contrib/storage-cassandra/src/test/java/org/apache/drill/exec/store/cassandra/CassandraUserTranslationTest.java

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 * to you under the Apache License, Version 2.0 (the
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package org.apache.drill.exec.store.cassandra;

import org.apache.drill.categories.SlowTest;
import org.apache.drill.common.config.DrillProperties;
import org.apache.drill.common.exceptions.UserRemoteException;
import org.apache.drill.exec.physical.rowSet.RowSet;
import org.apache.drill.test.ClientFixture;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import static org.apache.drill.exec.rpc.user.security.testing.UserAuthenticatorTestImpl.ADMIN_USER;
import static org.apache.drill.exec.rpc.user.security.testing.UserAuthenticatorTestImpl.ADMIN_USER_PASSWORD;
import static org.apache.drill.exec.rpc.user.security.testing.UserAuthenticatorTestImpl.TEST_USER_1;
import static org.apache.drill.exec.rpc.user.security.testing.UserAuthenticatorTestImpl.TEST_USER_1_PASSWORD;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;

@Category({SlowTest.class})
public class CassandraUserTranslationTest extends BaseCassandraTest {
  @Test
  public void testInfoSchemaQueryWithMissingCredentials() throws Exception {
    // This test validates that the correct credentials are sent down to Cassandra.
    // This user should not see the ut_cassandra because they do not have valid credentials.
    ClientFixture client = cluster
        .clientBuilder()
        .property(DrillProperties.USER, ADMIN_USER)
        .property(DrillProperties.PASSWORD, ADMIN_USER_PASSWORD)
        .build();

    String sql = "SHOW DATABASES WHERE schema_name LIKE '%cassandra%'";

    RowSet results = client.queryBuilder().sql(sql).rowSet();
    assertEquals(1, results.rowCount());
    results.clear();
  }

  @Test
  public void testInfoSchemaQueryWithValidCredentials() throws Exception {
    // This test validates that the cassandra connection with user translation appears when the user is
    // authenticated.
    ClientFixture client = cluster
        .clientBuilder()
        .property(DrillProperties.USER, TEST_USER_1)
        .property(DrillProperties.PASSWORD, TEST_USER_1_PASSWORD)
        .build();

    String sql = "SHOW DATABASES WHERE schema_name LIKE '%cassandra%'";

    RowSet results = client.queryBuilder().sql(sql).rowSet();
    assertEquals(2, results.rowCount());
    results.clear();
  }

  @Test
  public void testCassandraQueryWithUserTranslation() throws Exception {
    ClientFixture client = cluster
        .clientBuilder()
        .property(DrillProperties.USER, TEST_USER_1)
        .property(DrillProperties.PASSWORD, TEST_USER_1_PASSWORD)
        .build();

    String sql = "select * from ut_cassandra.test_keyspace.`employee` order by employee_id";
    RowSet results = client.queryBuilder().sql(sql).rowSet();
    assertEquals(10, results.rowCount());
    results.clear();
  }

  @Test
  public void testCassandraQueryWithUserTranslationAndInvalidCredentials() throws Exception {
    ClientFixture client = cluster
        .clientBuilder()
        .property(DrillProperties.USER, ADMIN_USER)
        .property(DrillProperties.PASSWORD, ADMIN_USER_PASSWORD)
        .build();

    String sql = "select * from ut_cassandra.test_keyspace.`employee` order by employee_id";
    try {
      client.queryBuilder().sql(sql).rowSet();
      fail();
    } catch (UserRemoteException e) {
      assertTrue(e.getMessage().contains("Schema [[ut_cassandra, test_keyspace]] is not valid"));
    }
  }
}