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122 lines
2.7 KiB
Go
122 lines
2.7 KiB
Go
package logx
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import (
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"bytes"
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"context"
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"encoding/json"
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"strconv"
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"sync"
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"sync/atomic"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestAddGlobalFields(t *testing.T) {
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var buf bytes.Buffer
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writer := NewWriter(&buf)
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old := Reset()
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SetWriter(writer)
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defer SetWriter(old)
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Info("hello")
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buf.Reset()
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AddGlobalFields(Field("a", "1"), Field("b", "2"))
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AddGlobalFields(Field("c", "3"))
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Info("world")
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var m map[string]interface{}
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assert.NoError(t, json.Unmarshal(buf.Bytes(), &m))
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assert.Equal(t, "1", m["a"])
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assert.Equal(t, "2", m["b"])
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assert.Equal(t, "3", m["c"])
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}
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func TestContextWithFields(t *testing.T) {
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ctx := ContextWithFields(context.Background(), Field("a", 1), Field("b", 2))
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vals := ctx.Value(fieldsContextKey)
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assert.NotNil(t, vals)
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fields, ok := vals.([]LogField)
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assert.True(t, ok)
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assert.EqualValues(t, []LogField{Field("a", 1), Field("b", 2)}, fields)
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}
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func TestWithFields(t *testing.T) {
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ctx := WithFields(context.Background(), Field("a", 1), Field("b", 2))
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vals := ctx.Value(fieldsContextKey)
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assert.NotNil(t, vals)
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fields, ok := vals.([]LogField)
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assert.True(t, ok)
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assert.EqualValues(t, []LogField{Field("a", 1), Field("b", 2)}, fields)
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}
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func TestWithFieldsAppend(t *testing.T) {
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var dummyKey struct{}
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ctx := context.WithValue(context.Background(), dummyKey, "dummy")
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ctx = ContextWithFields(ctx, Field("a", 1), Field("b", 2))
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ctx = ContextWithFields(ctx, Field("c", 3), Field("d", 4))
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vals := ctx.Value(fieldsContextKey)
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assert.NotNil(t, vals)
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fields, ok := vals.([]LogField)
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assert.True(t, ok)
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assert.Equal(t, "dummy", ctx.Value(dummyKey))
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assert.EqualValues(t, []LogField{
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Field("a", 1),
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Field("b", 2),
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Field("c", 3),
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Field("d", 4),
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}, fields)
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}
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func TestWithFieldsAppendCopy(t *testing.T) {
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const count = 10
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ctx := context.Background()
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for i := 0; i < count; i++ {
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ctx = ContextWithFields(ctx, Field(strconv.Itoa(i), 1))
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}
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af := Field("foo", 1)
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bf := Field("bar", 2)
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ctxa := ContextWithFields(ctx, af)
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ctxb := ContextWithFields(ctx, bf)
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assert.EqualValues(t, af, ctxa.Value(fieldsContextKey).([]LogField)[count])
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assert.EqualValues(t, bf, ctxb.Value(fieldsContextKey).([]LogField)[count])
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}
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func BenchmarkAtomicValue(b *testing.B) {
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b.ReportAllocs()
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var container atomic.Value
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vals := []LogField{
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Field("a", "b"),
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Field("c", "d"),
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Field("e", "f"),
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}
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container.Store(&vals)
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for i := 0; i < b.N; i++ {
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val := container.Load()
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if val != nil {
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_ = *val.(*[]LogField)
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}
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}
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}
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func BenchmarkRWMutex(b *testing.B) {
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b.ReportAllocs()
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var lock sync.RWMutex
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vals := []LogField{
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Field("a", "b"),
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Field("c", "d"),
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Field("e", "f"),
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}
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for i := 0; i < b.N; i++ {
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lock.RLock()
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_ = vals
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lock.RUnlock()
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}
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}
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