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

plugins/wasm-go/extensions/ai-quota/util/http_test.go

@@ -0,0 +1,84 @@
+// Copyright (c) 2024 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 util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// TestCreateHeaders 测试CreateHeaders函数
+func TestCreateHeaders(t *testing.T) {
+	tests := []struct {
+		name     string
+		kvs      []string
+		expected [][2]string
+	}{
+		{
+			name: "single header",
+			kvs:  []string{"Content-Type", "text/plain"},
+			expected: [][2]string{
+				{"Content-Type", "text/plain"},
+			},
+		},
+		{
+			name: "multiple headers",
+			kvs:  []string{"Content-Type", "application/json", "Authorization", "Bearer token"},
+			expected: [][2]string{
+				{"Content-Type", "application/json"},
+				{"Authorization", "Bearer token"},
+			},
+		},
+		{
+			name:     "empty input",
+			kvs:      []string{},
+			expected: [][2]string{},
+		},
+		{
+			name: "odd number of elements",
+			kvs:  []string{"Content-Type", "text/plain", "Authorization"},
+			expected: [][2]string{
+				{"Content-Type", "text/plain"},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := CreateHeaders(tt.kvs...)
+			require.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+// TestConstants 测试常量定义
+func TestConstants(t *testing.T) {
+	require.Equal(t, "Content-Type", HeaderContentType)
+	require.Equal(t, "text/plain", MimeTypeTextPlain)
+	require.Equal(t, "application/json", MimeTypeApplicationJson)
+}
+
+// TestSendResponse 测试SendResponse函数
+// 注意：这个函数调用了proxywasm SDK，在单元测试中我们主要验证函数签名和基本逻辑
+func TestSendResponse(t *testing.T) {
+	// 由于SendResponse函数调用了proxywasm SDK，在单元测试环境中可能无法完全执行
+	// 但我们仍然可以测试函数的存在性和基本结构
+	t.Run("function exists", func(t *testing.T) {
+		// 验证函数存在且可以调用（即使可能失败）
+		// 在实际的proxy-wasm环境中，这个函数应该能正常工作
+		require.NotNil(t, SendResponse)
+	})
+}