354 lines
6.9 KiB
Go
354 lines
6.9 KiB
Go
package zerolog_test
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import (
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"errors"
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stdlog "log"
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"os"
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"time"
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"github.com/rs/zerolog"
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)
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func ExampleNew() {
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log := zerolog.New(os.Stdout)
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log.Info().Msg("hello world")
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// Output: {"level":"info","message":"hello world"}
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}
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func ExampleLogger_With() {
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log := zerolog.New(os.Stdout).
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With().
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Str("foo", "bar").
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Logger()
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log.Info().Msg("hello world")
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// Output: {"level":"info","foo":"bar","message":"hello world"}
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}
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func ExampleLogger_Level() {
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log := zerolog.New(os.Stdout).Level(zerolog.WarnLevel)
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log.Info().Msg("filtered out message")
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log.Error().Msg("kept message")
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// Output: {"level":"error","message":"kept message"}
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}
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func ExampleLogger_Sample() {
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log := zerolog.New(os.Stdout).Sample(2)
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log.Info().Msg("message 1")
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log.Info().Msg("message 2")
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log.Info().Msg("message 3")
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log.Info().Msg("message 4")
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// Output: {"level":"info","sample":2,"message":"message 2"}
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// {"level":"info","sample":2,"message":"message 4"}
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}
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func ExampleLogger_Debug() {
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log := zerolog.New(os.Stdout)
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log.Debug().
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Str("foo", "bar").
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Int("n", 123).
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Msg("hello world")
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// Output: {"level":"debug","foo":"bar","n":123,"message":"hello world"}
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}
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func ExampleLogger_Info() {
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log := zerolog.New(os.Stdout)
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log.Info().
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Str("foo", "bar").
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Int("n", 123).
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Msg("hello world")
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// Output: {"level":"info","foo":"bar","n":123,"message":"hello world"}
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}
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func ExampleLogger_Warn() {
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log := zerolog.New(os.Stdout)
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log.Warn().
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Str("foo", "bar").
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Msg("a warning message")
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// Output: {"level":"warn","foo":"bar","message":"a warning message"}
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}
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func ExampleLogger_Error() {
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log := zerolog.New(os.Stdout)
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log.Error().
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Err(errors.New("some error")).
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Msg("error doing something")
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// Output: {"level":"error","error":"some error","message":"error doing something"}
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}
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func ExampleLogger_WithLevel() {
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log := zerolog.New(os.Stdout)
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log.WithLevel(zerolog.InfoLevel).
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Msg("hello world")
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// Output: {"level":"info","message":"hello world"}
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}
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func ExampleLogger_Write() {
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Logger()
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stdlog.SetFlags(0)
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stdlog.SetOutput(log)
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stdlog.Print("hello world")
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// Output: {"foo":"bar","message":"hello world"}
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}
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func ExampleLogger_Log() {
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log := zerolog.New(os.Stdout)
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log.Log().
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Str("foo", "bar").
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Str("bar", "baz").
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Msg("")
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// Output: {"foo":"bar","bar":"baz"}
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}
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func ExampleEvent_Dict() {
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log := zerolog.New(os.Stdout)
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log.Log().
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Str("foo", "bar").
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Dict("dict", zerolog.Dict().
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Str("bar", "baz").
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Int("n", 1),
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).
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Msg("hello world")
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// Output: {"foo":"bar","dict":{"bar":"baz","n":1},"message":"hello world"}
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}
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type User struct {
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Name string
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Age int
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Created time.Time
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}
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func (u User) MarshalZerologObject(e *zerolog.Event) {
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e.Str("name", u.Name).
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Int("age", u.Age).
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Time("created", u.Created)
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}
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type Users []User
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func (uu Users) MarshalZerologArray(a *zerolog.Array) {
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for _, u := range uu {
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a.Object(u)
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}
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}
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func ExampleEvent_Array() {
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log := zerolog.New(os.Stdout)
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log.Log().
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Str("foo", "bar").
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Array("array", zerolog.Arr().
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Str("baz").
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Int(1),
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).
