Demogorgon314 commented on a change in pull request #14518:
URL: https://github.com/apache/pulsar/pull/14518#discussion_r816845187
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File path:
pulsar-metadata/src/test/java/org/apache/pulsar/metadata/MetadataCacheTest.java
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@@ -265,12 +263,11 @@ public void insertionDeletion(String provider,
Supplier<String> urlSupplier) thr
assertEquals(e.getCause().getClass(),
AlreadyExistsException.class);
}
- assertEqualsAndRetry(() -> objCache.getIfCached(key1),
Optional.of(value1), Optional.empty());
assertEquals(objCache.get(key1).join(), Optional.of(value1));
assertEquals(objCache.readModifyUpdateOrCreate(key1, __ ->
value2).join(), value2);
assertEquals(objCache.get(key1).join(), Optional.of(value2));
- assertEqualsAndRetry(() -> objCache.getIfCached(key1),
Optional.of(value2), Optional.empty());
+ Awaitility.await().untilAsserted(() ->
assertEquals(objCache.getIfCached(key1), Optional.of(value2)));
Review comment:
@lhotari
Need ensure `objCache.getIfCached(key1)` don't return a wrong value.
If we use `Awaitility.await().untilAsserted(() ->
assertEquals(objCache.getIfCached(key1), Optional.of(value2)));`, here has an
example case test can't cover.
1. objCache.getIfCached(key1) => Optional.of(value1) (We should fail here,
but it will continue to run)
2. objCache.getIfCached(key1) => Optional.of(value2)
The getIfCached method should always return `Optional.empty()` or correct
value, we don't want to read dirty values from the cache, right?
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