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new 9fbcc0f0810 [FLINK-35458][test][type] Add serializer upgrade test for
set serializer (#26445)
9fbcc0f0810 is described below
commit 9fbcc0f0810f1bd27c5a52b82372b90c6718180e
Author: Zhanghao Chen <m...@outlook.com>
AuthorDate: Mon Jun 16 14:34:32 2025 +0800
[FLINK-35458][test][type] Add serializer upgrade test for set serializer
(#26445)
---
.../typeutils/base/SetSerializerUpgradeTest.java | 108 +++++++++++++++++++++
.../set-serializer-2.0/serializer-snapshot | Bin 0 -> 184 bytes
.../test/resources/set-serializer-2.0/test-data | Bin 0 -> 19 bytes
3 files changed, 108 insertions(+)
diff --git
a/flink-core/src/test/java/org/apache/flink/api/common/typeutils/base/SetSerializerUpgradeTest.java
b/flink-core/src/test/java/org/apache/flink/api/common/typeutils/base/SetSerializerUpgradeTest.java
new file mode 100644
index 00000000000..b21086db859
--- /dev/null
+++
b/flink-core/src/test/java/org/apache/flink/api/common/typeutils/base/SetSerializerUpgradeTest.java
@@ -0,0 +1,108 @@
+/*
+ * 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.flink.api.common.typeutils.base;
+
+import org.apache.flink.FlinkVersion;
+import org.apache.flink.api.common.typeutils.TypeSerializer;
+import org.apache.flink.api.common.typeutils.TypeSerializerConditions;
+import org.apache.flink.api.common.typeutils.TypeSerializerSchemaCompatibility;
+import org.apache.flink.api.common.typeutils.TypeSerializerUpgradeTestBase;
+import org.apache.flink.test.util.MigrationTest;
+
+import org.assertj.core.api.Condition;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/** A {@link TypeSerializerUpgradeTestBase} for {@link SetSerializerSnapshot}.
*/
+class SetSerializerUpgradeTest extends
TypeSerializerUpgradeTestBase<List<String>, List<String>> {
+
+ private static final String SPEC_NAME = "set-serializer";
+
+ @Override
+ public Collection<FlinkVersion> getMigrationVersions() {
+ return FlinkVersion.rangeOf(
+ FlinkVersion.v2_0,
MigrationTest.getMostRecentlyPublishedVersion());
+ }
+
+ public Collection<TestSpecification<?, ?>>
createTestSpecifications(FlinkVersion flinkVersion)
+ throws Exception {
+
+ ArrayList<TestSpecification<?, ?>> testSpecifications = new
ArrayList<>();
+ testSpecifications.add(
+ new TestSpecification<>(
+ SPEC_NAME,
+ flinkVersion,
+ SetSerializerSetup.class,
+ SetSerializerVerifier.class));
+
+ return testSpecifications;
+ }
+
+ //
----------------------------------------------------------------------------------------------
+ // Specification for "list-serializer"
+ //
----------------------------------------------------------------------------------------------
+
+ /**
+ * This class is only public to work with {@link
+ * org.apache.flink.api.common.typeutils.ClassRelocator}.
+ */
+ public static final class SetSerializerSetup implements
PreUpgradeSetup<Set<String>> {
+ @Override
+ public TypeSerializer<Set<String>> createPriorSerializer() {
+ return new SetSerializer<>(StringSerializer.INSTANCE);
+ }
+
+ @Override
+ public Set<String> createTestData() {
+ Set<String> data = new HashSet<>(2);
+ data.add("Apache");
+ data.add("Flink");
+ return data;
+ }
+ }
+
+ /**
+ * This class is only public to work with {@link
+ * org.apache.flink.api.common.typeutils.ClassRelocator}.
+ */
+ public static final class SetSerializerVerifier implements
UpgradeVerifier<Set<String>> {
+ @Override
+ public TypeSerializer<Set<String>> createUpgradedSerializer() {
+ return new SetSerializer<>(StringSerializer.INSTANCE);
+ }
+
+ @Override
+ public Condition<Set<String>> testDataCondition() {
+ Set<String> data = new HashSet<>(2);
+ data.add("Apache");
+ data.add("Flink");
+ return new Condition<>(data::equals, "data is (Apache, Flink)");
+ }
+
+ @Override
+ public Condition<TypeSerializerSchemaCompatibility<Set<String>>>
+ schemaCompatibilityCondition(FlinkVersion version) {
+ return TypeSerializerConditions.isCompatibleAsIs();
+ }
+ }
+}
diff --git
a/flink-core/src/test/resources/set-serializer-2.0/serializer-snapshot
b/flink-core/src/test/resources/set-serializer-2.0/serializer-snapshot
new file mode 100644
index 00000000000..7506c7227f0
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b/flink-core/src/test/resources/set-serializer-2.0/serializer-snapshot differ
diff --git a/flink-core/src/test/resources/set-serializer-2.0/test-data
b/flink-core/src/test/resources/set-serializer-2.0/test-data
new file mode 100644
index 00000000000..c61ce3c9e82
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b/flink-core/src/test/resources/set-serializer-2.0/test-data differ
