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Files
nex/backend/tests/integration/integration_test.go
lanyuanxiaoyao df253559a5 feat(cache): 实现 RoutingCache 和 StatsBuffer 优化数据库写入
- 新增 RoutingCache 组件,使用 sync.Map 缓存 Provider 和 Model
- 新增 StatsBuffer 组件,使用 sync.Map + atomic.Int64 缓冲统计数据
- 扩展 StatsRepository.BatchUpdate 支持批量增量更新
- 改造 RoutingService/StatsService/ProviderService/ModelService 集成缓存
- 更新 usage-statistics spec,新增 routing-cache 和 stats-buffer spec
- 新增单元测试覆盖缓存命中/失效/并发场景
2026-04-22 19:24:36 +08:00

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package integration
import (
"bytes"
"encoding/json"
"net/http/httptest"
"testing"
"time"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/assert"
"go.uber.org/zap"
"gorm.io/gorm"
"nex/backend/internal/domain"
"nex/backend/internal/handler"
"nex/backend/internal/handler/middleware"
"nex/backend/internal/repository"
"nex/backend/internal/service"
)
func init() {
gin.SetMode(gin.TestMode)
}
func setupIntegrationTest(t *testing.T) (*gin.Engine, *gorm.DB) {
t.Helper()
db := setupTestDB(t)
providerRepo := repository.NewProviderRepository(db)
modelRepo := repository.NewModelRepository(db)
statsRepo := repository.NewStatsRepository(db)
logger := zap.NewNop()
routingCache := service.NewRoutingCache(modelRepo, providerRepo, logger)
statsBuffer := service.NewStatsBuffer(statsRepo, logger)
providerService := service.NewProviderService(providerRepo, modelRepo, routingCache)
modelService := service.NewModelService(modelRepo, providerRepo, routingCache)
_ = service.NewRoutingService(routingCache)
statsService := service.NewStatsService(statsRepo, statsBuffer)
providerHandler := handler.NewProviderHandler(providerService)
modelHandler := handler.NewModelHandler(modelService)
statsHandler := handler.NewStatsHandler(statsService)
r := gin.New()
r.Use(middleware.CORS())
providers := r.Group("/api/providers")
{
providers.GET("", providerHandler.ListProviders)
providers.POST("", providerHandler.CreateProvider)
providers.GET("/:id", providerHandler.GetProvider)
providers.PUT("/:id", providerHandler.UpdateProvider)
providers.DELETE("/:id", providerHandler.DeleteProvider)
}
models := r.Group("/api/models")
{
models.GET("", modelHandler.ListModels)
models.POST("", modelHandler.CreateModel)
models.GET("/:id", modelHandler.GetModel)
models.PUT("/:id", modelHandler.UpdateModel)
models.DELETE("/:id", modelHandler.DeleteModel)
}
stats := r.Group("/api/stats")
{
stats.GET("", statsHandler.GetStats)
stats.GET("/aggregate", statsHandler.AggregateStats)
}
return r, db
}
func TestOpenAI_CompleteFlow(t *testing.T) {
r, _ := setupIntegrationTest(t)
// 1. 创建 Provider
providerBody, _ := json.Marshal(map[string]string{
"id": "openai", "name": "OpenAI", "api_key": "sk-test-key", "base_url": "https://api.openai.com/v1",
})
w := httptest.NewRecorder()
req := httptest.NewRequest("POST", "/api/providers", bytes.NewReader(providerBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
assert.Equal(t, 201, w.Code)
// 2. 创建 Model
modelBody, _ := json.Marshal(map[string]string{
"provider_id": "openai", "model_name": "gpt-4",
})
w = httptest.NewRecorder()
req = httptest.NewRequest("POST", "/api/models", bytes.NewReader(modelBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
assert.Equal(t, 201, w.Code)
var createdModel domain.Model
json.Unmarshal(w.Body.Bytes(), &createdModel)
assert.NotEmpty(t, createdModel.ID)
// 3. 列出 Provider
w = httptest.NewRecorder()
req = httptest.NewRequest("GET", "/api/providers", nil)
r.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
var providers []domain.Provider
json.Unmarshal(w.Body.Bytes(), &providers)
assert.Len(t, providers, 1)
assert.Equal(t, "sk-test-key", providers[0].APIKey)
// 4. 列出 Model
w = httptest.NewRecorder()
req = httptest.NewRequest("GET", "/api/models?provider_id=openai", nil)
r.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
var models []domain.Model
json.Unmarshal(w.Body.Bytes(), &models)
assert.Len(t, models, 1)
assert.Equal(t, "gpt-4", models[0].ModelName)
// 5. 更新 Provider
