107 lines
2.4 KiB
Go
107 lines
2.4 KiB
Go
package logger
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import (
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"bufio"
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"bytes"
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestLogLevel(t *testing.T) {
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timeFormat := "2006-01-02"
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f := NewDefaultFormatter(timeFormat)
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m := NewWriteManager()
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var testBuffer bytes.Buffer
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logger := NewOutputWriter(m)
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logger.Add(&testBuffer, f, InfoLevel, DebugLevel)
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testTime := f.Timestamp(InfoLevel, time.Now())
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testInfo := "hello Dalton, how are you doing?"
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logger.Info(testInfo)
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tesErr := "hello Austin, how did it break today?"
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logger.Error(tesErr)
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testDebug := "hello Bill, who are you?"
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logger.Debug(testDebug)
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m.Shutdown()
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lines := strings.Split(testBuffer.String(), "\n")
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assert.Len(t, lines, 3, "only expected two strings in the buffer")
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infoLine := lines[0]
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debugLine := lines[1]
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compareInfo := fmt.Sprintf("%s%s", testTime, testInfo)
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assert.Equal(t, compareInfo, infoLine, "expect the strings to match")
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compareDebug := fmt.Sprintf("%s%s", testTime, testDebug)
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assert.Equal(t, compareDebug, debugLine, "expect the strings to match")
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}
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func TestOutputWrite(t *testing.T) {
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timeFormat := "2006-01-02"
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f := NewDefaultFormatter(timeFormat)
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m := NewWriteManager()
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var testBuffer bytes.Buffer
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logger := NewOutputWriter(m)
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logger.Add(&testBuffer, f, InfoLevel)
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logger.Debugf("debug message not logged here")
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testData := "hello Bob Bork, how are you doing?"
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logger.Info(testData)
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testTime := f.Timestamp(InfoLevel, time.Now())
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m.Shutdown()
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scanner := bufio.NewScanner(&testBuffer)
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scanner.Scan()
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line := scanner.Text()
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assert.NoError(t, scanner.Err())
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compareLine := fmt.Sprintf("%s%s", testTime, testData)
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assert.Equal(t, compareLine, line, "expect the strings to match")
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}
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func TestFatalWrite(t *testing.T) {
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timeFormat := "2006-01-02"
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f := NewDefaultFormatter(timeFormat)
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m := NewWriteManager()
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var testBuffer bytes.Buffer
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logger := NewOutputWriter(m)
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logger.Add(&testBuffer, f, FatalLevel)
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oldOsExit := osExit
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defer func() { osExit = oldOsExit }()
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var got int
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myExit := func(code int) {
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got = code
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}
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osExit = myExit
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testData := "so long y'all"
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logger.Fatal(testData)
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testTime := f.Timestamp(FatalLevel, time.Now())
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scanner := bufio.NewScanner(&testBuffer)
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scanner.Scan()
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line := scanner.Text()
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assert.NoError(t, scanner.Err())
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compareLine := fmt.Sprintf("%s%s", testTime, testData)
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assert.Equal(t, compareLine, line, "expect the strings to match")
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assert.Equal(t, got, 1, "exit code should be one for a fatal log")
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}
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