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/brand_test.go

@@ -0,0 +1,92 @@
+// 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/require"
+
+	"github.com/mattermost/mattermost-server/v6/server/channels/utils/testutils"
+)
+
+func TestGetBrandImage(t *testing.T) {
+	th := Setup(t)
+	defer th.TearDown()
+	client := th.Client
+
+	_, resp, err := client.GetBrandImage()
+	require.Error(t, err)
+	CheckNotFoundStatus(t, resp)
+
+	client.Logout()
+	_, resp, err = client.GetBrandImage()
+	require.Error(t, err)
+	CheckNotFoundStatus(t, resp)
+
+	_, resp, err = th.SystemAdminClient.GetBrandImage()
+	require.Error(t, err)
+	CheckNotFoundStatus(t, resp)
+}
+
+func TestUploadBrandImage(t *testing.T) {
+	th := Setup(t)
+	defer th.TearDown()
+	client := th.Client
+
+	data, err := testutils.ReadTestFile("test.png")
+	require.NoError(t, err)
+
+	resp, err := client.UploadBrandImage(data)
+	require.Error(t, err)
+	CheckForbiddenStatus(t, resp)
+
+	// status code returns either forbidden or unauthorized
+	// note: forbidden is set as default at Client4.SetProfileImage when request is terminated early by server
+	client.Logout()
+	resp, err = client.UploadBrandImage(data)
+	require.Error(t, err)
+	if resp.StatusCode == http.StatusForbidden {
+		CheckForbiddenStatus(t, resp)
+	} else if resp.StatusCode == http.StatusUnauthorized {
+		CheckUnauthorizedStatus(t, resp)
+	} else {
+		require.Fail(t, "Should have failed either forbidden or unauthorized")
+	}
+
+	resp, err = th.SystemAdminClient.UploadBrandImage(data)
+	require.NoError(t, err)
+	CheckCreatedStatus(t, resp)
+}
+
+func TestDeleteBrandImage(t *testing.T) {
+	th := Setup(t)
+	defer th.TearDown()
+
+	data, err := testutils.ReadTestFile("test.png")
+	require.NoError(t, err)
+
+	resp, err := th.SystemAdminClient.UploadBrandImage(data)
+	require.NoError(t, err)
+	CheckCreatedStatus(t, resp)
+
+	resp, err = th.Client.DeleteBrandImage()
+	require.Error(t, err)
+	CheckForbiddenStatus(t, resp)
+
+	th.Client.Logout()
+
+	resp, err = th.Client.DeleteBrandImage()
+	require.Error(t, err)
+	CheckUnauthorizedStatus(t, resp)
+
+	resp, err = th.SystemAdminClient.DeleteBrandImage()
+	require.NoError(t, err)
+	CheckOKStatus(t, resp)
+
+	resp, err = th.SystemAdminClient.DeleteBrandImage()
+	require.Error(t, err)
+	CheckNotFoundStatus(t, resp)
+}