mirror of
https://github.com/alibaba/higress.git
synced 2026-03-09 11:10:49 +08:00
576 lines
18 KiB
Go
576 lines
18 KiB
Go
// Copyright (c) 2024 Alibaba Group Holding Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"encoding/json"
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"testing"
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"github.com/higress-group/proxy-wasm-go-sdk/proxywasm/types"
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"github.com/higress-group/wasm-go/pkg/test"
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"github.com/stretchr/testify/require"
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)
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// 测试配置：启用请求转换
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var requestTransformConfig = func() json.RawMessage {
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data, _ := json.Marshal(map[string]interface{}{
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"request": map[string]interface{}{
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"enable": true,
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"prompt": "将请求转换为JSON格式",
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},
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"response": map[string]interface{}{
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"enable": false,
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"prompt": "",
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},
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"provider": map[string]interface{}{
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"apiKey": "test-api-key",
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"serviceName": "ai-service",
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"domain": "ai.example.com",
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},
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})
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return data
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}()
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// 测试配置：启用响应转换
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var responseTransformConfig = func() json.RawMessage {
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data, _ := json.Marshal(map[string]interface{}{
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"request": map[string]interface{}{
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"enable": false,
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"prompt": "",
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},
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"response": map[string]interface{}{
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"enable": true,
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"prompt": "将响应转换为XML格式",
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},
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"provider": map[string]interface{}{
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"apiKey": "test-api-key",
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"serviceName": "ai-service",
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"domain": "ai.example.com",
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},
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})
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return data
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}()
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// 测试配置：同时启用请求和响应转换
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var bothTransformConfig = func() json.RawMessage {
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data, _ := json.Marshal(map[string]interface{}{
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"request": map[string]interface{}{
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"enable": true,
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"prompt": "将请求转换为JSON格式",
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},
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"response": map[string]interface{}{
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"enable": true,
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"prompt": "将响应转换为XML格式",
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},
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"provider": map[string]interface{}{
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"apiKey": "test-api-key",
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"serviceName": "ai-service",
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"domain": "ai.example.com",
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},
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})
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return data
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}()
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// 测试配置：禁用所有转换
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var noTransformConfig = func() json.RawMessage {
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data, _ := json.Marshal(map[string]interface{}{
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"request": map[string]interface{}{
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"enable": false,
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"prompt": "",
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},
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"response": map[string]interface{}{
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"enable": false,
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"prompt": "",
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},
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"provider": map[string]interface{}{
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"apiKey": "test-api-key",
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"serviceName": "ai-service",
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"domain": "ai.example.com",
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},
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})
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return data
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}()
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// 测试配置：缺少API密钥
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var missingAPIKeyConfig = func() json.RawMessage {
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data, _ := json.Marshal(map[string]interface{}{
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"request": map[string]interface{}{
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"enable": true,
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"prompt": "将请求转换为JSON格式",
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},
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"response": map[string]interface{}{
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"enable": false,
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"prompt": "",
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},
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"provider": map[string]interface{}{
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"serviceName": "ai-service",
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"domain": "ai.example.com",
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},
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})
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return data
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}()
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func TestParseConfig(t *testing.T) {
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test.RunGoTest(t, func(t *testing.T) {
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// 测试请求转换配置解析
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t.Run("request transform config", func(t *testing.T) {
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host, status := test.NewTestHost(requestTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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config, err := host.GetMatchConfig()
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require.NoError(t, err)
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require.NotNil(t, config)
