Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/channels/api4/bleve_test.go

@@ -0,0 +1,45 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package api4
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func TestBlevePurgeIndexes(t *testing.T) {
+	th := Setup(t)
+	defer th.TearDown()
+
+	t.Run("as system user", func(t *testing.T) {
+		resp, err := th.Client.PurgeBleveIndexes()
+		require.Error(t, err)
+		CheckForbiddenStatus(t, resp)
+	})
+
+	t.Run("as system user with write experimental permission", func(t *testing.T) {
+		th.AddPermissionToRole(model.PermissionPurgeBleveIndexes.Id, model.SystemUserRoleId)
+		defer th.RemovePermissionFromRole(model.PermissionSysconsoleWriteExperimental.Id, model.SystemUserRoleId)
+		resp, err := th.Client.PurgeBleveIndexes()
+		require.NoError(t, err)
+		CheckOKStatus(t, resp)
+	})
+
+	t.Run("as system admin", func(t *testing.T) {
+		resp, err := th.SystemAdminClient.PurgeBleveIndexes()
+		require.NoError(t, err)
+		CheckOKStatus(t, resp)
+	})
+
+	t.Run("as restricted system admin", func(t *testing.T) {
+		th.App.UpdateConfig(func(cfg *model.Config) { *cfg.ExperimentalSettings.RestrictSystemAdmin = true })
+
+		resp, err := th.SystemAdminClient.PurgeBleveIndexes()
+		require.Error(t, err)
+		CheckForbiddenStatus(t, resp)
+	})
+}