File size: 6,609 Bytes
ee6e328
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
# Copyright 2022 The HuggingFace Team. All rights reserved.
#
# 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 transformers import MODEL_FOR_VISUAL_QUESTION_ANSWERING_MAPPING, is_vision_available
from transformers.pipelines import pipeline
from transformers.testing_utils import (
    is_pipeline_test,
    is_torch_available,
    nested_simplify,
    require_tf,
    require_torch,
    require_torch_gpu,
    require_vision,
    slow,
)

from .test_pipelines_common import ANY


if is_torch_available():
    import torch


if is_vision_available():
    from PIL import Image
else:

    class Image:
        @staticmethod
        def open(*args, **kwargs):
            pass


@is_pipeline_test
@require_torch
@require_vision
class VisualQuestionAnsweringPipelineTests(unittest.TestCase):
    model_mapping = MODEL_FOR_VISUAL_QUESTION_ANSWERING_MAPPING

    def get_test_pipeline(self, model, tokenizer, processor):
        vqa_pipeline = pipeline("visual-question-answering", model="hf-internal-testing/tiny-vilt-random-vqa")
        examples = [
            {
                "image": Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png"),
                "question": "How many cats are there?",
            },
            {
                "image": "./tests/fixtures/tests_samples/COCO/000000039769.png",
                "question": "How many cats are there?",
            },
        ]
        return vqa_pipeline, examples

    def run_pipeline_test(self, vqa_pipeline, examples):
        outputs = vqa_pipeline(examples, top_k=1)
        self.assertEqual(
            outputs,
            [
                [{"score": ANY(float), "answer": ANY(str)}],
                [{"score": ANY(float), "answer": ANY(str)}],
            ],
        )

    @require_torch
    def test_small_model_pt(self):
        vqa_pipeline = pipeline("visual-question-answering", model="hf-internal-testing/tiny-vilt-random-vqa")
        image = "./tests/fixtures/tests_samples/COCO/000000039769.png"
        question = "How many cats are there?"

        outputs = vqa_pipeline(image=image, question="How many cats are there?", top_k=2)
        self.assertEqual(
            outputs, [{"score": ANY(float), "answer": ANY(str)}, {"score": ANY(float), "answer": ANY(str)}]
        )

        outputs = vqa_pipeline({"image": image, "question": question}, top_k=2)
        self.assertEqual(
            outputs, [{"score": ANY(float), "answer": ANY(str)}, {"score": ANY(float), "answer": ANY(str)}]
        )

    @require_torch
    @require_torch_gpu
    def test_small_model_pt_blip2(self):
        vqa_pipeline = pipeline(
            "visual-question-answering", model="hf-internal-testing/tiny-random-Blip2ForConditionalGeneration"
        )
        image = "./tests/fixtures/tests_samples/COCO/000000039769.png"
        question = "How many cats are there?"

        outputs = vqa_pipeline(image=image, question=question)
        self.assertEqual(outputs, [{"answer": ANY(str)}])

        outputs = vqa_pipeline({"image": image, "question": question})
        self.assertEqual(outputs, [{"answer": ANY(str)}])

        outputs = vqa_pipeline([{"image": image, "question": question}, {"image": image, "question": question}])
        self.assertEqual(outputs, [[{"answer": ANY(str)}]] * 2)

        vqa_pipeline = pipeline(
            "visual-question-answering",
            model="hf-internal-testing/tiny-random-Blip2ForConditionalGeneration",
            model_kwargs={"torch_dtype": torch.float16},
            device=0,
        )
        self.assertEqual(vqa_pipeline.model.device, torch.device(0))
        self.assertEqual(vqa_pipeline.model.language_model.dtype, torch.float16)
        self.assertEqual(vqa_pipeline.model.vision_model.dtype, torch.float16)

        outputs = vqa_pipeline(image=image, question=question)
        self.assertEqual(outputs, [{"answer": ANY(str)}])

    @slow
    @require_torch
    def test_large_model_pt(self):
        vqa_pipeline = pipeline("visual-question-answering", model="dandelin/vilt-b32-finetuned-vqa")
        image = "./tests/fixtures/tests_samples/COCO/000000039769.png"
        question = "How many cats are there?"

        outputs = vqa_pipeline(image=image, question=question, top_k=2)
        self.assertEqual(
            nested_simplify(outputs, decimals=4), [{"score": 0.8799, "answer": "2"}, {"score": 0.296, "answer": "1"}]
        )

        outputs = vqa_pipeline({"image": image, "question": question}, top_k=2)
        self.assertEqual(
            nested_simplify(outputs, decimals=4), [{"score": 0.8799, "answer": "2"}, {"score": 0.296, "answer": "1"}]
        )

        outputs = vqa_pipeline(
            [{"image": image, "question": question}, {"image": image, "question": question}], top_k=2
        )
        self.assertEqual(
            nested_simplify(outputs, decimals=4),
            [[{"score": 0.8799, "answer": "2"}, {"score": 0.296, "answer": "1"}]] * 2,
        )

    @slow
    @require_torch
    @require_torch_gpu
    def test_large_model_pt_blip2(self):
        vqa_pipeline = pipeline(
            "visual-question-answering",
            model="Salesforce/blip2-opt-2.7b",
            model_kwargs={"torch_dtype": torch.float16},
            device=0,
        )
        self.assertEqual(vqa_pipeline.model.device, torch.device(0))
        self.assertEqual(vqa_pipeline.model.language_model.dtype, torch.float16)

        image = "./tests/fixtures/tests_samples/COCO/000000039769.png"
        question = "Question: how many cats are there? Answer:"

        outputs = vqa_pipeline(image=image, question=question)
        self.assertEqual(outputs, [{"answer": "two"}])

        outputs = vqa_pipeline({"image": image, "question": question})
        self.assertEqual(outputs, [{"answer": "two"}])

        outputs = vqa_pipeline([{"image": image, "question": question}, {"image": image, "question": question}])
        self.assertEqual(outputs, [[{"answer": "two"}]] * 2)

    @require_tf
    @unittest.skip("Visual question answering not implemented in TF")
    def test_small_model_tf(self):
        pass