mirror of
https://github.com/rclone/rclone.git
synced 2024-11-23 15:25:06 +08:00
91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
package errors_test
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
|
|
"github.com/ncw/rclone/lib/errors"
|
|
)
|
|
|
|
func TestWalk(t *testing.T) {
|
|
origin := errors.New("origin")
|
|
|
|
for _, test := range []struct {
|
|
err error
|
|
calls int
|
|
last error
|
|
}{
|
|
{causerError{nil}, 1, causerError{nil}},
|
|
{wrapperError{nil}, 1, wrapperError{nil}},
|
|
{reflectError{nil}, 1, reflectError{nil}},
|
|
{causerError{origin}, 2, origin},
|
|
{wrapperError{origin}, 2, origin},
|
|
{reflectError{origin}, 2, origin},
|
|
{causerError{reflectError{origin}}, 3, origin},
|
|
{wrapperError{causerError{origin}}, 3, origin},
|
|
{reflectError{wrapperError{origin}}, 3, origin},
|
|
{causerError{reflectError{causerError{origin}}}, 4, origin},
|
|
{wrapperError{causerError{wrapperError{origin}}}, 4, origin},
|
|
{reflectError{wrapperError{reflectError{origin}}}, 4, origin},
|
|
|
|
{stopError{nil}, 1, stopError{nil}},
|
|
{stopError{causerError{nil}}, 1, stopError{causerError{nil}}},
|
|
{stopError{wrapperError{nil}}, 1, stopError{wrapperError{nil}}},
|
|
{stopError{reflectError{nil}}, 1, stopError{reflectError{nil}}},
|
|
{causerError{stopError{origin}}, 2, stopError{origin}},
|
|
{wrapperError{stopError{origin}}, 2, stopError{origin}},
|
|
{reflectError{stopError{origin}}, 2, stopError{origin}},
|
|
{causerError{reflectError{stopError{nil}}}, 3, stopError{nil}},
|
|
{wrapperError{causerError{stopError{nil}}}, 3, stopError{nil}},
|
|
{reflectError{wrapperError{stopError{nil}}}, 3, stopError{nil}},
|
|
} {
|
|
var last error
|
|
calls := 0
|
|
errors.Walk(test.err, func(err error) bool {
|
|
calls++
|
|
last = err
|
|
_, stop := err.(stopError)
|
|
return stop
|
|
})
|
|
assert.Equal(t, test.calls, calls)
|
|
assert.Equal(t, test.last, last)
|
|
}
|
|
}
|
|
|
|
type causerError struct {
|
|
err error
|
|
}
|
|
type wrapperError struct {
|
|
err error
|
|
}
|
|
type reflectError struct {
|
|
Err error
|
|
}
|
|
type stopError struct {
|
|
err error
|
|
}
|
|
|
|
func (e causerError) Error() string {
|
|
return fmt.Sprintf("causerError(%s)", e.err)
|
|
}
|
|
func (e causerError) Cause() error {
|
|
return e.err
|
|
}
|
|
func (e wrapperError) Unwrap() error {
|
|
return e.err
|
|
}
|
|
func (e wrapperError) Error() string {
|
|
return fmt.Sprintf("wrapperError(%s)", e.err)
|
|
}
|
|
func (e reflectError) Error() string {
|
|
return fmt.Sprintf("reflectError(%s)", e.Err)
|
|
}
|
|
func (e stopError) Error() string {
|
|
return fmt.Sprintf("stopError(%s)", e.err)
|
|
}
|
|
func (e stopError) Cause() error {
|
|
return e.err
|
|
}
|