[MM-54593] HA aware Support Packet (#27598)

server/channels/app/platform/log_test.go

@@ -0,0 +1,104 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package platform
+
+import (
+	"os"
+	"testing"
+
+	"github.com/mattermost/mattermost/server/public/model"
+	"github.com/mattermost/mattermost/server/v8/config"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetMattermostLog(t *testing.T) {
+	th := Setup(t)
+	defer th.TearDown()
+
+	// disable mattermost log file setting in config so we should get an warning
+	th.Service.UpdateConfig(func(cfg *model.Config) {
+		*cfg.LogSettings.EnableFile = false
+	})
+
+	fileData, err := th.Service.GetLogFile(th.Context)
+	assert.Nil(t, fileData)
+	assert.ErrorContains(t, err, "Unable to retrieve mattermost logs because LogSettings.EnableFile is set to false")
+
+	dir, err := os.MkdirTemp("", "")
+	require.NoError(t, err)
+	t.Cleanup(func() {
+		err = os.RemoveAll(dir)
+		assert.NoError(t, err)
+	})
+
+	// Enable log file but point to an empty directory to get an error trying to read the file
+	th.Service.UpdateConfig(func(cfg *model.Config) {
+		*cfg.LogSettings.EnableFile = true
+		*cfg.LogSettings.FileLocation = dir
+	})
+
+	logLocation := config.GetLogFileLocation(dir)
+
+	// There is no mattermost.log file yet, so this fails
+	fileData, err = th.Service.GetLogFile(th.Context)
+	assert.Nil(t, fileData)
+	assert.ErrorContains(t, err, "failed read mattermost log file at path "+logLocation)
+
+	// Happy path where we get a log file and no warning
+	d1 := []byte("hello\ngo\n")
+	err = os.WriteFile(logLocation, d1, 0777)
+	require.NoError(t, err)
+
+	fileData, err = th.Service.GetLogFile(th.Context)
+	require.NoError(t, err)
+	require.NotNil(t, fileData)
+	assert.Equal(t, "mattermost.log", fileData.Filename)
+	assert.Positive(t, len(fileData.Body))
+}
+
+func TestGetNotificationLogFile(t *testing.T) {
+	th := Setup(t)
+	defer th.TearDown()
+
+	// Disable notifications file setting in config so we should get an warning
+	th.Service.UpdateConfig(func(cfg *model.Config) {
+		*cfg.NotificationLogSettings.EnableFile = false
+	})
+
+	fileData, err := th.Service.GetNotificationLogFile(th.Context)
+	assert.Nil(t, fileData)
+	assert.ErrorContains(t, err, "Unable to retrieve notifications logs because NotificationLogSettings.EnableFile is set to false")
+
+	dir, err := os.MkdirTemp("", "")
+	require.NoError(t, err)
+	t.Cleanup(func() {
+		err = os.RemoveAll(dir)
+		assert.NoError(t, err)
+	})
+
+	// Enable notifications file but point to an empty directory to get an error trying to read the file
+	th.Service.UpdateConfig(func(cfg *model.Config) {
+		*cfg.NotificationLogSettings.EnableFile = true
+		*cfg.LogSettings.FileLocation = dir
+	})
+
+	logLocation := config.GetNotificationsLogFileLocation(dir)
+
+	// There is no notifications.log file yet, so this fails
+	fileData, err = th.Service.GetNotificationLogFile(th.Context)
+	assert.Nil(t, fileData)
+	assert.ErrorContains(t, err, "failed read notifcation log file at path "+logLocation)
+
+	// Happy path where we have file and no error
+	d1 := []byte("hello\ngo\n")
+	err = os.WriteFile(logLocation, d1, 0777)
+	require.NoError(t, err)
+
+	fileData, err = th.Service.GetNotificationLogFile(th.Context)
+	assert.NoError(t, err)
+	require.NotNil(t, fileData)
+	assert.Equal(t, "notifications.log", fileData.Filename)
+	assert.Positive(t, len(fileData.Body))
+}