solr/core/src/test/org/apache/solr/cloud/TestConfigSetsAPIShareSchema.java

/*
 * 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
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 */
package org.apache.solr.cloud;

import org.apache.solr.client.solrj.request.CollectionAdminRequest;
import org.apache.solr.client.solrj.request.ConfigSetAdminRequest;
import org.apache.solr.common.SolrException;
import org.apache.solr.core.CoreContainer;
import org.apache.solr.core.SolrCore;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

public class TestConfigSetsAPIShareSchema extends SolrCloudTestCase {

  @BeforeClass
  public static void setupCluster() throws Exception {
    System.setProperty("shareSchema", "true");  // see testSharedSchema

    configureCluster(1) // some tests here assume 1 node
        .addConfig("conf1", TEST_PATH().resolve("configsets").resolve("cloud-minimal").resolve("conf"))
        .addConfig("cShare", TEST_PATH().resolve("configsets").resolve("cloud-minimal").resolve("conf"))
        .configure();
  }
  @After
  public void doAfter() throws Exception {
    cluster.deleteAllCollections();
  }

  @AfterClass
  public static void doAfterClass() {
    System.clearProperty("shareSchema");
  }

  @Test
  public void testConfigSetDeleteWhenInUse() throws Exception {
    CollectionAdminRequest.createCollection("test_configset_delete", "conf1", 1, 1)
        .processAndWait(cluster.getSolrClient(), DEFAULT_TIMEOUT);

    // TODO - check exception response!
    ConfigSetAdminRequest.Delete deleteConfigRequest = new ConfigSetAdminRequest.Delete();
    deleteConfigRequest.setConfigSetName("conf1");
    expectThrows(SolrException.class, () -> {
      deleteConfigRequest.process(cluster.getSolrClient());
    });
  }

  @Test
  @SuppressWarnings({"unchecked"})
  public void testSharedSchema() throws Exception {
    CollectionAdminRequest.createCollection("col1", "cShare", 1, 1)
        .processAndWait(cluster.getSolrClient(), DEFAULT_TIMEOUT);
    CollectionAdminRequest.createCollection("col2", "cShare", 1, 1)
        .processAndWait(cluster.getSolrClient(), DEFAULT_TIMEOUT);
    CollectionAdminRequest.createCollection("col3", "conf1", 1, 1)
        .processAndWait(cluster.getSolrClient(), DEFAULT_TIMEOUT);

    CoreContainer coreContainer = cluster.getJettySolrRunner(0).getCoreContainer();

    try (SolrCore coreCol1 = coreContainer.getCore("col1_shard1_replica_n1");
         SolrCore coreCol2 = coreContainer.getCore("col2_shard1_replica_n1");
         SolrCore coreCol3 = coreContainer.getCore("col3_shard1_replica_n1")) {
      assertSame(coreCol1.getLatestSchema(), coreCol2.getLatestSchema());
      assertNotSame(coreCol1.getLatestSchema(), coreCol3.getLatestSchema());
    }

    // change col1's configSet
    CollectionAdminRequest.modifyCollection("col1",
      map("collection.configName", "conf1")  // from cShare
    ).processAndWait(cluster.getSolrClient(), DEFAULT_TIMEOUT);

    try (SolrCore coreCol1 = coreContainer.getCore("col1_shard1_replica_n1");
         SolrCore coreCol2 = coreContainer.getCore("col2_shard1_replica_n1")) {
      assertNotSame(coreCol1.getLatestSchema(), coreCol2.getLatestSchema());
    }

  }

}