Add plugins (#27)

plugins/wasm-go/pkg/wrapper/cluster_wrapper_test.go

@@ -0,0 +1,102 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// 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 wrapper
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestClusterAndHost(t *testing.T) {
+	cases := []struct {
+		name          string
+		cluster       Cluster
+		expectCluster string
+		expectHost    string
+	}{
+		{
+			name: "k8s",
+			cluster: K8sCluster{
+				ServiceName: "foo",
+				Namespace:   "bar",
+				Port:        8080,
+				Version:     "1.0",
+			},
+			expectCluster: "outbound|8080|1.0|foo.bar.svc.cluster.local",
+			expectHost:    "foo.bar.svc.cluster.local",
+		},
+		{
+			name: "k8s default",
+			cluster: K8sCluster{
+				ServiceName: "foo",
+				Port:        8080,
+				Host:        "www.example.com",
+			},
+			expectCluster: "outbound|8080||foo.default.svc.cluster.local",
+			expectHost:    "www.example.com",
+		},
+		{
+			name: "nacos",
+			cluster: NacosCluster{
+				ServiceName: "foo",
+				Group:       "DEFAULT_GROUP",
+				NamespaceID: "xxxx",
+				Port:        8080,
+				Version:     "1.0",
+			},
+			expectCluster: "outbound|8080|1.0|foo.DEFAULT-GROUP.xxxx.nacos",
+			expectHost:    "foo",
+		},
+		{
+			name: "nacos ext",
+			cluster: NacosCluster{
+				ServiceName:   "foo",
+				NamespaceID:   "xxxx",
+				Port:          8080,
+				IsExtRegistry: true,
+				Host:          "www.test.com",
+			},
+			expectCluster: "outbound|8080||foo.DEFAULT-GROUP.xxxx.nacos-ext",
+			expectHost:    "www.test.com",
+		},
+		{
+			name: "static",
+			cluster: StaticIpCluster{
+				ServiceName: "foo",
+				Port:        8080,
+				Host:        "www.test.com",
+			},
+			expectCluster: "outbound|8080||foo.static",
+			expectHost:    "www.test.com",
+		},
+		{
+			name: "dns",
+			cluster: DnsCluster{
+				ServiceName: "foo",
+				Port:        8080,
+				Domain:      "www.test.com",
+			},
+			expectCluster: "outbound|8080||foo.dns",
+			expectHost:    "www.test.com",
+		},
+	}
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			assert.Equal(t, c.expectCluster, c.cluster.ClusterName())
+			assert.Equal(t, c.expectHost, c.cluster.HostName())
+		})
+	}
+}