From 24267e9a9deab823f626b5c27278bb469f9c0ead Mon Sep 17 00:00:00 2001
From: Michael Eischer <michael.eischer@fau.de>
Date: Sat, 29 Oct 2022 11:26:00 +0200
Subject: [PATCH] lock: add test to check that refreshing works

---
 cmd/restic/lock_test.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/cmd/restic/lock_test.go b/cmd/restic/lock_test.go
index 70e864448..faa608221 100644
--- a/cmd/restic/lock_test.go
+++ b/cmd/restic/lock_test.go
@@ -128,3 +128,27 @@ func TestLockFailedRefresh(t *testing.T) {
 	// unlockRepo should not crash
 	unlockRepo(lock)
 }
+
+func TestLockSuccessfulRefresh(t *testing.T) {
+	repo, cleanup, _ := openTestRepo(t, nil)
+	defer cleanup()
+
+	// reduce locking intervals to be suitable for testing
+	ri, rt := refreshInterval, refreshabilityTimeout
+	refreshInterval = 20 * time.Millisecond
+	refreshabilityTimeout = 100 * time.Millisecond
+	defer func() {
+		refreshInterval, refreshabilityTimeout = ri, rt
+	}()
+
+	lock, wrappedCtx := checkedLockRepo(context.Background(), t, repo)
+
+	select {
+	case <-wrappedCtx.Done():
+		t.Fatal("lock refresh failed")
+	case <-time.After(2 * refreshabilityTimeout):
+		// expected lock refresh to work
+	}
+	// unlockRepo should not crash
+	unlockRepo(lock)
+}