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429 lines
14 KiB
Java
429 lines
14 KiB
Java
package org.tests.update;
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import io.ebean.DB;
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import io.ebean.TransactionalTestCase;
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import io.ebean.test.LoggedSql;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import org.tests.model.basic.Contact;
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import org.tests.model.basic.Customer;
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import org.tests.model.basic.EBasic;
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import org.tests.model.basic.EBasic.Status;
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import org.tests.model.basic.ResetBasicData;
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import javax.persistence.EntityNotFoundException;
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import java.util.*;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.junit.jupiter.api.Assertions.*;
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public class TestStatelessUpdate extends TransactionalTestCase {
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@BeforeAll
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static void before() {
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ResetBasicData.reset();
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}
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@Test
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public void test() {
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EBasic e = new EBasic();
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e.setName("something");
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e.setStatus(Status.NEW);
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e.setDescription("wow");
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DB.save(e);
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// confirm saved as expected
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EBasic original = DB.find(EBasic.class, e.getId());
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assertEquals(e.getId(), original.getId());
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assertEquals(e.getName(), original.getName());
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assertEquals(e.getStatus(), original.getStatus());
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assertEquals(e.getDescription(), original.getDescription());
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// test updating just the name
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EBasic updateNameOnly = new EBasic();
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updateNameOnly.setId(e.getId());
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updateNameOnly.setName("updateNameOnly");
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LoggedSql.start();
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DB.update(updateNameOnly);
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List<String> sql = LoggedSql.collect();
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original = DB.find(EBasic.class, e.getId());
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assertEquals(e.getStatus(), original.getStatus());
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assertEquals(e.getDescription(), original.getDescription());
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assertEquals(updateNameOnly.getName(), original.getName());
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assertThat(sql).hasSize(1);
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assertThat(sql.get(0)).contains("update e_basic set name=? where id=?; -- bind(updateNameOnly");
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LoggedSql.collect();
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// test setting null
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EBasic updateWithNull = new EBasic();
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updateWithNull.setId(e.getId());
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updateWithNull.setName("updateWithNull");
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updateWithNull.setDescription(null);
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DB.update(updateWithNull);
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sql = LoggedSql.stop();
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// name and description changed (using null)
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original = DB.find(EBasic.class, e.getId());
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assertEquals(e.getStatus(), original.getStatus());
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assertEquals(updateWithNull.getName(), original.getName());
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assertNull(original.getDescription());
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assertThat(sql).hasSize(1);
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assertThat(sql.get(0)).contains("update e_basic set name=?, description=? where id=?; -- bind(updateWithNull,null,");
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}
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@Test
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public void update_NoRowsUpdated_expect_EntityNotFoundException() {
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EBasic basic = new EBasic();
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basic.setId(999999999);
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basic.setName("something");
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basic.setStatus(Status.ACTIVE);
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assertThrows(EntityNotFoundException.class, () -> DB.update(basic));
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}
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@Test
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public void delete_NoRowsDeleted_expect_false() {
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EBasic basic = new EBasic();
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basic.setId(999999999);
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basic.setName("something");
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basic.setStatus(Status.ACTIVE);
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assertThat(DB.delete(basic)).isFalse();
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}
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/**
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* I am expecting that Ebean detects there aren't any changes and don't execute any query.
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* Currently a {@link javax.persistence.PersistenceException} with message 'Invalid value "null" for parameter "SQL"' is thrown.
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*/
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@Test
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public void testWithoutChangesAndIgnoreNullValues() {
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// arrange
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EBasic basic = new EBasic();
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basic.setName("something");
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basic.setStatus(Status.NEW);
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basic.setDescription("wow");
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DB.save(basic);
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LoggedSql.start();
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// act
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EBasic basicWithoutChanges = new EBasic();
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basicWithoutChanges.setId(basic.getId());
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DB.update(basicWithoutChanges);
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// assert no update executed
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final List<String> sql = LoggedSql.stop();
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assertThat(sql).isEmpty();
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}
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/**
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* Nice to have:
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* <br />
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* Assuming we have a Version column, it will always be generated an Update despite we have nothing to update.
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* It would be nice that this would be recognized and no update would happen.
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* <br />
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* <br />
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* This feature already works for normal Updates!
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* <br />
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* see: {@link org.tests.update.TestUpdatePartial#testWithoutChangesAndVersionColumn()}
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*/
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@Test
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public void testWithoutChangesAndVersionColumnAndIgnoreNullValues() {
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// arrange
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Customer customer = new Customer();
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customer.setName("something");
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DB.save(customer);
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LoggedSql.start();
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// act
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Customer customerWithoutChanges = new Customer();
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customerWithoutChanges.setId(customer.getId());
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DB.update(customerWithoutChanges);
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final List<String> sql = LoggedSql.stop();
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Customer result = DB.find(Customer.class, customer.getId());
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assertThat(result.getUpdtime()).isEqualToIgnoringMillis(customer.getUpdtime());
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assertThat(sql).isEmpty();
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}
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/**
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* Many relations mustn't be deleted when they are not loaded.
