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[TEST] Fix flaky IndexServiceTests#testRefreshActuallyWorks

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This commit is contained in:
Simon Willnauer 2018-02-20 09:34:20 +01:00
parent 105dcb544c
commit 13a8ba4740
1 changed files with 34 additions and 13 deletions
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47
server/src/test/java/org/elasticsearch/index/IndexServiceTests.java
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@ -194,25 +194,46 @@ public class IndexServiceTests extends ESSingleNodeTestCase {
IndexService.AsyncRefreshTask refreshTask = indexService.getRefreshTask();
assertEquals(1000, refreshTask.getInterval().millis());
assertTrue(indexService.getRefreshTask().mustReschedule());
// now disable
IndexMetaData metaData = IndexMetaData.builder(indexService.getMetaData()).settings(Settings.builder().put(indexService.getMetaData().getSettings()).put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), -1)).build();
indexService.updateMetaData(metaData);
client().prepareIndex("test", "test", "1").setSource("{\"foo\": \"bar\"}", XContentType.JSON).get();
IndexShard shard = indexService.getShard(0);
try (Engine.Searcher searcher = shard.acquireSearcher("test")) {
TopDocs search = searcher.searcher().search(new MatchAllDocsQuery(), 10);
assertEquals(0, search.totalHits);
}
// refresh every millisecond
metaData = IndexMetaData.builder(indexService.getMetaData()).settings(Settings.builder().put(indexService.getMetaData().getSettings()).put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), "1ms")).build();
client().prepareIndex("test", "test", "0").setSource("{\"foo\": \"bar\"}", XContentType.JSON).get();
// now disable the refresh
IndexMetaData metaData = IndexMetaData.builder(indexService.getMetaData())
.settings(Settings.builder().put(indexService.getMetaData().getSettings())
.put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), -1)).build();
// when we update we reschedule the existing task AND fire off an async refresh to make sure we make everything visible
// before that this is why we need to wait for the refresh task to be unscheduled and the first doc to be visible
indexService.updateMetaData(metaData);
assertTrue(refreshTask.isClosed());
refreshTask = indexService.getRefreshTask();
assertBusy(() -> {
// this one either becomes visible due to a concurrently running scheduled refresh OR due to the force refresh
// we are running on updateMetaData if the interval changes
try (Engine.Searcher searcher = shard.acquireSearcher("test")) {
TopDocs search = searcher.searcher().search(new MatchAllDocsQuery(), 10);
assertEquals(1, search.totalHits);
} catch (IOException e) {
fail(e.getMessage());
}
});
assertFalse(refreshTask.isClosed());
// refresh every millisecond
client().prepareIndex("test", "test", "1").setSource("{\"foo\": \"bar\"}", XContentType.JSON).get();
metaData = IndexMetaData.builder(indexService.getMetaData())
.settings(Settings.builder().put(indexService.getMetaData().getSettings())
.put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), "1ms")).build();
indexService.updateMetaData(metaData);
assertTrue(refreshTask.isClosed());
assertBusy(() -> {
// this one becomes visible due to the force refresh we are running on updateMetaData if the interval changes
try (Engine.Searcher searcher = shard.acquireSearcher("test")) {
TopDocs search = searcher.searcher().search(new MatchAllDocsQuery(), 10);
assertEquals(2, search.totalHits);
}
});
client().prepareIndex("test", "test", "2").setSource("{\"foo\": \"bar\"}", XContentType.JSON).get();
assertBusy(() -> {
// this one becomes visible due to the scheduled refresh
try (Engine.Searcher searcher = shard.acquireSearcher("test")) {
TopDocs search = searcher.searcher().search(new MatchAllDocsQuery(), 10);
assertEquals(3, search.totalHits);
}
});
}