Mark more tests as flaky

This adds the necessary annotation to repeat flaky tests if necessary for tests described in these issues: * JanusGraph#1457 * JanusGraph#1459 * JanusGraph#1462 * JanusGraph#1464 * JanusGraph#1465 * JanusGraph#1497 * JanusGraph#1498 * JanusGraph#2272 * JanusGraph#3142 * JanusGraph#3356 * JanusGraph#3392 * JanusGraph#3393 * JanusGraph#3651 * JanusGraph#3931 * JanusGraph#3959 * JanusGraph#3960 I went through the recent builds on `master` and checked all failed builds. I think this should handle all flaky tests that occurred in these builds, apart from the TinkerPop test where I just don't know how to deal with it: JanusGraph#3841, but we can of course just address that in another PR. We however also sometimes get failed jobs because of some intermediate issues where a backend cannot be properly set up or teared down for some reason or downloading some artifact just fails. I don't know what we can do to improve this, but I would also consider that out of scope of this PR where I just wanted to deal with failing jobs due to specific tests being flaky. Hopefully, this will already lead to significantly fewer cases where we have to manually restart failed jobs (which I had to do a lot lately for all these Dependabot PRs). I also added a link to the relevant issue to all flaky tests. Signed-off-by: Florian Hockmann <[email protected]> (cherry picked from commit 2ba933c) # Conflicts: # janusgraph-cql/src/test/java/org/janusgraph/graphdb/cql/CQLGraphTest.java # janusgraph-solr/src/test/java/org/janusgraph/diskstorage/solr/CQLSolrTest.java # janusgraph-test/src/test/java/org/janusgraph/diskstorage/cache/ExpirationCacheTest.java
FlorianHockmann · Sep 14, 2023 · 9553819 · 9553819
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diff --git a/TESTING.md b/TESTING.md
@@ -35,10 +35,14 @@ All of JanusGraph's tests are written for JUnit.  JanusGraph's JUnit tests are a
 
 ### Marking tests as flaky
 
-If a test should be marked as flaky add following annotation to the test and open an issue.
+If a test should be marked as flaky, then first [open an issue](https://github.com/JanusGraph/janusgraph/issues/new?assignees=&labels=testing%2Fflaky&projects=&template=flaky-test.md)
+where you can add information about the flaky test that could be helpful later to others to understand why the test is
+marked as flaky and hopefully for fixing it.
+Afterwards, add the annotation to the test and link to the issue you just created:
 
 ```java
-@RepeatedIfExceptionsTest(repeats = 4, minSuccess = 2)
+// flaky test: https://github.com/JanusGraph/janusgraph/issues/[ISSUE_NUMBER]
+@RepeatedIfExceptionsTest(repeats = 3)
 public void testFlakyFailsSometimes(){}
 ```
 
@@ -128,7 +132,7 @@ mvn clean install -pl janusgraph-es -Delasticsearch.docker.version=6.0.0 -Delast
 
 **Note** Running CQL tests require Docker.
 
-CQL tests are executed using [testcontainers-java](https://www.testcontainers.org/). 
+CQL tests are executed using [testcontainers-java](https://www.testcontainers.org/).
 CQL tests can be executed against a Cassandra 3 using the profile `cassandra3`, or a Scylla 3 using the profile `scylladb`.
 
 ```bash
@@ -172,10 +176,10 @@ System properties to configure HBase test executions:
 
 ### TinkerPop tests
 
-The CQL backend is tested with TinkerPop tests using following command. 
+The CQL backend is tested with TinkerPop tests using following command.
 
-**Note: Profiles are not supported during running TinkerPop tests. 
-If you do not want to use the default config, you can set `cassandra.docker.image`, 
+**Note: Profiles are not supported during running TinkerPop tests.
+If you do not want to use the default config, you can set `cassandra.docker.image`,
 `cassandra.docker.version`, or `cassandra.docker.partitioner`.**
 
