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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
 * limitations under the License.
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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.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertEquals;
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) {
      assertThat(e.getMessage(), containsString("Object 'ut_cassandra' not found"));
    }
  }
}