#1221 - ENH: Add a merge(bean) and merge(bean, paths)

2024-04-21 10:51:47 +00:00 · 2018-03-13 23:55:47 +13:00
parent 607cf3156c
commit afead2da41
37 changed files with 1804 additions and 66 deletions
@@ -0,0 +1,117 @@
+package org.tests.merge;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import io.ebean.MergeOptions;
+import io.ebean.MergeOptionsBuilder;
+import org.ebeantest.LoggedSqlCollector;
+import org.junit.Test;
+import org.tests.model.basic.UUOne;
+import org.tests.model.basic.UUTwo;
+
+import java.util.List;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestMergeBasic extends BaseTestCase {
+
+
+  private UUOne rebuildViaJson(UUOne input) {
+    String asJson = Ebean.json().toJson(input);
+    return Ebean.json().toBean(UUOne.class, asJson);
+  }
+
+  private UUOne build() {
+    UUOne uuOne = buildGraph();
+    Ebean.save(uuOne);
+    return rebuildViaJson(uuOne);
+  }
+
+  @Test
+  public void with_setClientGeneratedIds_expect_noDifferenceWithToMany() {
+
+    UUOne one = build();
+
+    one.setDescription("mod");
+    List<UUTwo> comments = one.getComments();
+    comments.remove(0);
+    comments.add(0, new UUTwo("twoMore", UUID.randomUUID()));
+    comments.add(new UUTwo("twoExtra", UUID.randomUUID()));
+
+    MergeOptions options = new MergeOptionsBuilder()
+      .addPath("comments")
+      .setClientGeneratedIds()
+      .build();
+
+    LoggedSqlCollector.start();
+    Ebean.merge(one, options);
+
+
+    List<String> sql = LoggedSqlCollector.stop();
+    // fetch the Ids ... used to identity inserts, updates and deletes
+    assertThat(sql.get(0)).contains("select t0.id, t1.id from uuone t0 left join uutwo t1 on t1.master_id = t0.id  where t0.id = ?");
+
+    // deletes of Ids that are no longer in the graph
+    assertThat(sql.get(1)).contains("delete from uutwo where id=?");
+
+    // cascade persist ... master
+    assertThat(sql.get(2)).contains("update uuone set name=?, description=?, version=? where id=? and version=?");
+
+    // persist children ...
+    assertThat(sql.get(3)).contains("insert into uutwo (id, name, notes, version, master_id) values (?,?,?,?,?);");
+    assertThat(sql.get(4)).contains("insert into uutwo (id, name, notes, version, master_id) values (?,?,?,?,?);");
+
+    assertThat(sql.get(5)).contains("update uutwo set name=?, notes=?, version=?, master_id=? where id=? and version=?");
+    assertThat(sql.get(6)).contains("update uutwo set name=?, notes=?, version=?, master_id=? where id=? and version=?");
+    assertThat(sql.get(7)).contains("update uutwo set name=?, notes=?, version=?, master_id=? where id=? and version=?");
+  }
+
+  @Test
+  public void test() {
+
+    UUOne one = build();
+    one.setDescription("mod");
+
+    List<UUTwo> comments = one.getComments();
+    comments.remove(0);
+    comments.add(0, new UUTwo("twoMore", UUID.randomUUID()));
+    comments.add(new UUTwo("twoExtra", UUID.randomUUID()));
+
+    MergeOptions options = new MergeOptionsBuilder()
+      .addPath("comments")
+      .build();
+
+    LoggedSqlCollector.start();
+    Ebean.merge(one, options);
+
+
+    List<String> sql = LoggedSqlCollector.stop();
+    // fetch the Ids ... used to identity inserts, updates and deletes
+    assertThat(sql.get(0)).contains("select t0.id, t1.id from uuone t0 left join uutwo t1 on t1.master_id = t0.id  where t0.id = ?");
+
+    // deletes of Ids that are no longer in the graph
+    assertThat(sql.get(1)).contains("delete from uutwo where id=?");
+
+    // cascade persist ... master
+    assertThat(sql.get(2)).contains("update uuone set name=?, description=?, version=? where id=? and version=?");
+
+    // persist children ...
+    assertThat(sql.get(3)).contains("insert into uutwo (id, name, notes, version, master_id) values (?,?,?,?,?);");
+    assertThat(sql.get(4)).contains("insert into uutwo (id, name, notes, version, master_id) values (?,?,?,?,?);");
+
+    assertThat(sql.get(5)).contains("update uutwo set name=?, notes=?, version=?, master_id=? where id=? and version=?");
+    assertThat(sql.get(6)).contains("update uutwo set name=?, notes=?, version=?, master_id=? where id=? and version=?");
+    assertThat(sql.get(7)).contains("update uutwo set name=?, notes=?, version=?, master_id=? where id=? and version=?");
+
+  }
+
+  private UUOne buildGraph() {
+    UUOne one = new UUOne("one1", UUID.randomUUID());
+    for (int i = 1; i < 5; i++) {
+      UUTwo two = new UUTwo("two" + i, UUID.randomUUID());
+      one.getComments().add(two);
+    }
+    return one;
+  }
+}