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/platform/services/upgrader/upgrader_linux_test.go

@@ -0,0 +1,164 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package upgrader
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"io"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func TestCanIUpgradeToE0(t *testing.T) {
+	t.Run("when you are already in an enterprise build", func(t *testing.T) {
+		buildEnterprise := model.BuildEnterpriseReady
+		model.BuildEnterpriseReady = "true"
+		defer func() {
+			model.BuildEnterpriseReady = buildEnterprise
+		}()
+		require.Error(t, CanIUpgradeToE0())
+	})
+
+	t.Run("when you are not in an enterprise build", func(t *testing.T) {
+		buildEnterprise := model.BuildEnterpriseReady
+		model.BuildEnterpriseReady = "false"
+		defer func() {
+			model.BuildEnterpriseReady = buildEnterprise
+		}()
+		require.NoError(t, CanIUpgradeToE0())
+	})
+}
+
+func TestGetCurrentVersionTgzURL(t *testing.T) {
+	t.Run("get release version in regular version", func(t *testing.T) {
+		currentVersion := model.CurrentVersion
+		buildNumber := model.CurrentVersion
+		model.CurrentVersion = "5.22.0"
+		model.BuildNumber = "5.22.0"
+		defer func() {
+			model.CurrentVersion = currentVersion
+			model.BuildNumber = buildNumber
+		}()
+		require.Equal(t, "https://releases.mattermost.com/5.22.0/mattermost-5.22.0-linux-amd64.tar.gz", getCurrentVersionTgzURL())
+	})
+
+	t.Run("get release version in dev version", func(t *testing.T) {
+		currentVersion := model.CurrentVersion
+		buildNumber := model.CurrentVersion
+		model.CurrentVersion = "5.22.0"
+		model.BuildNumber = "5.22.0-dev"
+		defer func() {
+			model.CurrentVersion = currentVersion
+			model.BuildNumber = buildNumber
+		}()
+		require.Equal(t, "https://releases.mattermost.com/5.22.0/mattermost-5.22.0-linux-amd64.tar.gz", getCurrentVersionTgzURL())
+	})
+
+	t.Run("get release version in rc version", func(t *testing.T) {
+		currentVersion := model.CurrentVersion
+		buildNumber := model.CurrentVersion
+		model.CurrentVersion = "5.22.0"
+		model.BuildNumber = "5.22.0-rc2"
+		defer func() {
+			model.CurrentVersion = currentVersion
+			model.BuildNumber = buildNumber
+		}()
+		require.Equal(t, "https://releases.mattermost.com/5.22.0-rc2/mattermost-5.22.0-rc2-linux-amd64.tar.gz", getCurrentVersionTgzURL())
+	})
+}
+
+func TestExtractBinary(t *testing.T) {
+	t.Run("extract from empty file", func(t *testing.T) {
+		tmpMockTarGz, err := os.CreateTemp("", "mock_tgz")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockTarGz.Name())
+		tmpMockTarGz.Close()
+
+		tmpMockExecutable, err := os.CreateTemp("", "mock_exe")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockExecutable.Name())
+		tmpMockExecutable.Close()
+
+		extractBinary(tmpMockExecutable.Name(), tmpMockTarGz.Name())
+	})
+
+	t.Run("extract from empty tar.gz file", func(t *testing.T) {
+		tmpMockTarGz, err := os.CreateTemp("", "mock_tgz")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockTarGz.Name())
+		gz := gzip.NewWriter(tmpMockTarGz)
+		tw := tar.NewWriter(gz)
+		tw.Close()
+		gz.Close()
+		tmpMockTarGz.Close()
+
+		tmpMockExecutable, err := os.CreateTemp("", "mock_exe")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockExecutable.Name())
+		tmpMockExecutable.Close()
+
+		require.Error(t, extractBinary(tmpMockExecutable.Name(), tmpMockTarGz.Name()))
+	})
+
+	t.Run("extract from tar.gz without mattermost/bin/mattermost file", func(t *testing.T) {
+		tmpMockTarGz, err := os.CreateTemp("", "mock_tgz")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockTarGz.Name())
+		gz := gzip.NewWriter(tmpMockTarGz)
+		tw := tar.NewWriter(gz)
+
+		tw.WriteHeader(&tar.Header{
+			Typeflag: tar.TypeReg,
+			Name:     "test-filename",
+			Size:     4,
+		})
+		tw.Write([]byte("test"))
+
+		gz.Close()
+		tmpMockTarGz.Close()
+
+		tmpMockExecutable, err := os.CreateTemp("", "mock_exe")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockExecutable.Name())
+		tmpMockExecutable.Close()
+
+		require.Error(t, extractBinary(tmpMockExecutable.Name(), tmpMockTarGz.Name()))
+	})
+
+	t.Run("extract from tar.gz with mattermost/bin/mattermost file", func(t *testing.T) {
+		tmpMockTarGz, err := os.CreateTemp("", "mock_tgz")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockTarGz.Name())
+		gz := gzip.NewWriter(tmpMockTarGz)
+		tw := tar.NewWriter(gz)
+
+		tw.WriteHeader(&tar.Header{
+			Typeflag: tar.TypeReg,
+			Name:     "mattermost/bin/mattermost",
+			Size:     4,
+		})
+		tw.Write([]byte("test"))
+
+		gz.Close()
+		tmpMockTarGz.Close()
+
+		tmpMockExecutable, err := os.CreateTemp("", "mock_exe")
+		require.NoError(t, err)
+		defer os.Remove(tmpMockExecutable.Name())
+		tmpMockExecutable.Close()
+
+		require.NoError(t, extractBinary(tmpMockExecutable.Name(), tmpMockTarGz.Name()))
+		tmpMockExecutableAfter, err := os.Open(tmpMockExecutable.Name())
+		require.NoError(t, err)
+		defer tmpMockExecutableAfter.Close()
+		bytes, err := io.ReadAll(tmpMockExecutableAfter)
+		require.NoError(t, err)
+		require.Equal(t, []byte("test"), bytes)
+	})
+}