优化结构

This commit is contained in:
Yvan 2026-08-25 16:38:51 +08:00
parent ee179d6b34
commit 001e39da50
9 changed files with 67 additions and 418 deletions

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@ -10,7 +10,7 @@ api/<domain>/<version>/ Proto sources and generated stubs. Public contract.
cmd/<app>/ Entrypoint, Wire injector, main.go.
configs/ Runtime config (config.yaml). No secrets.
internal/config/ Viper config models, loading, snapshots, and reloads.
internal/global/ Process-wide shared resource registry.
internal/global/ Process-wide shared runtime resources.
internal/server/ HTTP/gRPC server wiring.
internal/service/ Transport adapters; one file per resource.
internal/biz/ Domain models, usecases, repo interfaces, errors.

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@ -10,11 +10,6 @@ import (
"kra/internal/app"
"kra/internal/config"
"kra/internal/data"
"kra/internal/global"
mqintegration "kra/internal/integration/mq"
"kra/internal/integration/storage"
websocketintegration "kra/internal/integration/websocket"
"kra/internal/server/router"
"kra/internal/service"
"kra/internal/service/dto"
@ -43,6 +38,14 @@ var (
id, _ = os.Hostname()
)
// Service identity reported to logs, health output, and the API documentation.
// A plain `go run` leaves the ldflags empty, so these are the fallbacks.
const (
appName = "Kra Admin"
appDescription = "Kratos 管理后台服务"
defaultVersion = "v0.0.0-dev"
)
func init() {
flag.StringVar(&flagconf, "conf", "./configs", "config path, eg: -conf config.yaml")
}
@ -56,27 +59,7 @@ func runtimeContributions(systemRoutes *router.Routes, systemTasks *worker.TaskM
}
}
func installGlobalResources(logger *slog.Logger, dataStore *data.Data, fileStorage *storage.Reloadable, broker *mqintegration.Reloadable, websocket *websocketintegration.Server, scheduler *worker.TaskScheduler) *global.ResourceRegistry {
install := func() {
global.Install(global.Resources{
Logger: logger,
DB: dataStore.DB(),
NamedDBs: dataStore.NamedDatabases(),
Redis: dataStore.RedisClient(),
NamedRedis: dataStore.NamedRedisClients(),
Mongo: dataStore.MongoClient(),
Storage: fileStorage,
MQ: broker,
WebSocket: websocket,
Scheduler: scheduler,
})
}
dataStore.SetResourceHook(install)
install()
return global.DefaultRegistry()
}
func newApp(logger *slog.Logger, hs *kratoshttp.Server, scheduler *worker.TaskScheduler, audit *service.AuditRecorder, loggerControl *logging.ReloadableLogger, _ mq.Client, _ *global.ResourceRegistry) *kratos.App {
func newApp(logger *slog.Logger, hs *kratoshttp.Server, scheduler *worker.TaskScheduler, audit *service.AuditRecorder, loggerControl *logging.ReloadableLogger, _ mq.Client) *kratos.App {
if audit != nil && loggerControl != nil {
loggerControl.SetErrorSink(logging.ErrorSinkFunc(func(ctx context.Context, entry logging.ErrorEntry) error {
return audit.CreateErrorRequest(ctx, &dto.ErrorRecordRequest{Form: entry.Form, Info: entry.Info, Level: entry.Level, RequestID: entry.RequestID, TraceID: entry.TraceID})
@ -86,7 +69,7 @@ func newApp(logger *slog.Logger, hs *kratoshttp.Server, scheduler *worker.TaskSc
kratos.ID(id),
kratos.Name(Name),
kratos.Version(Version),
kratos.Metadata(map[string]string{}),
kratos.Metadata(map[string]string{"description": appDescription}),
kratos.Logger(logger),
kratos.Server(
hs,
@ -135,6 +118,14 @@ func swaggerAddress(server *config.Server, admin *config.Admin) string {
func main() {
flag.Parse()
// A plain `go run` leaves the ldflags empty, so fall back to the declared
// identity rather than reporting a blank service.
