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https://issues.apache.org/jira/browse/DRILL-7393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16984967#comment-16984967
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ASF GitHub Bot commented on DRILL-7393:
---------------------------------------
vvysotskyi commented on pull request #1910: DRILL-7393: Revisit Drill tests to
ensure that patching is executed b…
URL: https://github.com/apache/drill/pull/1910#discussion_r352104680
##########
File path:
exec/java-exec/src/test/java/org/apache/drill/BaseTestInheritance.java
##########
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.drill;
+
+import org.apache.drill.categories.UnlikelyTest;
+import org.apache.drill.test.BaseTest;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.reflections.Reflections;
+import org.reflections.scanners.SubTypesScanner;
+
+import java.lang.reflect.Method;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static org.junit.Assert.assertTrue;
+
+public class BaseTestInheritance extends BaseTest {
+
+ @Test
+ @Category(UnlikelyTest.class)
+ public void verifyInheritance() {
+ // Get all BaseTest inheritors
+ Reflections reflections = new Reflections("org.apache.drill", new
SubTypesScanner(false));
+ Set<String> baseTestInheritors =
reflections.getSubTypesOf(BaseTest.class).stream()
+ .map(Class::getName)
+ .collect(Collectors.toSet());
+ // Get all tests
+ Set<String> testClasses = reflections.getSubTypesOf(Object.class).stream()
+ .filter(c -> !c.isInterface())
+ .filter(c -> c.getSimpleName().toLowerCase().contains("test"))
+ .filter(c -> {
+ for (Method m : c.getDeclaredMethods()) {
+ if (m.getAnnotation(Test.class) != null) {
+ return true;
+ }
+ }
+ return false;
+ })
+ .map(Class::getName)
+ .collect(Collectors.toSet());
+
+ testClasses.removeAll(baseTestInheritors);
Review comment:
We may avoid this by adding one more filter into the stream above.
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> Revisit Drill tests to ensure that patching is executed before any test run
> ---------------------------------------------------------------------------
>
> Key: DRILL-7393
> URL: https://issues.apache.org/jira/browse/DRILL-7393
> Project: Apache Drill
> Issue Type: Task
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Arina Ielchiieva
> Assignee: Anton Gozhiy
> Priority: Major
>
> Apache Drill patches some Protobuf and Guava classes (see GuavaPatcher,
> ProtobufPatcher), patching should be done before classes to be patched are
> loaded. That's why this operation is executed in static block in Drillbit
> class.
> Some tests in java-exec module use Drillbit class, some extend DrillTest
> class, both of them patch Guava. But there are some tests that do not call
> patcher but load classes to be patched. For example,
> {{org.apache.drill.exec.sql.TestSqlBracketlessSyntax}} loads Guava
> Preconditions class. If such tests run before tests that require patching,
> tests run will fail since patching won't be successful. Patchers code does
> not fail application if patching was not complete, just logs warning
> ({{logger.warn("Unable to patch Guava classes.", e);}}), so sometimes it hard
> to identify unit tests failure root cause.
> We need to revisit all Drill tests to ensure that all of them extend common
> test base class which patchers Protobuf and Guava classes in static block.
> Also refactor Patcher classes to have assert to fail if patching fails during
> unit testing if there are any problems.
> After all tests are revised, we can remove {{metastore-test}} execution from
> main.xml in {{maven-surefire-plugin}} which was added to ensure that all
> Metastore tests run in a separate JVM where patching is done in first place
> since Iceberg Metastore heavily depends on patched Guava Preconditions class.
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