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field_test.go
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field_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"
"net"
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
"go.uber.org/zap/zapcore"
)
type username string
func (n username) MarshalLogObject(enc zapcore.ObjectEncoder) error {
enc.AddString("username", string(n))
return nil
}
func assertCanBeReused(t testing.TB, field zapcore.Field) {
var wg sync.WaitGroup
for i := 0; i < 100; i++ {
enc := zapcore.NewMapObjectEncoder()
// Ensure using the field in multiple encoders in separate goroutines
// does not cause any races or panics.
wg.Add(1)
go func() {
defer wg.Done()
assert.NotPanics(t, func() {
field.AddTo(enc)
}, "Reusing a field should not cause issues")
}()
}
wg.Wait()
}
func TestFieldConstructors(t *testing.T) {
// Interface types.
fail := errors.New("fail")
addr := net.ParseIP("1.2.3.4")
name := username("phil")
ints := []int{5, 6}
tests := []struct {
name string
field zapcore.Field
expect zapcore.Field
}{
{"Skip", zapcore.Field{Type: zapcore.SkipType}, Skip()},
{"Binary", zapcore.Field{Key: "k", Type: zapcore.BinaryType, Interface: []byte("ab12")}, Binary("k", []byte("ab12"))},
{"Bool", zapcore.Field{Key: "k", Type: zapcore.BoolType, Integer: 1}, Bool("k", true)},
{"Bool", zapcore.Field{Key: "k", Type: zapcore.BoolType, Integer: 1}, Bool("k", true)},
{"ByteString", zapcore.Field{Key: "k", Type: zapcore.ByteStringType, Interface: []byte("ab12")}, ByteString("k", []byte("ab12"))},
{"Complex128", zapcore.Field{Key: "k", Type: zapcore.Complex128Type, Interface: 1 + 2i}, Complex128("k", 1+2i)},
{"Complex64", zapcore.Field{Key: "k", Type: zapcore.Complex64Type, Interface: complex64(1 + 2i)}, Complex64("k", 1+2i)},
{"Duration", zapcore.Field{Key: "k", Type: zapcore.DurationType, Integer: 1}, Duration("k", 1)},
{"Int", zapcore.Field{Key: "k", Type: zapcore.Int64Type, Integer: 1}, Int("k", 1)},
{"Int64", zapcore.Field{Key: "k", Type: zapcore.Int64Type, Integer: 1}, Int64("k", 1)},
{"Int32", zapcore.Field{Key: "k", Type: zapcore.Int32Type, Integer: 1}, Int32("k", 1)},
{"Int16", zapcore.Field{Key: "k", Type: zapcore.Int16Type, Integer: 1}, Int16("k", 1)},
{"Int8", zapcore.Field{Key: "k", Type: zapcore.Int8Type, Integer: 1}, Int8("k", 1)},
{"String", zapcore.Field{Key: "k", Type: zapcore.StringType, String: "foo"}, String("k", "foo")},
{"Time", zapcore.Field{Key: "k", Type: zapcore.TimeType, Integer: 0}, Time("k", time.Unix(0, 0))},
{"Time", zapcore.Field{Key: "k", Type: zapcore.TimeType, Integer: 1000}, Time("k", time.Unix(0, 1000))},
{"Uint", zapcore.Field{Key: "k", Type: zapcore.Uint64Type, Integer: 1}, Uint("k", 1)},
{"Uint64", zapcore.Field{Key: "k", Type: zapcore.Uint64Type, Integer: 1}, Uint64("k", 1)},
{"Uint32", zapcore.Field{Key: "k", Type: zapcore.Uint32Type, Integer: 1}, Uint32("k", 1)},
{"Uint16", zapcore.Field{Key: "k", Type: zapcore.Uint16Type, Integer: 1}, Uint16("k", 1)},
{"Uint8", zapcore.Field{Key: "k", Type: zapcore.Uint8Type, Integer: 1}, Uint8("k", 1)},
{"Uintptr", zapcore.Field{Key: "k", Type: zapcore.UintptrType, Integer: 10}, Uintptr("k", 0xa)},
{"Reflect", zapcore.Field{Key: "k", Type: zapcore.ReflectType, Interface: ints}, Reflect("k", ints)},
{"Error", Skip(), Error(nil)},
{"Error", zapcore.Field{Key: "error", Type: zapcore.ErrorType, Interface: fail}, Error(fail)},
{"NamedError", Skip(), NamedError("foo", nil)},
{"NamedError", zapcore.Field{Key: "foo", Type: zapcore.ErrorType, Interface: fail}, NamedError("foo", fail)},
{"Stringer", zapcore.Field{Key: "k", Type: zapcore.StringerType, Interface: addr}, Stringer("k", addr)},
{"Object", zapcore.Field{Key: "k", Type: zapcore.ObjectMarshalerType, Interface: name}, Object("k", name)},
