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// This file is part of arduino-cli.
//
// Copyright 2022 ARDUINO SA (http://www.arduino.cc/)
//
// This software is released under the GNU General Public License version 3,
// which covers the main part of arduino-cli.
// The terms of this license can be found at:
// https://www.gnu.org/licenses/gpl-3.0.en.html
//
// You can be released from the requirements of the above licenses by purchasing
// a commercial license. Buying such a license is mandatory if you want to
// modify or otherwise use the software for commercial activities involving the
// Arduino software without disclosing the source code of your own applications.
// To purchase a commercial license, send an email to license@arduino.cc.
package integrationtest
import (
"sync"
"testing"
"github.com/arduino/go-paths-helper"
"github.com/rogpeppe/go-internal/lockedfile"
"github.com/stretchr/testify/require"
)
// SharedDir is a directory that is shared between multiple tests.
type SharedDir struct {
dir *paths.Path
t *testing.T
mux sync.Mutex
fileLock *lockedfile.File
}
// Lock locks the shared directory for exclusive access and return the path to the directory.
func (d *SharedDir) Lock() *paths.Path {
d.mux.Lock()
defer d.mux.Unlock()
if d.fileLock != nil {
panic("SharedDir already locked")
}
fileLock, err := lockedfile.Create(d.dir.Join(".lock").String())
require.NoError(d.t, err)
d.fileLock = fileLock
return d.dir
}
// Unlock unlocks the shared directory.
func (d *SharedDir) Unlock() {
d.mux.Lock()
defer d.mux.Unlock()
if d.fileLock == nil {
panic("SharedDir already unlocked")
}
require.NoError(d.t, d.fileLock.Close())
d.fileLock = nil
}
// NewSharedDir creates a new shared directory.
func NewSharedDir(t *testing.T, id string) *SharedDir {
dir := paths.TempDir().Join(ProjectName + "-" + id)
require.NoError(t, dir.MkdirAll())
return &SharedDir{
dir: dir,
t: t,
}
}
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