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Msg("hello world")
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// Output: {"foo":"bar","array":["baz",1],"message":"hello world"}
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}
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func ExampleEvent_Array_object() {
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log := zerolog.New(os.Stdout)
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// Users implements zerolog.LogArrayMarshaler
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u := Users{
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User{"John", 35, time.Time{}},
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User{"Bob", 55, time.Time{}},
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}
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log.Log().
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Str("foo", "bar").
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Array("users", u).
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Msg("hello world")
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// 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"}
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}
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func ExampleEvent_Object() {
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log := zerolog.New(os.Stdout)
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// User implements zerolog.LogObjectMarshaler
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u := User{"John", 35, time.Time{}}
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log.Log().
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Str("foo", "bar").
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Object("user", u).
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Msg("hello world")
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// Output: {"foo":"bar","user":{"name":"John","age":35,"created":"0001-01-01T00:00:00Z"},"message":"hello world"}
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}
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func ExampleEvent_Interface() {
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log := zerolog.New(os.Stdout)
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obj := struct {
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Name string `json:"name"`
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}{
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Name: "john",
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}
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log.Log().
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Str("foo", "bar").
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Interface("obj", obj).
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Msg("hello world")
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// Output: {"foo":"bar","obj":{"name":"john"},"message":"hello world"}
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}
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func ExampleEvent_Dur() {
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d := time.Duration(10 * time.Second)
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log := zerolog.New(os.Stdout)
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log.Log().
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Str("foo", "bar").
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Dur("dur", d).
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Msg("hello world")
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// Output: {"foo":"bar","dur":10000,"message":"hello world"}
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}
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func ExampleEvent_Durs() {
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d := []time.Duration{
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time.Duration(10 * time.Second),
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time.Duration(20 * time.Second),
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}
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log := zerolog.New(os.Stdout)
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log.Log().
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Str("foo", "bar").
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Durs("durs", d).
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Msg("hello world")
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// Output: {"foo":"bar","durs":[10000,20000],"message":"hello world"}
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}
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func ExampleContext_Dict() {
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Dict("dict", zerolog.Dict().
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Str("bar", "baz").
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Int("n", 1),
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).Logger()
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log.Log().Msg("hello world")
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// Output: {"foo":"bar","dict":{"bar":"baz","n":1},"message":"hello world"}
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}
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func ExampleContext_Array() {
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Array("array", zerolog.Arr().
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Str("baz").
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Int(1),
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).Logger()
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log.Log().Msg("hello world")
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// Output: {"foo":"bar","array":["baz",1],"message":"hello world"}
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}
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func ExampleContext_Array_object() {
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// Users implements zerolog.LogArrayMarshaler
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u := Users{
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User{"John", 35, time.Time{}},
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User{"Bob", 55, time.Time{}},
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}
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Array("users", u).
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Logger()
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log.Log().Msg("hello world")
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// 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"}
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}
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func ExampleContext_Object() {
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// User implements zerolog.LogObjectMarshaler
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u := User{"John", 35, time.Time{}}
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Object("user", u).
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Logger()
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log.Log().Msg("hello world")
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// Output: {"foo":"bar","user":{"name":"John","age":35,"created":"0001-01-01T00:00:00Z"},"message":"hello world"}
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}
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func ExampleContext_Interface() {
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obj := struct {
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Name string `json:"name"`
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}{
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Name: "john",
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}
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Interface("obj", obj).
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Logger()
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log.Log().Msg("hello world")
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// Output: {"foo":"bar","obj":{"name":"john"},"message":"hello world"}
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}
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func ExampleContext_Dur() {
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d := time.Duration(10 * time.Second)
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Dur("dur", d).
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Logger()
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log.Log().Msg("hello world")
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// Output: {"foo":"bar","dur":10000,"message":"hello world"}
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}
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func ExampleContext_Durs() {
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d := []time.Duration{
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time.Duration(10 * time.Second),
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time.Duration(20 * time.Second),
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}
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log := zerolog.New(os.Stdout).With().
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Str("foo", "bar").
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Durs("durs", d).
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Logger()
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log.Log().Msg("hello world")
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// Output: {"foo":"bar","durs":[10000,20000],"message":"hello world"}
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}
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