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                """Module to test the KytosGraph in graph.py."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from kytos.core.link import Link  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # module under test  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from tests.integration.test_results import TestResults  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class TestResultsSimple(TestResults):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """Tests for the graph class.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Tests if the paths returned have only legal edges.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def test_path1(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Tests a simple, possible path"""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        results = self.get_path_constrained("S1", "S2") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self.assertNotEqual(results, [])  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    def test_path2(self):  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        """Tests a simple, impossible path"""  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        results = self.get_path_constrained("S1", "S4") | 
            
            
                                                                        
                            
            
                                    
            
            
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                        self.assertEqual(results, [])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def test_path3(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Tests a path to self again"""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        results = self.get_path_constrained("S1", "S1") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self.assertNotEqual(results, [])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def test_path4(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Tests constrained path to self again"""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        results = self.get_path_constrained(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            "S5", "S5", base={"ownership": "blue"}) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        for result in results:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self.assertNotEqual([], result["paths"])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self.assertIn(['S5'], result["paths"])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def test_path5(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Tests constrained path to self again"""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        results = self.get_path_constrained(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            "S5", "S5", flexible={"priority": 5}) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        for result in results:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self.assertNotEqual([], result["paths"])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self.assertIn(['S5'], result["paths"])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    @staticmethod  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def generate_topology():  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Generates a predetermined topology"""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        switches = {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        interfaces = {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        links = {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.create_switch("S1", switches) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.add_interfaces(2, switches["S1"], interfaces)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.create_switch("S2", switches) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.add_interfaces(3, switches["S2"], interfaces)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.create_switch("S3", switches) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.add_interfaces(2, switches["S3"], interfaces)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.create_switch("S4", switches) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.add_interfaces(2, switches["S4"], interfaces)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        TestResults.create_switch("S5", switches) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        links["S1:1<->S2:1"] = Link(interfaces["S1:1"], interfaces["S2:1"])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        links["S1:1<->S2:1"].extend_metadata(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            {"bandwidth": 50, "ownership": "red"}) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        links["S3:1<->S2:2"] = Link(interfaces["S3:1"], interfaces["S2:2"])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        links["S3:1<->S2:2"].extend_metadata(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            {"bandwidth": 51, "ownership": "blue"}) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        links["S1:2<->S3:2"] = Link(interfaces["S1:2"], interfaces["S3:2"])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        links["S1:2<->S3:2"].extend_metadata(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            {"bandwidth": 49, "ownership": "blue"}) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return (switches, links)  | 
            
            
                                                        
            
                                    
            
            
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