Migrate to stateless app.App (#17542)

* add request context

* move initialialization to server

* use app interface instead of global app functions

* remove app context from webconn

* cleanup

* remove duplicated services

* move context to separate package

* remove finalize init method and move content to NewServer function

* restart workers and schedulers after adding license for tests

* reflect review comments

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/apitestlib.go

@@ -22,6 +22,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/mattermost/mattermost-server/v5/app"
+	"github.com/mattermost/mattermost-server/v5/app/request"
 	"github.com/mattermost/mattermost-server/v5/config"
 	"github.com/mattermost/mattermost-server/v5/model"
 	"github.com/mattermost/mattermost-server/v5/plugin/plugintest/mock"
@@ -41,6 +42,7 @@ type TestHelper struct {
 	Server      *app.Server
 	ConfigStore *config.Store
 
+	Context              *request.Context
 	Client               *model.Client4
 	BasicUser            *model.User
 	BasicUser2           *model.User
@@ -127,6 +129,11 @@ func setupTestHelper(dbStore store.Store, searchEngine *searchengine.Broker, ent
 		Server:            s,
 		ConfigStore:       configStore,
 		IncludeCacheLayer: includeCache,
+		Context:           &request.Context{},
+	}
+
+	if s.SearchEngine != nil && s.SearchEngine.BleveEngine != nil && searchEngine != nil {
+		searchEngine.BleveEngine = s.SearchEngine.BleveEngine
 	}
 
 	if searchEngine != nil {
@@ -158,13 +165,15 @@ func setupTestHelper(dbStore store.Store, searchEngine *searchengine.Broker, ent
 		panic(err)
 	}
 
-	Init(th.Server, th.Server.AppOptions, th.App.Srv().Router)
-	InitLocal(th.Server, th.Server.AppOptions, th.App.Srv().LocalRouter)
-	web.New(th.Server, th.Server.AppOptions, th.App.Srv().Router)
+	Init(th.App, th.App.Srv().Router)
+	InitLocal(th.App, th.App.Srv().LocalRouter)
+	web.New(th.App, th.App.Srv().Router)
 	wsapi.Init(th.App.Srv())
 
 	if enterprise {
 		th.App.Srv().SetLicense(model.NewTestLicense())
+		th.App.Srv().Jobs.InitWorkers()
+		th.App.Srv().Jobs.InitSchedulers()
 	} else {
 		th.App.Srv().SetLicense(nil)
 	}
@@ -189,8 +198,6 @@ func setupTestHelper(dbStore store.Store, searchEngine *searchengine.Broker, ent
 		th.tempWorkspace = tempWorkspace
 	}
 
-	th.App.InitServer()
-
 	return th
 }
 
@@ -545,7 +552,7 @@ func (th *TestHelper) CreateUserWithAuth(authService string) *model.User {
 		EmailVerified: true,
 		AuthService:   authService,
 	}
-	user, err := th.App.CreateUser(user)
+	user, err := th.App.CreateUser(th.Context, user)
 	if err != nil {
 		panic(err)
 	}
@@ -714,7 +721,7 @@ func (th *TestHelper) CreateDmChannel(user *model.User) *model.Channel {
 	utils.DisableDebugLogForTest()
 	var err *model.AppError
 	var channel *model.Channel
-	if channel, err = th.App.GetOrCreateDirectChannel(th.BasicUser.Id, user.Id); err != nil {
+	if channel, err = th.App.GetOrCreateDirectChannel(th.Context, th.BasicUser.Id, user.Id); err != nil {
 		panic(err)
 	}
 	utils.EnableDebugLogForTest()
@@ -789,7 +796,7 @@ func (th *TestHelper) LoginSystemAdminWithClient(client *model.Client4) {
 func (th *TestHelper) UpdateActiveUser(user *model.User, active bool) {
 	utils.DisableDebugLogForTest()
 
-	_, err := th.App.UpdateActive(user, active)
+	_, err := th.App.UpdateActive(th.Context, user, active)
 	if err != nil {
 		panic(err)
 	}
@@ -800,7 +807,7 @@ func (th *TestHelper) UpdateActiveUser(user *model.User, active bool) {
 func (th *TestHelper) LinkUserToTeam(user *model.User, team *model.Team) {
 	utils.DisableDebugLogForTest()
 
-	_, err := th.App.JoinUserToTeam(team, user, "")
+	_, err := th.App.JoinUserToTeam(th.Context, team, user, "")
 	if err != nil {
 		panic(err)
 	}