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array_test.go
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array_test.go
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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package zap
import (
"errors"
"fmt"
"testing"
"time"
"go.uber.org/zap/zapcore"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func BenchmarkBoolsArrayMarshaler(b *testing.B) {
// Keep this benchmark here to capture the overhead of the ArrayMarshaler
// wrapper.
bs := make([]bool, 50)
enc := zapcore.NewJSONEncoder(zapcore.EncoderConfig{})
b.ResetTimer()
for i := 0; i < b.N; i++ {
Bools("array", bs).AddTo(enc.Clone())
}
}
func BenchmarkBoolsReflect(b *testing.B) {
bs := make([]bool, 50)
enc := zapcore.NewJSONEncoder(zapcore.EncoderConfig{})
b.ResetTimer()
for i := 0; i < b.N; i++ {
Reflect("array", bs).AddTo(enc.Clone())
}
}
func TestArrayWrappers(t *testing.T) {
tests := []struct {
desc string
field Field
expected []interface{}
}{
{"empty bools", Bools("", []bool{}), []interface{}{}},
{"empty byte strings", ByteStrings("", [][]byte{}), []interface{}{}},
{"empty complex128s", Complex128s("", []complex128{}), []interface{}{}},
{"empty complex64s", Complex64s("", []complex64{}), []interface{}{}},
{"empty durations", Durations("", []time.Duration{}), []interface{}{}},
{"empty float64s", Float64s("", []float64{}), []interface{}{}},
{"empty float32s", Float32s("", []float32{}), []interface{}{}},
{"empty ints", Ints("", []int{}), []interface{}{}},
{"empty int64s", Int64s("", []int64{}), []interface{}{}},
{"empty int32s", Int32s("", []int32{}), []interface{}{}},
{"empty int16s", Int16s("", []int16{}), []interface{}{}},
{"empty int8s", Int8s("", []int8{}), []interface{}{}},
{"empty strings", Strings("", []string{}), []interface{}{}},
{"empty times", Times("", []time.Time{}), []interface{}{}},
{"empty uints", Uints("", []uint{}), []interface{}{}},
{"empty uint64s", Uint64s("", []uint64{}), []interface{}{}},
{"empty uint32s", Uint32s("", []uint32{}), []interface{}{}},
{"empty uint16s", Uint16s("", []uint16{}), []interface{}{}},
{"empty uint8s", Uint8s("", []uint8{}), []interface{}{}},
{"empty uintptrs", Uintptrs("", []uintptr{}), []interface{}{}},
{"bools", Bools("", []bool{true, false}), []interface{}{true, false}},
{"byte strings", ByteStrings("", [][]byte{{1, 2}, {3, 4}}), []interface{}{"\x01\x02", "\x03\x04"}},
{"complex128s", Complex128s("", []complex128{1 + 2i, 3 + 4i}), []interface{}{1 + 2i, 3 + 4i}},
{"complex64s", Complex64s("", []complex64{1 + 2i, 3 + 4i}), []interface{}{complex64(1 + 2i), complex64(3 + 4i)}},
{"durations", Durations("", []time.Duration{1, 2}), []interface{}{time.Nanosecond, 2 * time.Nanosecond}},
{"float64s", Float64s("", []float64{1.2, 3.4}), []interface{}{1.2, 3.4}},
{"float32s", Float32s("", []float32{1.2, 3.4}), []interface{}{float32(1.2), float32(3.4)}},
{"ints", Ints("", []int{1, 2}), []interface{}{1, 2}},
{"int64s", Int64s("", []int64{1, 2}), []interface{}{int64(1), int64(2)}},
{"int32s", Int32s("", []int32{1, 2}), []interface{}{int32(1), int32(2)}},
{"int16s", Int16s("", []int16{1, 2}), []interface{}{int16(1), int16(2)}},
{"int8s", Int8s("", []int8{1, 2}), []interface{}{int8(1), int8(2)}},
{"strings", Strings("", []string{"foo", "bar"}), []interface{}{"foo", "bar"}},
{"times", Times("", []time.Time{time.Unix(0, 0), time.Unix(0, 0)}), []interface{}{time.Unix(0, 0), time.Unix(0, 0)}},
{"uints", Uints("", []uint{1, 2}), []interface{}{uint(1), uint(2)}},
{"uint64s", Uint64s("", []uint64{1, 2}), []interface{}{uint64(1), uint64(2)}},
{"uint32s", Uint32s("", []uint32{1, 2}), []interface{}{uint32(1), uint32(2)}},
{"uint16s", Uint16s("", []uint16{1, 2}), []interface{}{uint16(1), uint16(2)}},
{"uint8s", Uint8s("", []uint8{1, 2}), []interface{}{uint8(1), uint8(2)}},
