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/app/email_test.go

@@ -0,0 +1,43 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package app
+
+import (
+	"net/http"
+	"strconv"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func TestSendInviteEmailRateLimits(t *testing.T) {
+	th := Setup(t).InitBasic()
+	defer th.TearDown()
+
+	th.BasicTeam.AllowedDomains = "common.com"
+	_, err := th.App.UpdateTeam(th.BasicTeam)
+	require.Nilf(t, err, "%v, Should update the team", err)
+
+	th.App.UpdateConfig(func(cfg *model.Config) {
+		*cfg.ServiceSettings.EnableEmailInvitations = true
+	})
+
+	memberInvite := &model.MemberInvite{}
+	memberInvite.Emails = make([]string, 22)
+	for i := 0; i < 22; i++ {
+		memberInvite.Emails[i] = "test-" + strconv.Itoa(i) + "@common.com"
+	}
+	err = th.App.InviteNewUsersToTeam(memberInvite.Emails, th.BasicTeam.Id, th.BasicUser.Id)
+	require.NotNil(t, err)
+	assert.Equal(t, "app.email.rate_limit_exceeded.app_error", err.Id)
+	assert.Equal(t, http.StatusRequestEntityTooLarge, err.StatusCode)
+
+	_, err = th.App.InviteNewUsersToTeamGracefully(memberInvite, th.BasicTeam.Id, th.BasicUser.Id, "")
+	require.NotNil(t, err)
+	assert.Equal(t, "app.email.rate_limit_exceeded.app_error", err.Id)
+	assert.Equal(t, http.StatusRequestEntityTooLarge, err.StatusCode)
+}