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})
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// 测试响应转换配置解析
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t.Run("response transform config", func(t *testing.T) {
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host, status := test.NewTestHost(responseTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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config, err := host.GetMatchConfig()
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require.NoError(t, err)
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require.NotNil(t, config)
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})
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// 测试同时启用请求和响应转换的配置解析
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t.Run("both transform config", func(t *testing.T) {
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host, status := test.NewTestHost(bothTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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config, err := host.GetMatchConfig()
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require.NoError(t, err)
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require.NotNil(t, config)
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})
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// 测试禁用所有转换的配置解析
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t.Run("no transform config", func(t *testing.T) {
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host, status := test.NewTestHost(noTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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config, err := host.GetMatchConfig()
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require.NoError(t, err)
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require.NotNil(t, config)
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})
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// 测试缺少API密钥的配置解析
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t.Run("missing API key config", func(t *testing.T) {
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host, status := test.NewTestHost(missingAPIKeyConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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config, err := host.GetMatchConfig()
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require.NoError(t, err)
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require.NotNil(t, config)
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})
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})
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}
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func TestOnHttpRequestHeaders(t *testing.T) {
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test.RunTest(t, func(t *testing.T) {
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// 测试启用请求转换时的请求头处理
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t.Run("request transform enabled", func(t *testing.T) {
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host, status := test.NewTestHost(requestTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 设置请求头
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action := host.CallOnHttpRequestHeaders([][2]string{
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{":authority", "example.com"},
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{":path", "/api/test"},
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{":method", "POST"},
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{"content-type", "application/json"},
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})
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// 应该返回 HeaderStopIteration，因为需要读取请求体
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require.Equal(t, types.HeaderStopIteration, action)
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})
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// 测试禁用请求转换时的请求头处理
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t.Run("request transform disabled", func(t *testing.T) {
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host, status := test.NewTestHost(noTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 设置请求头
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action := host.CallOnHttpRequestHeaders([][2]string{
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{":authority", "example.com"},
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{":path", "/api/test"},
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{":method", "GET"},
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})
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// 应该返回 ActionContinue，因为不需要转换
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require.Equal(t, types.ActionContinue, action)
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})
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// 测试启用请求转换但缺少提示词时的请求头处理
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t.Run("request transform enabled but no prompt", func(t *testing.T) {
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// 创建缺少提示词的配置
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noPromptConfig := func() json.RawMessage {
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data, _ := json.Marshal(map[string]interface{}{
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"request": map[string]interface{}{
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"enable": true,
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"prompt": "",
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},
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"response": map[string]interface{}{
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"enable": false,
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"prompt": "",
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},
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"provider": map[string]interface{}{
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"apiKey": "test-api-key",
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"serviceName": "ai-service",
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"domain": "ai.example.com",
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},
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})
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return data
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}()
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host, status := test.NewTestHost(noPromptConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 设置请求头
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action := host.CallOnHttpRequestHeaders([][2]string{
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{":authority", "example.com"},
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{":path", "/api/test"},
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{":method", "GET"},
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})
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// 应该返回 ActionContinue，因为提示词为空
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require.Equal(t, types.ActionContinue, action)
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})
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})
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}
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func TestOnHttpRequestBody(t *testing.T) {
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test.RunTest(t, func(t *testing.T) {
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// 测试请求体转换
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t.Run("request body transformation", func(t *testing.T) {
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host, status := test.NewTestHost(requestTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 先设置请求头
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host.CallOnHttpRequestHeaders([][2]string{
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{":authority", "example.com"},
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{":path", "/api/test"},
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{":method", "POST"},
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{"content-type", "application/json"},
