| |
| import random |
| from unittest import TestCase |
|
|
| import numpy as np |
| import pytest |
| import torch |
|
|
| from mmengine.structures import PixelData |
|
|
|
|
| class TestPixelData(TestCase): |
|
|
| def setup_data(self): |
| metainfo = dict( |
| img_id=random.randint(0, 100), |
| img_shape=(random.randint(400, 600), random.randint(400, 600))) |
| image = np.random.randint(0, 255, (4, 20, 40)) |
| featmap = torch.randint(0, 255, (10, 20, 40)) |
| pixel_data = PixelData(metainfo=metainfo, image=image, featmap=featmap) |
| return pixel_data |
|
|
| def test_set_data(self): |
| pixel_data = self.setup_data() |
|
|
| |
| with self.assertRaises(AttributeError): |
| pixel_data._metainfo_fields = 1 |
| with self.assertRaises(AttributeError): |
| pixel_data._data_fields = 1 |
|
|
| |
| with self.assertRaises(AssertionError): |
| pixel_data.v = 'value' |
|
|
| |
| with self.assertRaises(AssertionError): |
| pixel_data.map2 = torch.randint(0, 255, (3, 21, 41)) |
|
|
| |
| with self.assertRaises(AssertionError): |
| pixel_data.map2 = torch.randint(0, 255, (1, 3, 20, 40)) |
|
|
| pixel_data.map2 = torch.randint(0, 255, (3, 20, 40)) |
| assert 'map2' in pixel_data |
|
|
| pixel_data.map3 = torch.randint(0, 255, (20, 40)) |
| assert tuple(pixel_data.map3.shape) == (1, 20, 40) |
|
|
| def test_getitem(self): |
| pixel_data = PixelData() |
|
|
| pixel_data = self.setup_data() |
| slice_pixel_data = pixel_data[10:15, 20:30] |
| assert slice_pixel_data.shape == (5, 10) |
|
|
| pixel_data = self.setup_data() |
| slice_pixel_data = pixel_data[10, 20:30] |
| assert slice_pixel_data.shape == (1, 10) |
|
|
| |
| item = torch.Tensor([1, 2, 3, 4]) |
| with pytest.raises( |
| TypeError, |
| match=f'Unsupported type {type(item)} for slicing PixelData'): |
| pixel_data[item] |
| item = 1 |
| with pytest.raises( |
| TypeError, |
| match=f'Unsupported type {type(item)} for slicing PixelData'): |
| pixel_data[item] |
| item = (5.5, 5) |
| with pytest.raises( |
| TypeError, |
| match=('The type of element in input must be int or slice, ' |
| f'but got {type(item[0])}')): |
| pixel_data[item] |
|
|
| def test_shape(self): |
| pixel_data = self.setup_data() |
| assert pixel_data.shape == (20, 40) |
| pixel_data = PixelData() |
| assert pixel_data.shape is None |
|
|
