Added tests in pkg/registry

Signed-off-by: Yash Pandey <yash.pandey@agoda.com>

pkg/registry/search/storage/proxy_test.go

@@ -0,0 +1,103 @@
+/*
+Copyright 2024 The Karmada Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package storage
+
+import (
+	"context"
+	_ "net/http"
+	_ "net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	genericrequest "k8s.io/apiserver/pkg/endpoints/request"
+	_ "k8s.io/apiserver/pkg/registry/rest"
+
+	searchapis "github.com/karmada-io/karmada/pkg/apis/search"
+	"github.com/karmada-io/karmada/pkg/search/proxy"
+)
+
+func TestNewProxyingREST(t *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+	assert.NotNil(t, r)
+	assert.Equal(t, ctl, r.ctl)
+}
+
+func TestProxyingREST_New(t *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+	obj := r.New()
+	assert.NotNil(t, obj)
+	_, ok := obj.(*searchapis.Proxying)
+	assert.True(t, ok)
+}
+
+func TestProxyingREST_NamespaceScoped(t *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+	assert.False(t, r.NamespaceScoped())
+}
+
+func TestProxyingREST_ConnectMethods(t *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+	methods := r.ConnectMethods()
+	assert.Equal(t, proxyMethods, methods)
+}
+
+func TestProxyingREST_NewConnectOptions(t *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+	obj, ok, s := r.NewConnectOptions()
+	assert.Nil(t, obj)
+	assert.True(t, ok)
+	assert.Equal(t, "", s)
+}
+
+func TestProxyingREST_Connect(t *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+
+	t.Run("Test missing RequestInfo in context", func(t *testing.T) {
+		ctx := context.Background()
+		_, err := r.Connect(ctx, "", nil, nil)
+		assert.NotNil(t, err)
+		assert.EqualError(t, err, "no RequestInfo found in the context")
+	})
+
+	t.Run("Test invalid RequestInfo parts", func(t *testing.T) {
+		ctx := genericrequest.WithRequestInfo(context.Background(), &genericrequest.RequestInfo{
+			Parts: []string{"proxying"},
+		})
+		_, err := r.Connect(ctx, "", nil, nil)
+		assert.NotNil(t, err)
+		assert.EqualError(t, err, "invalid requestInfo parts: [proxying]")
+	})
+}
+
+func TestProxyingREST_Destroy(_ *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+	r.Destroy()
+}
+
+func TestProxyingREST_GetSingularName(t *testing.T) {
+	ctl := &proxy.Controller{}
+	r := NewProxyingREST(ctl)
+	name := r.GetSingularName()
+	assert.Equal(t, "proxying", name)
+}