Package org.springframework.cassandra.test.unit.core.cql.generator

Source Code of org.springframework.cassandra.test.unit.core.cql.generator.CreateKeyspaceCqlGeneratorTests$NetworkTopologyTest

/*
* Copyright 2013-2014 the original author or authors.
*
* Licensed 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.springframework.cassandra.test.unit.core.cql.generator;

import static org.junit.Assert.assertTrue;

import java.util.HashMap;
import java.util.Map;

import org.junit.Test;
import org.springframework.cassandra.config.KeyspaceAttributes;
import org.springframework.cassandra.core.cql.generator.CreateKeyspaceCqlGenerator;
import org.springframework.cassandra.core.keyspace.CreateKeyspaceSpecification;
import org.springframework.cassandra.core.keyspace.DefaultOption;
import org.springframework.cassandra.core.keyspace.KeyspaceOption;
import org.springframework.cassandra.core.keyspace.Option;
import org.springframework.cassandra.test.unit.support.Utils;

public class CreateKeyspaceCqlGeneratorTests {

  /**
   * Asserts that the preamble is first & correctly formatted in the given CQL string.
   */
  public static void assertPreamble(String keyspaceName, String cql) {
    assertTrue(cql.startsWith("CREATE KEYSPACE " + keyspaceName + " "));
  }

  private static void assertReplicationMap(Map<Option, Object> replicationMap, String cql) {
    assertTrue(cql.contains(" WITH replication = { "));

    for (Map.Entry<Option, Object> entry : replicationMap.entrySet()) {
      String keyValuePair = "'" + entry.getKey().getName() + "' : " + (entry.getKey().quotesValue() ? "'" : "")
          + entry.getValue().toString() + (entry.getKey().quotesValue() ? "'" : "");
      assertTrue(cql.contains(keyValuePair));
    }
  }

  public static void assertDurableWrites(Boolean durableWrites, String cql) {
    assertTrue(cql.contains(" AND durable_writes = " + durableWrites));
  }

  /**
   * Convenient base class that other test classes can use so as not to repeat the generics declarations or
   * {@link #generator()} method.
   */
  public static abstract class CreateKeyspaceTest extends
      KeyspaceOperationCqlGeneratorTest<CreateKeyspaceSpecification, CreateKeyspaceCqlGenerator> {

    @Override
    public CreateKeyspaceCqlGenerator generator() {
      return new CreateKeyspaceCqlGenerator(specification);
    }
  }

  public static class BasicTest extends CreateKeyspaceTest {

    public String name = Utils.randomKeyspaceName();
    public Boolean durableWrites = true;

    public Map<Option, Object> replicationMap = KeyspaceAttributes.newSimpleReplication();

    @Override
    public CreateKeyspaceSpecification specification() {
      keyspace = name;

      return CreateKeyspaceSpecification.createKeyspace().name(keyspace)
          .with(KeyspaceOption.REPLICATION, replicationMap).with(KeyspaceOption.DURABLE_WRITES, durableWrites);
    }

    @Test
    public void test() {
      prepare();

      assertPreamble(keyspace, cql);
      assertReplicationMap(replicationMap, cql);
      assertDurableWrites(durableWrites, cql);
    }
  }

  public static class NoOptionsBasicTest extends CreateKeyspaceTest {

    public String name = Utils.randomKeyspaceName();
    public Boolean durableWrites = true;

    public Map<Option, Object> replicationMap = KeyspaceAttributes.newSimpleReplication();

    @Override
    public CreateKeyspaceSpecification specification() {
      keyspace = name;

      return CreateKeyspaceSpecification.createKeyspace().name(keyspace);
    }

    @Test
    public void test() {
      prepare();

      assertPreamble(keyspace, cql);
      assertReplicationMap(replicationMap, cql);
      assertDurableWrites(durableWrites, cql);
    }
  }

  public static class NetworkTopologyTest extends CreateKeyspaceTest {

    public String name = Utils.randomKeyspaceName();
    public Boolean durableWrites = false;

    public Map<Option, Object> replicationMap = new HashMap<Option, Object>();

    @Override
    public CreateKeyspaceSpecification specification() {
      keyspace = name;

      replicationMap.put(new DefaultOption("class", String.class, false, false, true), "NetworkTopologyStrategy");
      replicationMap.put(new DefaultOption("dc1", Long.class, false, false, true), 2);
      replicationMap.put(new DefaultOption("dc2", Long.class, false, false, true), 3);

      return CreateKeyspaceSpecification.createKeyspace().name(keyspace)
          .with(KeyspaceOption.REPLICATION, replicationMap).with(KeyspaceOption.DURABLE_WRITES, durableWrites);
    }

    @Test
    public void test() {
      prepare();

      assertPreamble(keyspace, cql);
      assertReplicationMap(replicationMap, cql);
      assertDurableWrites(durableWrites, cql);
    }
  }
}
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