| 1 |  |  | """Module to test the KytosGraph in graph.py.""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | from kytos.core.link import Link | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | # module under test | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | from tests.unit.test_results import TestResults | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | class TestResultsSimple(TestResults): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |     """Tests for the graph class. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |     Tests if the paths returned have only legal edges. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     def test_path1(self): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |         """Tests a simple, possible path""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |         results = self.get_path_constrained("S1", "S2") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |         self.assertNotEqual(results, []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     def test_path2(self): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |         """Tests a simple, impossible path""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |         results = self.get_path_constrained("S1", "S4") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         self.assertEqual(results, []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     def test_path3(self): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |         """Tests a path to self again""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         results = self.get_path_constrained("S1", "S1") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |         self.assertNotEqual(results, []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     def test_path4(self): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         """Tests constrained path to self again""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         results = self.get_path_constrained( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |             "S5", "S5", base={"ownership": "blue"}) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         for result in results: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |             self.assertNotEqual([], result["paths"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |             self.assertIn(['S5'], result["paths"]) | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  |     def test_path5(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  |         """Tests constrained path to self again""" | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  |         results = self.get_path_constrained( | 
            
                                                                        
                            
            
                                    
            
            
                | 40 |  |  |             "S5", "S5", flexible={"priority": 5}) | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  |         for result in results: | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |             self.assertNotEqual([], result["paths"]) | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  |             self.assertIn(['S5'], result["paths"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     @staticmethod | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     def generate_topology(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |         """Generates a predetermined topology""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         switches = {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         interfaces = {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         links = {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         TestResults.create_switch("S1", switches) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         TestResults.add_interfaces(2, switches["S1"], interfaces) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         TestResults.create_switch("S2", switches) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         TestResults.add_interfaces(3, switches["S2"], interfaces) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         TestResults.create_switch("S3", switches) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         TestResults.add_interfaces(2, switches["S3"], interfaces) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |         TestResults.create_switch("S4", switches) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         TestResults.add_interfaces(2, switches["S4"], interfaces) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         TestResults.create_switch("S5", switches) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         links["S1:1<->S2:1"] = Link(interfaces["S1:1"], interfaces["S2:1"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         links["S1:1<->S2:1"].extend_metadata( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |             {"bandwidth": 50, "ownership": "red"}) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         links["S3:1<->S2:2"] = Link(interfaces["S3:1"], interfaces["S2:2"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         links["S3:1<->S2:2"].extend_metadata( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |             {"bandwidth": 51, "ownership": "blue"}) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         links["S1:2<->S3:2"] = Link(interfaces["S1:2"], interfaces["S3:2"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         links["S1:2<->S3:2"].extend_metadata( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |             {"bandwidth": 49, "ownership": "blue"}) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 78 |  |  |         return (switches, links) | 
            
                                                        
            
                                    
            
            
                | 79 |  |  |  |