 ```bash
@@ -185,6 +189,6 @@ mvn clean install -Dtest.skip.tp=false -DskipTests=true -pl janusgraph-cql \
 
 ### Create new configuration files for new Versions of Cassandra
 
-The file `janusgraph-cql/src/test/resources/docker/docker-compose.yml` can be used to generate new configuration files. 
-Therefore, you have to start a Cassandra instance using `docker-compose up`. 
+The file `janusgraph-cql/src/test/resources/docker/docker-compose.yml` can be used to generate new configuration files.
+Therefore, you have to start a Cassandra instance using `docker-compose up`.
 Afterward, you can extract the configuration which is located in the following file `/etc/cassandra/cassandra.yaml`.
diff --git a/...ackend-testutils/src/main/java/org/janusgraph/diskstorage/indexing/IndexProviderTest.java b/...ackend-testutils/src/main/java/org/janusgraph/diskstorage/indexing/IndexProviderTest.java
@@ -842,7 +842,8 @@ public void testRestore() throws Exception {
         assertTrue(results.contains("restore-doc1"));
     }
 
-    @RepeatedIfExceptionsTest(repeats = 4, minSuccess = 2)
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1091
+    @RepeatedIfExceptionsTest(repeats = 3)
     public void testTTL() throws Exception {
         if (!index.getFeatures().supportsDocumentTTL())
             return;

diff --git a/janusgraph-backend-testutils/src/main/java/org/janusgraph/diskstorage/log/LogTest.java b/janusgraph-backend-testutils/src/main/java/org/janusgraph/diskstorage/log/LogTest.java
@@ -99,7 +99,8 @@ public void mediumSendReceiveSerial() throws Exception {
         simpleSendReceive(2000,1);
     }
 
-    @RepeatedIfExceptionsTest(repeats = 4, minSuccess = 2)
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1445
+    @RepeatedIfExceptionsTest(repeats = 3)
     @Tag(LogTest.requiresOrderPreserving)
     public void testMultipleReadersOnSingleLogSerial() throws Exception {
         sendReceive(4, 2000, 5, true, TIMEOUT_MS);

diff --git a/janusgraph-backend-testutils/src/main/java/org/janusgraph/graphdb/JanusGraphIndexTest.java b/janusgraph-backend-testutils/src/main/java/org/janusgraph/graphdb/JanusGraphIndexTest.java
@@ -2144,7 +2144,8 @@ public void testIndexReplay() throws Exception {
         assertEquals(4, recoveryStats[1]); //all 4 index transaction had provoked errors in the indexing backend
     }
 
-    @Test
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/2272
+    @RepeatedIfExceptionsTest(repeats = 3)
     public void testIndexUpdatesWithoutReindex() throws InterruptedException, ExecutionException {
         final Object[] settings = new Object[]{option(LOG_SEND_DELAY, MANAGEMENT_LOG), Duration.ofMillis(0),
                 option(KCVSLog.LOG_READ_LAG_TIME, MANAGEMENT_LOG), Duration.ofMillis(50),
@@ -3149,7 +3150,8 @@ public void testOrderByWithRange() {
 
     }
 
-    @RepeatedIfExceptionsTest(repeats = 4, minSuccess = 2)
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3976
+    @RepeatedIfExceptionsTest(repeats = 3)
     public void shouldUpdateIndexFieldsAfterIndexModification() throws InterruptedException, ExecutionException {
         clopen(option(FORCE_INDEX_USAGE), true, option(LOG_READ_INTERVAL, MANAGEMENT_LOG), Duration.ofMillis(5000));
         String key1 = "testKey1";

diff --git a/...ckend-testutils/src/main/java/org/janusgraph/graphdb/JanusGraphOperationCountingTest.java b/...ckend-testutils/src/main/java/org/janusgraph/graphdb/JanusGraphOperationCountingTest.java
@@ -20,6 +20,7 @@
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Iterators;
+import io.github.artsok.RepeatedIfExceptionsTest;
 import org.apache.tinkerpop.gremlin.structure.Direction;
 import org.apache.tinkerpop.gremlin.structure.Edge;
 import org.apache.tinkerpop.gremlin.structure.Vertex;
@@ -127,7 +128,8 @@ private void verifyLockingOverwrite(long num) {
         }
     }
 
