[ForReview] Refactor otelzap tests 2nd edition

bridges/otelzap/bench_test.go

@@ -0,0 +1,109 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package otelzap
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+func BenchmarkCoreWrite(b *testing.B) {
+	benchmarks := []struct {
+		name   string
+		fields []zapcore.Field
+	}{
+		{
+			name: "10 fields",
+			fields: []zapcore.Field{
+				zap.Int16("a", 1),
+				zap.String("k", "a"),
+				zap.Bool("k", true),
+				zap.Time("k", time.Unix(1000, 1000)),
+				zap.Binary("k", []byte{1, 2}),
+				zap.ByteString("k", []byte{1, 2}),
+				zap.Object("k", loggable{true}),
+				zap.Array("k", loggable{true}),
+				zap.String("k", "a"),
+				zap.Ints("k", []int{1, 2}),
+			},
+		},
+		{
+			name: "20 fields",
+			fields: []zapcore.Field{
+				zap.Int16("a", 1),
+				zap.String("k", "a"),
+				zap.Bool("k", true),
+				zap.Time("k", time.Unix(1000, 1000)),
+				zap.Binary("k", []byte{1, 2}),
+				zap.ByteString("k", []byte{1, 2}),
+				zap.Object("k", loggable{true}),
+				zap.String("k", "a"),
+				zap.Array("k", loggable{true}),
+				zap.Ints("k", []int{1, 2}),
+				zap.Int16("a", 1),
+				zap.String("k", "a"),
+				zap.Bool("k", true),
+				zap.Time("k", time.Unix(1000, 1000)),
+				zap.Binary("k", []byte{1, 2}),
+				zap.ByteString("k", []byte{1, 2}),
+				zap.Object("k", loggable{true}),
+				zap.Array("k", loggable{true}),
+				zap.String("k", "a"),
+				zap.Ints("k", []int{1, 2}),
+			},
+		},
+		{ // Benchmark with nested namespace
+			name: "Namespace",
+			fields: []zapcore.Field{
+				zap.Namespace("a"),
+				zap.Int16("a", 1),
+				zap.String("k", "a"),
+				zap.Bool("k", true),
+				zap.Time("k", time.Unix(1000, 1000)),
+				zap.Binary("k", []byte{1, 2}),
+				zap.Namespace("b"),
+				zap.Binary("k", []byte{1, 2}),
+				zap.Object("k", loggable{true}),
+				zap.String("k", "a"),
+				zap.Array("k", loggable{true}),
+				zap.Ints("k", []int{1, 2}),
+			},
+		},
+	}
+
+	for _, bm := range benchmarks {
+		b.Run(bm.name, func(b *testing.B) {
+			zc := NewCore(loggerName)
+			b.ReportAllocs()
+			b.RunParallel(func(pb *testing.PB) {
+				for pb.Next() {
+					err := zc.Write(testEntry, bm.fields)
+					if err != nil {
+						b.Errorf("Unexpected error: %v", err)
+					}
+				}
+			})
+		})
+	}
+
+	for _, bm := range benchmarks {
+		b.Run(fmt.Sprint("With", bm.name), func(b *testing.B) {
+			zc := NewCore(loggerName)
+			zc1 := zc.With(bm.fields)
+			b.ReportAllocs()
+			b.RunParallel(func(pb *testing.PB) {
+				for pb.Next() {
+					err := zc1.Write(testEntry, []zapcore.Field{})
+					if err != nil {
+						b.Errorf("Unexpected error: %v", err)
+					}
+				}
+			})
+		})
+	}
+}