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})
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// 设置请求体
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requestBody := []byte(`{"name": "test", "value": "data"}`)
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action := host.CallOnHttpRequestBody(requestBody)
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// 应该返回 ActionPause，因为需要等待外部 AI 服务调用完成
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require.Equal(t, types.ActionPause, action)
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// 模拟 AI 服务的 HTTP 调用响应（仅包含头与空行，再跟随 body 的 HTTP 帧）
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// 注意：每个头部行必须有 key: value 格式，否则 extraceHttpFrame 会解析失败
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aiResponse := `{"output": {"text": "Host: example.com\nContent-Type: application/json\n\n{\"transformed\": true, \"data\": \"converted\"}"}}`
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host.CallOnHttpCall([][2]string{
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{"Content-Type", "application/json"},
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{":status", "200"},
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}, []byte(aiResponse))
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// 完成外呼回调后，应继续处理
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action = host.GetHttpStreamAction()
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require.Equal(t, types.ActionContinue, action)
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// 验证请求体已被替换为 AI 返回的内容
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expected := []byte(`{"transformed": true, "data": "converted"}`)
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got := host.GetRequestBody()
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require.Equal(t, expected, got)
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host.CompleteHttp()
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})
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// 测试 AI 服务返回无效 HTTP 帧的情况
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t.Run("invalid HTTP frame from AI service", func(t *testing.T) {
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host, status := test.NewTestHost(requestTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 先设置请求头
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host.CallOnHttpRequestHeaders([][2]string{
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{":authority", "example.com"},
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{":path", "/api/test"},
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{":method", "POST"},
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{"content-type", "application/json"},
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})
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// 设置请求体
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requestBody := []byte(`{"name": "test", "value": "data"}`)
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action := host.CallOnHttpRequestBody(requestBody)
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// 应该返回 ActionPause
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require.Equal(t, types.ActionPause, action)
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// 模拟 AI 服务返回格式错误但不会导致 panic 的响应
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// 返回一个包含 \n\n 但格式不正确的响应，这样 extraceHttpFrame 会返回错误但不会 panic
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invalidResponse := `{"output": {"text": "invalid\n\nhttp frame"}}`
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host.CallOnHttpCall([][2]string{
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{"Content-Type", "application/json"},
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{":status", "200"},
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}, []byte(invalidResponse))
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// 完成外呼回调后，应继续处理
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action = host.GetHttpStreamAction()
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require.Equal(t, types.ActionContinue, action)
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// 由于解析失败，请求体应该保持原样
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expected := requestBody
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got := host.GetRequestBody()
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require.Equal(t, expected, got)
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host.CompleteHttp()
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})
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})
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}
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func TestOnHttpResponseHeaders(t *testing.T) {
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test.RunTest(t, func(t *testing.T) {
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// 测试启用响应转换时的响应头处理
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t.Run("response transform enabled", func(t *testing.T) {
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host, status := test.NewTestHost(responseTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 设置响应头
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action := host.CallOnHttpResponseHeaders([][2]string{
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{":status", "200"},
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{"content-type", "application/json"},
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})
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// 应该返回 HeaderStopIteration，因为需要读取响应体
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require.Equal(t, types.HeaderStopIteration, action)
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})
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// 测试禁用响应转换时的响应头处理
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t.Run("response transform disabled", func(t *testing.T) {
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host, status := test.NewTestHost(noTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 设置响应头
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action := host.CallOnHttpResponseHeaders([][2]string{
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{":status", "200"},
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{"content-type", "application/json"},
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})
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// 应该返回 ActionContinue，因为不需要转换
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require.Equal(t, types.ActionContinue, action)
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})
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// 测试启用响应转换但缺少提示词时的响应头处理
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t.Run("response transform enabled but no prompt", func(t *testing.T) {
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// 创建缺少提示词的配置
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noPromptConfig := func() json.RawMessage {
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data, _ := json.Marshal(map[string]interface{}{
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"request": map[string]interface{}{
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"enable": false,
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"prompt": "",
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},
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"response": map[string]interface{}{
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"enable": true,
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"prompt": "",
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},
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"provider": map[string]interface{}{
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"apiKey": "test-api-key",
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"serviceName": "ai-service",
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"domain": "ai.example.com",
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},
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})
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return data
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}()
