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Pull Request — master (#353)
by Fernando
01:18
created

TestRandomAnisotropy.test_2d_rgb()   A

↳ Parent: tests.transforms.augmentation.test_random_anisotropy

Complexity

Conditions 1

Size

Total Lines 3
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 3
nop 1
dl 0
loc 3
rs 10
c 0
b 0
f 0
1 
import torch
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from torchio import ScalarImage, RandomAnisotropy
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from ...utils import TorchioTestCase
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class TestRandomAnisotropy(TorchioTestCase):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Tests for `RandomAnisotropy`."""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_downsample(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        transform = RandomAnisotropy(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            axes=1,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            downsampling=(2., 2.)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        )

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        transformed = transform(self.sample_subject)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        self.assertEqual(self.sample_subject.spacing[1], transformed.spacing[1])

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_out_of_range_axis(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with self.assertRaises(ValueError):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            RandomAnisotropy(axes=3)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_out_of_range_axis_in_tuple(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with self.assertRaises(ValueError):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            RandomAnisotropy(axes=(0, -1, 2))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_wrong_axes_type(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with self.assertRaises(ValueError):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            RandomAnisotropy(axes='wrong')

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_wrong_downsampling_type(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with self.assertRaises(ValueError):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            RandomAnisotropy(downsampling='wrong')

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_below_one_downsampling(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with self.assertRaises(ValueError):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            RandomAnisotropy(downsampling=0.2)

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    def test_2d_rgb(self):

            


            
                                                        
            
                                    
            
            

                
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        image = ScalarImage(tensor=torch.rand(3, 4, 5, 6))

            


            
                                                        
            
                                    
            
            

                
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        RandomAnisotropy()(image)

            


            
                                                        
            
                                    
            
            

                
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