def test_is_err_with_ok():
x = Ok(-3)
assert not x.is_err()
def test_iter_with_ok():
x = Ok(2)
assert list(iter(x)) == [2]
def test_hash_ok():
x = Ok(2)
y = Ok(2)
assert x == y
assert hash(x) == hash(y)
def test_and_with_ok_err():
x = Ok(2)
y = Err(Exception('late'))
assert x.and_(y) == Err(Exception('late'))
def test_ok_or_else_with_some():
x = Some(2)
assert x.ok_or_else(lambda: Exception('error message')) == Ok(2)
def test_err_with_ok():
x = Ok(2)
assert x.err() == Nun()
def test_map_err_with_ok():
x = Ok(2)
assert x.map_err(lambda x: type(x)(x.args[0].upper())) == x
def test_or_else_with_ok():
x = Ok(2)
assert x.or_else(lambda x: Ok(True)) == x
def test_or_else_with_err():
x = Err(Exception('error message'))
assert x.or_else(lambda x: Ok(True)) == Ok(True)
def test_or_with_ok():
x = Ok(2)
assert x.or_(Err(Exception('error message'))) == x
def test_or_with_err():
x = Err(Exception('error message'))
assert x.or_(Ok(5)) == Ok(5)
def test_and_then_with_ok_and_then_err():
x = Ok(2)
assert x.and_then(lambda x: Err(Exception(x + 1))) == Err(Exception(3))
def test_and_then_with_ok():
x = Ok(2)
assert x.and_then(lambda x: Ok(x**2)) == Ok(4)
def test_is_ok_with_ok():
x = Ok(-3)
assert x.is_ok()
def test_hash_ok_not_eq():
x = Ok(2)
y = Ok(3)
assert x != y
assert hash(x) != hash(y)
def test_unwrap_with_ok():
x = Ok(2)
assert x.unwrap() == 2
def test_ok_with_ok():
x = Ok(2)
assert x.ok() == Some(2)
def test_unwrap_or_with_ok():
x = Ok(2)
assert x.unwrap_or(0) == 2
def test_map_with_ok():
x = Ok(2)
assert x.map(lambda x: x**2) == Ok(4)
def test_unwrap_or_else_with_ok():
x = Ok(2)
assert x.unwrap_or_else(lambda x: x.args[0].upper()) == 2
def test_and_with_ok_ok():
x = Ok(2)
y = Ok(3)
assert x.and_(y) == Ok(3)
def test_unwrap_err_with_ok():
x = Ok(2)
with pytest.raises(Panic):
x.unwrap_err()
def test_and_with_err_ok():
x = Err(Exception('early'))
y = Ok(2)
assert x.and_(y) == Err(Exception('early'))
def test_ok_or_with_some():
x = Some(2)
assert x.ok_or(Exception('error message')) == Ok(2)
