From 8c2d37e093ca64d591fc0aec15a7e2ed424b2e47 Mon Sep 17 00:00:00 2001
From: hozan23 <hozan23@karyontech.net>
Date: Thu, 13 Jun 2024 06:02:24 +0200
Subject: use message dispatcher to process responses and notifications &
 spread out comments

---
 jsonrpc/client/message_dispatcher_test.go | 101 ++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 jsonrpc/client/message_dispatcher_test.go

(limited to 'jsonrpc/client/message_dispatcher_test.go')

diff --git a/jsonrpc/client/message_dispatcher_test.go b/jsonrpc/client/message_dispatcher_test.go
new file mode 100644
index 0000000..7cc1366
--- /dev/null
+++ b/jsonrpc/client/message_dispatcher_test.go
@@ -0,0 +1,101 @@
+package client
+
+import (
+	// "sync"
+	// "sync/atomic"
+
+	"sync"
+	"sync/atomic"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDispatchToChannel(t *testing.T) {
+
+	messageDispatcher := newMessageDispatcher[int, int](10)
+
+	chanKey := 1
+	rx := messageDispatcher.register(chanKey)
+
+	chanKey2 := 2
+	rx2 := messageDispatcher.register(chanKey2)
+
+	var wg sync.WaitGroup
+
+	wg.Add(1)
+	go func() {
+		for i := 0; i < 50; i++ {
+			err := messageDispatcher.disptach(chanKey, i)
+			assert.Nil(t, err)
+		}
+
+		messageDispatcher.unregister(chanKey)
+		wg.Done()
+	}()
+
+	wg.Add(1)
+	go func() {
+		for i := 0; i < 50; i++ {
+			err := messageDispatcher.disptach(chanKey2, i)
+			assert.Nil(t, err)
+		}
+
+		messageDispatcher.unregister(chanKey2)
+		wg.Done()
+	}()
+
+	var receivedItem atomic.Int32
+
+	wg.Add(1)
+	go func() {
+		for range rx {
+			receivedItem.Add(1)
+		}
+		wg.Done()
+	}()
+
+	wg.Add(1)
+	go func() {
+		for range rx2 {
+			receivedItem.Add(1)
+		}
+		wg.Done()
+	}()
+
+	wg.Wait()
+	assert.Equal(t, receivedItem.Load(), int32(100))
+}
+
+func TestUnregisterChannel(t *testing.T) {
+	messageDispatcher := newMessageDispatcher[int, int](1)
+
+	chanKey := 1
+	rx := messageDispatcher.register(chanKey)
+
+	messageDispatcher.unregister(chanKey)
+	assert.Equal(t, messageDispatcher.length(), 0, "channels should be empty")
+
+	_, ok := <-rx
+	assert.False(t, ok, "chan closed")
+
+	err := messageDispatcher.disptach(chanKey, 1)
+	assert.NotNil(t, err)
+}
+
+func TestClearChannels(t *testing.T) {
+
+	messageDispatcher := newMessageDispatcher[int, int](1)
+
+	chanKey := 1
+	rx := messageDispatcher.register(chanKey)
+
+	messageDispatcher.clear()
+	assert.Equal(t, messageDispatcher.length(), 0, "channels should be empty")
+
+	_, ok := <-rx
+	assert.False(t, ok, "chan closed")
+
+	err := messageDispatcher.disptach(chanKey, 1)
+	assert.NotNil(t, err)
+}
-- 
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