updateBody, _ := json.Marshal(map[string]string{"name": "OpenAI Updated"})
w = httptest.NewRecorder()
req = httptest.NewRequest("PUT", "/api/providers/openai", bytes.NewReader(updateBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
// 6. 删除 Model
w = httptest.NewRecorder()
req = httptest.NewRequest("DELETE", "/api/models/"+createdModel.ID, nil)
r.ServeHTTP(w, req)
assert.Equal(t, 204, w.Code)
// 7. 删除 Provider
w = httptest.NewRecorder()
req = httptest.NewRequest("DELETE", "/api/providers/openai", nil)
r.ServeHTTP(w, req)
assert.Equal(t, 204, w.Code)
}
func TestAnthropic_ModelCreation(t *testing.T) {
r, _ := setupIntegrationTest(t)
// 创建 Provider 和 Model 用于 Anthropic 代理
providerBody, _ := json.Marshal(map[string]string{
"id": "anthropic", "name": "Anthropic", "api_key": "sk-ant-test", "base_url": "https://api.anthropic.com/v1",
})
w := httptest.NewRecorder()
req := httptest.NewRequest("POST", "/api/providers", bytes.NewReader(providerBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
assert.Equal(t, 201, w.Code)
modelBody, _ := json.Marshal(map[string]string{
"provider_id": "anthropic", "model_name": "claude-3-opus-20240229",
})
w = httptest.NewRecorder()
req = httptest.NewRequest("POST", "/api/models", bytes.NewReader(modelBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
assert.Equal(t, 201, w.Code)
var createdModel domain.Model
json.Unmarshal(w.Body.Bytes(), &createdModel)
// 验证创建成功
w = httptest.NewRecorder()
req = httptest.NewRequest("GET", "/api/models/"+createdModel.ID, nil)
r.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
}
func TestStats_RecordingAndQuery(t *testing.T) {
r, db := setupIntegrationTest(t)
// 创建 Provider 和 Model
providerBody, _ := json.Marshal(map[string]string{
"id": "p1", "name": "Provider1", "api_key": "key", "base_url": "https://test.com",
})
w := httptest.NewRecorder()
req := httptest.NewRequest("POST", "/api/providers", bytes.NewReader(providerBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
modelBody, _ := json.Marshal(map[string]string{
"provider_id": "p1", "model_name": "gpt-4",
})
w = httptest.NewRecorder()
req = httptest.NewRequest("POST", "/api/models", bytes.NewReader(modelBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
// 直接通过 repository 记录统计(模拟代理请求后的统计记录)
statsRepo := repository.NewStatsRepository(db)
statsRepo.Record("p1", "gpt-4")
statsRepo.Record("p1", "gpt-4")
statsRepo.Record("p1", "gpt-4")
// 查询统计
w = httptest.NewRecorder()
req = httptest.NewRequest("GET", "/api/stats?provider_id=p1", nil)
r.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
var stats []domain.UsageStats
json.Unmarshal(w.Body.Bytes(), &stats)
assert.Len(t, stats, 1)
assert.Equal(t, 3, stats[0].RequestCount)
// 聚合统计
w = httptest.NewRecorder()
req = httptest.NewRequest("GET", "/api/stats/aggregate?group_by=provider", nil)
r.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
}
func TestProvider_DuplicateCreation(t *testing.T) {
r, _ := setupIntegrationTest(t)
providerBody, _ := json.Marshal(map[string]string{
"id": "p1", "name": "P1", "api_key": "key", "base_url": "https://test.com",
})
// 第一次创建成功
w := httptest.NewRecorder()
req := httptest.NewRequest("POST", "/api/providers", bytes.NewReader(providerBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
assert.Equal(t, 201, w.Code)
// 第二次创建应失败UNIQUE 约束)
w = httptest.NewRecorder()
req = httptest.NewRequest("POST", "/api/providers", bytes.NewReader(providerBody))
req.Header.Set("Content-Type", "application/json")
r.ServeHTTP(w, req)
assert.Equal(t, 409, w.Code)
}
func TestProvider_NotFound(t *testing.T) {
r, _ := setupIntegrationTest(t)
w := httptest.NewRecorder()
req := httptest.NewRequest("GET", "/api/providers/nonexistent", nil)
r.ServeHTTP(w, req)
assert.Equal(t, 404, w.Code)
}
func TestStats_InvalidDate(t *testing.T) {
r, _ := setupIntegrationTest(t)
w := httptest.NewRecorder()
req := httptest.NewRequest("GET", "/api/stats?start_date=not-a-date", nil)
r.ServeHTTP(w, req)
assert.Equal(t, 400, w.Code)
}
// Suppress unused import warning
var _ = time.Second