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TestGetMRO.test_get_mro_union()   A
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↳ Parent: tests.functions.test_get_mro

Complexity

Conditions 1

Size

Total Lines 9
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 6
nop 1
dl 0
loc 9
rs 10
c 0
b 0
f 0
1 
import typing
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from typing import Union
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from unittest import TestCase
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from typish import get_mro

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class A:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    ...

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class B(A):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    ...

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class TestGetMRO(TestCase):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_get_mro(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        mro_b = get_mro(B)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        self.assertTupleEqual((B, A, object), mro_b)

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    def test_get_mro_union(self):

            


            
                                                                        
                            
            
                                    
            
            

                
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        mro_u = get_mro(Union[int, str])

            


            
                                                                        
                            
            
                                    
            
            

                
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        # Below is to stay compatible with Python 3.5+

            


            
                                                                        
                            
            
                                    
            
            

                
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        super_cls = getattr(typing, '_GenericAlias',

            


            
                                                                        
                            
            
                                    
            
            

                
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                            getattr(typing, 'GenericMeta', None))

            


            
                                                                        
                            
            
                                    
            
            

                
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        expected = (typing.Union, super_cls, object)

            


            
                                                                        
                            
            
                                    
            
            

                
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        self.assertTupleEqual(expected, mro_u)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_get_mro_object(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        mro_b = get_mro(B())

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        self.assertTupleEqual((B, A, object), mro_b)

            


            
                                                        
            
                                    
            
            

                
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