{"Any:ObjectMarshaler", Any("k", name), Object("k", name)},
{"Any:ArrayMarshaler", Any("k", bools([]bool{true})), Array("k", bools([]bool{true}))},
{"Any:Stringer", Any("k", addr), Stringer("k", addr)},
{"Any:Error", Any("k", errors.New("v")), NamedError("k", errors.New("v"))},
{"Any:Errors", Any("k", []error{errors.New("v")}), Errors("k", []error{errors.New("v")})},
{"Any:Bool", Any("k", true), Bool("k", true)},
{"Any:Bools", Any("k", []bool{true}), Bools("k", []bool{true})},
{"Any:Byte", Any("k", byte(1)), Uint8("k", 1)},
{"Any:Bytes", Any("k", []byte{1}), Binary("k", []byte{1})},
{"Any:Complex128", Any("k", 1+2i), Complex128("k", 1+2i)},
{"Any:Complex128s", Any("k", []complex128{1 + 2i}), Complex128s("k", []complex128{1 + 2i})},
{"Any:Complex64", Any("k", complex64(1+2i)), Complex64("k", 1+2i)},
{"Any:Complex64s", Any("k", []complex64{1 + 2i}), Complex64s("k", []complex64{1 + 2i})},
{"Any:Float64", Any("k", 3.14), Float64("k", 3.14)},
{"Any:Float64s", Any("k", []float64{3.14}), Float64s("k", []float64{3.14})},
{"Any:Float32", Any("k", float32(3.14)), Float32("k", 3.14)},
{"Any:Float32s", Any("k", []float32{3.14}), Float32s("k", []float32{3.14})},
{"Any:Int", Any("k", 1), Int("k", 1)},
{"Any:Ints", Any("k", []int{1}), Ints("k", []int{1})},
{"Any:Int64", Any("k", int64(1)), Int64("k", 1)},
{"Any:Int64s", Any("k", []int64{1}), Int64s("k", []int64{1})},
{"Any:Int32", Any("k", int32(1)), Int32("k", 1)},
{"Any:Int32s", Any("k", []int32{1}), Int32s("k", []int32{1})},
{"Any:Int16", Any("k", int16(1)), Int16("k", 1)},
{"Any:Int16s", Any("k", []int16{1}), Int16s("k", []int16{1})},
{"Any:Int8", Any("k", int8(1)), Int8("k", 1)},
{"Any:Int8s", Any("k", []int8{1}), Int8s("k", []int8{1})},
{"Any:Rune", Any("k", rune(1)), Int32("k", 1)},
{"Any:Runes", Any("k", []rune{1}), Int32s("k", []int32{1})},
{"Any:String", Any("k", "v"), String("k", "v")},
{"Any:Strings", Any("k", []string{"v"}), Strings("k", []string{"v"})},
{"Any:Uint", Any("k", uint(1)), Uint("k", 1)},
{"Any:Uints", Any("k", []uint{1}), Uints("k", []uint{1})},
{"Any:Uint64", Any("k", uint64(1)), Uint64("k", 1)},
{"Any:Uint64s", Any("k", []uint64{1}), Uint64s("k", []uint64{1})},
{"Any:Uint32", Any("k", uint32(1)), Uint32("k", 1)},
{"Any:Uint32s", Any("k", []uint32{1}), Uint32s("k", []uint32{1})},
{"Any:Uint16", Any("k", uint16(1)), Uint16("k", 1)},
{"Any:Uint16s", Any("k", []uint16{1}), Uint16s("k", []uint16{1})},
{"Any:Uint8", Any("k", uint8(1)), Uint8("k", 1)},
{"Any:Uint8s", Any("k", []uint8{1}), Binary("k", []uint8{1})},
{"Any:Uintptr", Any("k", uintptr(1)), Uintptr("k", 1)},
{"Any:Uintptrs", Any("k", []uintptr{1}), Uintptrs("k", []uintptr{1})},
{"Any:Time", Any("k", time.Unix(0, 0)), Time("k", time.Unix(0, 0))},
{"Any:Times", Any("k", []time.Time{time.Unix(0, 0)}), Times("k", []time.Time{time.Unix(0, 0)})},
{"Any:Duration", Any("k", time.Second), Duration("k", time.Second)},
{"Any:Durations", Any("k", []time.Duration{time.Second}), Durations("k", []time.Duration{time.Second})},
{"Any:Fallback", Any("k", struct{}{}), Reflect("k", struct{}{})},
{"Namespace", Namespace("k"), zapcore.Field{Key: "k", Type: zapcore.NamespaceType}},
}
for _, tt := range tests {
if !assert.Equal(t, tt.expect, tt.field, "Unexpected output from convenience field constructor %s.", tt.name) {
t.Logf("type expected: %T\nGot: %T", tt.expect.Interface, tt.field.Interface)
}
assertCanBeReused(t, tt.field)
}
}
func TestStackField(t *testing.T) {
f := Stack("stacktrace")
assert.Equal(t, "stacktrace", f.Key, "Unexpected field key.")
assert.Equal(t, zapcore.StringType, f.Type, "Unexpected field type.")
assert.Contains(t, f.String, "zap.TestStackField", "Expected stacktrace to contain caller.")
assertCanBeReused(t, f)
}