初步实现bfs原型（仅用于实验）

internal/utils/bfs/meta_block_test.go

@@ -0,0 +1,52 @@
+// Copyright 2024 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package bfs_test
+
+import (
+	"bytes"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bfs"
+	"github.com/iwind/TeaGo/assert"
+	"testing"
+)
+
+func TestMetaBlock(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	{
+		var srcHash = bfs.Hash("a")
+		b, err := bfs.EncodeMetaBlock(bfs.MetaActionNew, srcHash, []byte{1, 2, 3})
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log(b)
+
+		{
+			action, hash, data, decodeErr := bfs.DecodeMetaBlock(b)
+			if decodeErr != nil {
+				t.Fatal(err)
+			}
+			a.IsTrue(action == bfs.MetaActionNew)
+			a.IsTrue(hash == srcHash)
+			a.IsTrue(bytes.Equal(data, []byte{1, 2, 3}))
+		}
+	}
+
+	{
+		var srcHash = bfs.Hash("bcd")
+
+		b, err := bfs.EncodeMetaBlock(bfs.MetaActionRemove, srcHash, []byte{1, 2, 3})
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log(b)
+		{
+			action, hash, data, decodeErr := bfs.DecodeMetaBlock(b)
+			if decodeErr != nil {
+				t.Fatal(err)
+			}
+			a.IsTrue(action == bfs.MetaActionRemove)
+			a.IsTrue(hash == srcHash)
+			a.IsTrue(len(data) == 0)
+		}
+	}
+}