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57d5de6fba
git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g' goimports -w `find . -name \*.go`
91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
package errors_test
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/rclone/rclone/lib/errors"
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)
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func TestWalk(t *testing.T) {
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origin := errors.New("origin")
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for _, test := range []struct {
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err error
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calls int
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last error
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}{
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{causerError{nil}, 1, causerError{nil}},
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{wrapperError{nil}, 1, wrapperError{nil}},
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{reflectError{nil}, 1, reflectError{nil}},
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{causerError{origin}, 2, origin},
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{wrapperError{origin}, 2, origin},
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{reflectError{origin}, 2, origin},
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{causerError{reflectError{origin}}, 3, origin},
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{wrapperError{causerError{origin}}, 3, origin},
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{reflectError{wrapperError{origin}}, 3, origin},
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{causerError{reflectError{causerError{origin}}}, 4, origin},
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{wrapperError{causerError{wrapperError{origin}}}, 4, origin},
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{reflectError{wrapperError{reflectError{origin}}}, 4, origin},
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{stopError{nil}, 1, stopError{nil}},
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{stopError{causerError{nil}}, 1, stopError{causerError{nil}}},
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{stopError{wrapperError{nil}}, 1, stopError{wrapperError{nil}}},
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{stopError{reflectError{nil}}, 1, stopError{reflectError{nil}}},
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{causerError{stopError{origin}}, 2, stopError{origin}},
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{wrapperError{stopError{origin}}, 2, stopError{origin}},
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{reflectError{stopError{origin}}, 2, stopError{origin}},
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{causerError{reflectError{stopError{nil}}}, 3, stopError{nil}},
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{wrapperError{causerError{stopError{nil}}}, 3, stopError{nil}},
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{reflectError{wrapperError{stopError{nil}}}, 3, stopError{nil}},
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} {
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var last error
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calls := 0
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errors.Walk(test.err, func(err error) bool {
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calls++
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last = err
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_, stop := err.(stopError)
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return stop
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})
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assert.Equal(t, test.calls, calls)
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assert.Equal(t, test.last, last)
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}
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}
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type causerError struct {
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err error
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}
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type wrapperError struct {
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err error
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}
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type reflectError struct {
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Err error
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}
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type stopError struct {
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err error
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}
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func (e causerError) Error() string {
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return fmt.Sprintf("causerError(%s)", e.err)
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}
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func (e causerError) Cause() error {
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return e.err
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}
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func (e wrapperError) Unwrap() error {
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return e.err
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}
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func (e wrapperError) Error() string {
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return fmt.Sprintf("wrapperError(%s)", e.err)
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}
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func (e reflectError) Error() string {
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return fmt.Sprintf("reflectError(%s)", e.Err)
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}
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func (e stopError) Error() string {
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return fmt.Sprintf("stopError(%s)", e.err)
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}
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func (e stopError) Cause() error {
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return e.err
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}
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