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DependencyCycleTestCase.test_self_dependency()   A
last analyzed

↳ Parent: DependencyCycleTestCase

Complexity

Conditions 2

Size

Total Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
c 0
b 0
f 0
dl 0
loc 5
rs 9.4285
cc 2
1 
# coding: utf8
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# Copyright 2013-2018 Vincent Jacques <[email protected]>

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from __future__ import division, absolute_import, print_function

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import unittest

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from ActionTree import *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class DependencyCycleTestCase(unittest.TestCase):

            


            
                                                                        
                            
            
                                    
            
            

                
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    def test_self_dependency(self):

            


            
                                                                        
                            
            
                                    
            
            

                
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        a = Action("a")

            


            
                                                                        
                            
            
                                    
            
            

                
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        with self.assertRaises(Exception) as cm:

            


            
                                                                        
                            
            
                                    
            
            

                
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            a.add_dependency(a)

            


            
                                                                        
                            
            
                                    
            
            

                
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        self.assertEqual(cm.exception.args[0], "Dependency cycle")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_short_cycle(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        a = Action("a")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        b = Action("b")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        a.add_dependency(b)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with self.assertRaises(Exception) as cm:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            b.add_dependency(a)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        self.assertEqual(cm.exception.args[0], "Dependency cycle")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def test_long_cycle(self):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        a = Action("a")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        b = Action("b")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        c = Action("c")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        d = Action("d")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        e = Action("e")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        a.add_dependency(b)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        b.add_dependency(c)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        c.add_dependency(d)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        d.add_dependency(e)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with self.assertRaises(Exception) as cm:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            e.add_dependency(a)

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        self.assertEqual(cm.exception.args[0], "Dependency cycle")

            


            
                                                        
            
                                    
            
            

                
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