def test_by_symbol():
one = Short.create(symbol="one", target="1")
two = Short.create(symbol="two", target="2")
assert Short.by_symbol("null") is None
assert Short.by_symbol("one") == one
assert Short.by_symbol("two") == two
assert Short.by_symbol("three") is None
def test_by_symbol_active():
act = Short.create(symbol="act", target="act", active=True)
ina = Short.create(symbol="ina", target="ina", active=False)
assert Short.by_symbol_active("lol") is None
assert Short.by_symbol_active("act") == act
assert Short.by_symbol_active("ina") is None
assert Short.by_symbol("ina") == ina