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48 lines
974 B
48 lines
974 B
package log
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import (
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/stretchr/testify/assert"
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)
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func (w *FileLogWriter) WriteLine(line string) error {
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n, err := w.mw.Write([]byte(line))
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if err != nil {
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return err
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}
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w.docheck(n)
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return nil
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}
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func TestLogFile(t *testing.T) {
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fileLogWrite := NewFileWriter()
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require.NotNil(t, fileLogWrite)
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t.Cleanup(func() {
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err := fileLogWrite.Close()
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assert.NoError(t, err)
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err = os.Remove(fileLogWrite.Filename)
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assert.NoError(t, err)
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})
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fileLogWrite.Filename = "grafana_test.log"
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err := fileLogWrite.Init()
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require.NoError(t, err)
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assert.Zero(t, fileLogWrite.maxlinesCurlines)
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t.Run("adding lines", func(t *testing.T) {
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err := fileLogWrite.WriteLine("test1\n")
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require.NoError(t, err)
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err = fileLogWrite.WriteLine("test2\n")
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require.NoError(t, err)
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err = fileLogWrite.WriteLine("test3\n")
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require.NoError(t, err)
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assert.Equal(t, 3, fileLogWrite.maxlinesCurlines)
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})
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}
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