-    @Test
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1459
+    @RepeatedIfExceptionsTest(repeats = 3)
     public void testIdCounts() {
         makeVertexIndexedUniqueKey("uid", Integer.class);
         mgmt.setConsistency(mgmt.getGraphIndex("uid"), ConsistencyModifier.LOCK);

diff --git a/...eleyje/src/test/java/org/janusgraph/graphdb/berkeleyje/BerkeleyOperationCountingTest.java b/...eleyje/src/test/java/org/janusgraph/graphdb/berkeleyje/BerkeleyOperationCountingTest.java
@@ -14,7 +14,6 @@
 
 package org.janusgraph.graphdb.berkeleyje;
 
-import io.github.artsok.RepeatedIfExceptionsTest;
 import org.janusgraph.BerkeleyStorageSetup;
 import org.janusgraph.diskstorage.configuration.WriteConfiguration;
 import org.janusgraph.graphdb.JanusGraphOperationCountingTest;
@@ -27,12 +26,6 @@ public WriteConfiguration getBaseConfiguration() {
         return BerkeleyStorageSetup.getBerkeleyJEGraphConfiguration();
     }
 
-    @Override
-    @RepeatedIfExceptionsTest(repeats = 4, minSuccess = 2)
-    public void testIdCounts() {
-        super.testIdCounts();
-    }
-
     @AfterEach
     public void resetCounts() {
         resetMetrics(); // Metrics is a singleton, so subsequents test runs have wrong counts if we don't clean up.

diff --git a/janusgraph-cql/src/test/java/org/janusgraph/core/cql/CQLConfiguredGraphFactoryTest.java b/janusgraph-cql/src/test/java/org/janusgraph/core/cql/CQLConfiguredGraphFactoryTest.java
@@ -109,7 +109,8 @@ public void createConfigurationShouldSupportMultiHosts() throws Exception {
         }
     }
 
-    @Test
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3393
+    @RepeatedIfExceptionsTest(repeats = 3)
     public void dropGraphShouldRemoveGraphKeyspace() throws Exception {
         final MapConfiguration graphConfig = getGraphConfig();
         final String graphName = graphConfig.getString(GRAPH_NAME.toStringWithoutRoot());
@@ -132,10 +133,18 @@ public void dropGraphShouldRemoveGraphKeyspace() throws Exception {
         }
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3096
     @RepeatedIfExceptionsTest(repeats = 3)
     @Override
     public void updateConfigurationShouldRemoveGraphFromCache() throws Exception {
         super.updateConfigurationShouldRemoveGraphFromCache();
     }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3959
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void dropShouldCleanUpTraversalSourceAndBindings() throws Exception {
+        super.dropShouldCleanUpTraversalSourceAndBindings();
+    }
 }
 
diff --git a/janusgraph-cql/src/test/java/org/janusgraph/graphdb/cql/CQLGraphCacheTest.java b/janusgraph-cql/src/test/java/org/janusgraph/graphdb/cql/CQLGraphCacheTest.java
@@ -14,13 +14,16 @@
 
 package org.janusgraph.graphdb.cql;
 
+import io.github.artsok.RepeatedIfExceptionsTest;
 import org.janusgraph.JanusGraphCassandraContainer;
 import org.janusgraph.StorageSetup;
 import org.janusgraph.diskstorage.configuration.WriteConfiguration;
 import org.janusgraph.graphdb.JanusGraphTest;
 import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.junit.jupiter.Testcontainers;
 
+import java.util.concurrent.ExecutionException;
+
 @Testcontainers
 public class CQLGraphCacheTest extends JanusGraphTest {
 
