cassandra-analytics-core/src/test/java/org/apache/cassandra/spark/data/partitioner/ConsistencyLevelTests.java

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 * to you under the Apache License, Version 2.0 (the
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 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cassandra.spark.data.partitioner;

import com.google.common.collect.ImmutableMap;
import org.junit.Test;

import org.apache.cassandra.spark.data.ReplicationFactor;

import static org.junit.Assert.assertEquals;

public class ConsistencyLevelTests
{
    @Test
    public void testSimpleStrategy()
    {
        assertEquals(1, ConsistencyLevel.ONE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.SimpleStrategy,
                                      ImmutableMap.of("replication_factor", 3)), null));
        assertEquals(1, ConsistencyLevel.ONE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.SimpleStrategy,
                                      ImmutableMap.of("replication_factor", 1)), null));
        assertEquals(2, ConsistencyLevel.TWO.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.SimpleStrategy,
                                      ImmutableMap.of("replication_factor", 3)), null));
        assertEquals(3, ConsistencyLevel.THREE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.SimpleStrategy,
                                      ImmutableMap.of("replication_factor", 3)), null));
        assertEquals(1, ConsistencyLevel.LOCAL_ONE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.SimpleStrategy,
                                      ImmutableMap.of("replication_factor", 3)), null));
        assertEquals(2, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.SimpleStrategy,
                                      ImmutableMap.of("replication_factor", 3)), null));
        assertEquals(3, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.SimpleStrategy,
                                      ImmutableMap.of("replication_factor", 5)), null));
    }

    @Test
    public void testNetworkTopolgyStrategy()
    {
        assertEquals(1, ConsistencyLevel.ONE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3)), null));
        assertEquals(1, ConsistencyLevel.ONE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 1)), null));
        assertEquals(2, ConsistencyLevel.TWO.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3)), null));
        assertEquals(3, ConsistencyLevel.THREE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3)), null));
        assertEquals(1, ConsistencyLevel.LOCAL_ONE.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3)), null));
        assertEquals(2, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3)), "DC1"));
        assertEquals(3, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 5)), "DC1"));
        assertEquals(2, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3)), null));
        assertEquals(3, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 5)), null));

        assertEquals(2, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3, "DC2", 5, "DC3", 4)), "DC1"));
        assertEquals(3, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3, "DC2", 5, "DC3", 4)), "DC2"));
        assertEquals(3, ConsistencyLevel.LOCAL_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3, "DC2", 5, "DC3", 4)), "DC3"));

        assertEquals(5, ConsistencyLevel.EACH_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3, "DC2", 5)), null));
        assertEquals(8, ConsistencyLevel.EACH_QUORUM.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 3, "DC2", 5, "DC3", 4)), null));

        assertEquals(5, ConsistencyLevel.ALL.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 5)), null));
        assertEquals(10, ConsistencyLevel.ALL.blockFor(
                new ReplicationFactor(ReplicationFactor.ReplicationStrategy.NetworkTopologyStrategy,
                                      ImmutableMap.of("DC1", 5, "DC2", 5)), null));
    }
}