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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2022 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package testutil_test
import (
"errors"
. "github.com/snapcore/snapd/testutil"
. "gopkg.in/check.v1"
)
type errorIsCheckerSuite struct{}
var _ = Suite(&errorIsCheckerSuite{})
type baseError struct{}
func (baseError) Error() string { return "" }
func (baseError) Is(err error) bool {
_, ok := err.(baseError)
return ok
}
type wrapperError struct {
err error
}
func (*wrapperError) Error() string { return "" }
func (e *wrapperError) Unwrap() error { return e.err }
func (*errorIsCheckerSuite) TestErrorIsCheckSucceeds(c *C) {
testInfo(c, ErrorIs, "ErrorIs", []string{"error", "target"})
c.Assert(baseError{}, ErrorIs, baseError{})
err := &wrapperError{err: baseError{}}
c.Assert(err, ErrorIs, baseError{})
}
func (*errorIsCheckerSuite) TestErrorIsCheckFails(c *C) {
c.Assert(nil, Not(ErrorIs), baseError{})
c.Assert(errors.New(""), Not(ErrorIs), baseError{})
}
func (*errorIsCheckerSuite) TestErrorIsWithInvalidArguments(c *C) {
res, errMsg := ErrorIs.Check([]any{"", errors.New("")}, []string{"error", "target"})
c.Assert(res, Equals, false)
c.Assert(errMsg, Equals, "first argument must be an error")
res, errMsg = ErrorIs.Check([]any{errors.New(""), ""}, []string{"error", "target"})
c.Assert(res, Equals, false)
c.Assert(errMsg, Equals, "second argument must be an error")
}
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