feat: backend core - auth, user, role, permission, device, webhook, monitoring, cache, repository, service, middleware, API handlers

This commit is contained in:
2026-04-02 11:19:50 +08:00
parent e59a77bc49
commit dcc1f186f8
298 changed files with 62603 additions and 0 deletions

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// Package response provides standardized HTTP response helpers.
package response
import (
"log"
"math"
"net/http"
infraerrors "github.com/user-management-system/internal/pkg/errors"
"github.com/user-management-system/internal/util/logredact"
"github.com/gin-gonic/gin"
)
// Response 标准API响应格式
type Response struct {
Code int `json:"code"`
Message string `json:"message"`
Reason string `json:"reason,omitempty"`
Metadata map[string]string `json:"metadata,omitempty"`
Data any `json:"data,omitempty"`
}
// PaginatedData 分页数据格式(匹配前端期望)
type PaginatedData struct {
Items any `json:"items"`
Total int64 `json:"total"`
Page int `json:"page"`
PageSize int `json:"page_size"`
Pages int `json:"pages"`
}
// Success 返回成功响应
func Success(c *gin.Context, data any) {
c.JSON(http.StatusOK, Response{
Code: 0,
Message: "success",
Data: data,
})
}
// Created 返回创建成功响应
func Created(c *gin.Context, data any) {
c.JSON(http.StatusCreated, Response{
Code: 0,
Message: "success",
Data: data,
})
}
// Accepted 返回异步接受响应 (HTTP 202)
func Accepted(c *gin.Context, data any) {
c.JSON(http.StatusAccepted, Response{
Code: 0,
Message: "accepted",
Data: data,
})
}
// Error 返回错误响应
func Error(c *gin.Context, statusCode int, message string) {
c.JSON(statusCode, Response{
Code: statusCode,
Message: message,
Reason: "",
Metadata: nil,
})
}
// ErrorWithDetails returns an error response compatible with the existing envelope while
// optionally providing structured error fields (reason/metadata).
func ErrorWithDetails(c *gin.Context, statusCode int, message, reason string, metadata map[string]string) {
c.JSON(statusCode, Response{
Code: statusCode,
Message: message,
Reason: reason,
Metadata: metadata,
})
}
// ErrorFrom converts an ApplicationError (or any error) into the envelope-compatible error response.
// It returns true if an error was written.
func ErrorFrom(c *gin.Context, err error) bool {
if err == nil {
return false
}
statusCode, status := infraerrors.ToHTTP(err)
// Log internal errors with full details for debugging
if statusCode >= 500 && c.Request != nil {
log.Printf("[ERROR] %s %s\n Error: %s", c.Request.Method, c.Request.URL.Path, logredact.RedactText(err.Error()))
}
ErrorWithDetails(c, statusCode, status.Message, status.Reason, status.Metadata)
return true
}
// BadRequest 返回400错误
func BadRequest(c *gin.Context, message string) {
Error(c, http.StatusBadRequest, message)
}
// Unauthorized 返回401错误
func Unauthorized(c *gin.Context, message string) {
Error(c, http.StatusUnauthorized, message)
}
// Forbidden 返回403错误
func Forbidden(c *gin.Context, message string) {
Error(c, http.StatusForbidden, message)
}
// NotFound 返回404错误
func NotFound(c *gin.Context, message string) {
Error(c, http.StatusNotFound, message)
}
// InternalError 返回500错误
func InternalError(c *gin.Context, message string) {
Error(c, http.StatusInternalServerError, message)
}
// Paginated 返回分页数据
func Paginated(c *gin.Context, items any, total int64, page, pageSize int) {
pages := int(math.Ceil(float64(total) / float64(pageSize)))
if pages < 1 {
pages = 1
}
Success(c, PaginatedData{
Items: items,
Total: total,
Page: page,
PageSize: pageSize,
Pages: pages,
})
}
// PaginationResult 分页结果与pagination.PaginationResult兼容
