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wrapper_test.go
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wrapper_test.go
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package unilogger
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
type stdlogger struct{}
func (s *stdlogger) Print(args ...interface{}) {}
func (s *stdlogger) Printf(format string, args ...interface{}) {}
func (s *stdlogger) Println(args ...interface{}) {}
func (s *stdlogger) Panic(args ...interface{}) {}
func (s *stdlogger) Panicf(format string, args ...interface{}) {}
func (s *stdlogger) Panicln(args ...interface{}) {}
func (s *stdlogger) Fatal(args ...interface{}) {}
func (s *stdlogger) Fatalf(format string, args ...interface{}) {}
func (s *stdlogger) Fatalln(args ...interface{}) {}
type leveledLogger struct{}
func (l *leveledLogger) Debugf(format string, args ...interface{}) {}
func (l *leveledLogger) Infof(format string, args ...interface{}) {}
func (l *leveledLogger) Warningf(format string, args ...interface{}) {}
func (l *leveledLogger) Errorf(format string, args ...interface{}) {}
func (l *leveledLogger) Fatalf(format string, args ...interface{}) {}
func (l *leveledLogger) Panicf(format string, args ...interface{}) {}
func (l *leveledLogger) Debug(args ...interface{}) {}
func (l *leveledLogger) Info(args ...interface{}) {}
func (l *leveledLogger) Warning(args ...interface{}) {}
func (l *leveledLogger) Error(args ...interface{}) {}
func (l *leveledLogger) Fatal(args ...interface{}) {}
func (l *leveledLogger) Panic(args ...interface{}) {}
type shortLeveledLogger struct{}
func (c *shortLeveledLogger) Debugf(format string, args ...interface{}) {}
func (c *shortLeveledLogger) Infof(format string, args ...interface{}) {}
func (c *shortLeveledLogger) Warnf(format string, args ...interface{}) {}
func (c *shortLeveledLogger) Errorf(format string, args ...interface{}) {}
func (c *shortLeveledLogger) Fatalf(format string, args ...interface{}) {}
func (c *shortLeveledLogger) Panicf(format string, args ...interface{}) {}
func (c *shortLeveledLogger) Debug(args ...interface{}) {}
func (c *shortLeveledLogger) Info(args ...interface{}) {}
func (c *shortLeveledLogger) Warn(args ...interface{}) {}
func (c *shortLeveledLogger) Error(args ...interface{}) {}
func (c *shortLeveledLogger) Fatal(args ...interface{}) {}
func (c *shortLeveledLogger) Panic(args ...interface{}) {}
type extendedLogger struct {
leveledLogger
}
func (e *extendedLogger) Print(args ...interface{}) {}
func (e *extendedLogger) Printf(format string, args ...interface{}) {}
func (e *extendedLogger) Println(args ...interface{}) {}
func (e *extendedLogger) Debugln(args ...interface{}) {}
func (e *extendedLogger) Infoln(args ...interface{}) {}
func (e *extendedLogger) Warningln(args ...interface{}) {}
func (e *extendedLogger) Errorln(args ...interface{}) {}
func (e *extendedLogger) Fatalln(args ...interface{}) {}
func (e *extendedLogger) Panicln(args ...interface{}) {}
type nonLogger struct{}
// TestNewLoggerWrapper tests NewLoggerWrapper function.
func TestNewLoggerWrapper(t *testing.T) {
loggers := []interface{}{&stdlogger{}, &leveledLogger{}, &shortLeveledLogger{}, &extendedLogger{}}
t.Run("NewWrapper", func(t *testing.T) {
for _, logger := range loggers {
wrapper, err := NewLoggerWrapper(logger)
assert.IsType(t, &LoggerWrapper{}, wrapper)
assert.NoError(t, err)
wrapper = MustGetLoggerWrapper(logger)
assert.IsType(t, &LoggerWrapper{}, wrapper)
}
args := []interface{}{}
format := "some format"
for _, logger := range loggers {
wrapper := MustGetLoggerWrapper(logger)
wrapper.Print(args)
wrapper.Printf(format, args)
wrapper.Println(args)
wrapper.Debug(args)
wrapper.Debugf(format, args...)
wrapper.Debugln(args)
wrapper.Info(args)
wrapper.Infof(format, args...)
wrapper.Infoln(args)
wrapper.Warning(args)
wrapper.Warningf(format, args...)
wrapper.Warningln(args)
wrapper.Error(args)
wrapper.Errorf(format, args)
wrapper.Errorln(args)
wrapper.Fatal(args)
wrapper.Fatalf(format, args)
wrapper.Fatalln(args)
wrapper.Panic(args)
wrapper.Panicf(format, args)
wrapper.Panicln(args)
}
})
t.Run("NotImplement", func(t *testing.T) {
unknownLogger := nonLogger{}
wrapper, err := NewLoggerWrapper(unknownLogger)
assert.Error(t, err)
assert.Nil(t, wrapper)
assert.Panics(t, func() { MustGetLoggerWrapper(unknownLogger) })
})
}
// TestBuildLeveled tests the buildLeveled function.
func TestBuildLeveled(t *testing.T) {
level := DEBUG
format := "some format"
arguments := []interface{}{"First", "Second"}
// Providing nil format should add level as first argument to args
t.Run("NilFormat", func(t *testing.T) {
args := buildLeveled(level, nil, arguments...)
assert.Equal(t, fmt.Sprintf("%s: ", level), args[0])
})
t.Run("Formatted", func(t *testing.T) {
thisFormat := format
buildLeveled(level, &thisFormat, arguments...)
assert.NotEqual(t, format, thisFormat)
})
}