if Name == "" {
Name = appName
}
if Version == "" {
Version = defaultVersion
}
runtime, err := config.LoadStore(flagconf)
if err != nil {
panic(err)

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@ -50,7 +50,6 @@ func wireApp(*config.Server, *config.Store, *slog.Logger, *logging.ReloadableLog
wire.Bind(new(taskbiz.TaskMethodRegistry), new(*platformtask.Registry)),
biz.ProviderSet,
service.ProviderSet,
installGlobalResources,
newApp,
))
}

97
cmd/wire_gen.go generated
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@ -59,7 +59,7 @@ func wireApp(configServer *config.Server, store *config.Store, logger *slog.Logg
authorityAccessRepo := system.NewAuthorityAccessRepo(dataData)
apiRepo := system.NewAPIRepo(dataData)
accessControlUsecase := system2.NewAccessControlUsecase(authorityAccessRepo, apiRepo)
accessControlService := system3.NewAccessControlService(accessControlUsecase)
v := system3.NewAccessControlService(accessControlUsecase)
userRepo := system.NewUserRepo(dataData)
userUsecase := system2.NewUserUsecase(userRepo)
securityRepo := system.NewSecurityRepo(dataData)
@ -72,44 +72,44 @@ func wireApp(configServer *config.Server, store *config.Store, logger *slog.Logg
auditRecordRepo := system.NewAuditRecorderRepo(dataData)
authenticationUsecase := system2.NewAuthenticationUsecase(userUsecase, securityUsecase, tokenIssuer, auditRecordRepo)
authService := system3.NewAuthService(authenticationUsecase)
securityService := system3.NewSecurityService(securityUsecase)
v2 := system3.NewSecurityService(securityUsecase)
auditRecorderUsecase := system2.NewAuditRecorderUsecase(auditRecordRepo)
auditRecorder := system3.NewAuditRecorder(auditRecorderUsecase)
v3 := system3.NewAuditRecorder(auditRecorderUsecase)
authorityUsecase := system2.NewAuthorityUsecase(authorityAccessRepo)
authorityService := system3.NewAuthorityService(authorityUsecase)
authority := handler.NewAuthority(authorityService)
v4 := system3.NewAuthorityService(authorityUsecase)
authority := handler.NewAuthority(v4)
menuRepo := system.NewMenuRepo(dataData)
menuUsecase := system2.NewMenuUsecase(menuRepo)
menuService := system3.NewMenuService(menuUsecase)
menu := handler.NewMenu(menuService)
v5 := system3.NewMenuService(menuUsecase)
menu := handler.NewMenu(v5)
apiUsecase := system2.NewAPIUsecase(apiRepo)
apiService := system3.NewAPIService(apiUsecase, runtimeSettings)
api := handler.NewAPI(apiService)
v6 := system3.NewAPIService(apiUsecase, runtimeSettings)
api := handler.NewAPI(v6)
permissionRepo := system.NewPermissionRepo(dataData)
permissionUsecase := system2.NewPermissionUsecase(permissionRepo)
permissionService := system3.NewPermissionService(permissionUsecase)
permission := handler.NewPermission(permissionService)
v7 := system3.NewPermissionService(permissionUsecase)
permission := handler.NewPermission(v7)
departmentRepo := system.NewDepartmentRepo(dataData)
departmentUsecase := system2.NewDepartmentUsecase(departmentRepo)
departmentService := system3.NewDepartmentService(departmentUsecase)
v8 := system3.NewDepartmentService(departmentUsecase)
positionRepo := system.NewPositionRepo(dataData)
positionUsecase := system2.NewPositionUsecase(positionRepo)
positionService := system3.NewPositionService(positionUsecase)
organization := handler.NewOrganization(departmentService, positionService)
v9 := system3.NewPositionService(positionUsecase)
organization := handler.NewOrganization(v8, v9)
announcementRepo := system.NewAnnouncementRepo(dataData)
announcementUsecase := system2.NewAnnouncementUsecase(announcementRepo)
announcementService := system3.NewAnnouncementService(announcementUsecase)
announcement := handler.NewAnnouncement(announcementService)
