327 lines
9.0 KiB
Go
327 lines
9.0 KiB
Go
package zerolog
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import (
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"bytes"
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"errors"
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"reflect"
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"testing"
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"time"
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)
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func TestLog(t *testing.T) {
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t.Run("empty", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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log.Log().Msg("")
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if got, want := out.String(), "{}\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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t.Run("one-field", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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log.Log().Str("foo", "bar").Msg("")
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if got, want := out.String(), `{"foo":"bar"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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t.Run("two-field", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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log.Log().
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Str("foo", "bar").
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Int("n", 123).
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Msg("")
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if got, want := out.String(), `{"foo":"bar","n":123}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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}
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func TestInfo(t *testing.T) {
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t.Run("empty", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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log.Info().Msg("")
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if got, want := out.String(), `{"level":"info"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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t.Run("one-field", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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log.Info().Str("foo", "bar").Msg("")
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if got, want := out.String(), `{"level":"info","foo":"bar"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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t.Run("two-field", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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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("")
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if got, want := out.String(), `{"level":"info","foo":"bar","n":123}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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}
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func TestWith(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out).With().
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Str("foo", "bar").
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AnErr("some_err", nil).
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Err(errors.New("some error")).
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Bool("bool", true).
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Int("int", 1).
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Int8("int8", 2).
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Int16("int16", 3).
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Int32("int32", 4).
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Int64("int64", 5).
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Uint("uint", 6).
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Uint8("uint8", 7).
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Uint16("uint16", 8).
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Uint32("uint32", 9).
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Uint64("uint64", 10).
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Float32("float32", 11).
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Float64("float64", 12).
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Time("time", time.Time{}).
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Logger()
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log.Log().Msg("")
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if got, want := out.String(), `{"foo":"bar","error":"some error","bool":true,"int":1,"int8":2,"int16":3,"int32":4,"int64":5,"uint":6,"uint8":7,"uint16":8,"uint32":9,"uint64":10,"float32":11,"float64":12,"time":"0001-01-01T00:00:00Z"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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func TestFieldsMap(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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log.Log().Fields(map[string]interface{}{
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"nil": nil,
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"string": "foo",
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"bytes": []byte("bar"),
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"error": errors.New("some error"),
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"bool": true,
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"int": int(1),
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"int8": int8(2),
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"int16": int16(3),
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"int32": int32(4),
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"int64": int64(5),
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"uint": uint(6),
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"uint8": uint8(7),
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"uint16": uint16(8),
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"uint32": uint32(9),
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"uint64": uint64(10),
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"float32": float32(11),
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"float64": float64(12),
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"dur": 1 * time.Second,
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"time": time.Time{},
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}).Msg("")
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if got, want := out.String(), `{"bool":true,"bytes":"bar","dur":1000,"error":"some error","float32":11,"float64":12,"int":1,"int16":3,"int32":4,"int64":5,"int8":2,"nil":null,"string":"foo","time":"0001-01-01T00:00:00Z","uint":6,"uint16":8,"uint32":9,"uint64":10,"uint8":7}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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func TestFields(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out)
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now := time.Now()
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log.Log().
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Str("string", "foo").
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Bytes("bytes", []byte("bar")).
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AnErr("some_err", nil).
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Err(errors.New("some error")).
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Bool("bool", true).
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Int("int", 1).
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Int8("int8", 2).
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Int16("int16", 3).
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Int32("int32", 4).
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Int64("int64", 5).
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Uint("uint", 6).
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Uint8("uint8", 7).
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Uint16("uint16", 8).
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Uint32("uint32", 9).
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Uint64("uint64", 10).
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Float32("float32", 11).
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Float64("float64", 12).
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Dur("dur", 1*time.Second).
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Time("time", time.Time{}).
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TimeDiff("diff", now, now.Add(-10*time.Second)).
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Msg("")
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if got, want := out.String(), `{"string":"foo","bytes":"bar","error":"some error","bool":true,"int":1,"int8":2,"int16":3,"int32":4,"int64":5,"uint":6,"uint8":7,"uint16":8,"uint32":9,"uint64":10,"float32":11,"float64":12,"dur":1000,"time":"0001-01-01T00:00:00Z","diff":10000}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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func TestFieldsDisabled(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out).Level(InfoLevel)
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now := time.Now()
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log.Debug().
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Str("string", "foo").
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Bytes("bytes", []byte("bar")).
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AnErr("some_err", nil).
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Err(errors.New("some error")).
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Bool("bool", true).
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Int("int", 1).
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Int8("int8", 2).
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Int16("int16", 3).
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Int32("int32", 4).
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Int64("int64", 5).
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Uint("uint", 6).
