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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018 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 strutil_test
import (
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/strutil"
)
type commonPrefixSuite struct{}
var _ = Suite(&commonPrefixSuite{})
func (s *commonPrefixSuite) TestCommonPrefix(c *C) {
tt := []struct {
patterns []string
commonPrefix string
err string
}{
{
[]string{},
"",
"no patterns provided",
},
{
[]string{
"/one/single/pattern",
},
"/one/single/pattern",
"",
},
{
[]string{
"/pattern/n/one",
"/pattern/n/two",
},
"/pattern/n/",
"",
},
{
[]string{
"/one/",
"/one/two/",
},
"/one/",
"",
},
{
[]string{
"$ONE",
"/one/two/",
},
"",
"",
},
}
for _, t := range tt {
commonPrefix, err := strutil.FindCommonPrefix(t.patterns)
c.Assert(commonPrefix, Equals, t.commonPrefix)
if t.err != "" {
c.Assert(err, ErrorMatches, t.err)
}
}
}
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