type PaginationResult struct {
Total int64
Page int
PageSize int
Pages int
}
// PaginatedWithResult 使用PaginationResult返回分页数据
func PaginatedWithResult(c *gin.Context, items any, pagination *PaginationResult) {
if pagination == nil {
Success(c, PaginatedData{
Items: items,
Total: 0,
Page: 1,
PageSize: 20,
Pages: 1,
})
return
}
Success(c, PaginatedData{
Items: items,
Total: pagination.Total,
Page: pagination.Page,
PageSize: pagination.PageSize,
Pages: pagination.Pages,
})
}
// ParsePagination 解析分页参数
func ParsePagination(c *gin.Context) (page, pageSize int) {
page = 1
pageSize = 20
if p := c.Query("page"); p != "" {
if val, err := parseInt(p); err == nil && val > 0 {
page = val
}
}
// 支持 page_size 和 limit 两种参数名
if ps := c.Query("page_size"); ps != "" {
if val, err := parseInt(ps); err == nil && val > 0 && val <= 1000 {
pageSize = val
}
} else if l := c.Query("limit"); l != "" {
if val, err := parseInt(l); err == nil && val > 0 && val <= 1000 {
pageSize = val
}
}
return page, pageSize
}
func parseInt(s string) (int, error) {
var result int
for _, c := range s {
if c < '0' || c > '9' {
return 0, nil
}
result = result*10 + int(c-'0')
}
return result, nil
}

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//go:build unit
package response
import (
"encoding/json"
"errors"
"net/http"
"net/http/httptest"
"testing"
errors2 "github.com/user-management-system/internal/pkg/errors"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/require"
)
// ---------- 辅助函数 ----------
// parseResponseBody 从 httptest.ResponseRecorder 中解析 JSON 响应体
func parseResponseBody(t *testing.T, w *httptest.ResponseRecorder) Response {
t.Helper()
var got Response
require.NoError(t, json.Unmarshal(w.Body.Bytes(), &got))
return got
}
// parsePaginatedBody 从响应体中解析分页数据Data 字段是 PaginatedData
func parsePaginatedBody(t *testing.T, w *httptest.ResponseRecorder) (Response, PaginatedData) {
t.Helper()
// 先用 raw json 解析,因为 Data 是 any 类型
var raw struct {
Code int `json:"code"`
Message string `json:"message"`
Reason string `json:"reason,omitempty"`
Data json.RawMessage `json:"data,omitempty"`
}
require.NoError(t, json.Unmarshal(w.Body.Bytes(), &raw))
var pd PaginatedData
require.NoError(t, json.Unmarshal(raw.Data, &pd))
return Response{Code: raw.Code, Message: raw.Message, Reason: raw.Reason}, pd
}
// newContextWithQuery 创建一个带有 URL query 参数的 gin.Context 用于测试 ParsePagination
func newContextWithQuery(query string) (*httptest.ResponseRecorder, *gin.Context) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
c.Request = httptest.NewRequest(http.MethodGet, "/?"+query, nil)
return w, c
}
// ---------- 现有测试 ----------
func TestErrorWithDetails(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
statusCode int
message string
reason string
metadata map[string]string
want Response
}{
{
name: "plain_error",
statusCode: http.StatusBadRequest,
message: "invalid request",
want: Response{
Code: http.StatusBadRequest,
Message: "invalid request",
},
},
{
name: "structured_error",
statusCode: http.StatusForbidden,
message: "no access",
reason: "FORBIDDEN",
metadata: map[string]string{"k": "v"},
want: Response{
Code: http.StatusForbidden,
Message: "no access",
Reason: "FORBIDDEN",
Metadata: map[string]string{"k": "v"},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
ErrorWithDetails(c, tt.statusCode, tt.message, tt.reason, tt.metadata)
require.Equal(t, tt.statusCode, w.Code)
var got Response
require.NoError(t, json.Unmarshal(w.Body.Bytes(), &got))
require.Equal(t, tt.want, got)
})
}
}
func TestErrorFrom(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
