github.com/livekit/protocol@v1.16.1-0.20240517185851-47e4c6bba773/logger/zaputil/deferrer_test.go (about)

     1  // Copyright 2023 LiveKit, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package zaputil
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  	"go.uber.org/zap"
    22  )
    23  
    24  func TestDeferredLogger(t *testing.T) {
    25  	c := &testCore{Core: zap.NewExample().Core()}
    26  	d, resolve := NewDeferrer()
    27  	dc := NewDeferredValueCore(c, d)
    28  	s := zap.New(dc).Sugar()
    29  
    30  	s.Infow("test")
    31  	require.Equal(t, 0, c.WriteCount())
    32  
    33  	s.With("a", "1").Infow("test")
    34  	require.Equal(t, 0, c.WriteCount())
    35  
    36  	resolve("b", "2")
    37  	require.Equal(t, 2, c.WriteCount())
    38  
    39  	s.With("c", "3").Infow("test")
    40  	require.Equal(t, 3, c.WriteCount())
    41  }