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package log_test
import (
"context"
"errors"
"fmt"
"io"
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"testing"
"time"
"gitoa.ru/go-4devs/log"
"gitoa.ru/go-4devs/log/field"
)
var (
errExample = errors.New("fail")
_messages = fakeMessages(1000)
_tenInts = []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0}
_tenStrings = []string{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j"}
_tenTimes = []time.Time{
time.Unix(0, 0),
time.Unix(1, 0),
time.Unix(2, 0),
time.Unix(3, 0),
time.Unix(4, 0),
time.Unix(5, 0),
time.Unix(6, 0),
time.Unix(7, 0),
time.Unix(8, 0),
time.Unix(9, 0),
}
_oneUser = &user{
Name: "Jane Doe",
Email: "jane@test.com",
CreatedAt: time.Date(1980, 1, 1, 12, 0, 0, 0, time.UTC),
}
_tenUsers = users{
_oneUser,
_oneUser,
_oneUser,
_oneUser,
_oneUser,
_oneUser,
_oneUser,
_oneUser,
_oneUser,
_oneUser,
}
)
type user struct {
Name string `json:"name"`
Email string `json:"email"`
CreatedAt time.Time `json:"created_at"`
}
type users []*user
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]
}
func fakeFmtArgs() []interface{} {
// Need to keep this a function instead of a package-global var so that we
// pay the cast-to-interface{} penalty on each call.
return []interface{}{
_tenInts[0],
_tenInts,
_tenStrings[0],
_tenStrings,
_tenTimes[0],
_tenTimes,
_oneUser,
_oneUser,
_tenUsers,
errExample,
}
}
func fakeFields() []field.Field {
return []field.Field{
field.Int("int", _tenInts[0]),
field.Ints("ints", _tenInts...),
field.String("string", _tenStrings[0]),
field.Strings("strings", _tenStrings...),
field.Time("time", _tenTimes[0]),
field.Times("times", _tenTimes...),
field.Any("user1", _oneUser),
field.Any("user2", _oneUser),
field.Any("users", _tenUsers),
field.Error("err", errExample),
}
}
func fakeSugarFields() []interface{} {
return []interface{}{
"int", _tenInts[0],
"ints", _tenInts,
"string", _tenStrings[0],
"strings", _tenStrings,
"time", _tenTimes[0],
"times", _tenTimes,
"user1", _oneUser,
"user2", _oneUser,
"users", _tenUsers,
"error", errExample,
}
}
func NewLogger() log.Logger {
return log.New(log.WithWriter(io.Discard))
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}
func BenchmarkDisabledWithoutFields(b *testing.B) {
ctx := context.Background()
logger := NewLogger()
b.Run("4devs/log", func(b *testing.B) {
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
logger.Info(ctx, getMessage(0))
}
})
})
b.Run("4devs/log.Formatting", func(b *testing.B) {
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
logger.Infof(ctx, "%v %v %v %s %v %v %v %v %v %s\n", fakeFmtArgs()...)
}
})
})
}
func BenchmarkDisabledAccumulatedContext(b *testing.B) {
ctx := context.Background()
logger := NewLogger()
b.Run("4devs/log", func(b *testing.B) {
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
logger.InfoKV(ctx, getMessage(0), fakeFields()...)
}
})
})
b.Run("4devs/log.Sugar", func(b *testing.B) {
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
logger.InfoKVs(ctx, getMessage(1), fakeSugarFields()...)
}
})
})
b.Run("4devs/log.Context", func(b *testing.B) {
b.ResetTimer()
logger := NewLogger().With(log.GoVersion("goversion"))
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
logger.InfoKV(ctx, getMessage(0), fakeFields()...)
}
})
})
}