dtls/errors_test.go

84 строки
2.0 KiB
Go

package dtls
import (
"errors"
"fmt"
"net"
"testing"
)
var errExample = errors.New("an example error")
func TestErrorUnwrap(t *testing.T) {
cases := []struct {
err error
errUnwrapped []error
}{
{
&FatalError{Err: errExample},
[]error{errExample},
},
{
&TemporaryError{Err: errExample},
[]error{errExample},
},
{
&InternalError{Err: errExample},
[]error{errExample},
},
{
&TimeoutError{Err: errExample},
[]error{errExample},
},
{
&HandshakeError{Err: errExample},
[]error{errExample},
},
}
for _, c := range cases {
c := c
t.Run(fmt.Sprintf("%T", c.err), func(t *testing.T) {
err := c.err
for _, unwrapped := range c.errUnwrapped {
e := errors.Unwrap(err)
if !errors.Is(e, unwrapped) {
t.Errorf("Unwrapped error is expected to be '%v', got '%v'", unwrapped, e)
}
}
})
}
}
func TestErrorNetError(t *testing.T) {
cases := []struct {
err error
str string
timeout, temporary bool
}{
{&FatalError{Err: errExample}, "dtls fatal: an example error", false, false},
{&TemporaryError{Err: errExample}, "dtls temporary: an example error", false, true},
{&InternalError{Err: errExample}, "dtls internal: an example error", false, false},
{&TimeoutError{Err: errExample}, "dtls timeout: an example error", true, true},
{&HandshakeError{Err: errExample}, "handshake error: an example error", false, false},
{&HandshakeError{Err: &TimeoutError{Err: errExample}}, "handshake error: dtls timeout: an example error", true, true},
}
for _, c := range cases {
c := c
t.Run(fmt.Sprintf("%T", c.err), func(t *testing.T) {
var ne net.Error
if !errors.As(c.err, &ne) {
t.Fatalf("%T doesn't implement net.Error", c.err)
}
if ne.Timeout() != c.timeout {
t.Errorf("%T.Timeout() should be %v", c.err, c.timeout)
}
if ne.Temporary() != c.temporary { //nolint:staticcheck
t.Errorf("%T.Temporary() should be %v", c.err, c.temporary)
}
if ne.Error() != c.str {
t.Errorf("%T.Error() should be %v", c.err, c.str)
}
})
}
}