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errors: add FromError func (#1362)

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
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Василий Толстов 2020-03-18 03:10:38 +03:00 committed by GitHub
parent cd04111e3d
commit 41f8a8cb00
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2 changed files with 24 additions and 0 deletions
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10
errors/errors.go
View File

@ -116,6 +116,7 @@ func InternalServerError(id, format string, a ...interface{}) error {
} }
} }
// Equal tries to compare errors
func Equal(err1 error, err2 error) bool { func Equal(err1 error, err2 error) bool {
verr1, ok1 := err1.(*Error) verr1, ok1 := err1.(*Error)
verr2, ok2 := err2.(*Error) verr2, ok2 := err2.(*Error)
@ -134,3 +135,12 @@ func Equal(err1 error, err2 error) bool {
return true return true
} }
// FromError try to convert go error to *Error
func FromError(err error) *Error {
if verr, ok := err.(*Error); ok && verr != nil {
return verr
}
return Parse(err.Error())
}

14
errors/errors_test.go
View File

@ -6,6 +6,20 @@ import (
"testing" "testing"
) )
func TestFromError(t *testing.T) {
err := NotFound("go.micro.test", "%s", "example")
merr := FromError(err)
if merr.Id != "go.micro.test" || merr.Code != 404 {
t.Fatalf("invalid conversation %v != %v", err, merr)
}
err = er.New(err.Error())
merr = FromError(err)
if merr.Id != "go.micro.test" || merr.Code != 404 {
t.Fatalf("invalid conversation %v != %v", err, merr)
}
}
func TestEqual(t *testing.T) { func TestEqual(t *testing.T) {
err1 := NotFound("myid1", "msg1") err1 := NotFound("myid1", "msg1")
err2 := NotFound("myid2", "msg2") err2 := NotFound("myid2", "msg2")