/*
 * Copyright (C) 2017 Julien Viet
 *
 * 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 io.vertx.pgclient;

import io.vertx.ext.unit.Async;
import io.vertx.ext.unit.TestContext;
import io.vertx.sqlclient.PoolOptions;
import org.junit.Test;

/**
 * @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
 */
public class PgPooledConnectionTest extends PgConnectionTestBase {

  private PgPool pool;

  public PgPooledConnectionTest() {
    connector = handler -> {
      if (pool == null) {
        pool = PgPool.pool(vertx, new PgConnectOptions(options), new PoolOptions().setMaxSize(1));
      }
      pool.getConnection(handler);
    };
  }

  @Override
  public void tearDown(TestContext ctx) {
    if (pool != null) {
      PgPool p = pool;
      pool = null;
      try {
        p.close();
      } catch (IllegalStateException e) {
        // Might be already closed because of testCloseOnUndeploy
      }
    }
    super.tearDown(ctx);
  }

  @Test
  public void testThatPoolReconnect(TestContext ctx) {
  }

  @Test
  public void testTransactionRollbackUnfinishedOnRecycle(TestContext ctx) {
    Async done = ctx.async(2);
    connector.accept(ctx.asyncAssertSuccess(conn1 -> {
      deleteFromTestTable(ctx, conn1, () -> {
        conn1.begin();
        conn1.query("INSERT INTO Test (id, val) VALUES (5, 'some-value')").execute(ctx.asyncAssertSuccess());
        conn1.query("SELECT txid_current()").execute(ctx.asyncAssertSuccess(result -> {
          Long txid1 = result.iterator().next().getLong(0);
          conn1.close();
          // It will be the same connection
          connector.accept(ctx.asyncAssertSuccess(conn2 -> {
            conn2.query("SELECT id FROM Test WHERE id=5").execute(ctx.asyncAssertSuccess(result2 -> {
              ctx.assertEquals(0, result2.size());
              done.countDown();
            }));
            conn2.query("SELECT txid_current()").execute(ctx.asyncAssertSuccess(result2 -> {
              Long txid2 = result.iterator().next().getLong(0);
              ctx.assertEquals(txid1, txid2);
              done.countDown();
            }));
          }));
        }));
      });
    }));
  }
}
