/*
 * 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.streaming.util;

import org.apache.flink.configuration.Configuration;
import org.apache.flink.core.fs.Path;
import org.apache.flink.runtime.minicluster.MiniCluster;
import org.apache.flink.streaming.api.environment.ExecutionCheckpointingOptions;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironmentFactory;
import org.apache.flink.test.util.MiniClusterPipelineExecutorServiceLoader;
import org.apache.flink.util.TestNameProvider;

import java.net.URL;
import java.util.Collection;
import java.util.Collections;

/** A {@link StreamExecutionEnvironment} that executes its jobs on {@link MiniCluster}. */
public class TestStreamEnvironment extends StreamExecutionEnvironment {
    private static final boolean RANDOMIZE_CHECKPOINTING_CONFIG =
            Boolean.parseBoolean(System.getProperty("checkpointing.randomization", "false"));

    public TestStreamEnvironment(
            MiniCluster miniCluster,
            int parallelism,
            Collection<Path> jarFiles,
            Collection<URL> classPaths) {
        super(
                new MiniClusterPipelineExecutorServiceLoader(miniCluster),
                MiniClusterPipelineExecutorServiceLoader.createConfiguration(jarFiles, classPaths),
                null);

        setParallelism(parallelism);
    }

    public TestStreamEnvironment(MiniCluster miniCluster, int parallelism) {
        this(miniCluster, parallelism, Collections.emptyList(), Collections.emptyList());
    }

    /**
     * Sets the streaming context environment to a TestStreamEnvironment that runs its programs on
     * the given cluster with the given default parallelism and the specified jar files and class
     * paths.
     *
     * @param miniCluster The MiniCluster to execute jobs on.
     * @param parallelism The default parallelism for the test programs.
     * @param jarFiles Additional jar files to execute the job with
     * @param classpaths Additional class paths to execute the job with
     */
    public static void setAsContext(
            final MiniCluster miniCluster,
            final int parallelism,
            final Collection<Path> jarFiles,
            final Collection<URL> classpaths) {

        StreamExecutionEnvironmentFactory factory =
                conf -> {
                    TestStreamEnvironment env =
                            new TestStreamEnvironment(
                                    miniCluster, parallelism, jarFiles, classpaths);
                    randomize(conf);
                    env.configure(conf, env.getUserClassloader());
                    return env;
                };

        initializeContextEnvironment(factory);
    }

    /**
     * Randomizes configuration on test case level even if mini cluster is used in a class rule.
     *
     * <p>Note that only unset properties are randomized.
     *
     * @param conf the configuration to randomize
     */
    private static void randomize(Configuration conf) {
        if (RANDOMIZE_CHECKPOINTING_CONFIG) {
            final String testName = TestNameProvider.getCurrentTestName();
            final PseudoRandomValueSelector valueSelector =
                    PseudoRandomValueSelector.create(testName != null ? testName : "unknown");
            valueSelector.select(conf, ExecutionCheckpointingOptions.ENABLE_UNALIGNED, true, false);
        }
    }

    /**
     * Sets the streaming context environment to a TestStreamEnvironment that runs its programs on
     * the given cluster with the given default parallelism.
     *
     * @param miniCluster The MiniCluster to execute jobs on.
     * @param parallelism The default parallelism for the test programs.
     */
    public static void setAsContext(final MiniCluster miniCluster, final int parallelism) {
        setAsContext(miniCluster, parallelism, Collections.emptyList(), Collections.emptyList());
    }

    /** Resets the streaming context environment to null. */
    public static void unsetAsContext() {
        resetContextEnvironment();
    }
}

@@ -1379,16 +1379,43 @@
 et.URL;%0A
+import java.time.Duration;%0A
 import j
@@ -4265,16 +4265,276 @@
 false);%0A
+            valueSelector.select(%0A                    conf,%0A                    ExecutionCheckpointingOptions.ALIGNMENT_TIMEOUT,%0A                    Duration.ofSeconds(0),%0A                    Duration.ofMillis(100),%0A                    Duration.ofSeconds(2));%0A
         

Add alignment timeout to it tests randomization