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Pull Request — master (#6)
by Steve
02:52 queued 43s
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test_dependencies_are_built_each_request()   A

↳ Parent: test.test_objects

Complexity

Conditions 1

Size

Total Lines 5
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 5
nop 2
dl 0
loc 5
rs 10
c 0
b 0
f 0
1 
import pytest
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from lagom import Construction, Container

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class MySimpleDep:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    stuff: str

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def __init__(self, stuff):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        self.stuff = stuff

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class MyMoreComplicatedDep:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    complicated_stuff: str

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def __init__(self, dep: MySimpleDep):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        self.stuff = "complicated " + dep.stuff

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@pytest.fixture

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def container_with_simple_dep(container: Container):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    container.define(MySimpleDep, Construction(lambda: MySimpleDep("Top stuff")))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    return container

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def test_works_for_registered_types(container_with_simple_dep):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    resolved = container_with_simple_dep.resolve(MySimpleDep)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    assert resolved.stuff == "Top stuff"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def test_works_if_every_item_in_the_constructor_can_be_figured_out(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    container_with_simple_dep

            


            
                                                                                                            
                            
            
                                    
            
            

                
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):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    resolved = container_with_simple_dep.resolve(MyMoreComplicatedDep)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    assert resolved.stuff == "complicated Top stuff"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@pytest.mark.parametrize("dep", [MySimpleDep, MyMoreComplicatedDep])

            


            
                                                        
            
                                    
            
            

                
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def test_dependencies_are_built_each_request(container_with_simple_dep: Container, dep):

            


            
                                                        
            
                                    
            
            

                
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    first = container_with_simple_dep.resolve(dep)

            


            
                                                        
            
                                    
            
            

                
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    second = container_with_simple_dep.resolve(dep)

            


            
                                                        
            
                                    
            
            

                
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    assert first is not second

            


            
                                                        
            
                                    
            
            

                
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