/*
 * 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
 * limitations under the License.
 */
package org.apache.phoenix.end2end;

import static org.apache.phoenix.exception.SQLExceptionCode.OPERATION_TIMED_OUT;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import org.apache.phoenix.util.EnvironmentEdge;
import org.apache.phoenix.util.EnvironmentEdgeManager;
import org.junit.Test;
import org.junit.experimental.categories.Category;

@Category(ParallelStatsDisabledTest.class)
public class OperationTimeoutWithReasonIT extends ParallelStatsDisabledIT {

  private static final class MyClock extends EnvironmentEdge {
    private long time;
    private final long delay;

    public MyClock(long time, long delay) {
      this.time = time;
      this.delay = delay;
    }

    @Override
    public long currentTime() {
      long currentTime = this.time;
      this.time += this.delay;
      return currentTime;
    }
  }

  @Test
  public void testOperationTimeout() throws SQLException {
    final String tableName = generateUniqueName();
    final String ddl =
      "CREATE TABLE " + tableName + " (COL1 VARCHAR NOT NULL PRIMARY KEY, COL2 VARCHAR)";
    try (Connection conn = DriverManager.getConnection(getUrl());
      Statement stmt = conn.createStatement()) {
      stmt.execute(ddl);
      final String dml = String.format("UPSERT INTO %s VALUES (?, ?)", tableName);
      try (PreparedStatement prepStmt = conn.prepareStatement(dml)) {
        for (int i = 1; i <= 100; i++) {
          prepStmt.setString(1, "key" + i);
          prepStmt.setString(2, "value" + i);
          prepStmt.executeUpdate();
        }
      }
      conn.commit();
    }

    try (Connection conn = DriverManager.getConnection(getUrl());
      Statement stmt = conn.createStatement()) {
      stmt.setQueryTimeout(5); // 5 sec
      ResultSet rs = stmt.executeQuery(String.format("SELECT * FROM %s", tableName));
      // Use custom EnvironmentEdge to timeout query with a longer delay in ms
      MyClock clock = new MyClock(10, 10000);
      EnvironmentEdgeManager.injectEdge(clock);
      try {
        rs.next();
        fail();
      } catch (SQLException e) {
        assertEquals(OPERATION_TIMED_OUT.getErrorCode(), e.getErrorCode());
        assertTrue(e.getMessage()
          .contains("Query couldn't be " + "completed in the allotted time: 5000 ms"));
      }
    } finally {
      EnvironmentEdgeManager.reset();
    }
  }

}
