AdGuardHome/internal/aghtest/os_windows.go

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// +build windows
package aghtest
import (
"io/ioutil"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const (
maxRetryDur = 500 * time.Millisecond
retryDur = 5 * time.Millisecond
)
func prepareTestDir(t *testing.T) (dir string) {
// Windows, including the version of Windows Server that Github Actions
// uses, apparently likes to overly eagerly inspect new directories with
// its Windows Defender. Disabling it might require additional
// workarounds, and until we've figured it out, just retry the deletion
// until the error goes away.
//
// The code is largely inspired by the one that has been introduced into
// the go command itself. We should probably make a proposal to use the
// same mechanism in t.TempDir.
//
// See https://go-review.googlesource.com/c/go/+/172337.
//
// See https://github.com/golang/go/issues/44919.
t.Helper()
wd, err := os.Getwd()
require.Nil(t, err)
dir, err = ioutil.TempDir(wd, "agh-test")
require.Nil(t, err)
require.NotEmpty(t, dir)
t.Cleanup(func() {
start := time.Now()
for {
err := os.RemoveAll(dir)
if err == nil {
break
}
if time.Since(start) >= maxRetryDur {
break
}
time.Sleep(retryDur)
}
assert.Nil(t, err)
})
return dir
}