err error
wantWritten bool
wantHTTPCode int
wantBody Response
}{
{
name: "nil_error",
err: nil,
wantWritten: false,
},
{
name: "application_error",
err: errors2.Forbidden("FORBIDDEN", "no access").WithMetadata(map[string]string{"scope": "admin"}),
wantWritten: true,
wantHTTPCode: http.StatusForbidden,
wantBody: Response{
Code: http.StatusForbidden,
Message: "no access",
Reason: "FORBIDDEN",
Metadata: map[string]string{"scope": "admin"},
},
},
{
name: "bad_request_error",
err: errors2.BadRequest("INVALID_REQUEST", "invalid request"),
wantWritten: true,
wantHTTPCode: http.StatusBadRequest,
wantBody: Response{
Code: http.StatusBadRequest,
Message: "invalid request",
Reason: "INVALID_REQUEST",
},
},
{
name: "unauthorized_error",
err: errors2.Unauthorized("UNAUTHORIZED", "unauthorized"),
wantWritten: true,
wantHTTPCode: http.StatusUnauthorized,
wantBody: Response{
Code: http.StatusUnauthorized,
Message: "unauthorized",
Reason: "UNAUTHORIZED",
},
},
{
name: "not_found_error",
err: errors2.NotFound("NOT_FOUND", "not found"),
wantWritten: true,
wantHTTPCode: http.StatusNotFound,
wantBody: Response{
Code: http.StatusNotFound,
Message: "not found",
Reason: "NOT_FOUND",
},
},
{
name: "conflict_error",
err: errors2.Conflict("CONFLICT", "conflict"),
wantWritten: true,
wantHTTPCode: http.StatusConflict,
wantBody: Response{
Code: http.StatusConflict,
Message: "conflict",
Reason: "CONFLICT",
},
},
{
name: "unknown_error_defaults_to_500",
err: errors.New("boom"),
wantWritten: true,
wantHTTPCode: http.StatusInternalServerError,
wantBody: Response{
Code: http.StatusInternalServerError,
Message: errors2.UnknownMessage,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
written := ErrorFrom(c, tt.err)
require.Equal(t, tt.wantWritten, written)
if !tt.wantWritten {
require.Equal(t, 200, w.Code)
require.Empty(t, w.Body.String())
return
}
require.Equal(t, tt.wantHTTPCode, w.Code)
var got Response
require.NoError(t, json.Unmarshal(w.Body.Bytes(), &got))
require.Equal(t, tt.wantBody, got)
})
}
}
// ---------- 新增测试 ----------
func TestSuccess(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
data any
wantCode int
wantBody Response
}{
{
name: "返回字符串数据",
data: "hello",
wantCode: http.StatusOK,
wantBody: Response{Code: 0, Message: "success", Data: "hello"},
},
{
name: "返回nil数据",
data: nil,
wantCode: http.StatusOK,
wantBody: Response{Code: 0, Message: "success"},
},
{
name: "返回map数据",
data: map[string]string{"key": "value"},
wantCode: http.StatusOK,
wantBody: Response{Code: 0, Message: "success"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
Success(c, tt.data)
require.Equal(t, tt.wantCode, w.Code)
// 只验证 code 和 messagedata 字段类型在 JSON 反序列化时会变成 map/slice
got := parseResponseBody(t, w)
require.Equal(t, 0, got.Code)
require.Equal(t, "success", got.Message)
if tt.data == nil {
require.Nil(t, got.Data)
} else {
require.NotNil(t, got.Data)
}
})
}
}
func TestCreated(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
data any
wantCode int
}{
{
name: "创建成功_返回数据",
data: map[string]int{"id": 42},
wantCode: http.StatusCreated,
},
{
name: "创建成功_nil数据",
data: nil,
wantCode: http.StatusCreated,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
Created(c, tt.data)
require.Equal(t, tt.wantCode, w.Code)
got := parseResponseBody(t, w)
require.Equal(t, 0, got.Code)
require.Equal(t, "success", got.Message)
})
}
}
func TestError(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
statusCode int
message string
}{
{
name: "400错误",
statusCode: http.StatusBadRequest,
message: "bad request",
},
{
