fix: fix test case

Signed-off-by: zongz <zongzhe1024@163.com>

Author: zong-zhe

pkg/client/client.go

@@ -863,11 +863,18 @@ func (c *KpmClient) Download(dep *pkg.Dependency, homePath, localPath string) (*
 			return nil, err
 		}
 		dep.FromKclPkg(dpkg)
-		dep.LocalFullPath = localPath + dep.Version
-		err = os.Rename(localPath, dep.LocalFullPath)
-		if err != nil {
-			return nil, err
+
+		if dep.LocalFullPath == "" {
+			dep.LocalFullPath = localPath
+		}
+
+		if localPath != dep.LocalFullPath {
+			err = os.Rename(localPath, dep.LocalFullPath)
+			if err != nil {
+				return nil, err
+			}
 		}
+
 		// Creating symbolic links in a global cache is not an optimal solution.
 		// This allows kclvm to locate the package by default.
 		// This feature is unstable and will be removed soon.

pkg/client/client_test.go

@@ -144,7 +144,7 @@ func TestDownloadLatestOci(t *testing.T) {
 	assert.Equal(t, dep.Source.Oci.Reg, "ghcr.io")
 	assert.Equal(t, dep.Source.Oci.Repo, "kcl-lang/helloworld")
 	assert.Equal(t, dep.Source.Oci.Tag, "0.1.1")
-	assert.Equal(t, dep.LocalFullPath, testPath+"0.1.1")
+	assert.Equal(t, dep.LocalFullPath, testPath)
 	assert.Equal(t, err, nil)
 
 	// Check whether the tar downloaded by `kpm add` has been deleted.