Mainflux.mainflux/ws/mocks/pubsub.go

75 lines
1.5 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package mocks
import (
"encoding/json"
"fmt"
"github.com/gorilla/websocket"
"github.com/mainflux/mainflux/pkg/messaging"
"github.com/mainflux/mainflux/ws"
)
var _ messaging.PubSub = (*mockPubSub)(nil)
type MockPubSub interface {
Publish(string, messaging.Message) error
Subscribe(string, string, messaging.MessageHandler) error
Unsubscribe(string, string) error
SetFail(bool)
SetConn(*websocket.Conn)
Close() error
}
type mockPubSub struct {
fail bool
conn *websocket.Conn
}
// NewPubSub returns mock message publisher-subscriber
func NewPubSub() MockPubSub {
return &mockPubSub{false, nil}
}
func (pubsub *mockPubSub) Publish(s string, msg messaging.Message) error {
if pubsub.conn != nil {
data, err := json.Marshal(msg)
if err != nil {
fmt.Println("can't marshall")
return ws.ErrFailedMessagePublish
}
return pubsub.conn.WriteMessage(websocket.BinaryMessage, data)
}
if pubsub.fail {
return ws.ErrFailedMessagePublish
}
return nil
}
func (pubsub *mockPubSub) Subscribe(string, string, messaging.MessageHandler) error {
if pubsub.fail {
return ws.ErrFailedSubscription
}
return nil
}
func (pubsub *mockPubSub) Unsubscribe(string, string) error {
if pubsub.fail {
return ws.ErrFailedUnsubscribe
}
return nil
}
func (pubsub *mockPubSub) SetFail(fail bool) {
pubsub.fail = fail
}
func (pubsub *mockPubSub) SetConn(c *websocket.Conn) {
pubsub.conn = c
}
func (pubsub *mockPubSub) Close() error {
return nil
}