name: "500错误",
statusCode: http.StatusInternalServerError,
message: "internal error",
},
{
name: "自定义状态码",
statusCode: 418,
message: "I'm a teapot",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
Error(c, tt.statusCode, tt.message)
require.Equal(t, tt.statusCode, w.Code)
got := parseResponseBody(t, w)
require.Equal(t, tt.statusCode, got.Code)
require.Equal(t, tt.message, got.Message)
require.Empty(t, got.Reason)
require.Nil(t, got.Metadata)
require.Nil(t, got.Data)
})
}
}
func TestBadRequest(t *testing.T) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
BadRequest(c, "参数无效")
require.Equal(t, http.StatusBadRequest, w.Code)
got := parseResponseBody(t, w)
require.Equal(t, http.StatusBadRequest, got.Code)
require.Equal(t, "参数无效", got.Message)
}
func TestUnauthorized(t *testing.T) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
Unauthorized(c, "未登录")
require.Equal(t, http.StatusUnauthorized, w.Code)
got := parseResponseBody(t, w)
require.Equal(t, http.StatusUnauthorized, got.Code)
require.Equal(t, "未登录", got.Message)
}
func TestForbidden(t *testing.T) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
Forbidden(c, "无权限")
require.Equal(t, http.StatusForbidden, w.Code)
got := parseResponseBody(t, w)
require.Equal(t, http.StatusForbidden, got.Code)
require.Equal(t, "无权限", got.Message)
}
func TestNotFound(t *testing.T) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
NotFound(c, "资源不存在")
require.Equal(t, http.StatusNotFound, w.Code)
got := parseResponseBody(t, w)
require.Equal(t, http.StatusNotFound, got.Code)
require.Equal(t, "资源不存在", got.Message)
}
func TestInternalError(t *testing.T) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
InternalError(c, "服务器内部错误")
require.Equal(t, http.StatusInternalServerError, w.Code)
got := parseResponseBody(t, w)
require.Equal(t, http.StatusInternalServerError, got.Code)
require.Equal(t, "服务器内部错误", got.Message)
}
func TestPaginated(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
items any
total int64
page int
pageSize int
wantPages int
wantTotal int64
wantPage int
wantPageSize int
}{
{
name: "标准分页_多页",
items: []string{"a", "b"},
total: 25,
page: 1,
pageSize: 10,
wantPages: 3,
wantTotal: 25,
wantPage: 1,
wantPageSize: 10,
},
{
name: "总数刚好整除",
items: []string{"a"},
total: 20,
page: 2,
pageSize: 10,
wantPages: 2,
wantTotal: 20,
wantPage: 2,
wantPageSize: 10,
},
{
name: "总数为0_pages至少为1",
items: []string{},
total: 0,
page: 1,
pageSize: 10,
wantPages: 1,
wantTotal: 0,
wantPage: 1,
wantPageSize: 10,
},
{
name: "单页数据",
items: []int{1, 2, 3},
total: 3,
page: 1,
pageSize: 20,
wantPages: 1,
wantTotal: 3,
wantPage: 1,
wantPageSize: 20,
},
{
name: "总数为1",
items: []string{"only"},
total: 1,
page: 1,
pageSize: 10,
wantPages: 1,
wantTotal: 1,
wantPage: 1,
wantPageSize: 10,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
Paginated(c, tt.items, tt.total, tt.page, tt.pageSize)
require.Equal(t, http.StatusOK, w.Code)
resp, pd := parsePaginatedBody(t, w)
require.Equal(t, 0, resp.Code)
require.Equal(t, "success", resp.Message)
require.Equal(t, tt.wantTotal, pd.Total)
require.Equal(t, tt.wantPage, pd.Page)
require.Equal(t, tt.wantPageSize, pd.PageSize)
require.Equal(t, tt.wantPages, pd.Pages)
})
}
}
func TestPaginatedWithResult(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
items any
pagination *PaginationResult
wantTotal int64
wantPage int
wantPageSize int
wantPages int
}{
{
name: "正常分页结果",
items: []string{"a", "b"},
pagination: &PaginationResult{
Total: 50,
Page: 3,
PageSize: 10,
Pages: 5,
},
wantTotal: 50,
wantPage: 3,
wantPageSize: 10,
