feat: Add Test for Client

test/client_test.go

@@ -0,0 +1,70 @@
+package main_test
+
+import (
+	"testing"
+
+	"github.com/1995parham/pakhshi/pkg/client"
+	mqtt "github.com/eclipse/paho.mqtt.golang"
+	"github.com/stretchr/testify/assert"
+)
+
+// nolint: cyclop
+func TestMultiSubscriberSinglePublisher(t *testing.T) {
+	t.Parallel()
+
+	ch := make(chan string)
+
+	{
+		opts := mqtt.NewClientOptions()
+		opts.AddBroker("tcp://127.0.0.1:1883")
+		opts.AddBroker("tcp://127.0.0.1:1884")
+
+		c := client.NewClient(opts)
+
+		if token := c.Connect(); token.Wait() && token.Error() != nil {
+			assert.NoError(t, token.Error())
+		}
+
+		if token := c.Subscribe("hello", 0, func(c mqtt.Client, m mqtt.Message) {
+			ch <- string(m.Payload())
+		}); token.Wait() && token.Error() != nil {
+			assert.NoError(t, token.Error())
+		}
+	}
+
+	{
+		opts := mqtt.NewClientOptions()
+		opts.AddBroker("tcp://127.0.0.1:1883")
+
+		c := mqtt.NewClient(opts)
+
+		if token := c.Connect(); token.Wait() && token.Error() != nil {
+			assert.NoError(t, token.Error())
+		}
+
+		msg := "b1"
+		if token := c.Publish("hello", 0, false, msg); token.Wait() && token.Error() != nil {
+			assert.NoError(t, token.Error())
+		}
+
+		assert.Equal(t, msg, <-ch)
+	}
+
+	{
+		opts := mqtt.NewClientOptions()
+		opts.AddBroker("tcp://127.0.0.1:1884")
+
+		c := mqtt.NewClient(opts)
+
+		if token := c.Connect(); token.Wait() && token.Error() != nil {
+			assert.NoError(t, token.Error())
+		}
+
+		msg := "b2"
+		if token := c.Publish("hello", 0, false, msg); token.Wait() && token.Error() != nil {
+			assert.NoError(t, token.Error())
+		}
+
+		assert.Equal(t, msg, <-ch)
+	}
+}