github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/mocks/mock_publisher.go (about)

     1  /*
     2   * Copyright (C) 2020 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package mocks
    19  
    20  import (
    21  	"sync"
    22  )
    23  
    24  // EventBusEntry represents the entry in publisher's history
    25  type EventBusEntry struct {
    26  	Topic string
    27  	Event interface{}
    28  }
    29  
    30  // EventBus is a fake event bus.
    31  type EventBus struct {
    32  	publishLast    interface{}
    33  	publishHistory []EventBusEntry
    34  	lock           sync.Mutex
    35  }
    36  
    37  // NewEventBus creates a new fake event bus.
    38  func NewEventBus() *EventBus {
    39  	return &EventBus{
    40  		publishHistory: make([]EventBusEntry, 0),
    41  	}
    42  }
    43  
    44  // Publish fakes publish.
    45  func (mp *EventBus) Publish(topic string, event interface{}) {
    46  	mp.lock.Lock()
    47  	defer mp.lock.Unlock()
    48  
    49  	mp.publishHistory = append(mp.publishHistory, EventBusEntry{
    50  		Topic: topic,
    51  		Event: event,
    52  	})
    53  	mp.publishLast = event
    54  }
    55  
    56  // SubscribeAsync fakes async subsribe.
    57  func (mp *EventBus) SubscribeAsync(topic string, fn interface{}) error {
    58  	return nil
    59  }
    60  
    61  // Subscribe fakes subscribe.
    62  func (mp *EventBus) Subscribe(topic string, fn interface{}) error {
    63  	return nil
    64  }
    65  
    66  // SubscribeWithUID fakes subscribe.
    67  func (mp *EventBus) SubscribeWithUID(topic, uid string, fn interface{}) error {
    68  	return nil
    69  }
    70  
    71  // Unsubscribe fakes unsubscribe.
    72  func (mp *EventBus) Unsubscribe(topic string, fn interface{}) error {
    73  	return nil
    74  }
    75  
    76  // UnsubscribeWithUID fakes unsubscribe.
    77  func (mp *EventBus) UnsubscribeWithUID(topic, uid string, fn interface{}) error {
    78  	return nil
    79  }
    80  
    81  // Pop pops the last event for assertions.
    82  func (mp *EventBus) Pop() interface{} {
    83  	mp.lock.Lock()
    84  	defer mp.lock.Unlock()
    85  	result := mp.publishLast
    86  	mp.publishLast = nil
    87  	return result
    88  }
    89  
    90  // Clear clears the event history
    91  func (mp *EventBus) Clear() {
    92  	mp.lock.Lock()
    93  	defer mp.lock.Unlock()
    94  	mp.publishHistory = make([]EventBusEntry, 0)
    95  }
    96  
    97  // GetEventHistory fetches the event history
    98  func (mp *EventBus) GetEventHistory() []EventBusEntry {
    99  	mp.lock.Lock()
   100  	defer mp.lock.Unlock()
   101  	return mp.publishHistory
   102  }