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|
package mlog_test
import (
"io/ioutil"
"os"
"path/filepath"
"regexp"
"strings"
"testing"
"github.com/stretchr/testify/require"
"github.com/mattermost/mattermost-server/mlog"
)
func TestLoggingBeforeInitialized(t *testing.T) {
require.NotPanics(t, func() {
// None of these should segfault before mlog is globally configured
mlog.Info("info log")
mlog.Debug("debug log")
mlog.Warn("warning log")
mlog.Error("error log")
mlog.Critical("critical log")
})
}
func TestLoggingAfterInitialized(t *testing.T) {
testCases := []struct {
Description string
LoggerConfiguration *mlog.LoggerConfiguration
ExpectedLogs []string
}{
{
"file logging, json, debug",
&mlog.LoggerConfiguration{
EnableConsole: false,
EnableFile: true,
FileJson: true,
FileLevel: mlog.LevelDebug,
},
[]string{
`{"level":"debug","ts":0,"caller":"mlog/global_test.go:0","msg":"real debug log"}`,
`{"level":"info","ts":0,"caller":"mlog/global_test.go:0","msg":"real info log"}`,
`{"level":"warn","ts":0,"caller":"mlog/global_test.go:0","msg":"real warning log"}`,
`{"level":"error","ts":0,"caller":"mlog/global_test.go:0","msg":"real error log"}`,
`{"level":"error","ts":0,"caller":"mlog/global_test.go:0","msg":"real critical log"}`,
},
},
{
"file logging, json, error",
&mlog.LoggerConfiguration{
EnableConsole: false,
EnableFile: true,
FileJson: true,
FileLevel: mlog.LevelError,
},
[]string{
`{"level":"error","ts":0,"caller":"mlog/global_test.go:0","msg":"real error log"}`,
`{"level":"error","ts":0,"caller":"mlog/global_test.go:0","msg":"real critical log"}`,
},
},
{
"file logging, non-json, debug",
&mlog.LoggerConfiguration{
EnableConsole: false,
EnableFile: true,
FileJson: false,
FileLevel: mlog.LevelDebug,
},
[]string{
`TIME debug mlog/global_test.go:0 real debug log`,
`TIME info mlog/global_test.go:0 real info log`,
`TIME warn mlog/global_test.go:0 real warning log`,
`TIME error mlog/global_test.go:0 real error log`,
`TIME error mlog/global_test.go:0 real critical log`,
},
},
{
"file logging, non-json, error",
&mlog.LoggerConfiguration{
EnableConsole: false,
EnableFile: true,
FileJson: false,
FileLevel: mlog.LevelError,
},
[]string{
`TIME error mlog/global_test.go:0 real error log`,
`TIME error mlog/global_test.go:0 real critical log`,
},
},
}
for _, testCase := range testCases {
t.Run(testCase.Description, func(t *testing.T) {
var filePath string
if testCase.LoggerConfiguration.EnableFile {
tempDir, err := ioutil.TempDir(os.TempDir(), "TestLoggingAfterInitialized")
require.NoError(t, err)
defer os.Remove(tempDir)
filePath = filepath.Join(tempDir, "file.log")
testCase.LoggerConfiguration.FileLocation = filePath
}
logger := mlog.NewLogger(testCase.LoggerConfiguration)
mlog.InitGlobalLogger(logger)
mlog.Debug("real debug log")
mlog.Info("real info log")
mlog.Warn("real warning log")
mlog.Error("real error log")
mlog.Critical("real critical log")
if testCase.LoggerConfiguration.EnableFile {
logs, err := ioutil.ReadFile(filePath)
require.NoError(t, err)
actual := strings.TrimSpace(string(logs))
if testCase.LoggerConfiguration.FileJson {
reTs := regexp.MustCompile(`"ts":[0-9\.]+`)
reCaller := regexp.MustCompile(`"caller":"([^"]+):[0-9\.]+"`)
actual = reTs.ReplaceAllString(actual, `"ts":0`)
actual = reCaller.ReplaceAllString(actual, `"caller":"$1:0"`)
} else {
actualRows := strings.Split(actual, "\n")
for i, actualRow := range actualRows {
actualFields := strings.Split(actualRow, "\t")
if len(actualFields) > 3 {
actualFields[0] = "TIME"
reCaller := regexp.MustCompile(`([^"]+):[0-9\.]+`)
actualFields[2] = reCaller.ReplaceAllString(actualFields[2], "$1:0")
actualRows[i] = strings.Join(actualFields, "\t")
}
}
actual = strings.Join(actualRows, "\n")
}
require.Equal(t, testCase.ExpectedLogs, strings.Split(actual, "\n"))
}
})
}
}
|
