zlog/event_test.go

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// +build !binary_log
package zerolog
import (
"bytes"
"errors"
"strings"
"testing"
)
type nilError struct{}
func (nilError) Error() string {
return ""
}
func TestEvent_AnErr(t *testing.T) {
tests := []struct {
name string
err error
want string
}{
{"nil", nil, `{}`},
{"error", errors.New("test"), `{"err":"test"}`},
{"nil interface", func() *nilError { return nil }(), `{}`},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var buf bytes.Buffer
e := newEvent(levelWriterAdapter{&buf}, DebugLevel)
e.AnErr("err", tt.err)
_ = e.write()
if got, want := strings.TrimSpace(buf.String()), tt.want; got != want {
t.Errorf("Event.AnErr() = %v, want %v", got, want)
}
})
}
}
func TestEvent_ObjectWithNil(t *testing.T) {
var buf bytes.Buffer
e := newEvent(levelWriterAdapter{&buf}, DebugLevel)
_ = e.Object("obj", nil)
_ = e.write()
want := `{"obj":null}`
got := strings.TrimSpace(buf.String())
if got != want {
t.Errorf("Event.Object() = %q, want %q", got, want)
}
}
func TestEvent_EmbedObjectWithNil(t *testing.T) {
var buf bytes.Buffer
e := newEvent(levelWriterAdapter{&buf}, DebugLevel)
_ = e.EmbedObject(nil)
_ = e.write()
want := "{}"
got := strings.TrimSpace(buf.String())
if got != want {
t.Errorf("Event.EmbedObject() = %q, want %q", got, want)
}
}