@@ -31,4 +34,60 @@ public class CQLGraphCacheTest extends JanusGraphTest {
     public WriteConfiguration getConfiguration() {
         return StorageSetup.addPermanentCache(cqlContainer.getConfiguration(getClass().getSimpleName()));
     }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1498
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testIndexUpdatesWithReindexAndRemove() throws InterruptedException, ExecutionException {
+        super.testIndexUpdatesWithReindexAndRemove();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1457
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void simpleLogTest() throws InterruptedException {
+        super.simpleLogTest();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1457
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void simpleLogTestWithFailure() throws InterruptedException {
+        super.simpleLogTestWithFailure();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1497
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testEdgeTTLTiming() throws Exception {
+        super.testEdgeTTLTiming();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1462
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testEdgeTTLWithTransactions() throws Exception {
+        super.testEdgeTTLWithTransactions();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1464
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testVertexTTLWithCompositeIndex() throws Exception {
+        super.testVertexTTLWithCompositeIndex();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1465
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testVertexTTLImplicitKey() throws Exception {
+        super.testVertexTTLImplicitKey();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3142
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testReindexingForEdgeIndex() throws ExecutionException, InterruptedException {
+        super.testReindexingForEdgeIndex();
+    }
 }
diff --git a/janusgraph-cql/src/test/java/org/janusgraph/graphdb/cql/CQLGraphTest.java b/janusgraph-cql/src/test/java/org/janusgraph/graphdb/cql/CQLGraphTest.java
@@ -65,12 +65,42 @@ public void testHasTTL() {
         assertTrue(features.hasCellTTL());
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1457
     @RepeatedIfExceptionsTest(repeats = 3)
     @Override
     public void simpleLogTest() throws InterruptedException{
         super.simpleLogTest();
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1457
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void simpleLogTestWithFailure() throws InterruptedException {
+        super.simpleLogTestWithFailure();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1497
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testEdgeTTLTiming() throws Exception {
+        super.testEdgeTTLTiming();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1464
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testVertexTTLWithCompositeIndex() throws Exception {
+        super.testVertexTTLWithCompositeIndex();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/1465
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testVertexTTLImplicitKey() throws Exception {
+        super.testVertexTTLImplicitKey();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3142
     @RepeatedIfExceptionsTest(repeats = 3)
     @Override
     public void testReindexingForEdgeIndex() throws ExecutionException, InterruptedException {

diff --git a/janusgraph-cql/src/test/java/org/janusgraph/graphdb/cql/CQLOLAPTest.java b/janusgraph-cql/src/test/java/org/janusgraph/graphdb/cql/CQLOLAPTest.java
@@ -14,6 +14,7 @@
 
 package org.janusgraph.graphdb.cql;
 
+import io.github.artsok.RepeatedIfExceptionsTest;
 import org.janusgraph.JanusGraphCassandraContainer;
 import org.janusgraph.diskstorage.configuration.WriteConfiguration;
 import org.janusgraph.olap.OLAPTest;
@@ -29,4 +30,11 @@ public class CQLOLAPTest extends OLAPTest {
     public WriteConfiguration getConfiguration() {
         return cqlContainer.getConfiguration(getClass().getSimpleName()).getConfiguration();
     }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3392
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testShortestDistance() throws Exception {
+        super.testShortestDistance();
+    }
 }
diff --git a/janusgraph-cql/src/test/java/org/janusgraph/hadoop/CQLIndexManagementIT.java b/janusgraph-cql/src/test/java/org/janusgraph/hadoop/CQLIndexManagementIT.java
@@ -33,6 +33,7 @@ public WriteConfiguration getConfiguration() {
         return cql.getConfiguration(getClass().getSimpleName().toLowerCase()).getConfiguration();
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3132
     @RepeatedIfExceptionsTest(repeats = 3)
     @Override
     public void testRepairRelationIndex() throws ExecutionException, InterruptedException, BackendException {