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Uint8("uint8", 7).
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Uint16("uint16", 8).
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Uint32("uint32", 9).
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Uint64("uint64", 10).
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Float32("float32", 11).
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Float64("float64", 12).
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Dur("dur", 1*time.Second).
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Time("time", time.Time{}).
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TimeDiff("diff", now, now.Add(-10*time.Second)).
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Msg("")
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if got, want := out.String(), ""; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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func TestMsgf(t *testing.T) {
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out := &bytes.Buffer{}
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New(out).Log().Msgf("one %s %.1f %d %v", "two", 3.4, 5, errors.New("six"))
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if got, want := out.String(), `{"message":"one two 3.4 5 six"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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func TestWithAndFieldsCombined(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out).With().Str("f1", "val").Str("f2", "val").Logger()
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log.Log().Str("f3", "val").Msg("")
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if got, want := out.String(), `{"f1":"val","f2":"val","f3":"val"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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func TestLevel(t *testing.T) {
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t.Run("Disabled", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out).Level(Disabled)
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log.Info().Msg("test")
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if got, want := out.String(), ""; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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t.Run("Info", func(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out).Level(InfoLevel)
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log.Info().Msg("test")
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if got, want := out.String(), `{"level":"info","message":"test"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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})
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}
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func TestSampling(t *testing.T) {
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out := &bytes.Buffer{}
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log := New(out).Sample(2)
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log.Log().Int("i", 1).Msg("")
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log.Log().Int("i", 2).Msg("")
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log.Log().Int("i", 3).Msg("")
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log.Log().Int("i", 4).Msg("")
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if got, want := out.String(), "{\"sample\":2,\"i\":2}\n{\"sample\":2,\"i\":4}\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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type levelWriter struct {
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ops []struct {
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l Level
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p string
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}
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}
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func (lw *levelWriter) Write(p []byte) (int, error) {
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return len(p), nil
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}
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func (lw *levelWriter) WriteLevel(lvl Level, p []byte) (int, error) {
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lw.ops = append(lw.ops, struct {
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l Level
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p string
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}{lvl, string(p)})
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return len(p), nil
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}
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func TestLevelWriter(t *testing.T) {
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lw := &levelWriter{
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ops: []struct {
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l Level
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p string
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}{},
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}
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log := New(lw)
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log.Debug().Msg("1")
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log.Info().Msg("2")
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log.Warn().Msg("3")
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log.Error().Msg("4")
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log.WithLevel(DebugLevel).Msg("5")
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log.WithLevel(InfoLevel).Msg("6")
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log.WithLevel(WarnLevel).Msg("7")
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log.WithLevel(ErrorLevel).Msg("8")
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want := []struct {
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l Level
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p string
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}{
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{DebugLevel, `{"level":"debug","message":"1"}` + "\n"},
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{InfoLevel, `{"level":"info","message":"2"}` + "\n"},
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{WarnLevel, `{"level":"warn","message":"3"}` + "\n"},
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{ErrorLevel, `{"level":"error","message":"4"}` + "\n"},
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{DebugLevel, `{"level":"debug","message":"5"}` + "\n"},
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{InfoLevel, `{"level":"info","message":"6"}` + "\n"},
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{WarnLevel, `{"level":"warn","message":"7"}` + "\n"},
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{ErrorLevel, `{"level":"error","message":"8"}` + "\n"},
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}
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if got := lw.ops; !reflect.DeepEqual(got, want) {
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t.Errorf("invalid ops:\ngot:\n%v\nwant:\n%v", got, want)
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}
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}
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func TestContextTimestamp(t *testing.T) {
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TimestampFunc = func() time.Time {
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return time.Date(2001, time.February, 3, 4, 5, 6, 7, time.UTC)
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}
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defer func() {
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TimestampFunc = time.Now
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}()
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out := &bytes.Buffer{}
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log := New(out).With().Timestamp().Str("foo", "bar").Logger()
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log.Log().Msg("hello world")
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if got, want := out.String(), `{"time":"2001-02-03T04:05:06Z","foo":"bar","message":"hello world"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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func TestEventTimestamp(t *testing.T) {
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TimestampFunc = func() time.Time {
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return time.Date(2001, time.February, 3, 4, 5, 6, 7, time.UTC)
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}
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defer func() {
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TimestampFunc = time.Now
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}()
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out := &bytes.Buffer{}
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log := New(out).With().Str("foo", "bar").Logger()
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log.Log().Timestamp().Msg("hello world")
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if got, want := out.String(), `{"foo":"bar","time":"2001-02-03T04:05:06Z","message":"hello world"}`+"\n"; got != want {
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t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
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}
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}
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