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*/
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@Test
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public void testStatelessUpdateIgnoreNullCollection() {
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// arrange
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Contact contact = new Contact();
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contact.setFirstName("wobu :P");
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Customer customer = new Customer();
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customer.setName("something");
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customer.setContacts(new ArrayList<>());
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customer.getContacts().add(contact);
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DB.save(customer);
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// act
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Customer customerWithChange = new Customer();
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customerWithChange.setId(customer.getId());
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customerWithChange.setName("new name");
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// contacts is not loaded
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assertFalse(containsContacts(customerWithChange));
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LoggedSql.start();
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DB.update(customerWithChange);
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final List<String> sql = LoggedSql.stop();
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Customer result = DB.find(Customer.class, customer.getId());
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// assert null list was ignored (missing children not deleted)
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assertNotNull(result.getContacts());
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assertFalse(result.getContacts().isEmpty());
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assertThat(sql).hasSize(1);
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assertThat(sql.get(0)).contains("update o_customer set name=?, updtime=? where id=?;");
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}
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/**
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* When BeanCollection is inadvertantly initialised and empty then ignore it
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* Specifically a non-BeanCollection (like ArrayList) is not ignored in terms
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* of deleting missing children.
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*/
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@Test
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public void testStatelessUpdateIgnoreEmptyBeanCollection() {
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// arrange
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Contact contact = new Contact();
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contact.setFirstName("wobu :P");
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Customer customer = new Customer();
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customer.setName("something");
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customer.setContacts(new ArrayList<>());
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customer.getContacts().add(contact);
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DB.save(customer);
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// act
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Customer customerWithChange = new Customer();
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customerWithChange.setId(customer.getId());
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customerWithChange.setName("new name");
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// with Ebean enhancement this loads the an empty contacts BeanList
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customerWithChange.getContacts();
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// contacts has been initialised to empty BeanList
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assertTrue(containsContacts(customerWithChange));
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LoggedSql.start();
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DB.update(customerWithChange);
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final List<String> sql = LoggedSql.stop();
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Customer result = DB.find(Customer.class, customer.getId());
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// assert empty bean list was ignore (missing children not deleted)
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assertNotNull(result.getContacts());
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assertFalse(result.getContacts().isEmpty());
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assertThat(sql).hasSize(1);
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assertThat(sql.get(0)).contains("update o_customer set name=?, updtime=? where id=?;");
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}
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@Test
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public void testStatelessUpdateDeleteChildrenForNonBeanCollection() {
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// arrange
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Contact contact = new Contact();
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contact.setFirstName("wobu :P");
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Customer customer = new Customer();
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customer.setName("something");
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customer.setContacts(new ArrayList<>());
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customer.getContacts().add(contact);
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DB.save(customer);
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// act
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Customer customerWithChange = new Customer();
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customerWithChange.setId(customer.getId());
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customerWithChange.setName("new name");
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// with Ebean enhancement this loads the an empty contacts BeanList
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customerWithChange.setContacts(Collections.<Contact>emptyList());
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assertTrue(containsContacts(customerWithChange));
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LoggedSql.start();
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DB.update(customerWithChange);
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final List<String> sql = LoggedSql.stop();
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Customer result = DB.find(Customer.class, customer.getId());
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// assert empty bean list was ignore (missing children not deleted)
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assertThat(result.getContacts()).hasSize(1);
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assertThat(sql).hasSize(1);
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assertThat(sql.get(0)).contains("update o_customer set name=?, updtime=? where id=?;");
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}
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private boolean containsContacts(Customer cust) {
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return DB.beanState(cust).loadedProps().contains("contacts");
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}
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/**
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* when using stateless updates with recursive calls,
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* the version column shouldn't decide to use insert instead of update,
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* although an ID has been set.
