prysm-pulse/shared/testutil/tempdir.go

package testutil

import (
	"os"
)

// TempDir returns a directory path for temporary test storage.
func TempDir() string {
	d := os.Getenv("TEST_TMPDIR")

	// If the test is not run via bazel, the environment var won't be set.
	if d == "" {
		return os.TempDir()
	}
	return d
}