v10 := system3.NewAnnouncementService(announcementUsecase)
announcement := handler.NewAnnouncement(v10)
emailRepo := email.NewEmailRepo(store)
emailUsecase := system2.NewEmailUsecase(emailRepo)
emailService := system3.NewEmailService(emailUsecase)
handlerEmail := handler.NewEmail(emailService)
v11 := system3.NewEmailService(emailUsecase)
handlerEmail := handler.NewEmail(v11)
paymentConfigReader := integration.NewPaymentConfigReader(dataData)
paymentRepo := payment.NewPaymentRepo(dataData, paymentConfigReader)
paymentOrderRepo := payment.NewPaymentOrderRepo(dataData)
paymentUsecase := payment2.NewPaymentUsecase(paymentRepo, paymentOrderRepo, logger)
paymentService := payment3.NewPaymentService(paymentUsecase)
handlerPayment := handler.NewPayment(paymentService)
v12 := payment3.NewPaymentService(paymentUsecase)
handlerPayment := handler.NewPayment(v12)
taskRepo := task.NewTaskRepo(dataData)
registry := app.TaskRegistry(catalog)
taskUsecase := task2.NewTaskUsecaseWithRegistry(taskRepo, registry)
@ -117,53 +117,53 @@ func wireApp(configServer *config.Server, store *config.Store, logger *slog.Logg
taskScheduler := worker.NewTaskScheduler(taskUsecase, authorityUsecase, taskExecutor, logger)
taskRuntime := worker.NewTaskRuntime(taskScheduler)
taskApplicationUsecase := task2.NewTaskApplicationUsecase(taskUsecase, taskRuntime)
taskService := task3.NewTaskService(taskApplicationUsecase)
handlerTask := handler.NewTask(taskService)
v13 := task3.NewTaskService(taskApplicationUsecase)
handlerTask := handler.NewTask(v13)
mediaRepo := system.NewMediaRepo(dataData)
mediaUsecase := system2.NewMediaUsecase(mediaRepo, reloadable, runtimeSettings)
mediaService := system3.NewMediaService(mediaUsecase, runtimeSettings)
media := handler.NewMedia(mediaService)
v14 := system3.NewMediaService(mediaUsecase, runtimeSettings)
media := handler.NewMedia(v14)
auditQueryRepo := system.NewAuditRepo(dataData)
auditUsecase := system2.NewAuditUsecase(auditQueryRepo)
auditService := system3.NewAuditService(auditUsecase)
v15 := system3.NewAuditService(auditUsecase)
logFileRepo := system.NewLogFileRepo(dataData)
logViewerUsecase := system2.NewLogViewerUsecase(logFileRepo)
logViewerService := system3.NewLogViewerService(logViewerUsecase)
audit := handler.NewAudit(auditService, auditRecorder, logViewerService, logger)
v16 := system3.NewLogViewerService(logViewerUsecase)
audit := handler.NewAudit(v15, v3, v16, logger)
exportRepo := system.NewExportRepo(dataData)
exportUsecase := system2.NewExportUsecase(exportRepo)
exportService := system3.NewExportService(exportUsecase, systemCache)
export := handler.NewExport(exportService)
v17 := system3.NewExportService(exportUsecase, systemCache)
export := handler.NewExport(v17)
versionRepo := system.NewVersionRepo(dataData)
versionUsecase := system2.NewVersionUsecase(versionRepo)
versionService := system3.NewVersionService(versionUsecase)
version := handler.NewVersion(versionService)
v18 := system3.NewVersionService(versionUsecase)
version := handler.NewVersion(v18)
dictionaryRepo := system.NewDictionaryRepo(dataData)
dictionaryUsecase := system2.NewDictionaryUsecase(dictionaryRepo)
dictionaryService := system3.NewDictionaryService(dictionaryUsecase)
dictionary := handler.NewDictionary(dictionaryService)
v19 := system3.NewDictionaryService(dictionaryUsecase)
dictionary := handler.NewDictionary(v19)
parameterRepo := system.NewParameterRepo(dataData)
parameterUsecase := system2.NewParameterUsecase(parameterRepo)
parameterService := system3.NewParameterService(parameterUsecase)
parameter := handler.NewParameter(parameterService)
tokenService := system3.NewTokenService(tokenUsecase, tokenIssuer)
