test/internal/mountinfo: move from sandbox

This also improves its API.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 15 insertions, 0 deletions

diff --git a/test/internal/mountinfo/mountinfo_guard.go b/test/internal/mountinfo/mountinfo_guard.go
new file mode 100644
index 00000000..aaf63ac4
--- /dev/null
+++ b/test/internal/mountinfo/mountinfo_guard.go
@@ -0,0 +1,15 @@
+//go:build !testsuite && !tester
+
+package mountinfo
+
+import (
+	"os"
+	"testing"
+)
+
+func init() {
+	if !testing.Testing() {
+		println("package mountinfo imported in non-testsuite program")
+		os.Exit(1)
+	}
+}