diff --git a/janusgraph-es/src/test/java/org/janusgraph/diskstorage/es/BerkeleyElasticsearchTest.java b/janusgraph-es/src/test/java/org/janusgraph/diskstorage/es/BerkeleyElasticsearchTest.java
@@ -41,6 +41,13 @@ public ModifiableConfiguration getStorageConfiguration() {
         return getBerkeleyJEConfiguration();
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3960
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void indexShouldNotExistAfterDeletion() throws Exception {
+        super.indexShouldNotExistAfterDeletion();
+    }
+
     /**
      * Test {@link org.janusgraph.example.GraphOfTheGodsFactory#create(String)}.
      */
@@ -55,9 +62,17 @@ public void testGraphOfTheGodsFactoryCreate() {
         gotg.close();
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3651
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testDisableAndDiscardManuallyAndDropEnabledIndex() throws Exception {
+        super.testDisableAndDiscardManuallyAndDropEnabledIndex();
+    }
+
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3931
     @RepeatedIfExceptionsTest(repeats = 3)
     @Override
-    public void testIndexUpdatesWithoutReindex() throws InterruptedException, ExecutionException {
-        super.testIndexUpdatesWithoutReindex();
+    public void testDiscardAndDropRegisteredIndex() throws ExecutionException, InterruptedException {
+        super.testDiscardAndDropRegisteredIndex();
     }
 }
diff --git a/janusgraph-es/src/test/java/org/janusgraph/diskstorage/es/CQLElasticsearchTest.java b/janusgraph-es/src/test/java/org/janusgraph/diskstorage/es/CQLElasticsearchTest.java
@@ -14,15 +14,12 @@
 
 package org.janusgraph.diskstorage.es;
 
-import io.github.artsok.RepeatedIfExceptionsTest;
 import org.janusgraph.JanusGraphCassandraContainer;
 import org.janusgraph.diskstorage.configuration.ModifiableConfiguration;
 import org.junit.jupiter.api.Disabled;
 import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.junit.jupiter.Testcontainers;
 
-import java.util.concurrent.ExecutionException;
-
 @Testcontainers
 public class CQLElasticsearchTest extends ElasticsearchJanusGraphIndexTest {
 
@@ -37,10 +34,4 @@ public ModifiableConfiguration getStorageConfiguration() {
     @Override
     @Disabled("CQL seems to not clear storage correctly")
     public void testClearStorage() {}
-
-    @RepeatedIfExceptionsTest(repeats = 3)
-    @Override
-    public void testIndexUpdatesWithoutReindex() throws InterruptedException, ExecutionException {
-        super.testIndexUpdatesWithoutReindex();
-    }
 }
diff --git a/janusgraph-solr/src/test/java/org/janusgraph/diskstorage/solr/CQLSolrTest.java b/janusgraph-solr/src/test/java/org/janusgraph/diskstorage/solr/CQLSolrTest.java
@@ -14,6 +14,7 @@
 
 package org.janusgraph.diskstorage.solr;
 
+import io.github.artsok.RepeatedIfExceptionsTest;
 import org.janusgraph.JanusGraphCassandraContainer;
 import org.janusgraph.diskstorage.configuration.ModifiableConfiguration;
 import org.testcontainers.junit.jupiter.Container;
@@ -35,4 +36,10 @@ public boolean supportsWildcardQuery() {
         return false;
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/3356
+    @RepeatedIfExceptionsTest(repeats = 3)
+    @Override
+    public void testSetIndexing() {
+        super.testSetIndexing();
+    }
 }
diff --git a/janusgraph-solr/src/test/java/org/janusgraph/diskstorage/solr/SolrJanusGraphIndexTest.java b/janusgraph-solr/src/test/java/org/janusgraph/diskstorage/solr/SolrJanusGraphIndexTest.java
@@ -81,6 +81,7 @@ public void testClearStorage() throws Exception {
         super.testClearStorage();
     }
 
+    // flaky test: https://github.com/JanusGraph/janusgraph/issues/2271
     @Override
     @RepeatedIfExceptionsTest(repeats = 10, suspend = 1000L)
     public void testIndexReplay() throws Exception {