[FLINK-33676] Implement RestoreTests for WindowAggregate

This closes #23886

flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/plan/nodes/exec/stream/WindowAggregateEventTimeRestoreTest.java

@@ -0,0 +1,65 @@
+/*
+ * 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.table.planner.plan.nodes.exec.stream;
+
+import org.apache.flink.table.planner.plan.nodes.exec.testutils.RestoreTestBase;
+import org.apache.flink.table.test.program.TableTestProgram;
+
+import java.util.Arrays;
+import java.util.List;
+
+/** Restore tests for {@link StreamExecWindowAggregate}. */
+public class WindowAggregateEventTimeRestoreTest extends RestoreTestBase {
+
+    public WindowAggregateEventTimeRestoreTest() {
+        super(StreamExecWindowAggregate.class);
+    }
+
+    @Override
+    public List<TableTestProgram> programs() {
+        return Arrays.asList(
+                WindowAggregateTestPrograms.TUMBLE_WINDOW_EVENT_TIME,
+                WindowAggregateTestPrograms.TUMBLE_WINDOW_EVENT_TIME_TWO_PHASE,
+                WindowAggregateTestPrograms.TUMBLE_WINDOW_EVENT_TIME_TWO_PHASE_DISTINCT_SPLIT,
+                WindowAggregateTestPrograms.TUMBLE_WINDOW_EVENT_TIME_WITH_OFFSET,
+                WindowAggregateTestPrograms.TUMBLE_WINDOW_EVENT_TIME_TWO_PHASE_WITH_OFFSET,
+                WindowAggregateTestPrograms
+                        .TUMBLE_WINDOW_EVENT_TIME_TWO_PHASE_WITH_OFFSET_DISTINCT_SPLIT,
+                WindowAggregateTestPrograms.HOP_WINDOW_EVENT_TIME,
+                WindowAggregateTestPrograms.HOP_WINDOW_EVENT_TIME_TWO_PHASE,
+                WindowAggregateTestPrograms.HOP_WINDOW_EVENT_TIME_TWO_PHASE_DISTINCT_SPLIT,
+                WindowAggregateTestPrograms.HOP_WINDOW_EVENT_TIME_WITH_OFFSET,
+                WindowAggregateTestPrograms.HOP_WINDOW_EVENT_TIME_TWO_PHASE_WITH_OFFSET,
+                WindowAggregateTestPrograms
+                        .HOP_WINDOW_EVENT_TIME_TWO_PHASE_WITH_OFFSET_DISTINCT_SPLIT,
+                WindowAggregateTestPrograms.CUMULATE_WINDOW_EVENT_TIME,
+                WindowAggregateTestPrograms.CUMULATE_WINDOW_EVENT_TIME_TWO_PHASE,
+                WindowAggregateTestPrograms.CUMULATE_WINDOW_EVENT_TIME_TWO_PHASE_DISTINCT_SPLIT,
+                WindowAggregateTestPrograms.CUMULATE_WINDOW_EVENT_TIME_WITH_OFFSET,
+                WindowAggregateTestPrograms.CUMULATE_WINDOW_EVENT_TIME_TWO_PHASE_WITH_OFFSET,
+                WindowAggregateTestPrograms.CUMULATE_WINDOW_EVENT_TIME_WITH_OFFSET_DISTINCT_SPLIT,
+                WindowAggregateTestPrograms.SESSION_WINDOW_EVENT_TIME,
+                WindowAggregateTestPrograms.SESSION_WINDOW_EVENT_TIME_TWO_PHASE,
+                WindowAggregateTestPrograms.SESSION_WINDOW_EVENT_TIME_TWO_PHASE_DISTINCT_SPLIT,
+                WindowAggregateTestPrograms.SESSION_WINDOW_PARTITION_EVENT_TIME,
+                WindowAggregateTestPrograms.SESSION_WINDOW_PARTITION_EVENT_TIME_TWO_PHASE,
+                WindowAggregateTestPrograms
+                        .SESSION_WINDOW_PARTITION_EVENT_TIME_TWO_PHASE_DISTINCT_SPLIT);
+    }
+}