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wrapper_test.go
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/
wrapper_test.go
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package errors
import (
"errors"
"os"
"testing"
)
func TestWrapper(t *testing.T) {
SetWrapperOpt(WrapperOpt{
ProjectDir: "/Users/xvrzhao/Documents/projects/xvrzhao/",
ProjectModule: "github.com/xvrzhao/utils/",
})
f, err := os.Create("log.out")
if err != nil {
t.Errorf("failed to create file log.out: %s", err.Error())
return
}
SetLoggerWriter(f)
if err := handler(); err != nil {
Log(Wrapper(err, "invoke handler error"))
}
}
func handler() error {
m := new(UserModel)
_, err := m.GetUserByID(1)
if err != nil {
return Wrapper(err, "can not get user by id")
}
return nil
}
type UserModel struct{}
func (m UserModel) GetUserByID(int) (*UserModel, error) {
if err := errors.New("can not connect to db"); err != nil {
return nil, Wrapper(err, "query fail")
}
return &m, nil
}