apiToken := handler.NewAPIToken(tokenService)
v20 := system3.NewParameterService(parameterUsecase)
parameter := handler.NewParameter(v20)
v21 := system3.NewTokenService(tokenUsecase, tokenIssuer)
apiToken := handler.NewAPIToken(v21)
initializationRepo := initialize.NewRepo(dataData, catalog)
taskReloader := worker.NewTaskReloader(taskScheduler)
systemConfigUsecase := system2.NewSystemConfigUsecase(initializationRepo, taskReloader)
systemConfigService := system3.NewSystemConfigService(systemConfigUsecase, runtimeSettings)
systemConfig := handler.NewSystemConfig(systemConfigService, securityService)
public := handler.NewPublic(authService, systemConfigService, securityService)
userService := system3.NewUserService(userUsecase, securityService)
user := handler.NewUser(userService, authService)
navigation := handler.NewNavigation(userService)
session := handler.NewSession(tokenService)
v22 := system3.NewSystemConfigService(systemConfigUsecase, runtimeSettings)
systemConfig := handler.NewSystemConfig(v22, v2)
public := handler.NewPublic(authService, v22, v2)
v23 := system3.NewUserService(userUsecase, v2)
user := handler.NewUser(v23, authService)
navigation := handler.NewNavigation(v23)
session := handler.NewSession(v21)
integrationConfigRepo := integration.NewIntegrationConfigRepo(dataData)
runtimeconfigStore := data.NewIntegrationRuntime(dataData)
connectivityTester := integration2.NewConnectivityTester(runtimeconfigStore)
integrationConfigUsecase := integration3.NewIntegrationConfigUsecase(integrationConfigRepo, connectivityTester)
integrationConfigService := integration4.NewIntegrationConfigService(integrationConfigUsecase)
integrationConfig := handler.NewIntegrationConfig(integrationConfigService)
v24 := integration4.NewIntegrationConfigService(integrationConfigUsecase)
integrationConfig := handler.NewIntegrationConfig(v24)
set := &handler.Set{
Authority: authority,
Menu: menu,
@ -199,7 +199,7 @@ func wireApp(configServer *config.Server, store *config.Store, logger *slog.Logg
cleanup()
return nil, nil, err
}
engine := server.NewGinEngineWithRuntime(store, accessControlService, authService, securityService, auditRecorder, logger, string2, runtime, websocketServer)
engine := server.NewGinEngineWithRuntime(store, v, authService, v2, v3, logger, string2, runtime, websocketServer)
httpServer := server.NewGinServer(configServer, engine)
mqReloadable, cleanup3, err := mq.New(runtimeconfigStore, logger)
if err != nil {
@ -207,8 +207,7 @@ func wireApp(configServer *config.Server, store *config.Store, logger *slog.Logg
cleanup()
return nil, nil, err
}
resourceRegistry := installGlobalResources(logger, dataData, reloadable, mqReloadable, websocketServer, taskScheduler)
kratosApp := newApp(logger, httpServer, taskScheduler, auditRecorder, reloadableLogger, mqReloadable, resourceRegistry)
kratosApp := newApp(logger, httpServer, taskScheduler, v3, reloadableLogger, mqReloadable)
return kratosApp, func() {
cleanup3()
cleanup2()

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@ -446,6 +446,5 @@ func (d *Data) reloadConfig(ctx context.Context) error {
if d.storage != nil {
d.storage.Replace(candidateStorage)
}
d.notifyResources()
return nil
}

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@ -46,7 +46,6 @@ func NewIntegrationRuntime(data *Data) *runtimeconfig.Store {
type Data struct {
initMu sync.Mutex
configMu sync.Mutex
resourceMu sync.RWMutex
databaseReady atomic.Bool
gormDB *reloadableDB
redis *reloadableRedis
@ -65,7 +64,6 @@ type Data struct {
appLogger *slog.Logger
auditLog *dataScopeAuditWriter
catalog module.Catalog
resourceHook func()
}
// DB exposes the active primary database to narrowly scoped data submodules.
