write_syncer_bench_test.go

Documentation: go.uber.org/zap/zapcore

     1  // Copyright (c) 2016 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package zapcore
    22  
    23  import (
    24  	"os"
    25  	"testing"
    26  
    27  	"github.com/stretchr/testify/assert"
    28  	"github.com/stretchr/testify/require"
    29  	"go.uber.org/zap/internal/ztest"
    30  )
    31  
    32  func BenchmarkMultiWriteSyncer(b *testing.B) {
    33  	b.Run("2 discarder", func(b *testing.B) {
    34  		w := NewMultiWriteSyncer(
    35  			&ztest.Discarder{},
    36  			&ztest.Discarder{},
    37  		)
    38  		b.ResetTimer()
    39  		b.RunParallel(func(pb *testing.PB) {
    40  			for pb.Next() {
    41  				if _, err := w.Write([]byte("foobarbazbabble")); err != nil {
    42  					b.Fatal(err)
    43  				}
    44  			}
    45  		})
    46  	})
    47  	b.Run("4 discarder", func(b *testing.B) {
    48  		w := NewMultiWriteSyncer(
    49  			&ztest.Discarder{},
    50  			&ztest.Discarder{},
    51  			&ztest.Discarder{},
    52  			&ztest.Discarder{},
    53  		)
    54  		b.ResetTimer()
    55  		b.RunParallel(func(pb *testing.PB) {
    56  			for pb.Next() {
    57  				if _, err := w.Write([]byte("foobarbazbabble")); err != nil {
    58  					b.Fatal(err)
    59  				}
    60  			}
    61  		})
    62  	})
    63  	b.Run("4 discarder with buffer", func(b *testing.B) {
    64  		w := &BufferedWriteSyncer{
    65  			WS: NewMultiWriteSyncer(
    66  				&ztest.Discarder{},
    67  				&ztest.Discarder{},
    68  				&ztest.Discarder{},
    69  				&ztest.Discarder{},
    70  			),
    71  		}
    72  		defer func() {
    73  			assert.NoError(b, w.Stop(), "Unexpected error stopping buffered write syncer.")
    74  		}()
    75  		b.ResetTimer()
    76  		b.RunParallel(func(pb *testing.PB) {
    77  			for pb.Next() {
    78  				if _, err := w.Write([]byte("foobarbazbabble")); err != nil {
    79  					b.Fatal(err)
    80  				}
    81  			}
    82  		})
    83  	})
    84  }
    85  
    86  func BenchmarkWriteSyncer(b *testing.B) {
    87  	b.Run("write file with no buffer", func(b *testing.B) {
    88  		file, err := os.CreateTemp(b.TempDir(), "test.log")
    89  		require.NoError(b, err)
    90  
    91  		w := AddSync(file)
    92  		b.ResetTimer()
    93  		b.RunParallel(func(pb *testing.PB) {
    94  			for pb.Next() {
    95  				if _, err := w.Write([]byte("foobarbazbabble")); err != nil {
    96  					b.Fatal(err)
    97  				}
    98  			}
    99  		})
   100  	})
   101  }
   102
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