Bootstrap copied BFF and local accounts with public Sendico contracts (#34)
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@@ -0,0 +1,34 @@
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package server
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import (
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"errors"
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"git.sendico.io/tech/sxchnge/bff/edge/shared/interface/api"
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"git.sendico.io/tech/sxchnge/bff/pkg/merrors"
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"os"
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"testing"
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)
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func TestIncompleteConfigReturnsProjectError(t *testing.T) {
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for _, data := range []string{"api: {}", "api: {middleware: {}}\ndatabase: {driver: mongodb}", "api: {middleware: {}}\ndatabase: {driver: mongodb}\nhttp_server: {}"} {
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instance := &Imp{runtime: api.RuntimeConfig{}}
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if err := instance.decodeConfig([]byte(data)); !errors.Is(err, merrors.ErrInvalidArg) {
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t.Fatalf("expected configuration error, got %v", err)
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}
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}
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}
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func TestExampleConfigMatchesCopiedRuntime(t *testing.T) {
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data, err := os.ReadFile("../../../../config.example.yml")
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if err != nil {
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t.Fatal(err)
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}
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instance := &Imp{runtime: api.RuntimeConfig{}}
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if err := instance.decodeConfig(data); err != nil {
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t.Fatal(err)
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}
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if err := instance.config.API.SharedConfig().Mw.Token.Validate(); err != nil {
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t.Fatal(err)
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}
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if err := instance.config.API.SharedConfig().Mw.CORS.Validate(); err != nil {
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t.Fatal(err)
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}
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}
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@@ -0,0 +1,177 @@
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package server
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import (
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"context"
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"errors"
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"net/http"
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"os"
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"time"
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ac "git.sendico.io/tech/sxchnge/bff/edge/shared/interface/api"
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sharedruntime "git.sendico.io/tech/sxchnge/bff/edge/shared/internal/runtime"
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"git.sendico.io/tech/sxchnge/bff/pkg/db"
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"git.sendico.io/tech/sxchnge/bff/pkg/merrors"
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"git.sendico.io/tech/sxchnge/bff/pkg/mlogger"
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"git.sendico.io/tech/sxchnge/bff/pkg/mservice"
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mduration "git.sendico.io/tech/sxchnge/bff/pkg/mutil/duration"
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"github.com/go-chi/chi/v5"
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"go.uber.org/zap"
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"gopkg.in/yaml.v3"
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)
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type httpServerConf struct {
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ListenAddress string `yaml:"listen_address"`
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ReadHeaderTimeout int `yaml:"read_header_timeout"`
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ShutdownTimeout int `yaml:"shutdown_timeout"`
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}
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// Config represents the server configuration
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type Config struct {
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API ac.ConfigProvider
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DB *db.Config `yaml:"database"`
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HTTPServer *httpServerConf `yaml:"http_server"`
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}
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// Instance represents an instance of the server
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type Imp struct {
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lifecycleCtx context.Context
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lifecycleCancel context.CancelFunc
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logger mlogger.Logger
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api mservice.MicroService
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config *Config
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db db.Factory
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httpServer *http.Server
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runtime ac.RuntimeConfig
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debug bool
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file string
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}
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// Shutdown stops the server
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func (i *Imp) Shutdown() {
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if i.lifecycleCancel != nil {
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i.lifecycleCancel()
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}
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if i.httpServer == nil {
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return
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}
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// Shutdown HTTP server
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ctx, cancel := context.WithTimeout(context.Background(), mduration.Param2Duration(i.config.HTTPServer.ShutdownTimeout, time.Second))
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i.logger.Info("Shutting HTTP server down...")