wantPages: 5,
},
{
name: "pagination为nil_使用默认值",
items: []string{},
pagination: nil,
wantTotal: 0,
wantPage: 1,
wantPageSize: 20,
wantPages: 1,
},
{
name: "单页结果",
items: []int{1},
pagination: &PaginationResult{
Total: 1,
Page: 1,
PageSize: 20,
Pages: 1,
},
wantTotal: 1,
wantPage: 1,
wantPageSize: 20,
wantPages: 1,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
PaginatedWithResult(c, tt.items, tt.pagination)
require.Equal(t, http.StatusOK, w.Code)
resp, pd := parsePaginatedBody(t, w)
require.Equal(t, 0, resp.Code)
require.Equal(t, "success", resp.Message)
require.Equal(t, tt.wantTotal, pd.Total)
require.Equal(t, tt.wantPage, pd.Page)
require.Equal(t, tt.wantPageSize, pd.PageSize)
require.Equal(t, tt.wantPages, pd.Pages)
})
}
}
func TestParsePagination(t *testing.T) {
gin.SetMode(gin.TestMode)
tests := []struct {
name string
query string
wantPage int
wantPageSize int
}{
{
name: "无参数_使用默认值",
query: "",
wantPage: 1,
wantPageSize: 20,
},
{
name: "仅指定page",
query: "page=3",
wantPage: 3,
wantPageSize: 20,
},
{
name: "仅指定page_size",
query: "page_size=50",
wantPage: 1,
wantPageSize: 50,
},
{
name: "同时指定page和page_size",
query: "page=2&page_size=30",
wantPage: 2,
wantPageSize: 30,
},
{
name: "使用limit代替page_size",
query: "limit=15",
wantPage: 1,
wantPageSize: 15,
},
{
name: "page_size优先于limit",
query: "page_size=25&limit=50",
wantPage: 1,
wantPageSize: 25,
},
{
name: "page为0_使用默认值",
query: "page=0",
wantPage: 1,
wantPageSize: 20,
},
{
name: "page_size超过1000_使用默认值",
query: "page_size=1001",
wantPage: 1,
wantPageSize: 20,
},
{
name: "page_size恰好1000_有效",
query: "page_size=1000",
wantPage: 1,
wantPageSize: 1000,
},
{
name: "page为非数字_使用默认值",
query: "page=abc",
wantPage: 1,
wantPageSize: 20,
},
{
name: "page_size为非数字_使用默认值",
query: "page_size=xyz",
wantPage: 1,
wantPageSize: 20,
},
{
name: "limit为非数字_使用默认值",
query: "limit=abc",
wantPage: 1,
wantPageSize: 20,
},
{
name: "page_size为0_使用默认值",
query: "page_size=0",
wantPage: 1,
wantPageSize: 20,
},
{
name: "limit为0_使用默认值",
query: "limit=0",
wantPage: 1,
wantPageSize: 20,
},
{
name: "大页码",
query: "page=999&page_size=100",
wantPage: 999,
wantPageSize: 100,
},
{
name: "page_size为1_最小有效值",
query: "page_size=1",
wantPage: 1,
wantPageSize: 1,
},
{
name: "混合数字和字母的page",
query: "page=12a",
wantPage: 1,
wantPageSize: 20,
},
{
name: "limit超过1000_使用默认值",
query: "limit=2000",
wantPage: 1,
wantPageSize: 20,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
_, c := newContextWithQuery(tt.query)
page, pageSize := ParsePagination(c)
require.Equal(t, tt.wantPage, page, "page 不符合预期")
require.Equal(t, tt.wantPageSize, pageSize, "pageSize 不符合预期")
})
}
}
func Test_parseInt(t *testing.T) {
tests := []struct {
name string
input string
wantVal int
wantErr bool
}{
{
name: "正常数字",
input: "123",
wantVal: 123,
wantErr: false,
},
{
name: "零",
input: "0",
wantVal: 0,
wantErr: false,
},
{
name: "单个数字",
input: "5",
wantVal: 5,
wantErr: false,
},
{
name: "大数字",
input: "99999",
wantVal: 99999,
wantErr: false,
},
{
name: "包含字母_返回0",
input: "abc",
wantVal: 0,
wantErr: false,
},
{
name: "数字开头接字母_返回0",
input: "12a",
wantVal: 0,
wantErr: false,
},
{
name: "包含负号_返回0",
input: "-1",
wantVal: 0,
wantErr: false,
},
{
name: "包含小数点_返回0",
input: "1.5",
wantVal: 0,
wantErr: false,
},
{
name: "包含空格_返回0",
input: "1 2",
wantVal: 0,
wantErr: false,
},
{
name: "空字符串",
input: "",
wantVal: 0,
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
val, err := parseInt(tt.input)
if tt.wantErr {
require.Error(t, err)
} else {
require.NoError(t, err)
}
require.Equal(t, tt.wantVal, val)
})
}
}