File size: 4,017 Bytes
455a40f
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
# 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.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)

    def test_instantiate_from_dict(self):
        x = ModelOutputTest({"a": 30, "b": 10})
        self.assertEqual(list(x.keys()), ["a", "b"])
        self.assertEqual(x.a, 30)
        self.assertEqual(x.b, 10)

    def test_instantiate_from_iterator(self):
        x = ModelOutputTest([("a", 30), ("b", 10)])
        self.assertEqual(list(x.keys()), ["a", "b"])
        self.assertEqual(x.a, 30)
        self.assertEqual(x.b, 10)

        with self.assertRaises(ValueError):
            _ = ModelOutputTest([("a", 30), (10, 10)])

        x = ModelOutputTest(a=(30, 30))
        self.assertEqual(list(x.keys()), ["a"])
        self.assertEqual(x.a, (30, 30))