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* Licensed to Elasticsearch under one or more contributor
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* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.cluster.metadata;
import org.elasticsearch.common.SuppressForbidden;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.test.ESTestCase;
public class EvilSystemPropertyTests extends ESTestCase {
@SuppressForbidden(reason = "manipulates system properties for testing")
public void testMaxNumShards() {
IllegalArgumentException exception = expectThrows(IllegalArgumentException.class, () ->
IndexMetaData.buildNumberOfShardsSetting()
.get(Settings.builder().put("index.number_of_shards", 1025).build()));
assertEquals("Failed to parse value [1025] for setting [index.number_of_shards] must be <= 1024", exception.getMessage());
Integer numShards = IndexMetaData.INDEX_NUMBER_OF_SHARDS_SETTING.get(Settings.builder().put("index.number_of_shards", 100).build());
assertEquals(100, numShards.intValue());
int limit = randomIntBetween(1, 10);
System.setProperty("es.index.max_number_of_shards", Integer.toString(limit));
try {
IllegalArgumentException e = expectThrows(IllegalArgumentException.class, () ->
IndexMetaData.buildNumberOfShardsSetting()
.get(Settings.builder().put("index.number_of_shards", 11).build()));
assertEquals("Failed to parse value [11] for setting [index.number_of_shards] must be <= " + limit, e.getMessage());
} finally {
System.clearProperty("es.index.max_number_of_shards");
}
}
}