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// Copyright © 2016 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package jwalterweatherman
import (
"bytes"
"io/ioutil"
"sync"
"testing"
"github.com/stretchr/testify/require"
)
func TestThresholds(t *testing.T) {
SetStdoutThreshold(LevelError)
require.Equal(t, StdoutThreshold(), LevelError)
SetLogThreshold(LevelCritical)
require.Equal(t, LogThreshold(), LevelCritical)
require.NotEqual(t, StdoutThreshold(), LevelCritical)
SetStdoutThreshold(LevelWarn)
require.Equal(t, StdoutThreshold(), LevelWarn)
}
func TestDefaultLogging(t *testing.T) {
var outputBuf, logBuf bytes.Buffer
defaultNotepad.logHandle = &logBuf
defaultNotepad.outHandle = &outputBuf
SetLogThreshold(LevelWarn)
SetStdoutThreshold(LevelError)
FATAL.Println("fatal err")
CRITICAL.Println("critical err")
ERROR.Println("an error")
WARN.Println("a warning")
INFO.Println("information")
DEBUG.Println("debugging info")
TRACE.Println("trace")
require.Contains(t, logBuf.String(), "fatal err")
require.Contains(t, logBuf.String(), "critical err")
require.Contains(t, logBuf.String(), "an error")
require.Contains(t, logBuf.String(), "a warning")
require.NotContains(t, logBuf.String(), "information")
require.NotContains(t, logBuf.String(), "debugging info")
require.NotContains(t, logBuf.String(), "trace")
require.Contains(t, outputBuf.String(), "fatal err")
require.Contains(t, outputBuf.String(), "critical err")
require.Contains(t, outputBuf.String(), "an error")
require.NotContains(t, outputBuf.String(), "a warning")
require.NotContains(t, outputBuf.String(), "information")
require.NotContains(t, outputBuf.String(), "debugging info")
require.NotContains(t, outputBuf.String(), "trace")
}
func TestLogCounter(t *testing.T) {
defaultNotepad.logHandle = ioutil.Discard
defaultNotepad.outHandle = ioutil.Discard
SetLogThreshold(LevelTrace)
SetStdoutThreshold(LevelTrace)
FATAL.Println("fatal err")
CRITICAL.Println("critical err")
WARN.Println("a warning")
WARN.Println("another warning")
INFO.Println("information")
DEBUG.Println("debugging info")
TRACE.Println("trace")
wg := &sync.WaitGroup{}
for i := 0; i < 10; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for j := 0; j < 10; j++ {
ERROR.Println("error", j)
// check for data races
require.True(t, LogCountForLevel(LevelError) > uint64(j))
require.True(t, LogCountForLevelsGreaterThanorEqualTo(LevelError) > uint64(j))
}
}()
}
wg.Wait()
require.Equal(t, uint64(1), LogCountForLevel(LevelFatal))
require.Equal(t, uint64(1), LogCountForLevel(LevelCritical))
require.Equal(t, uint64(2), LogCountForLevel(LevelWarn))
require.Equal(t, uint64(1), LogCountForLevel(LevelInfo))
require.Equal(t, uint64(1), LogCountForLevel(LevelDebug))
require.Equal(t, uint64(1), LogCountForLevel(LevelTrace))
require.Equal(t, uint64(100), LogCountForLevel(LevelError))
require.Equal(t, uint64(102), LogCountForLevelsGreaterThanorEqualTo(LevelError))
}
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