@ -172,30 +170,6 @@ func (d *Data) NamedRedisClients() map[string]redis.UniversalClient {
return result
}
// SetResourceHook registers a composition-root callback invoked after active
// database, Redis, or Mongo handles change. A callback keeps data independent
// from the global package while allowing the root to refresh shared handles.
func (d *Data) SetResourceHook(hook func()) {
if d == nil {
return
}
d.resourceMu.Lock()
d.resourceHook = hook
d.resourceMu.Unlock()
}
func (d *Data) notifyResources() {
if d == nil {
return
}
d.resourceMu.RLock()
hook := d.resourceHook
d.resourceMu.RUnlock()
if hook != nil {
hook()
}
}
func (d *Data) logger() *slog.Logger {
if d != nil && d.appLogger != nil {
return d.appLogger
@ -467,5 +441,4 @@ func (d *Data) activateDatabase(db *gorm.DB, config *config.Database) {
d.gormDB.replace(db, d.enqueueDataScopeAudit)
d.runtime.UpdateDatabase(config)
d.databaseReady.Store(true)
d.notifyResources()
}

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@ -105,7 +105,6 @@ func (d *Data) PersistRuntimeConfig(ctx context.Context, value *configpkg.Config
if d.storage != nil {
d.storage.Replace(candidateStorage)
}
d.notifyResources()
return nil
}
func (d *Data) ReloadConfig(ctx context.Context) error {
@ -213,6 +212,5 @@ func (d *Data) InitializeDatabase(ctx context.Context, input *system.DatabaseCon
if d.integrations != nil {
d.integrations.Replace(integrationConfigs)
}
d.notifyResources()
return nil
}

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@ -1,163 +0,0 @@
package global
import (
"context"
"io"
"log/slog"
"reflect"
"sync"
"github.com/redis/go-redis/v9"
"go.mongodb.org/mongo-driver/mongo"
"gorm.io/gorm"
platformmq "kra/pkg/mq"
platformws "kra/pkg/websocket"
)
// FileStorage is the transport-neutral subset shared by every file storage
// implementation. Domain operations that return business models remain in
// the biz-owned FileStorage interface instead of making global depend on biz.
type FileStorage interface {
Open(context.Context, string) (io.ReadCloser, error)
Delete(context.Context, string) error
DeletePrefix(context.Context, string) error
}
// Scheduler owns the lifecycle of the process-wide task scheduler. Scheduling
// business operations remain behind the task domain interfaces.
type Scheduler interface {
Start(context.Context) error
Stop(context.Context) error
}
// Resources is an immutable snapshot from the registry's point of view.
// Replacing a resource publishes a new snapshot; it does not close the old
// resource because lifecycle ownership belongs to the composition root.
type Resources struct {
Logger *slog.Logger
DB *gorm.DB
NamedDBs map[string]*gorm.DB
Redis redis.UniversalClient
NamedRedis map[string]redis.UniversalClient
Mongo *mongo.Client
Storage FileStorage
MQ platformmq.Registry
WebSocket platformws.Hub
Scheduler Scheduler
}
// ResourceRegistry provides concurrency-safe access to process-wide runtime
// resources. Prefer constructor injection for domain code; the registry is for
// framework callbacks and integration points that cannot be wired directly.
