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# coding=utf-8
# Copyright 2020 The Hugging Face Team.
#
# 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 unittest
from dataclasses import dataclass
from typing import Optional
from transformers.file_utils import ModelOutput
@dataclass
class ModelOutputTest(ModelOutput):
a: float
b: Optional[float] = None
c: Optional[float] = None
class ModelOutputTester(unittest.TestCase):
def test_get_attributes(self):
x = ModelOutputTest(a=30)
self.assertEqual(x.a, 30)
self.assertIsNone(x.b)
self.assertIsNone(x.c)
with self.assertRaises(AttributeError):
_ = x.d
def test_index_with_ints_and_slices(self):
x = ModelOutputTest(a=30, b=10)
self.assertEqual(x[0], 30)
self.assertEqual(x[1], 10)
self.assertEqual(x[:2], (30, 10))
self.assertEqual(x[:], (30, 10))
x = ModelOutputTest(a=30, c=10)
self.assertEqual(x[0], 30)
self.assertEqual(x[1], 10)
self.assertEqual(x[:2], (30, 10))
self.assertEqual(x[:], (30, 10))
def test_index_with_strings(self):
x = ModelOutputTest(a=30, b=10)
self.assertEqual(x["a"], 30)
self.assertEqual(x["b"], 10)
with self.assertRaises(KeyError):
_ = x["c"]
x = ModelOutputTest(a=30, c=10)
self.assertEqual(x["a"], 30)
self.assertEqual(x["c"], 10)
with self.assertRaises(KeyError):
_ = x["b"]
def test_dict_like_properties(self):
x = ModelOutputTest(a=30)
self.assertEqual(list(x.keys()), ["a"])
self.assertEqual(list(x.values()), [30])
self.assertEqual(list(x.items()), [("a", 30)])
self.assertEqual(list(x), ["a"])
x = ModelOutputTest(a=30, b=10)
self.assertEqual(list(x.keys()), ["a", "b"])
self.assertEqual(list(x.values()), [30, 10])
self.assertEqual(list(x.items()), [("a", 30), ("b", 10)])
self.assertEqual(list(x), ["a", "b"])
x = ModelOutputTest(a=30, c=10)
self.assertEqual(list(x.keys()), ["a", "c"])
self.assertEqual(list(x.values()), [30, 10])
self.assertEqual(list(x.items()), [("a", 30), ("c", 10)])
self.assertEqual(list(x), ["a", "c"])
with self.assertRaises(Exception):
x = x.update({"d": 20})
with self.assertRaises(Exception):
del x["a"]
with self.assertRaises(Exception):
_ = x.pop("a")
with self.assertRaises(Exception):
_ = x.setdefault("d", 32)
def test_set_attributes(self):
x = ModelOutputTest(a=30)
x.a = 10
self.assertEqual(x.a, 10)
self.assertEqual(x["a"], 10)
def test_set_keys(self):
x = ModelOutputTest(a=30)
x["a"] = 10
self.assertEqual(x.a, 10)
self.assertEqual(x["a"], 10)
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