Refactor image processor testers (#25450)

* Refactor image processor test mixin

- Move test_call_numpy, test_call_pytorch, test_call_pil to mixin
- Rename mixin to reflect handling of logic more than saving
- Add prepare_image_inputs, expected_image_outputs for tests

* Fix for oneformer
This commit is contained in:
amyeroberts
2023-08-11 11:30:18 +01:00
committed by GitHub
parent 454957c9bb
commit 41d56ea6dd
42 changed files with 993 additions and 3763 deletions

View File

@@ -21,7 +21,7 @@ import numpy as np
from transformers.testing_utils import require_torch, require_vision
from transformers.utils import is_torch_available, is_vision_available
from ...test_image_processing_common import ImageProcessingSavingTestMixin, prepare_image_inputs
from ...test_image_processing_common import ImageProcessingTestMixin, prepare_image_inputs
if is_torch_available():
@@ -63,10 +63,33 @@ class GLPNImageProcessingTester(unittest.TestCase):
"do_rescale": self.do_rescale,
}
def expected_output_image_shape(self, images):
if isinstance(images[0], Image.Image):
width, height = images[0].size
else:
height, width = images[0].shape[1], images[0].shape[2]
height = height // self.size_divisor * self.size_divisor
width = width // self.size_divisor * self.size_divisor
return self.num_channels, height, width
def prepare_image_inputs(self, equal_resolution=False, numpify=False, torchify=False):
return prepare_image_inputs(
batch_size=self.batch_size,
num_channels=self.num_channels,
min_resolution=self.min_resolution,
max_resolution=self.max_resolution,
size_divisor=self.size_divisor,
equal_resolution=equal_resolution,
numpify=numpify,
torchify=torchify,
)
@require_torch
@require_vision
class GLPNImageProcessingTest(ImageProcessingSavingTestMixin, unittest.TestCase):
class GLPNImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
image_processing_class = GLPNImageProcessor if is_vision_available() else None
def setUp(self):
@@ -83,44 +106,41 @@ class GLPNImageProcessingTest(ImageProcessingSavingTestMixin, unittest.TestCase)
self.assertTrue(hasattr(image_processing, "resample"))
self.assertTrue(hasattr(image_processing, "do_rescale"))
def test_batch_feature(self):
pass
def test_call_pil(self):
# Initialize image_processing
image_processing = self.image_processing_class(**self.image_processor_dict)
# create random PIL images
image_inputs = prepare_image_inputs(self.image_processor_tester, equal_resolution=False)
image_inputs = self.image_processor_tester.prepare_image_inputs(equal_resolution=False)
for image in image_inputs:
self.assertIsInstance(image, Image.Image)
# Test not batched input (GLPNImageProcessor doesn't support batching)
encoded_images = image_processing(image_inputs[0], return_tensors="pt").pixel_values
self.assertTrue(encoded_images.shape[-1] % self.image_processor_tester.size_divisor == 0)
self.assertTrue(encoded_images.shape[-2] % self.image_processor_tester.size_divisor == 0)
expected_output_image_shape = self.image_processor_tester.expected_output_image_shape(image_inputs)
self.assertTrue(tuple(encoded_images.shape) == (1, *expected_output_image_shape))
def test_call_numpy(self):
# Initialize image_processing
image_processing = self.image_processing_class(**self.image_processor_dict)
# create random numpy tensors
image_inputs = prepare_image_inputs(self.image_processor_tester, equal_resolution=False, numpify=True)
image_inputs = self.image_processor_tester.prepare_image_inputs(equal_resolution=False, numpify=True)
for image in image_inputs:
self.assertIsInstance(image, np.ndarray)
# Test not batched input (GLPNImageProcessor doesn't support batching)
encoded_images = image_processing(image_inputs[0], return_tensors="pt").pixel_values
self.assertTrue(encoded_images.shape[-1] % self.image_processor_tester.size_divisor == 0)
self.assertTrue(encoded_images.shape[-2] % self.image_processor_tester.size_divisor == 0)
expected_output_image_shape = self.image_processor_tester.expected_output_image_shape(image_inputs)
self.assertTrue(tuple(encoded_images.shape) == (1, *expected_output_image_shape))
def test_call_pytorch(self):
# Initialize image_processing
image_processing = self.image_processing_class(**self.image_processor_dict)
# create random PyTorch tensors
image_inputs = prepare_image_inputs(self.image_processor_tester, equal_resolution=False, torchify=True)
image_inputs = self.image_processor_tester.prepare_image_inputs(equal_resolution=False, torchify=True)
for image in image_inputs:
self.assertIsInstance(image, torch.Tensor)
# Test not batched input (GLPNImageProcessor doesn't support batching)
encoded_images = image_processing(image_inputs[0], return_tensors="pt").pixel_values
self.assertTrue(encoded_images.shape[-1] % self.image_processor_tester.size_divisor == 0)
self.assertTrue(encoded_images.shape[-2] % self.image_processor_tester.size_divisor == 0)
expected_output_image_shape = self.image_processor_tester.expected_output_image_shape(image_inputs)
self.assertTrue(tuple(encoded_images.shape) == (1, *expected_output_image_shape))