feat(wasm-go): add wasm go plugin unit test and ci workflow (#2809)

plugins/wasm-go/extensions/hello-world/main_test.go

@@ -0,0 +1,43 @@
+// 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 main
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/higress-group/proxy-wasm-go-sdk/proxywasm/types"
+	"github.com/higress-group/wasm-go/pkg/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestOnHttpRequestHeaders(t *testing.T) {
+	test.RunTest(t, func(t *testing.T) {
+		host, status := test.NewTestHost(nil)
+		defer host.Reset()
+		require.Equal(t, types.OnPluginStartStatusOK, status)
+
+		action := host.CallOnHttpRequestHeaders([][2]string{
+			{":authority", "example.com"},
+			{":path", "/test"},
+			{":method", "GET"},
+		})
+		require.Equal(t, types.ActionContinue, action)
+
+		localResponse := host.GetLocalResponse()
+		require.Equal(t, uint32(http.StatusOK), localResponse.StatusCode)
+		require.Equal(t, "hello world", string(localResponse.Data))
+	})
+}