Retries in cache test

mrego · Jan 18, 2023 · 8ae3007 · 8ae3007
1 parent 8f2af79
commit 8ae3007
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/preload/prefetch-cache.html b/preload/prefetch-cache.html
@@ -15,7 +15,12 @@
 }
 
 promise_test(async t => {
-    const result = await prefetch_and_count("max-age=604800", t);
+    let result = 0;
+    // Sometimes the HTTP cache is not reliable. We want to see that the prefetch is reused in at
+    // least 1 out of 10 tries.
+    for (let i = 0; i < 10 && result !== 1; ++i) {
+        result = await prefetch_and_count("max-age=604800", t);
+    }
     assert_equals(result, 1);
 }, "Prefetch should populate the HTTP cache");