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//go:build darwin
package dns
import (
"os"
"path/filepath"
"strings"
"testing"
)
// tempDir creates a temporary directory for tests and returns a file path as
// a result of concatenation of said temporary directory path and provided filename.
// The reason for this is to work around some limitations in socket file name
// lengths on darwin.
//
// Ref:
// - https://github.com/golang/go/blob/go1.20.2/src/syscall/ztypes_darwin_arm64.go#L178
// - https://github.com/golang/go/blob/go1.20.2/src/syscall/ztypes_linux_arm64.go#L175
func tempFile(t *testing.T, filename string) string {
t.Helper()
dir, err := os.MkdirTemp("", strings.ReplaceAll(t.Name(), string(filepath.Separator), "-"))
if err != nil {
t.Fatalf("failed to create temp dir: %v", err)
}
return filepath.Join(dir, filename)
}
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