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binary_test.go
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// +build binary_log
package zerolog
import (
"bytes"
"errors"
"fmt"
// "io/ioutil"
stdlog "log"
"time"
)
func ExampleBinaryNew() {
dst := bytes.Buffer{}
log := New(&dst)
log.Info().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"info","message":"hello world"}
}
func ExampleLogger_With() {
dst := bytes.Buffer{}
log := New(&dst).
With().
Str("foo", "bar").
Logger()
log.Info().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"info","foo":"bar","message":"hello world"}
}
func ExampleLogger_Level() {
dst := bytes.Buffer{}
log := New(&dst).Level(WarnLevel)
log.Info().Msg("filtered out message")
log.Error().Msg("kept message")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"error","message":"kept message"}
}
func ExampleLogger_Sample() {
dst := bytes.Buffer{}
log := New(&dst).Sample(&BasicSampler{N: 2})
log.Info().Msg("message 1")
log.Info().Msg("message 2")
log.Info().Msg("message 3")
log.Info().Msg("message 4")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"info","message":"message 2"}
// {"level":"info","message":"message 4"}
}
type LevelNameHook1 struct{}
func (h LevelNameHook1) Run(e *Event, l Level, msg string) {
if l != NoLevel {
e.Str("level_name", l.String())
} else {
e.Str("level_name", "NoLevel")
}
}
type MessageHook string
func (h MessageHook) Run(e *Event, l Level, msg string) {
e.Str("the_message", msg)
}
func ExampleLogger_Hook() {
var levelNameHook LevelNameHook1
var messageHook MessageHook = "The message"
dst := bytes.Buffer{}
log := New(&dst).Hook(levelNameHook).Hook(messageHook)
log.Info().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"info","level_name":"info","the_message":"hello world","message":"hello world"}
}
func ExampleLogger_Print() {
dst := bytes.Buffer{}
log := New(&dst)
log.Print("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"debug","message":"hello world"}
}
func ExampleLogger_Printf() {
dst := bytes.Buffer{}
log := New(&dst)
log.Printf("hello %s", "world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"debug","message":"hello world"}
}
func ExampleLogger_Debug() {
dst := bytes.Buffer{}
log := New(&dst)
log.Debug().
Str("foo", "bar").
Int("n", 123).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"debug","foo":"bar","n":123,"message":"hello world"}
}
func ExampleLogger_Info() {
dst := bytes.Buffer{}
log := New(&dst)
log.Info().
Str("foo", "bar").
Int("n", 123).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"info","foo":"bar","n":123,"message":"hello world"}
}
func ExampleLogger_Warn() {
dst := bytes.Buffer{}
log := New(&dst)
log.Warn().
Str("foo", "bar").
Msg("a warning message")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"warn","foo":"bar","message":"a warning message"}
}
func ExampleLogger_Error() {
dst := bytes.Buffer{}
log := New(&dst)
log.Error().
Err(errors.New("some error")).
Msg("error doing something")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"error","error":"some error","message":"error doing something"}
}
func ExampleLogger_WithLevel() {
dst := bytes.Buffer{}
log := New(&dst)
log.WithLevel(InfoLevel).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"level":"info","message":"hello world"}
}
func ExampleLogger_Write() {
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Logger()
stdlog.SetFlags(0)
stdlog.SetOutput(log)
stdlog.Print("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","message":"hello world"}
}
func ExampleLogger_Log() {
dst := bytes.Buffer{}
log := New(&dst)
log.Log().
Str("foo", "bar").
Str("bar", "baz").
Msg("")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","bar":"baz"}
}
func ExampleEvent_Dict() {
dst := bytes.Buffer{}
log := New(&dst)
log.Log().
Str("foo", "bar").
Dict("dict", Dict().
Str("bar", "baz").
Int("n", 1),
).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","dict":{"bar":"baz","n":1},"message":"hello world"}
}
type User struct {
Name string
Age int
Created time.Time
}
func (u User) MarshalZerologObject(e *Event) {
e.Str("name", u.Name).
Int("age", u.Age).
