adding in logging

vendor/go.uber.org/zap/benchmarks/zap_test.go

@@ -0,0 +1,117 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package benchmarks
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"go.uber.org/zap/zaptest"
+)
+
+var (
+	errExample = errors.New("fail")
+
+	_messages = fakeMessages(1000)
+)
+
+func fakeMessages(n int) []string {
+	messages := make([]string, n)
+	for i := range messages {
+		messages[i] = fmt.Sprintf("Test logging, but use a somewhat realistic message length. (#%v)", i)
+	}
+	return messages
+}
+
+func getMessage(iter int) string {
+	return _messages[iter%1000]
+}
+
+type user struct {
+	Name      string    `json:"name"`
+	Email     string    `json:"email"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+func (u user) MarshalLogObject(enc zapcore.ObjectEncoder) error {
+	enc.AddString("name", u.Name)
+	enc.AddString("email", u.Email)
+	enc.AddInt64("created_at", u.CreatedAt.UnixNano())
+	return nil
+}
+
+var _jane = user{
+	Name:      "Jane Doe",
+	Email:     "jane@test.com",
+	CreatedAt: time.Date(1980, 1, 1, 12, 0, 0, 0, time.UTC),
+}
+
+func newZapLogger(lvl zapcore.Level) *zap.Logger {
+	// use the canned production encoder configuration
+	enc := zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig())
+	return zap.New(zapcore.NewCore(
+		enc,
+		&zaptest.Discarder{},
+		lvl,
+	))
+}
+
+func newSampledLogger(lvl zapcore.Level) *zap.Logger {
+	return zap.New(zapcore.NewSampler(
+		newZapLogger(zap.DebugLevel).Core(),
+		100*time.Millisecond,
+		10, // first
+		10, // thereafter
+	))
+}
+
+func fakeFields() []zapcore.Field {
+	return []zapcore.Field{
+		zap.Int("int", 1),
+		zap.Int64("int64", 2),
+		zap.Float64("float", 3.0),
+		zap.String("string", "four!"),
+		zap.Bool("bool", true),
+		zap.Time("time", time.Unix(0, 0)),
+		zap.Error(errExample),
+		zap.Duration("duration", time.Second),
+		zap.Object("user-defined type", _jane),
+		zap.String("another string", "done!"),
+	}
+}
+
+func fakeSugarFields() []interface{} {
+	return []interface{}{
+		"int", 1,
+		"int64", 2,
+		"float", 3.0,
+		"string", "four!",
+		"bool", true,
+		"time", time.Unix(0, 0),
+		"error", errExample,
+		"duration", time.Second,
+		"user-defined type", _jane,
+		"another string", "done!",
+	}
+}