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*/
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@Test
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public void testStatelessRecursiveUpdateWithVersionField() {
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// arrange
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Contact contact1 = new Contact();
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contact1.setLastName("contact1");
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Contact contact2 = new Contact();
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contact2.setLastName("contact2");
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Customer customer = new Customer();
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customer.setName("something");
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customer.getContacts().add(contact1);
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customer.getContacts().add(contact2);
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DB.save(customer);
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// act
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Contact updateContact1 = new Contact();
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updateContact1.setId(contact1.getId());
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Contact updateContact2 = new Contact();
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updateContact2.setId(contact2.getId());
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Customer updateCustomer = new Customer();
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updateCustomer.setId(customer.getId());
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updateCustomer.getContacts().add(updateContact1);
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updateCustomer.getContacts().add(updateContact2);
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LoggedSql.start();
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DB.update(updateCustomer);
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final List<String> sql = LoggedSql.stop();
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// assert
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assertThat(sql).hasSize(1);
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assertThat(sql.get(0)).contains("update o_customer set updtime=? where id=?;");
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}
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@Test
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public void testStatelessRecursiveUpdateWithChangesInDetailOnly() {
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// arrange
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Contact contact1 = new Contact();
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contact1.setLastName("contact1");
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Contact contact2 = new Contact();
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contact2.setLastName("contact2");
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Customer customer = new Customer();
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customer.setName("something");
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customer.getContacts().add(contact1);
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customer.getContacts().add(contact2);
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DB.save(customer);
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// act
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Contact updateContact1 = new Contact();
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updateContact1.setId(contact1.getId());
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updateContact1.setLastName("contact1-changed");
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Contact updateContact3 = new Contact();
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updateContact3.setLastName("contact3-added");
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Customer updateCustomer = new Customer();
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updateCustomer.setId(customer.getId());
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updateCustomer.getContacts().add(updateContact1);
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updateCustomer.getContacts().add(updateContact3);
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LoggedSql.start();
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DB.update(updateCustomer);
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final List<String> sql = LoggedSql.stop();
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assertThat(sql).hasSize(5);
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assertThat(sql.get(0)).contains("update o_customer set updtime=? where id=?");
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assertThat(sql.get(1)).contains("insert into contact");
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assertThat(sql.get(2)).contains(" -- bind(");
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assertThat(sql.get(3)).contains("update contact set last_name=?, customer_id=? where id=?");
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assertThat(sql.get(4)).contains(" -- bind(");
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// assert
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Customer assCustomer = DB.find(Customer.class, customer.getId());
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List<Contact> assContacts = assCustomer.getContacts();
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assertThat(assContacts).hasSize(3);
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Set<Integer> ids = new LinkedHashSet<>();
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Set<String> names = new LinkedHashSet<>();
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for (Contact contact : assContacts) {
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ids.add(contact.getId());
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names.add(contact.getLastName());
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}
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assertThat(ids).contains(contact1.getId(), updateContact3.getId(), contact2.getId());
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assertThat(names).contains(updateContact1.getLastName(), updateContact3.getLastName());
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}
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@Test
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public void testStatelessRecursiveUpdateWithChangesInDetailOnlyAnd() {
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// arrange
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Contact contact1 = new Contact();
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contact1.setLastName("contact1");
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Contact contact2 = new Contact();
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contact2.setLastName("contact2");
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Customer customer = new Customer();
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customer.setName("something");
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customer.getContacts().add(contact1);
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customer.getContacts().add(contact2);
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DB.save(customer);
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// act
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Contact updateContact1 = new Contact();
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updateContact1.setId(contact1.getId());
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updateContact1.setLastName("contact1-changed");
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Contact updateContact3 = new Contact();
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updateContact3.setLastName("contact3-added");
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Customer updateCustomer = new Customer();
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updateCustomer.setId(customer.getId());
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updateCustomer.getContacts().add(updateContact1);
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updateCustomer.getContacts().add(updateContact3);
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// not adding contact2 but it won't be deleted in this case
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LoggedSql.start();
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DB.update(updateCustomer);
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final List<String> sql = LoggedSql.stop();
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assertThat(sql).hasSize(5);
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assertThat(sql.get(0)).contains("update o_customer set updtime=? where id=?");
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assertThat(sql.get(1)).contains("insert into contact");
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assertThat(sql.get(2)).contains(" -- bind(");
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assertThat(sql.get(3)).contains("update contact set last_name=?, customer_id=? where id=?");
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assertThat(sql.get(4)).contains(" -- bind(");
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// assert
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Customer assCustomer = DB.find(Customer.class, customer.getId());
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List<Contact> assContacts = assCustomer.getContacts();
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// contact 2 was not deleted this time
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assertEquals(3, assContacts.size());
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Set<Integer> ids = new LinkedHashSet<>();
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Set<String> names = new LinkedHashSet<>();
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for (Contact contact : assContacts) {
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ids.add(contact.getId());
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names.add(contact.getLastName());
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}
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assertThat(ids).contains(contact1.getId(), updateContact3.getId(), contact2.getId());
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assertThat(names).contains(updateContact1.getLastName(), contact2.getLastName(), updateContact3.getLastName());
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}
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}
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