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# coding=utf-8
# Copyright 2024 HuggingFace Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import unittest
import pytest
from diffusers import __version__
from diffusers.utils import deprecate
from diffusers.utils.testing_utils import str_to_bool
# Used to test the hub
USER = "__DUMMY_TRANSFORMERS_USER__"
ENDPOINT_STAGING = "https://hub-ci.huggingface.co"
# Not critical, only usable on the sandboxed CI instance.
TOKEN = "hf_94wBhPGp6KrrTH3KDchhKpRxZwd6dmHWLL"
class DeprecateTester(unittest.TestCase):
higher_version = ".".join([str(int(__version__.split(".")[0]) + 1)] + __version__.split(".")[1:])
lower_version = "0.0.1"
def test_deprecate_function_arg(self):
kwargs = {"deprecated_arg": 4}
with self.assertWarns(FutureWarning) as warning:
output = deprecate("deprecated_arg", self.higher_version, "message", take_from=kwargs)
assert output == 4
assert (
str(warning.warning)
== f"The `deprecated_arg` argument is deprecated and will be removed in version {self.higher_version}."
" message"
)
def test_deprecate_function_arg_tuple(self):
kwargs = {"deprecated_arg": 4}
with self.assertWarns(FutureWarning) as warning:
output = deprecate(("deprecated_arg", self.higher_version, "message"), take_from=kwargs)
assert output == 4
assert (
str(warning.warning)
== f"The `deprecated_arg` argument is deprecated and will be removed in version {self.higher_version}."
" message"
)
def test_deprecate_function_args(self):
kwargs = {"deprecated_arg_1": 4, "deprecated_arg_2": 8}
with self.assertWarns(FutureWarning) as warning:
output_1, output_2 = deprecate(
("deprecated_arg_1", self.higher_version, "Hey"),
("deprecated_arg_2", self.higher_version, "Hey"),
take_from=kwargs,
)
assert output_1 == 4
assert output_2 == 8
assert (
str(warning.warnings[0].message)
== "The `deprecated_arg_1` argument is deprecated and will be removed in version"
f" {self.higher_version}. Hey"
)
assert (
str(warning.warnings[1].message)
== "The `deprecated_arg_2` argument is deprecated and will be removed in version"
f" {self.higher_version}. Hey"
)
def test_deprecate_function_incorrect_arg(self):
kwargs = {"deprecated_arg": 4}
with self.assertRaises(TypeError) as error:
deprecate(("wrong_arg", self.higher_version, "message"), take_from=kwargs)
assert "test_deprecate_function_incorrect_arg in" in str(error.exception)
assert "line" in str(error.exception)
assert "got an unexpected keyword argument `deprecated_arg`" in str(error.exception)
def test_deprecate_arg_no_kwarg(self):
with self.assertWarns(FutureWarning) as warning:
deprecate(("deprecated_arg", self.higher_version, "message"))
assert (
str(warning.warning)
== f"`deprecated_arg` is deprecated and will be removed in version {self.higher_version}. message"
)
def test_deprecate_args_no_kwarg(self):
with self.assertWarns(FutureWarning) as warning:
deprecate(
("deprecated_arg_1", self.higher_version, "Hey"),
("deprecated_arg_2", self.higher_version, "Hey"),
)
assert (
str(warning.warnings[0].message)
== f"`deprecated_arg_1` is deprecated and will be removed in version {self.higher_version}. Hey"
)
assert (
str(warning.warnings[1].message)
== f"`deprecated_arg_2` is deprecated and will be removed in version {self.higher_version}. Hey"
)
def test_deprecate_class_obj(self):
class Args:
arg = 5
with self.assertWarns(FutureWarning) as warning:
arg = deprecate(("arg", self.higher_version, "message"), take_from=Args())
assert arg == 5
assert (
str(warning.warning)
== f"The `arg` attribute is deprecated and will be removed in version {self.higher_version}. message"
)
def test_deprecate_class_objs(self):
class Args:
arg = 5
foo = 7
with self.assertWarns(FutureWarning) as warning:
arg_1, arg_2 = deprecate(
("arg", self.higher_version, "message"),
("foo", self.higher_version, "message"),
("does not exist", self.higher_version, "message"),
take_from=Args(),
)
assert arg_1 == 5
assert arg_2 == 7
assert (
str(warning.warning)
== f"The `arg` attribute is deprecated and will be removed in version {self.higher_version}. message"
)
assert (
str(warning.warnings[0].message)
== f"The `arg` attribute is deprecated and will be removed in version {self.higher_version}. message"
)
assert (
str(warning.warnings[1].message)
== f"The `foo` attribute is deprecated and will be removed in version {self.higher_version}. message"
)
def test_deprecate_incorrect_version(self):
kwargs = {"deprecated_arg": 4}
with self.assertRaises(ValueError) as error:
deprecate(("wrong_arg", self.lower_version, "message"), take_from=kwargs)
assert (
str(error.exception)
== "The deprecation tuple ('wrong_arg', '0.0.1', 'message') should be removed since diffusers' version"
f" {__version__} is >= {self.lower_version}"
)
def test_deprecate_incorrect_no_standard_warn(self):
with self.assertWarns(FutureWarning) as warning:
deprecate(("deprecated_arg", self.higher_version, "This message is better!!!"), standard_warn=False)
assert str(warning.warning) == "This message is better!!!"
def test_deprecate_stacklevel(self):
with self.assertWarns(FutureWarning) as warning:
deprecate(("deprecated_arg", self.higher_version, "This message is better!!!"), standard_warn=False)
assert str(warning.warning) == "This message is better!!!"
assert "diffusers/tests/others/test_utils.py" in warning.filename
def parse_flag_from_env(key, default=False):
try:
value = os.environ[key]
except KeyError:
# KEY isn't set, default to `default`.
_value = default
else:
# KEY is set, convert it to True or False.
try:
_value = str_to_bool(value)
except ValueError:
# More values are supported, but let's keep the message simple.
raise ValueError(f"If set, {key} must be yes or no.")
return _value
_run_staging = parse_flag_from_env("HUGGINGFACE_CO_STAGING", default=False)
def is_staging_test(test_case):
"""
Decorator marking a test as a staging test.
Those tests will run using the staging environment of huggingface.co instead of the real model hub.
"""
if not _run_staging:
return unittest.skip("test is staging test")(test_case)
else:
return pytest.mark.is_staging_test()(test_case)
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