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if err := i.httpServer.Shutdown(ctx); err != nil {
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if !errors.Is(err, http.ErrServerClosed) {
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i.logger.Warn("Failed to shutdown HTTP server gracefully", zap.Error(err))
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cancel()
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os.Exit(1)
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}
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}
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cancel()
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}
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func (i *Imp) Run() error {
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err := i.httpServer.ListenAndServe()
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if errors.Is(err, http.ErrServerClosed) {
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err = nil
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}
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i.logger.Info("HTTP Server stopped")
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if err := i.api.Finish(context.Background()); err != nil {
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i.logger.Warn("Error when finishing service", zap.Error(err))
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}
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i.db.CloseConnection()
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if err != nil {
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return merrors.OpaqueWrap(merrors.ErrInternal, err, "HTTP server stopped unexpectedly")
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}
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return nil
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}
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// Start starts the server
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func (i *Imp) Start() error {
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if i.lifecycleCancel != nil {
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defer i.lifecycleCancel()
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}
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i.logger.Info("Starting...", zap.String("config_file", i.file), zap.Bool("debug_mode", i.debug))
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// Load configuration file
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data, err := os.ReadFile(i.file)
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if err != nil {
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i.logger.Error("Could not load configuration", zap.Error(err), zap.String("config_file", i.file))
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return err
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}
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if err = i.decodeConfig(data); err != nil {
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i.logger.Error("Failed to parse configuration", zap.Error(err))
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return err
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}
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if i.db, err = db.NewConnection(i.logger, i.config.DB); err != nil {
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i.logger.Error("Could not open database connection", zap.Error(err))
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return err
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}
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rootRouter := chi.NewRouter()
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apiRouter := chi.NewRouter()
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if i.api, err = sharedruntime.CreateAPI(i.lifecycleCtx, i.logger, i.config.API.SharedConfig(), i.config.API, i.db, rootRouter, apiRouter, i.debug, i.runtime); err != nil {
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i.db.CloseConnection()
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return err
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}
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rootRouter.Mount("/", apiRouter)
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// Startup the HTTP Server in a way that we can gracefully shut it down again
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i.httpServer = &http.Server{
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Addr: i.config.HTTPServer.ListenAddress,
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Handler: rootRouter,
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ReadHeaderTimeout: mduration.Param2Duration(i.config.HTTPServer.ReadHeaderTimeout, time.Second),
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}
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return i.Run()
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}
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func (i *Imp) decodeConfig(data []byte) error {
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var raw struct {
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API yaml.Node `yaml:"api"`
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DB *db.Config `yaml:"database"`
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HTTPServer *httpServerConf `yaml:"http_server"`
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}
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if err := yaml.Unmarshal(data, &raw); err != nil {
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return err
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}
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apiConfig := i.runtime.NewConfig()
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if apiConfig == nil {
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return merrors.Internal("runtime config factory returned nil api config")
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}
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if raw.API.Kind == 0 {
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return merrors.InvalidArgument("api configuration is required", "api")
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}
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if err := raw.API.Decode(apiConfig); err != nil {
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return err
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}
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if raw.DB == nil || raw.HTTPServer == nil || apiConfig.SharedConfig() == nil || apiConfig.SharedConfig().Mw == nil {
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return merrors.InvalidArgument("database, http_server and api.middleware configuration are required")
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}
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if raw.HTTPServer.ListenAddress == "" || raw.HTTPServer.ReadHeaderTimeout <= 0 || raw.HTTPServer.ShutdownTimeout <= 0 {
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return merrors.InvalidArgument("HTTP address and positive timeouts are required")
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}
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i.config = &Config{
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API: apiConfig,
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DB: raw.DB,
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HTTPServer: raw.HTTPServer,
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}
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return nil
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}
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func Create(logger mlogger.Logger, file string, debug bool, runtime ac.RuntimeConfig) (*Imp, error) {
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lifecycleCtx, lifecycleCancel := context.WithCancel(context.Background())
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srv := &Imp{
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lifecycleCtx: lifecycleCtx,
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lifecycleCancel: lifecycleCancel,
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logger: logger,
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debug: debug,
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file: file,
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runtime: runtime,
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}
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return srv, nil
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}
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@@ -0,0 +1,22 @@
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package server
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import (
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"context"
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"errors"
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"testing"
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"git.sendico.io/tech/sxchnge/bff/edge/shared/interface/api"
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"go.uber.org/zap"
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)
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func TestShutdownCancelsLifecycleContextBeforeStartupCompletes(t *testing.T) {
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instance, err := Create(zap.NewNop(), "config.yml", false, api.RuntimeConfig{})
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if err != nil {
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t.Fatalf("Create() error = %v", err)
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}
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instance.Shutdown()
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if !errors.Is(instance.lifecycleCtx.Err(), context.Canceled) {
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t.Fatalf("lifecycle context error = %v, want context.Canceled", instance.lifecycleCtx.Err())
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}
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}
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