code.gitea.io/gitea@v1.22.3/modules/util/rotatingfilewriter/writer_test.go (about)

     1  // Copyright 2023 The Gitea Authors. All rights reserved.
     2  // SPDX-License-Identifier: MIT
     3  
     4  package rotatingfilewriter
     5  
     6  import (
     7  	"compress/gzip"
     8  	"io"
     9  	"os"
    10  	"path/filepath"
    11  	"testing"
    12  
    13  	"github.com/stretchr/testify/assert"
    14  )
    15  
    16  func TestCompressOldFile(t *testing.T) {
    17  	tmpDir := t.TempDir()
    18  	fname := filepath.Join(tmpDir, "test")
    19  	nonGzip := filepath.Join(tmpDir, "test-nonGzip")
    20  
    21  	f, err := os.OpenFile(fname, os.O_CREATE|os.O_WRONLY, 0o660)
    22  	assert.NoError(t, err)
    23  	ng, err := os.OpenFile(nonGzip, os.O_CREATE|os.O_WRONLY, 0o660)
    24  	assert.NoError(t, err)
    25  
    26  	for i := 0; i < 999; i++ {
    27  		f.WriteString("This is a test file\n")
    28  		ng.WriteString("This is a test file\n")
    29  	}
    30  	f.Close()
    31  	ng.Close()
    32  
    33  	err = compressOldFile(fname, gzip.DefaultCompression)
    34  	assert.NoError(t, err)
    35  
    36  	_, err = os.Lstat(fname + ".gz")
    37  	assert.NoError(t, err)
    38  
    39  	f, err = os.Open(fname + ".gz")
    40  	assert.NoError(t, err)
    41  	zr, err := gzip.NewReader(f)
    42  	assert.NoError(t, err)
    43  	data, err := io.ReadAll(zr)
    44  	assert.NoError(t, err)
    45  	original, err := os.ReadFile(nonGzip)
    46  	assert.NoError(t, err)
    47  	assert.Equal(t, original, data)
    48  }