{"uintptrs", Uintptrs("", []uintptr{1, 2}), []interface{}{uintptr(1), uintptr(2)}},
}
for _, tt := range tests {
enc := zapcore.NewMapObjectEncoder()
tt.field.Key = "k"
tt.field.AddTo(enc)
assert.Equal(t, tt.expected, enc.Fields["k"], "%s: unexpected map contents.", tt.desc)
assert.Equal(t, 1, len(enc.Fields), "%s: found extra keys in map: %v", tt.desc, enc.Fields)
}
}
func TestObjectsAndObjectValues(t *testing.T) {
t.Parallel()
tests := []struct {
desc string
give Field
want []any
}{
{
desc: "Objects/nil slice",
give: Objects[*emptyObject]("", nil),
want: []any{},
},
{
desc: "ObjectValues/nil slice",
give: ObjectValues[emptyObject]("", nil),
want: []any{},
},
{
desc: "ObjectValues/empty slice",
give: ObjectValues("", []emptyObject{}),
want: []any{},
},
{
desc: "ObjectValues/single item",
give: ObjectValues("", []emptyObject{
{},
}),
want: []any{
map[string]any{},
},
},
{
desc: "Objects/multiple different objects",
give: Objects("", []*fakeObject{
{value: "foo"},
{value: "bar"},
{value: "baz"},
}),
want: []any{
map[string]any{"value": "foo"},
map[string]any{"value": "bar"},
map[string]any{"value": "baz"},
},
},
{
desc: "ObjectValues/multiple different objects",
give: ObjectValues("", []fakeObject{
{value: "foo"},
{value: "bar"},
{value: "baz"},
}),
want: []any{
map[string]any{"value": "foo"},
map[string]any{"value": "bar"},
map[string]any{"value": "baz"},
},
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.desc, func(t *testing.T) {
t.Parallel()
tt.give.Key = "k"
enc := zapcore.NewMapObjectEncoder()
tt.give.AddTo(enc)
assert.Equal(t, tt.want, enc.Fields["k"])
})
}
}
type emptyObject struct{}
func (*emptyObject) MarshalLogObject(zapcore.ObjectEncoder) error {
return nil
}
type fakeObject struct {
value string
err error // marshaling error, if any
}
func (o *fakeObject) MarshalLogObject(enc zapcore.ObjectEncoder) error {
enc.AddString("value", o.value)
return o.err
}
func TestObjectsAndObjectValues_marshalError(t *testing.T) {
t.Parallel()
tests := []struct {
desc string
give Field
want []any
wantErr string
}{
{
desc: "Objects",
give: Objects("", []*fakeObject{
{value: "foo"},
{value: "bar", err: errors.New("great sadness")},
{value: "baz"}, // does not get marshaled
}),
want: []any{
map[string]any{"value": "foo"},
map[string]any{"value": "bar"},
},
wantErr: "great sadness",
},
{
desc: "ObjectValues",
give: ObjectValues("", []fakeObject{
{value: "foo"},
{value: "bar", err: errors.New("stuff failed")},
{value: "baz"}, // does not get marshaled
}),
want: []any{
map[string]any{"value": "foo"},
map[string]any{"value": "bar"},
},
wantErr: "stuff failed",
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.desc, func(t *testing.T) {
t.Parallel()
tt.give.Key = "k"
enc := zapcore.NewMapObjectEncoder()
tt.give.AddTo(enc)
require.Contains(t, enc.Fields, "k")
assert.Equal(t, tt.want, enc.Fields["k"])
// AddTo puts the error in a "%vError" field based on the name of the
// original field.
require.Contains(t, enc.Fields, "kError")
assert.Equal(t, tt.wantErr, enc.Fields["kError"])
})
}
}
type stringerObject struct {
value string
}
func (s stringerObject) String() string {
return s.value
}
func TestStringers(t *testing.T) {
t.Parallel()
tests := []struct {
desc string
give Field
want []any
}{
{
desc: "Stringers",
give: Stringers("", []stringerObject{
{value: "foo"},
{value: "bar"},
{value: "baz"},
}),
want: []any{
"foo",
"bar",
"baz",
},
},
{
desc: "Stringers with []fmt.Stringer",
give: Stringers("", []fmt.Stringer{
stringerObject{value: "foo"},
stringerObject{value: "bar"},
stringerObject{value: "baz"},
}),
want: []any{
"foo",
"bar",
"baz",
},
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.desc, func(t *testing.T) {
t.Parallel()
tt.give.Key = "k"
enc := zapcore.NewMapObjectEncoder()
tt.give.AddTo(enc)
assert.Equal(t, tt.want, enc.Fields["k"])
})
}
}