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55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2022 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package testutil
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import (
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"errors"
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"fmt"
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"gopkg.in/check.v1"
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)
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// ErrorIs calls errors.Is with the provided arguments.
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var ErrorIs = &errorIsChecker{
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&check.CheckerInfo{Name: "ErrorIs", Params: []string{"error", "target"}},
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}
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type errorIsChecker struct {
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*check.CheckerInfo
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}
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func (*errorIsChecker) Check(params []interface{}, names []string) (result bool, errMsg string) {
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if params[0] == nil {
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return params[1] == nil, ""
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}
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err, ok := params[0].(error)
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if !ok {
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return false, fmt.Sprintf("first argument must be an error")
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}
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target, ok := params[1].(error)
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if !ok {
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return false, fmt.Sprintf("second argument must be an error")
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}
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return errors.Is(err, target), ""
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}
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