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package zap_test
import (
"encoding/json"
kitzap "github.com/go-kit/kit/log/zap"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"strings"
"testing"
)
func TestZapSugarLogger(t *testing.T) {
// logger config
encoderConfig := zap.NewDevelopmentEncoderConfig()
encoder := zapcore.NewJSONEncoder(encoderConfig)
levelKey := encoderConfig.LevelKey
// basic test cases
type testCase struct {
level zapcore.Level
kvs []interface{}
want map[string]string
}
testCases := []testCase{
{level: zapcore.DebugLevel, kvs: []interface{}{"key1", "value1"},
want: map[string]string{levelKey: "DEBUG", "key1": "value1"}},
{level: zapcore.InfoLevel, kvs: []interface{}{"key2", "value2"},
want: map[string]string{levelKey: "INFO", "key2": "value2"}},
{level: zapcore.WarnLevel, kvs: []interface{}{"key3", "value3"},
want: map[string]string{levelKey: "WARN", "key3": "value3"}},
{level: zapcore.ErrorLevel, kvs: []interface{}{"key4", "value4"},
want: map[string]string{levelKey: "ERROR", "key4": "value4"}},
{level: zapcore.DPanicLevel, kvs: []interface{}{"key5", "value5"},
want: map[string]string{levelKey: "DPANIC", "key5": "value5"}},
{level: zapcore.PanicLevel, kvs: []interface{}{"key6", "value6"},
want: map[string]string{levelKey: "PANIC", "key6": "value6"}},
}
// test
for _, testCase := range testCases {
t.Run(testCase.level.String(), func(t *testing.T) {
// make logger
writer := &tbWriter{tb: t}
logger := zap.New(
zapcore.NewCore(encoder, zapcore.AddSync(writer), zap.DebugLevel),
zap.Development())
// check panic
shouldPanic := testCase.level >= zapcore.DPanicLevel
kitLogger := kitzap.NewZapSugarLogger(logger, testCase.level)
defer func() {
isPanic := recover() != nil
if shouldPanic != isPanic {
t.Errorf("test level %v should panic(%v), but %v", testCase.level, shouldPanic, isPanic)
}
// check log kvs
logMap := make(map[string]string)
err := json.Unmarshal([]byte(writer.sb.String()), &logMap)
if err != nil {
t.Errorf("unmarshal error: %v", err)
} else {
for k, v := range testCase.want {
vv, ok := logMap[k]
if !ok || v != vv {
t.Error("error log")
}
}
}
}()
kitLogger.Log(testCase.kvs...)
})
}
}
type tbWriter struct {
tb testing.TB
sb strings.Builder
}
func (w *tbWriter) Write(b []byte) (n int, err error) {
w.tb.Logf(string(b))
w.sb.Write(b)
return len(b), nil
}
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