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/usage_test.go

@@ -0,0 +1,94 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package api4
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func TestGetPostsUsage(t *testing.T) {
+	t.Run("unauthenticated users can not access", func(t *testing.T) {
+		th := Setup(t)
+		defer th.TearDown()
+
+		th.Client.Logout()
+
+		usage, r, err := th.Client.GetPostsUsage()
+		assert.Error(t, err)
+		assert.Nil(t, usage)
+		assert.Equal(t, http.StatusUnauthorized, r.StatusCode)
+	})
+
+	t.Run("good request returns response", func(t *testing.T) {
+		th := Setup(t).InitBasic()
+		defer th.TearDown()
+
+		for i := 0; i < 14; i++ {
+			th.CreatePost()
+		}
+
+		total, err := th.Server.Store().Post().AnalyticsPostCount(&model.PostCountOptions{ExcludeDeleted: true})
+		require.NoError(t, err)
+		usersOnly, err := th.Server.Store().Post().AnalyticsPostCount(&model.PostCountOptions{ExcludeDeleted: true, UsersPostsOnly: true})
+		require.NoError(t, err)
+
+		require.GreaterOrEqual(t, usersOnly, int64(14))
+		require.LessOrEqual(t, usersOnly, int64(20))
+		require.GreaterOrEqual(t, total, usersOnly)
+
+		usage, r, err := th.Client.GetPostsUsage()
+		assert.NoError(t, err)
+		assert.Equal(t, http.StatusOK, r.StatusCode)
+		assert.NotNil(t, usage)
+		assert.Equal(t, int64(10), usage.Count)
+	})
+}
+
+func TestGetStorageUsage(t *testing.T) {
+	t.Run("unauthenticated users cannot access", func(t *testing.T) {
+		th := Setup(t)
+		defer th.TearDown()
+
+		th.Client.Logout()
+
+		usage, r, err := th.Client.GetStorageUsage()
+		assert.Error(t, err)
+		assert.Nil(t, usage)
+		assert.Equal(t, http.StatusUnauthorized, r.StatusCode)
+	})
+}
+
+func TestGetTeamsUsage(t *testing.T) {
+	t.Run("unauthenticated users can not access", func(t *testing.T) {
+		th := Setup(t)
+		defer th.TearDown()
+
+		th.Client.Logout()
+
+		usage, r, err := th.Client.GetTeamsUsage()
+		assert.Error(t, err)
+		assert.Nil(t, usage)
+		assert.Equal(t, http.StatusUnauthorized, r.StatusCode)
+	})
+
+	t.Run("good request returns response", func(t *testing.T) {
+		// Following calls create a total of 3 teams
+		th := Setup(t).InitBasic()
+		defer th.TearDown()
+		th.CreateTeam()
+		th.CreateTeam()
+
+		usage, r, err := th.Client.GetTeamsUsage()
+		assert.NoError(t, err)
+		assert.Equal(t, http.StatusOK, r.StatusCode)
+		assert.NotNil(t, usage)
+		assert.Equal(t, int64(3), usage.Active)
+	})
+}