type ResourceRegistry struct {
mu sync.RWMutex
resources Resources
}
func NewResourceRegistry() *ResourceRegistry {
return &ResourceRegistry{resources: normalizeResources(Resources{})}
}
func (r *ResourceRegistry) Snapshot() Resources {
if r == nil {
return normalizeResources(Resources{})
}
r.mu.RLock()
resources := cloneResources(r.resources)
r.mu.RUnlock()
return resources
}
func (r *ResourceRegistry) Replace(resources Resources) {
if r == nil {
return
}
r.mu.Lock()
r.resources = normalizeResources(resources)
r.mu.Unlock()
}
func normalizeResources(resources Resources) Resources {
if resources.Logger == nil {
resources.Logger = slog.Default()
}
resources.Redis = normalizeInterface(resources.Redis)
resources.Storage = normalizeInterface(resources.Storage)
resources.MQ = normalizeInterface(resources.MQ)
resources.WebSocket = normalizeInterface(resources.WebSocket)
resources.Scheduler = normalizeInterface(resources.Scheduler)
resources.NamedDBs = cloneDBMap(resources.NamedDBs)
resources.NamedRedis = cloneRedisMap(resources.NamedRedis)
return resources
}
func cloneResources(resources Resources) Resources {
resources.NamedDBs = cloneDBMap(resources.NamedDBs)
resources.NamedRedis = cloneRedisMap(resources.NamedRedis)
return resources
}
func cloneDBMap(source map[string]*gorm.DB) map[string]*gorm.DB {
if len(source) == 0 {
return nil
}
copyOf := make(map[string]*gorm.DB, len(source))
for name, db := range source {
if name != "" && db != nil {
copyOf[name] = db
}
}
if len(copyOf) == 0 {
return nil
}
return copyOf
}
func cloneRedisMap(source map[string]redis.UniversalClient) map[string]redis.UniversalClient {
if len(source) == 0 {
return nil
}
copyOf := make(map[string]redis.UniversalClient, len(source))
for name, client := range source {
if name == "" {
continue
}
client = normalizeInterface(client)
if client != nil {
copyOf[name] = client
}
}
if len(copyOf) == 0 {
return nil
}
return copyOf
}
func normalizeInterface[T any](value T) T {
reflected := reflect.ValueOf(value)
if reflected.IsValid() {
switch reflected.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Pointer, reflect.Slice:
if !reflected.IsNil() {
return value
}
default:
return value
}
}
var zero T
return zero
}
var defaultResources = NewResourceRegistry()
// Install publishes resources assembled by the composition root and returns
// the process-wide registry for lifecycle wiring.
func Install(resources Resources) *ResourceRegistry {
defaultResources.Replace(resources)
return defaultResources
}
func DefaultRegistry() *ResourceRegistry { return defaultResources }
func ResourceSnapshot() Resources { return defaultResources.Snapshot() }

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@ -1,147 +0,0 @@
package global
import (
"context"
"io"
"log/slog"
"sync"
"testing"
"github.com/redis/go-redis/v9"
"go.mongodb.org/mongo-driver/mongo"
"gorm.io/gorm"
platformmq "kra/pkg/mq"
platformws "kra/pkg/websocket"
)
type storageStub struct{}
func (*storageStub) Open(context.Context, string) (io.ReadCloser, error) { return nil, nil }
func (*storageStub) Delete(context.Context, string) error { return nil }
func (*storageStub) DeletePrefix(context.Context, string) error { return nil }
type schedulerStub struct{}
func (*schedulerStub) Start(context.Context) error { return nil }
func (*schedulerStub) Stop(context.Context) error { return nil }
type mqStub struct{}
func (*mqStub) Register(platformmq.SubscriptionSet) error { return nil }
func (*mqStub) Unregister(string) error { return nil }
func (*mqStub) Client(string) platformmq.Client { return nil }
func (*mqStub) PublishTo(context.Context, string, string, []byte, byte, bool) error {
return nil
}
func (*mqStub) SubscribeTo(context.Context, string, string, byte, platformmq.Handler) error {
return nil
}
func (*mqStub) UnsubscribeFrom(context.Context, string, ...string) error { return nil }
func (*mqStub) ConnectedTo(string) bool { return true }
type webSocketStub struct{}
func (*webSocketStub) Enabled() bool { return true }
func (*webSocketStub) Broadcast([]byte) error { return nil }
