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                """Module to help to create tests."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from unittest.mock import Mock  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from kytos.core import Controller  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from kytos.core.config import KytosConfig  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from kytos.core.interface import TAG, UNI, Interface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from kytos.core.switch import Switch  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from kytos.core.link import Link  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from kytos.core.common import EntityStatus  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                def get_controller_mock():  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    """Return a controller mock."""  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    options = KytosConfig().options['daemon']  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    controller = Controller(options)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    controller.log = Mock()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    return controller  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                def get_link_mocked(**kwargs):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """Return a link mocked.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Args:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        link_dict: Python dict returned after call link.as_dict()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    switch_a = kwargs.get('switch_a', Switch('00:00:00:00:00:01')) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    switch_b = kwargs.get('switch_b', Switch('00:00:00:00:00:02')) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    endpoint_a = Interface(kwargs.get('endpoint_a_name', 'eth0'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                           kwargs.get('endpoint_a_port', 1), switch_a) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    endpoint_b = Interface(kwargs.get('endpoint_b_name', 'eth1'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                           kwargs.get('endpoint_b_port', 2), switch_b) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    link = Mock(spec=Link, endpoint_a=endpoint_a, endpoint_b=endpoint_b)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    link.id = kwargs.get('link_id', 1) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    link.status = kwargs.get('status', EntityStatus.DOWN) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    link.active = kwargs.get('active', False) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    link.as_dict.return_value = kwargs.get('link_dict', | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                           {'id': link.id, | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                            'active': link.active})  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    metadata = kwargs.get("metadata", {}) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def side_effect(key):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Mock Link get metadata."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return Mock(value=metadata.get(key))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    link.get_metadata = Mock(side_effect=side_effect)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return link  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                def get_uni_mocked(**kwargs):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """Create an uni mocked.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Args:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        interface_name(str): Interface name. Defaults to "eth1".  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        interface_port(int): Interface pror. Defaults to 1.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        tag_type(int): Type of a tag. Defaults to 1.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        tag_value(int): Value of a tag. Defaults to 81  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        is_valid(bool): Value returned by is_valid method.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        Defaults to False.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    interface_name = kwargs.get("interface_name", "eth1") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    interface_port = kwargs.get("interface_port", 1) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    tag_type = kwargs.get("tag_type", 1) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    tag_value = kwargs.get("tag_value", 81) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    is_valid = kwargs.get("is_valid", False) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    switch = Mock(spec=Switch)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    switch.id = kwargs.get("switch_id", "custom_switch_id") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    switch.dpid = kwargs.get("switch_dpid", "custom_switch_dpid") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    interface = Interface(interface_name, interface_port, switch)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    tag = TAG(tag_type, tag_value)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    uni = Mock(spec=UNI, interface=interface, user_tag=tag)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    uni.is_valid.return_value = is_valid  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    uni.as_dict.return_value = { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        "interface_id": f'switch_mock:{interface_port}', | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        "tag": tag.as_dict()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return uni  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class MockResponse:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """Mock a requests response object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Just define a function and add the patch decorator to the test.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Example:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def mocked_requests_get(*args, **kwargs):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return MockResponse({}, 200) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    @patch('requests.get', side_effect=mocked_requests_get) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def __init__(self, json_data, status_code):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Create mock response object with parameters.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Args:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            json_data: JSON response content  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            status_code: HTTP status code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self.json_data = json_data  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self.status_code = status_code  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def json(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Return the response json data."""  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                        return self.json_data  | 
            
            
                                                        
            
                                    
            
            
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