def test_cmp_ok(self, result):
other: Result[int, int] = OK(1)
assert result.ok < other.ok
assert result != other
assert result < other
assert result <= other
assert result <= OK(result.ok)
assert other > result
assert other >= result
assert other >= OK(other.ok)
def test_map(self, result):
ok = "ok"
assert not isinstance(result.ok, type(ok))
other = result.map(lambda v: ok)
assert other != result
assert other == OK(ok)
def test_bind_ok(self, result):
ok: Result[str, str] = OK("ok")
assert result.ok != ok.ok
other = result.bind(lambda v: ok)
assert other != result
assert other == ok
def test_cmp_ok(self, result, value):
other: Result[int, int] = OK(value)
assert result.error == other.ok
assert result != other
assert result > other
assert result >= other
assert other < result
assert other <= result
def test_eq(self, result, value):
assert (result == value) is False
assert (value == result) is False
assert (result != value) is True
assert (value != result) is True
ok: Result[int, int] = OK(value)
assert (result == ok) is True
assert (ok == result) is True
assert (result != ok) is False
assert (ok != result) is False
err: Result[int, int] = Error(value)
assert (result == err) is False
assert (err == result) is False
assert (result != err) is True
assert (err != result) is True
def test_flatten2(self, result):
nested: Result[Result, Result] = OK(OK(result))
assert nested != result
assert nested.flatten() == result
assert nested.flatten() == result.flatten()
assert nested.flatten() == nested.join()
def result(self, value):
return OK(value)
def test_bad_nesting(self, result):
with pytest.raises(TypeError):
OK(result)