1 files changed, 50 insertions, 0 deletions
diff --git a/util/interrupt/cleaner_test.go b/util/interrupt/cleaner_test.go
new file mode 100644
index 00000000..c4e5c9b3
--- /dev/null
+++ b/util/interrupt/cleaner_test.go
@@ -0,0 +1,50 @@
+package interrupt
+
+import (
+	"errors"
+	"testing"
+)
+
+// TestRegisterAndErrorAtCleaning tests if the registered order was kept by checking the returned errors
+func TestRegisterAndErrorAtCleaning(t *testing.T) {
+	active = true // this prevents goroutine from being started during the tests
+
+	f := func() error {
+		return errors.New("X")
+	}
+	f2 := func() error {
+		return errors.New("Y")
+	}
+	f3 := func() error {
+		return nil
+	}
+	RegisterCleaner(f)
+	RegisterCleaner(f2, f3)
+	// count := 0
+
+	errl := Clean()
+	if len(errl) != 2 {
+		t.Fatalf("unexpected error count")
+	}
+	if errl[0].Error() != "Y" && errl[1].Error() != "X" {
+		t.Fatalf("unexpected error order")
+
+	}
+}
+
+func TestRegisterAndClean(t *testing.T) {
+	active = true // this prevents goroutine from being started during the tests
+
+	f := func() error {
+		return nil
+	}
+	f2 := func() error {
+		return nil
+	}
+	RegisterCleaner(f, f2)
+
+	errl := Clean()
+	if len(errl) != 0 {
+		t.Fatalf("unexpected error count")
+	}
+}