content: /*
   * Copyright (c) 2015, 2021, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package testsuite.x.devapi;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  import static org.junit.jupiter.api.Assumptions.assumeTrue;
  
  import java.util.concurrent.Callable;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import com.mysql.cj.ServerVersion;
  import com.mysql.cj.conf.PropertyDefinitions;
  import com.mysql.cj.xdevapi.Collection;
  import com.mysql.cj.xdevapi.XDevAPIError;
  
  public class TransactionTest extends DevApiBaseTestCase {
      protected Collection collection;
  
      @BeforeEach
      public void setupCollectionTest() {
          assumeTrue(this.isSetForXTests, PropertyDefinitions.SYSP_testsuite_url_mysqlx + " must be set to run this test.");
          if (setupTestSession()) {
              dropCollection("txTest");
              this.collection = this.schema.createCollection("txTest");
          }
      }
  
      @AfterEach
      public void teardownCollectionTest() {
          if (this.isSetForXTests) {
              dropCollection("txTest");
              destroyTestSession();
          }
      }
  
      @Test
      public void basicRollback() {
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"1\"}").add("{\"_id\": \"2\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").add("{}").execute();
          }
          this.session.startTransaction();
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"3\"}").add("{\"_id\": \"4\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").add("{}").execute();
          }
          assertEquals(4, this.collection.find().execute().count());
          this.session.rollback();
  
          assertEquals(2, this.collection.find().execute().count());
      }
  
      @Test
      public void basicCommit() {
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"1\"}").add("{\"_id\": \"2\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").add("{}").execute();
          }
          this.session.startTransaction();
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"3\"}").add("{\"_id\": \"4\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").add("{}").execute();
          }
          assertEquals(4, this.collection.find().execute().count());
          this.session.commit();
  
          assertEquals(4, this.collection.find().execute().count());
      }
  
      @Test
      public void basicSavepoint() {
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"1\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").execute();
          }
  
          // Test for rollbackTo
  
          this.session.startTransaction();
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"2\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").execute();
          }
  
          String sp1 = this.session.setSavepoint();
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"3\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").execute();
          }
  
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.setSavepoint(null);
                  return null;
              }
          });
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.setSavepoint("");
                  return null;
              }
          });
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.setSavepoint("");
                  return null;
              }
          });
  
          String sp2 = this.session.setSavepoint("sp2");
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"4\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").execute();
          }
  
          assertEquals(4, this.collection.find().execute().count());
  
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.rollbackTo(null);
                  return null;
              }
          });
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.rollbackTo("");
                  return null;
              }
          });
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.rollbackTo("");
                  return null;
              }
          });
  
          this.session.rollbackTo(sp1);
  
          assertEquals(2, this.collection.find().execute().count());
  
          try {
              this.session.rollbackTo(sp2);
              fail("Error is expected here because 'sp2' savepoint should not exist at this point.");
          } catch (Exception e) {
              assertTrue(e.getMessage().contains("SAVEPOINT sp2 does not exist"));
          }
  
          this.session.commit();
  
          assertEquals(2, this.collection.find().execute().count());
  
          // Test for releaseSavepoint
  
          this.session.startTransaction();
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"5\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").execute();
          }
  
          sp1 = this.session.setSavepoint();
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"6\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").execute();
          }
  
          sp2 = this.session.setSavepoint("sp2");
          if (!mysqlVersionMeetsMinimum(ServerVersion.parseVersion("8.0.5"))) {
              this.collection.add("{\"_id\": \"7\"}").execute(); // Requires manual _id.
          } else {
              this.collection.add("{}").execute();
          }
  
          assertEquals(5, this.collection.find().execute().count());
  
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.releaseSavepoint(null);
                  return null;
              }
          });
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.releaseSavepoint("");
                  return null;
              }
          });
          assertThrows(XDevAPIError.class, "Parameter 'name' must not be null or empty.", new Callable<Void>() {
              public Void call() throws Exception {
                  TransactionTest.this.session.releaseSavepoint("");
                  return null;
              }
          });
  
          this.session.releaseSavepoint(sp2);
  
          assertEquals(5, this.collection.find().execute().count());
  
          try {
              this.session.rollbackTo(sp2);
              fail("Error is expected here because 'sp2' savepoint should not exist at this point.");
          } catch (Exception e) {
              assertTrue(e.getMessage().contains("SAVEPOINT sp2 does not exist"), e.getMessage());
          }
  
          this.session.rollbackTo(sp1);
  
          this.session.commit();
  
          assertEquals(3, this.collection.find().execute().count());
      }
  }
  