""
Test initializing a Database with defualt settings.
"""
_db = Database()
assert _db.pos == []
assert _db.neg == []
assert _db.facts == []
def test_write_to_location_2(tmpdir):
"""
Test that predicates are written to files in a target location with pos = [] syntax.
"""
_db = Database()
_db.pos = ["a(b)."]
_db.neg = ["a(c)."]
_db.facts = ["d(b,c)."]
_db.write(filename="train", location=pathlib.Path(tmpdir))
assert tmpdir.join("train_pos.txt").read() == "a(b).\n"
assert tmpdir.join("train_neg.txt").read() == "a(c).\n"
assert tmpdir.join("train_facts.txt").read() == "d(b,c).\n"