gitea/modules/util/rotatingfilewriter/writer_test.go

49 lines
1.1 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package rotatingfilewriter
import (
"compress/gzip"
"io"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
)
func TestCompressOldFile(t *testing.T) {
tmpDir := t.TempDir()
fname := filepath.Join(tmpDir, "test")
nonGzip := filepath.Join(tmpDir, "test-nonGzip")
f, err := os.OpenFile(fname, os.O_CREATE|os.O_WRONLY, 0o660)
assert.NoError(t, err)
ng, err := os.OpenFile(nonGzip, os.O_CREATE|os.O_WRONLY, 0o660)
assert.NoError(t, err)
for i := 0; i < 999; i++ {
f.WriteString("This is a test file\n")
ng.WriteString("This is a test file\n")
}
f.Close()
ng.Close()
err = compressOldFile(fname, gzip.DefaultCompression)
assert.NoError(t, err)
_, err = os.Lstat(fname + ".gz")
assert.NoError(t, err)
f, err = os.Open(fname + ".gz")
assert.NoError(t, err)
zr, err := gzip.NewReader(f)
assert.NoError(t, err)
data, err := io.ReadAll(zr)
assert.NoError(t, err)
original, err := os.ReadFile(nonGzip)
assert.NoError(t, err)
assert.Equal(t, original, data)
}