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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
import (
"errors"
"gopkg.in/check.v1"
)
// ErrorIs calls errors.Is with the provided arguments.
var ErrorIs = &errorIsChecker{
&check.CheckerInfo{Name: "ErrorIs", Params: []string{"error", "target"}},
}
type errorIsChecker struct {
*check.CheckerInfo
}
func (*errorIsChecker) Check(params []any, names []string) (result bool, errMsg string) {
if params[0] == nil {
return params[1] == nil, ""
}
err, ok := params[0].(error)
if !ok {
return false, "first argument must be an error"
}
target, ok := params[1].(error)
if !ok {
return false, "second argument must be an error"
}
return errors.Is(err, target), ""
}
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