116 lines
3.3 KiB
Go
116 lines
3.3 KiB
Go
package rotate
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestFileWriter_NoRotation(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "RotationNo")
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require.NoError(t, err)
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writer, err := NewFileWriter(filepath.Join(tempDir, "test"), 0, 0, 0)
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require.NoError(t, err)
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defer func() { writer.Close(); os.RemoveAll(tempDir) }()
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_, err = writer.Write([]byte("Hello World"))
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require.NoError(t, err)
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_, err = writer.Write([]byte("Hello World 2"))
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require.NoError(t, err)
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files, _ := ioutil.ReadDir(tempDir)
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assert.Equal(t, 1, len(files))
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}
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func TestFileWriter_TimeRotation(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "RotationTime")
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require.NoError(t, err)
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interval, _ := time.ParseDuration("1s")
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writer, err := NewFileWriter(filepath.Join(tempDir, "test"), interval, 0, -1)
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require.NoError(t, err)
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defer func() { writer.Close(); os.RemoveAll(tempDir) }()
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_, err = writer.Write([]byte("Hello World"))
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require.NoError(t, err)
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time.Sleep(1 * time.Second)
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_, err = writer.Write([]byte("Hello World 2"))
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require.NoError(t, err)
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files, _ := ioutil.ReadDir(tempDir)
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assert.Equal(t, 2, len(files))
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}
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func TestFileWriter_SizeRotation(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "RotationSize")
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require.NoError(t, err)
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maxSize := int64(9)
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writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), 0, maxSize, -1)
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require.NoError(t, err)
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defer func() { writer.Close(); os.RemoveAll(tempDir) }()
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_, err = writer.Write([]byte("Hello World"))
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require.NoError(t, err)
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_, err = writer.Write([]byte("World 2"))
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require.NoError(t, err)
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files, _ := ioutil.ReadDir(tempDir)
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assert.Equal(t, 2, len(files))
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}
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func TestFileWriter_DeleteArchives(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "RotationDeleteArchives")
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require.NoError(t, err)
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maxSize := int64(5)
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writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), 0, maxSize, 2)
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require.NoError(t, err)
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defer func() { writer.Close(); os.RemoveAll(tempDir) }()
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_, err = writer.Write([]byte("First file"))
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require.NoError(t, err)
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// File names include the date with second precision
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// So, to force rotation with different file names
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// we need to wait
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time.Sleep(1 * time.Second)
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_, err = writer.Write([]byte("Second file"))
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require.NoError(t, err)
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time.Sleep(1 * time.Second)
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_, err = writer.Write([]byte("Third file"))
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require.NoError(t, err)
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files, _ := ioutil.ReadDir(tempDir)
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assert.Equal(t, 3, len(files))
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for _, tempFile := range files {
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var bytes []byte
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var err error
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path := filepath.Join(tempDir, tempFile.Name())
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if bytes, err = ioutil.ReadFile(path); err != nil {
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t.Error(err.Error())
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return
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}
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contents := string(bytes)
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if contents != "" && contents != "Second file" && contents != "Third file" {
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t.Error("Should have deleted the eldest log file")
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return
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}
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}
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}
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func TestFileWriter_CloseRotates(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "RotationClose")
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require.NoError(t, err)
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defer os.RemoveAll(tempDir)
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maxSize := int64(9)
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writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), 0, maxSize, -1)
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require.NoError(t, err)
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writer.Close()
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files, _ := ioutil.ReadDir(tempDir)
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assert.Equal(t, 1, len(files))
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assert.Regexp(t, "^test\\.[^\\.]+\\.log$", files[0].Name())
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}
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