Time("created", u.Created)
}
type Users []User
func (uu Users) MarshalZerologArray(a *Array) {
for _, u := range uu {
a.Object(u)
}
}
func ExampleEvent_Array() {
dst := bytes.Buffer{}
log := New(&dst)
log.Log().
Str("foo", "bar").
Array("array", Arr().
Str("baz").
Int(1),
).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","array":["baz",1],"message":"hello world"}
}
func ExampleEvent_Array_object() {
dst := bytes.Buffer{}
log := New(&dst)
// Users implements LogArrayMarshaler
u := Users{
User{"John", 35, time.Time{}},
User{"Bob", 55, time.Time{}},
}
log.Log().
Str("foo", "bar").
Array("users", u).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","users":[{"name":"John","age":35,"created":"0001-01-01T00:00:00Z"},{"name":"Bob","age":55,"created":"0001-01-01T00:00:00Z"}],"message":"hello world"}
}
func ExampleEvent_Object() {
dst := bytes.Buffer{}
log := New(&dst)
// User implements LogObjectMarshaler
u := User{"John", 35, time.Time{}}
log.Log().
Str("foo", "bar").
Object("user", u).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","user":{"name":"John","age":35,"created":"0001-01-01T00:00:00Z"},"message":"hello world"}
}
func ExampleEvent_Interface() {
dst := bytes.Buffer{}
log := New(&dst)
obj := struct {
Name string `json:"name"`
}{
Name: "john",
}
log.Log().
Str("foo", "bar").
Interface("obj", obj).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","obj":{"name":"john"},"message":"hello world"}
}
func ExampleEvent_Dur() {
d := time.Duration(10 * time.Second)
dst := bytes.Buffer{}
log := New(&dst)
log.Log().
Str("foo", "bar").
Dur("dur", d).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","dur":10000,"message":"hello world"}
}
func ExampleEvent_Durs() {
d := []time.Duration{
time.Duration(10 * time.Second),
time.Duration(20 * time.Second),
}
dst := bytes.Buffer{}
log := New(&dst)
log.Log().
Str("foo", "bar").
Durs("durs", d).
Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","durs":[10000,20000],"message":"hello world"}
}
func ExampleContext_Dict() {
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Dict("dict", Dict().
Str("bar", "baz").
Int("n", 1),
).Logger()
log.Log().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","dict":{"bar":"baz","n":1},"message":"hello world"}
}
func ExampleContext_Array() {
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Array("array", Arr().
Str("baz").
Int(1),
).Logger()
log.Log().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","array":["baz",1],"message":"hello world"}
}
func ExampleContext_Array_object() {
// Users implements LogArrayMarshaler
u := Users{
User{"John", 35, time.Time{}},
User{"Bob", 55, time.Time{}},
}
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Array("users", u).
Logger()
log.Log().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","users":[{"name":"John","age":35,"created":"0001-01-01T00:00:00Z"},{"name":"Bob","age":55,"created":"0001-01-01T00:00:00Z"}],"message":"hello world"}
}
func ExampleContext_Object() {
// User implements LogObjectMarshaler
u := User{"John", 35, time.Time{}}
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Object("user", u).
Logger()
log.Log().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","user":{"name":"John","age":35,"created":"0001-01-01T00:00:00Z"},"message":"hello world"}
}
func ExampleContext_Interface() {
obj := struct {
Name string `json:"name"`
}{
Name: "john",
}
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Interface("obj", obj).
Logger()
log.Log().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","obj":{"name":"john"},"message":"hello world"}
}
func ExampleContext_Dur() {
d := time.Duration(10 * time.Second)
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Dur("dur", d).
Logger()
log.Log().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","dur":10000,"message":"hello world"}
}
func ExampleContext_Durs() {
d := []time.Duration{
time.Duration(10 * time.Second),
time.Duration(20 * time.Second),
}
dst := bytes.Buffer{}
log := New(&dst).With().
Str("foo", "bar").
Durs("durs", d).
Logger()
log.Log().Msg("hello world")
fmt.Println(decodeIfBinaryToString(dst.Bytes()))
// Output: {"foo":"bar","durs":[10000,20000],"message":"hello world"}
}