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host, status := test.NewTestHost(noPromptConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 设置响应头
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action := host.CallOnHttpResponseHeaders([][2]string{
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{":status", "200"},
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{"content-type", "application/json"},
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})
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// 应该返回 ActionContinue，因为提示词为空
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require.Equal(t, types.ActionContinue, action)
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})
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})
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}
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func TestOnHttpResponseBody(t *testing.T) {
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test.RunTest(t, func(t *testing.T) {
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// 测试响应体转换
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t.Run("response body transformation", func(t *testing.T) {
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host, status := test.NewTestHost(responseTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 先设置响应头
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host.CallOnHttpResponseHeaders([][2]string{
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{":status", "200"},
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{"content-type", "application/json"},
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})
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// 设置响应体
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responseBody := []byte(`{"status": "success", "data": "test"}`)
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action := host.CallOnHttpResponseBody(responseBody)
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// 应该返回 ActionPause，因为需要等待外部 AI 服务调用完成
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require.Equal(t, types.ActionPause, action)
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// 模拟 AI 服务的 HTTP 调用响应
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// 返回一个有效的 HTTP 帧格式，确保每个头部行都有 key: value 格式
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// 注意：不要包含状态行（如 HTTP/1.1 200 OK），只包含头部行
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aiResponse := `{"output": {"text": "Content-Type: application/xml\n\n<response><status>success</status><data>test</data></response>"}}`
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host.CallOnHttpCall([][2]string{
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{"Content-Type", "application/json"},
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{":status", "200"},
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}, []byte(aiResponse))
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// 完成外呼回调后，应继续处理
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action = host.GetHttpStreamAction()
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require.Equal(t, types.ActionContinue, action)
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// 验证响应体已被替换为 AI 返回的内容
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expected := []byte(`<response><status>success</status><data>test</data></response>`)
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got := host.GetResponseBody()
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require.Equal(t, expected, got)
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host.CompleteHttp()
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})
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// 测试 AI 服务返回无效 HTTP 帧的情况
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t.Run("invalid HTTP frame from AI service for response", func(t *testing.T) {
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host, status := test.NewTestHost(responseTransformConfig)
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defer host.Reset()
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require.Equal(t, types.OnPluginStartStatusOK, status)
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// 先设置响应头
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host.CallOnHttpResponseHeaders([][2]string{
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{":status", "200"},
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{"content-type", "application/json"},
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})
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// 设置响应体
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responseBody := []byte(`{"status": "success", "data": "test"}`)
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action := host.CallOnHttpResponseBody(responseBody)
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// 应该返回 ActionPause
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require.Equal(t, types.ActionPause, action)
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// 模拟 AI 服务返回格式错误但不会导致 panic 的响应
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// 返回一个包含 \n\n 但格式不正确的响应，这样 extraceHttpFrame 会返回错误但不会 panic
|
||
invalidResponse := `{"output": {"text": "invalid\n\nhttp frame"}}`
|
||
host.CallOnHttpCall([][2]string{
|
||
{"Content-Type", "application/json"},
|
||
{":status", "200"},
|
||
}, []byte(invalidResponse))
|
||
|
||
// 完成外呼回调后，应继续处理
|
||
action = host.GetHttpStreamAction()
|
||
require.Equal(t, types.ActionContinue, action)
|
||
|
||
// 由于解析失败，响应体应该保持原样
|
||
expected := responseBody
|
||
got := host.GetResponseBody()
|
||
require.Equal(t, expected, got)
|
||
|
||
host.CompleteHttp()
|
||
})
|
||
})
|
||
}
|
||
|
||
func TestCompleteFlow(t *testing.T) {
|
||
test.RunTest(t, func(t *testing.T) {
|
||
// 测试完整的请求和响应转换流程
|
||
t.Run("complete request and response transformation", func(t *testing.T) {
|
||
host, status := test.NewTestHost(bothTransformConfig)
|
||
defer host.Reset()
|
||
require.Equal(t, types.OnPluginStartStatusOK, status)
|
||
|
||
// 1. 处理请求头
|
||
action := host.CallOnHttpRequestHeaders([][2]string{
|
||
{":authority", "example.com"},
|
||
{":path", "/api/test"},
|
||
{":method", "POST"},
|
||
{"content-type", "application/json"},
|
||
})
|
||
|
||
// 应该返回 HeaderStopIteration
|
||
require.Equal(t, types.HeaderStopIteration, action)
|
||
|
||
// 2. 处理请求体
|
||
requestBody := []byte(`{"name": "test", "value": "data"}`)
|
||
action = host.CallOnHttpRequestBody(requestBody)
|
||
|
||
// 应该返回 ActionPause
|
||
require.Equal(t, types.ActionPause, action)
|
||
|
||
// 3. 模拟 AI 服务对请求的响应
|
||
// 确保头部行格式正确，避免 extraceHttpFrame 解析失败
|
||
requestAIResponse := `{"output": {"text": "Host: example.com\nContent-Type: application/json\n\n{\"transformed\": true, \"data\": \"converted\"}"}}`
|
||
host.CallOnHttpCall([][2]string{
|
||
{"Content-Type", "application/json"},
|
||
{":status", "200"},
|
||
}, []byte(requestAIResponse))
|
||
|
||
// 4. 处理响应头
|
||
action = host.CallOnHttpResponseHeaders([][2]string{
|
||
{":status", "200"},
|
||
{"content-type", "application/json"},
|
||
})
|
||
|
||
// 应该返回 HeaderStopIteration
|
||
require.Equal(t, types.HeaderStopIteration, action)
|
||
|
||
// 5. 处理响应体
|
||
responseBody := []byte(`{"status": "success", "data": "test"}`)
|
||
action = host.CallOnHttpResponseBody(responseBody)
|
||
|
||
// 应该返回 ActionPause
|
||
require.Equal(t, types.ActionPause, action)
|
||
|
||
// 6. 模拟 AI 服务对响应的响应
|
||
// 确保头部行格式正确，避免 extraceHttpFrame 解析失败
|
||
// 注意：不要包含状态行，只包含头部行
|
||
responseAIResponse := `{"output": {"text": "Content-Type: application/xml\n\n<response><status>success</status><data>test</data></response>"}}`
|
||
host.CallOnHttpCall([][2]string{
|
||
{"Content-Type", "application/json"},
|
||
{":status", "200"},
|
||
}, []byte(responseAIResponse))
|
||
|
||
// 验证请求和响应都被正确转换
|
||
// 检查请求体转换结果
|
||
expectedRequestBody := []byte(`{"transformed": true, "data": "converted"}`)
|
||
gotRequestBody := host.GetRequestBody()
|
||
require.Equal(t, expectedRequestBody, gotRequestBody)
|
||
|
||
// 检查响应体转换结果
|
||
expectedResponseBody := []byte(`<response><status>success</status><data>test</data></response>`)
|
||
gotResponseBody := host.GetResponseBody()
|
||
require.Equal(t, expectedResponseBody, gotResponseBody)
|
||
|
||
// 7. 完成请求
|
||
host.CompleteHttp()
|
||
})
|
||
})
|
||
}
|