func (*webSocketStub) BroadcastBinary([]byte) error { return nil }
func (*webSocketStub) Sessions() ([]*platformws.Session, error) { return nil, nil }
func (*webSocketStub) Len() int { return 0 }
func (*webSocketStub) Send(*platformws.Session, []byte) error { return nil }
func (*webSocketStub) SendBinary(*platformws.Session, []byte) error { return nil }
func (*webSocketStub) OnMessage(func(*platformws.Session, []byte)) {}
func (*webSocketStub) OnBinaryMessage(func(*platformws.Session, []byte)) {}
func (*webSocketStub) OnConnect(func(*platformws.Session)) {}
func (*webSocketStub) OnDisconnect(func(*platformws.Session)) {}
func TestResourceRegistryDefaults(t *testing.T) {
registry := NewResourceRegistry()
resources := registry.Snapshot()
if resources.Logger == nil {
t.Fatal("default logger is nil")
}
if resources.DB != nil || len(resources.NamedDBs) != 0 || resources.Redis != nil || len(resources.NamedRedis) != 0 || resources.Mongo != nil || resources.Storage != nil || resources.MQ != nil || resources.WebSocket != nil || resources.Scheduler != nil {
t.Fatalf("unexpected initialized resource: %#v", resources)
}
}
func TestResourceRegistryReplaceAndSnapshot(t *testing.T) {
logger := slog.Default().With("test", true)
db := &gorm.DB{}
redisClient := redis.NewClient(&redis.Options{Addr: "127.0.0.1:6379"})
t.Cleanup(func() { _ = redisClient.Close() })
mongoClient := &mongo.Client{}
storage := &storageStub{}
mq := &mqStub{}
webSocket := &webSocketStub{}
scheduler := &schedulerStub{}
registry := NewResourceRegistry()
inputDBs := map[string]*gorm.DB{"reporting": db}
inputRedis := map[string]redis.UniversalClient{"cache": redisClient}
registry.Replace(Resources{
Logger: logger, DB: db, NamedDBs: inputDBs,
Redis: redisClient, NamedRedis: inputRedis, Mongo: mongoClient,
Storage: storage, MQ: mq, WebSocket: webSocket, Scheduler: scheduler,
})
resources := registry.Snapshot()
if resources.Logger != logger || resources.DB != db || resources.Redis != redisClient || resources.Mongo != mongoClient || resources.Storage != storage || resources.MQ != mq || resources.WebSocket != webSocket || resources.Scheduler != scheduler {
t.Fatalf("replacement snapshot does not match: %#v", resources)
}
if resources.NamedDBs["reporting"] != db || resources.NamedRedis["cache"] != redisClient {
t.Fatal("named resource lookup returned the wrong resource")
}
inputDBs["mutated"] = &gorm.DB{}
inputRedis["mutated"] = redisClient
if _, exists := registry.Snapshot().NamedDBs["mutated"]; exists {
t.Fatal("named database map was not copied on replacement")
}
if _, exists := registry.Snapshot().NamedRedis["mutated"]; exists {
t.Fatal("named redis map was not copied on replacement")
}
resources.NamedDBs["mutated"] = db
if _, exists := registry.Snapshot().NamedDBs["mutated"]; exists {
t.Fatal("snapshot shares its named database map with the registry")
}
}
func TestResourceRegistryNormalizesTypedNilInterfaces(t *testing.T) {
registry := NewResourceRegistry()
var redisClient *redis.Client
var storage *storageStub
var mq *mqStub
var webSocket *webSocketStub
var scheduler *schedulerStub
registry.Replace(Resources{Redis: redisClient, Storage: storage, MQ: mq, WebSocket: webSocket, Scheduler: scheduler})
resources := registry.Snapshot()
if resources.Redis != nil || resources.Storage != nil || resources.MQ != nil || resources.WebSocket != nil || resources.Scheduler != nil {
t.Fatalf("typed nil resource was retained: %#v", resources)
}
if resources.Logger == nil {
t.Fatal("nil logger was not replaced with the default logger")
}
}
func TestResourceRegistryConcurrentAccess(t *testing.T) {
registry := NewResourceRegistry()
const iterations = 1000
var wait sync.WaitGroup
for index := 0; index < 8; index++ {
wait.Add(1)
go func() {
defer wait.Done()
for step := 0; step < iterations; step++ {
registry.Replace(Resources{DB: &gorm.DB{}})
if registry.Snapshot().Logger == nil {
t.Error("concurrent snapshot lost the default logger")
return
}
}
}()
}
wait.Wait()
if registry.Snapshot().DB == nil {
t.Fatal("concurrent replacement lost the database")
}
}