Add Go service/handler tests for API contract parity (#16905)

internal/handler/search_handler_test.go

@@ -0,0 +1,100 @@
+//
+//  Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
+//
+//  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 handler
+
+import (
+	"encoding/json"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+
+	"ragflow/internal/common"
+	"ragflow/internal/dao"
+	"ragflow/internal/entity"
+	"ragflow/internal/service"
+)
+
+func setupSearchHandlerTestDB(t *testing.T) *gorm.DB {
+	t.Helper()
+
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{
+		TranslateError: true,
+	})
+	if err != nil {
+		t.Fatalf("failed to open sqlite: %v", err)
+	}
+	if err := db.AutoMigrate(&entity.Search{}, &entity.UserTenant{}); err != nil {
+		t.Fatalf("failed to migrate test schema: %v", err)
+	}
+
+	origDB := dao.DB
+	dao.DB = db
+	t.Cleanup(func() { dao.DB = origDB })
+
+	return db
+}
+
+func TestSearchHandlerCreateRejectsEmptyName(t *testing.T) {
+	setupSearchHandlerTestDB(t)
+
+	h := NewSearchHandler(service.NewSearchService(), service.NewUserService())
+	c, w := setupGinContextWithUser("POST", "/api/v1/searches", `{"name": "   "}`)
+
+	h.CreateSearch(c)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", w.Code, w.Body.String())
+	}
+	var resp map[string]interface{}
+	if err := json.Unmarshal(w.Body.Bytes(), &resp); err != nil {
+		t.Fatalf("failed to decode response: %v", err)
+	}
+	if resp["code"] != float64(common.CodeDataError) {
+		t.Fatalf("expected code 102, got %v", resp["code"])
+	}
+	if !strings.Contains(resp["message"].(string), "empty") {
+		t.Fatalf("expected message containing 'empty', got %v", resp["message"])
+	}
+}
+
+func TestSearchHandlerUpdateRejectsInvalidSearchID(t *testing.T) {
+	setupSearchHandlerTestDB(t)
+
+	h := NewSearchHandler(service.NewSearchService(), service.NewUserService())
+	c, w := setupGinContextWithUser("PUT", "/api/v1/searches/invalid_search_id", `{"name": "invalid", "search_config": {}}`)
+	c.Params = []gin.Param{{Key: "search_id", Value: "invalid_search_id"}}
+
+	h.UpdateSearch(c)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", w.Code, w.Body.String())
+	}
+	var resp map[string]interface{}
+	if err := json.Unmarshal(w.Body.Bytes(), &resp); err != nil {
+		t.Fatalf("failed to decode response: %v", err)
+	}
+	if resp["code"] != float64(common.CodeAuthenticationError) {
+		t.Fatalf("expected code 109, got %v", resp["code"])
+	}
+	if !strings.Contains(resp["message"].(string), "No authorization") {
+		t.Fatalf("expected 'No authorization' in message, got %v", resp["message"])
+	}
+}