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89 lines
3.7 KiB
Python
89 lines
3.7 KiB
Python
# Copyright 2026 The HuggingFace Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import torch
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from transformers import DeepseekOcr2Processor
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from transformers.testing_utils import require_vision
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from ...test_processing_common import ProcessorTesterMixin
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@require_vision
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class DeepseekOcr2ProcessorTest(ProcessorTesterMixin, unittest.TestCase):
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processor_class = DeepseekOcr2Processor
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# Tiny processor created with make_tiny_processor.py from "deepseek-community/DeepSeek-OCR-2"
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tiny_model_id = "hf-internal-testing/tiny-processor-deepseek_ocr2"
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@classmethod
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def _setup_image_processor(cls):
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# Small size (64×64) reduces the number of tiles produced by the tiling logic,
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# keeping token counts low. tile_size=512 is a safe sentinel above the image size.
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image_processor_class = cls._get_component_class_from_processor("image_processor")
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image_processor = image_processor_class()
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image_processor.size = {"height": 64, "width": 64}
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image_processor.tile_size = 512
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return image_processor
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@classmethod
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def _setup_test_attributes(cls, processor):
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cls.image_token = processor.image_token
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@unittest.skip("DeepseekOcr2Processor pops the image processor output 'num_local_patches'")
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def test_image_processor_defaults(self):
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pass
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def test_image_token_expansion_small_image(self):
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"""Small image (< tile_size) should produce no local patches → 257 image tokens."""
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processor = self.get_processor()
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processor.image_processor.size = {"height": 1024, "width": 1024}
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processor.image_processor.tile_size = 768
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# Small image: max(200, 300) < 768 → no local patches
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image = torch.randint(0, 256, (3, 300, 200), dtype=torch.uint8)
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prompt = "<image>\nFree OCR."
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inputs = processor(images=image, text=prompt, return_tensors="pt")
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image_token_id = processor.image_token_id
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num_image_tokens = (inputs["input_ids"] == image_token_id).sum().item()
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# 257 = 256 global + 0 local + 1 separator
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self.assertEqual(num_image_tokens, 257)
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self.assertNotIn("pixel_values_local", inputs)
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def test_image_token_expansion_large_image(self):
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"""Large image should produce local patches → more image tokens."""
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processor = self.get_processor()
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processor.image_processor.size = {"height": 1024, "width": 1024}
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processor.image_processor.tile_size = 768
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# Large image: max(769, 577) > 768 → local patches; same 2×3 grid as 3264×2448 (ar≈0.75)
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image = torch.randint(0, 256, (3, 769, 577), dtype=torch.uint8)
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prompt = "<image>\nFree OCR."
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inputs = processor(images=image, text=prompt, return_tensors="pt")
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image_token_id = processor.image_token_id
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num_image_tokens = (inputs["input_ids"] == image_token_id).sum().item()
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num_local_patches = inputs["num_local_patches"][0]
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# 3264x2448 image produces 6 local patches (2x3 grid) + 1 global view = 7 total
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# num_image_tokens = 256 global + 144*6 local + 1 separator = 1121
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self.assertEqual(num_local_patches, 6)
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self.assertEqual(num_image_tokens, 1121)
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self.assertIn("pixel_values_local", inputs)
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