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| 1 | +/* |
| 2 | + * Hibernate, Relational Persistence for Idiomatic Java |
| 3 | + * |
| 4 | + * License: GNU Lesser General Public License (LGPL), version 2.1 or later. |
| 5 | + * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>. |
| 6 | + */ |
| 7 | +package org.hibernate.envers.test.integration.collection; |
| 8 | + |
| 9 | +import java.util.Arrays; |
| 10 | +import java.util.List; |
| 11 | + |
| 12 | +import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase; |
| 13 | +import org.hibernate.envers.test.Priority; |
| 14 | +import org.hibernate.envers.test.entities.collection.StringListEntity; |
| 15 | +import org.hibernate.envers.test.entities.collection.StringMapEntity; |
| 16 | +import org.hibernate.envers.test.entities.collection.StringSetEntity; |
| 17 | +import org.hibernate.envers.test.tools.TestTools; |
| 18 | +import org.junit.Test; |
| 19 | + |
| 20 | +import org.hibernate.testing.TestForIssue; |
| 21 | + |
| 22 | +import static org.hibernate.testing.transaction.TransactionUtil.doInJPA; |
| 23 | +import static org.junit.Assert.assertEquals; |
| 24 | + |
| 25 | +/** |
| 26 | + * @author Chris Cranford |
| 27 | + */ |
| 28 | +@TestForIssue(jiraKey = "HHH-11901") |
| 29 | +public class CollectionNullValueTest extends BaseEnversJPAFunctionalTestCase { |
| 30 | + private Integer mapId; |
| 31 | + private Integer listId; |
| 32 | + private Integer setId; |
| 33 | + |
| 34 | + @Override |
| 35 | + protected Class<?>[] getAnnotatedClasses() { |
| 36 | + return new Class<?>[] { StringMapEntity.class, StringListEntity.class, StringSetEntity.class }; |
| 37 | + } |
| 38 | + |
| 39 | + @Test |
| 40 | + @Priority(10) |
| 41 | + public void initData() { |
| 42 | + // Persist map with null values |
| 43 | + mapId = doInJPA( this::entityManagerFactory, entityManager -> { |
| 44 | + final StringMapEntity sme = new StringMapEntity(); |
| 45 | + sme.getStrings().put( "A", "B" ); |
| 46 | + sme.getStrings().put( "B", null ); |
| 47 | + entityManager.persist( sme ); |
| 48 | + |
| 49 | + return sme.getId(); |
| 50 | + } ); |
| 51 | + |
| 52 | + // Update map with null values |
| 53 | + doInJPA( this::entityManagerFactory, entityManager -> { |
| 54 | + final StringMapEntity sme = entityManager.find( StringMapEntity.class, mapId ); |
| 55 | + sme.getStrings().put( "C", null ); |
| 56 | + sme.getStrings().put( "D", "E" ); |
| 57 | + sme.getStrings().remove( "A" ); |
| 58 | + entityManager.merge( sme ); |
| 59 | + } ); |
| 60 | + |
| 61 | + // Persist list with null values |
| 62 | + listId = doInJPA( this::entityManagerFactory, entityManager -> { |
| 63 | + final StringListEntity sle = new StringListEntity(); |
| 64 | + sle.getStrings().add( "A" ); |
| 65 | + sle.getStrings().add( null ); |
| 66 | + entityManager.persist( sle ); |
| 67 | + |
| 68 | + return sle.getId(); |
| 69 | + } ); |
| 70 | + |
| 71 | + // Update list with null values |
| 72 | + doInJPA( this::entityManagerFactory, entityManager -> { |
| 73 | + final StringListEntity sle = entityManager.find( StringListEntity.class, listId ); |
| 74 | + sle.getStrings().add( null ); |
| 75 | + sle.getStrings().add( "D" ); |
| 76 | + sle.getStrings().remove( "A" ); |
| 77 | + entityManager.merge( sle ); |
| 78 | + } ); |
| 79 | + |
| 80 | + // Persist set with null values |
| 81 | + setId = doInJPA( this::entityManagerFactory, entityManager -> { |
| 82 | + final StringSetEntity sse = new StringSetEntity(); |
| 83 | + sse.getStrings().add( "A" ); |
| 84 | + sse.getStrings().add( null ); |
| 85 | + entityManager.persist( sse ); |
| 86 | + |
| 87 | + return sse.getId(); |
| 88 | + } ); |
| 89 | + |
| 90 | + // Update set with null values |
| 91 | + doInJPA( this::entityManagerFactory, entityManager -> { |
| 92 | + final StringSetEntity sse = entityManager.find( StringSetEntity.class, setId ); |
| 93 | + sse.getStrings().add( null ); |
| 94 | + sse.getStrings().add( "D" ); |
| 95 | + sse.getStrings().remove( "A" ); |
| 96 | + entityManager.merge( sse ); |
| 97 | + } ); |
| 98 | + } |
| 99 | + |
| 100 | + @Test |
| 101 | + public void testStringMapHistory() { |
| 102 | + final List<Number> revisions = getAuditReader().getRevisions( StringMapEntity.class, mapId ); |
| 103 | + assertEquals( Arrays.asList( 1, 2 ), revisions ); |
| 104 | + |
| 105 | + final StringMapEntity rev1 = getAuditReader().find( StringMapEntity.class, mapId, 1 ); |
| 106 | + assertEquals( TestTools.makeMap( "A", "B" ), rev1.getStrings() ); |
| 107 | + |
| 108 | + final StringMapEntity rev2 = getAuditReader().find( StringMapEntity.class, mapId, 2 ); |
| 109 | + assertEquals( TestTools.makeMap( "D", "E" ), rev2.getStrings() ); |
| 110 | + } |
| 111 | + |
| 112 | + @Test |
| 113 | + public void testStringListHistory() { |
| 114 | + final List<Number> revisions = getAuditReader().getRevisions( StringListEntity.class, listId ); |
| 115 | + assertEquals( Arrays.asList( 3, 4 ), revisions ); |
| 116 | + |
| 117 | + final StringListEntity rev3 = getAuditReader().find( StringListEntity.class, listId, 3 ); |
| 118 | + assertEquals( TestTools.makeList( "A" ), rev3.getStrings() ); |
| 119 | + |
| 120 | + // NOTE: the only reason this assertion expects a null element is because the collection is indexed. |
| 121 | + // ORM will return a list that consists of { null, "D" } and Envers should effectively mimic that. |
| 122 | + final StringListEntity rev4 = getAuditReader().find( StringListEntity.class, listId, 4 ); |
| 123 | + assertEquals( TestTools.makeList( null, "D" ), rev4.getStrings() ); |
| 124 | + } |
| 125 | + |
| 126 | + @Test |
| 127 | + public void testStringSetHistory() { |
| 128 | + final List<Number> revisions = getAuditReader().getRevisions( StringSetEntity.class, setId ); |
| 129 | + assertEquals( Arrays.asList( 5, 6 ), revisions ); |
| 130 | + |
| 131 | + final StringSetEntity rev5 = getAuditReader().find( StringSetEntity.class, setId, 5 ); |
| 132 | + assertEquals( TestTools.makeSet( "A" ), rev5.getStrings() ); |
| 133 | + |
| 134 | + final StringSetEntity rev6 = getAuditReader().find( StringSetEntity.class, setId, 6 ); |
| 135 | + assertEquals( TestTools.makeSet( "D" ), rev6.getStrings() ); |
| 136 | + } |
| 137 | + |
| 138 | +} |
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