open-consul/logging/logfile_test.go

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package logging
import (
"io/ioutil"
"path/filepath"
"testing"
"time"
"github.com/hashicorp/consul/sdk/testutil"
)
const (
testFileName = "Consul.log"
testDuration = 2 * time.Second
testBytes = 10
)
func TestLogFile_timeRotation(t *testing.T) {
t.Parallel()
tempDir := testutil.TempDir(t, "LogWriterTime")
logFile := LogFile{
fileName: testFileName,
logPath: tempDir,
duration: testDuration,
}
logFile.Write([]byte("Hello World"))
time.Sleep(2 * time.Second)
logFile.Write([]byte("Second File"))
want := 2
if got, _ := ioutil.ReadDir(tempDir); len(got) != want {
t.Errorf("Expected %d files, got %v file(s)", want, len(got))
}
}
func TestLogFile_openNew(t *testing.T) {
t.Parallel()
tempDir := testutil.TempDir(t, "LogWriterOpen")
logFile := LogFile{fileName: testFileName, logPath: tempDir, duration: testDuration}
if err := logFile.openNew(); err != nil {
t.Errorf("Expected open file %s, got an error (%s)", testFileName, err)
}
if _, err := ioutil.ReadFile(logFile.FileInfo.Name()); err != nil {
t.Errorf("Expected readable file %s, got an error (%s)", logFile.FileInfo.Name(), err)
}
}
func TestLogFile_byteRotation(t *testing.T) {
t.Parallel()
tempDir := testutil.TempDir(t, "LogWriterBytes")
logFile := LogFile{
fileName: testFileName,
logPath: tempDir,
MaxBytes: testBytes,
duration: 24 * time.Hour,
}
logFile.Write([]byte("Hello World"))
logFile.Write([]byte("Second File"))
want := 2
tempFiles, _ := ioutil.ReadDir(tempDir)
if got := tempFiles; len(got) != want {
t.Errorf("Expected %d files, got %v file(s)", want, len(got))
}
}
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func TestLogFile_deleteArchives(t *testing.T) {
t.Parallel()
tempDir := testutil.TempDir(t, "LogWriteDeleteArchives")
logFile := LogFile{
fileName: testFileName,
logPath: tempDir,
MaxBytes: testBytes,
duration: 24 * time.Hour,
MaxFiles: 1,
}
logFile.Write([]byte("[INFO] Hello World"))
logFile.Write([]byte("[INFO] Second File"))
logFile.Write([]byte("[INFO] Third File"))
want := 2
tempFiles, _ := ioutil.ReadDir(tempDir)
if got := tempFiles; len(got) != want {
t.Errorf("Expected %d files, got %v file(s)", want, len(got))
return
}
for _, tempFile := range tempFiles {
var bytes []byte
var err error
path := filepath.Join(tempDir, tempFile.Name())
if bytes, err = ioutil.ReadFile(path); err != nil {
t.Errorf(err.Error())
return
}
contents := string(bytes)
if contents == "[INFO] Hello World" {
t.Errorf("Should have deleted the eldest log file")
return
}
}
}
func TestLogFile_deleteArchivesDisabled(t *testing.T) {
t.Parallel()
tempDir := testutil.TempDir(t, t.Name())
logFile := LogFile{
fileName: testFileName,
logPath: tempDir,
MaxBytes: testBytes,
duration: 24 * time.Hour,
MaxFiles: 0,
}
logFile.Write([]byte("[INFO] Hello World"))
logFile.Write([]byte("[INFO] Second File"))
logFile.Write([]byte("[INFO] Third File"))
want := 3
tempFiles, _ := ioutil.ReadDir(tempDir)
if got := tempFiles; len(got) != want {
t.Errorf("Expected %d files, got %v file(s)", want, len(got))
return
}
}
func TestLogFile_rotationDisabled(t *testing.T) {
t.Parallel()
tempDir := testutil.TempDir(t, t.Name())
logFile := LogFile{
fileName: testFileName,
logPath: tempDir,
MaxBytes: testBytes,
duration: 24 * time.Hour,
MaxFiles: -1,
}
logFile.Write([]byte("[INFO] Hello World"))
logFile.Write([]byte("[INFO] Second File"))
logFile.Write([]byte("[INFO] Third File"))
want := 1
tempFiles, _ := ioutil.ReadDir(tempDir)
if got := tempFiles; len(got) != want {
t.Errorf("Expected %d files, got %v file(s)", want, len(got))
return
}
}