#919 - io.ebean package initial

src/test/java/org/tests/softdelete/TestSoftDeleteBasic.java

@@ -0,0 +1,264 @@
+package org.tests.softdelete;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import io.ebean.Query;
+import io.ebean.SqlQuery;
+import io.ebean.SqlRow;
+import org.tests.model.softdelete.EBasicSDChild;
+import org.tests.model.softdelete.EBasicSoftDelete;
+import org.avaje.ebeantest.LoggedSqlCollector;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestSoftDeleteBasic extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("one");
+    Ebean.save(bean);
+
+    Ebean.delete(bean);
+
+    SqlQuery sqlQuery = Ebean.createSqlQuery("select * from ebasic_soft_delete where id=?");
+    sqlQuery.setParameter(1, bean.getId());
+    SqlRow sqlRow = sqlQuery.findUnique();
+    assertThat(sqlRow).isNotNull();
+
+    EBasicSoftDelete findNormal = Ebean.find(EBasicSoftDelete.class)
+      .setId(bean.getId())
+      .findUnique();
+
+    assertThat(findNormal).isNull();
+
+    EBasicSoftDelete findInclude = Ebean.find(EBasicSoftDelete.class)
+      .setId(bean.getId())
+      .setIncludeSoftDeletes()
+      .findUnique();
+
+    assertThat(findInclude).isNotNull();
+  }
+
+  @Test
+  public void testFindSoftDeleted() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("softDelFetch");
+    Ebean.save(bean);
+
+    Ebean.delete(bean);
+
+    Query<EBasicSoftDelete> query = Ebean.find(EBasicSoftDelete.class)
+      .setIncludeSoftDeletes()
+      .where()
+      .eq("deleted", true)
+      .eq("name", "softDelFetch")
+      .query();
+
+    List<EBasicSoftDelete> list = query.findList();
+    assertThat(query.getGeneratedSql()).contains("deleted = ?");
+    assertThat(list).hasSize(1);
+  }
+
+  @Test
+  public void testDeleteById_and_findRowCount() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("two");
+    Ebean.save(bean);
+
+    int rowCountBefore = Ebean.find(EBasicSoftDelete.class).findCount();
+
+    Ebean.delete(EBasicSoftDelete.class, bean.getId());
+
+
+    // -- test .findRowCount()
+
+    LoggedSqlCollector.start();
+    int rowCountAfter = Ebean.find(EBasicSoftDelete.class).findCount();
+
+    List<String> loggedSql = LoggedSqlCollector.stop();
+    assertThat(loggedSql).hasSize(1);
+    assertThat(loggedSql.get(0)).contains("where t0.deleted =");
+
+    assertThat(rowCountAfter).isEqualTo(rowCountBefore - 1);
+
+    // -- test includeSoftDeletes().findRowCount()
+
+    LoggedSqlCollector.start();
+    int rowCountFull = Ebean.find(EBasicSoftDelete.class).setIncludeSoftDeletes().findCount();
+    assertThat(rowCountFull).isGreaterThan(rowCountAfter);
+
+    loggedSql = LoggedSqlCollector.stop();
+    assertThat(loggedSql).hasSize(1);
+    assertThat(loggedSql.get(0)).doesNotContain("where coalesce(t0.deleted,false)=false");
+  }
+
+  @Test
+  public void testDeletePartial() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("partial");
+    Ebean.save(bean);
+
+    // partially loaded bean without deleted state loaded
+    EBasicSoftDelete partial = Ebean.find(EBasicSoftDelete.class)
+      .select("id")
+      .setId(bean.getId())
+      .findUnique();
+
+    LoggedSqlCollector.start();
+    Ebean.delete(partial);
+
+    // check lazy loading isn't invoked (deleted set to true without invoking lazy loading)
+    List<String> loggedSql = LoggedSqlCollector.stop();
+    assertThat(loggedSql).hasSize(2);
+    assertThat(loggedSql.get(0)).contains("update ebasic_sdchild set deleted=");
+    assertThat(loggedSql.get(1)).contains("update ebasic_soft_delete set deleted=? where id=?");
+  }
+
+  @Test
+  public void testCascadeSaveDelete() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("cascadeOne");
+    bean.addChild("child1", 10);
+    bean.addChild("child2", 20);
+    bean.addChild("child3", 30);
+    bean.addNoSoftDeleteChild("nsd1", 101);
+    bean.addNoSoftDeleteChild("nsd2", 102);
+
+    Ebean.save(bean);
+
+    LoggedSqlCollector.start();
+
+    Ebean.delete(bean);
+
+    List<String> loggedSql = LoggedSqlCollector.stop();
+
+    // The children without SoftDelete are left as is (so no third statement)
+    assertThat(loggedSql).hasSize(2);
+
+    // first statement is a single bulk update of the children with SoftDelete
+    assertThat(loggedSql.get(0)).contains("update ebasic_sdchild set deleted=");
+    assertThat(loggedSql.get(0)).contains("where owner_id = ?");
+
+    // second statement is the top level bean
+    assertThat(loggedSql.get(1)).contains("update ebasic_soft_delete set version=?, deleted=? where id=? and version=?");
+
+  }
+
+
+  @Test
+  public void testFetch() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("cascadeOne");
+    bean.addChild("child1", 10);
+    bean.addChild("child2", 20);
+    bean.addChild("child3", 30);
+    bean.addNoSoftDeleteChild("nsd1", 101);
+    bean.addNoSoftDeleteChild("nsd2", 102);
+
+    Ebean.save(bean);
+
+    Ebean.delete(bean.getChildren().get(1));
+
+    LoggedSqlCollector.start();
+
+    Query<EBasicSoftDelete> query1 =
+      Ebean.find(EBasicSoftDelete.class)
+        .fetch("children")
+        .where().eq("id", bean.getId())
+        .query();
+
+    List<EBasicSoftDelete> fetch1 = query1.findList();
+    String generatedSql = query1.getGeneratedSql();
+
+    // first statement is a single bulk update of the children with SoftDelete
+    assertThat(generatedSql).contains("t0.deleted = ");
+    assertThat(generatedSql).contains("t1.deleted = ");
+    assertThat(fetch1.get(0).getChildren()).hasSize(2);
+
+    assertThat(fetch1.get(0).getNosdChildren()).hasSize(2);
+
+
+    // fetch again using lazy loading
+    EBasicSoftDelete fetchWithLazy = Ebean.find(EBasicSoftDelete.class, bean.getId());
+    assertThat(fetchWithLazy.getChildren()).hasSize(2);
+
+    // fetch includeSoftDeletes using lazy loading
+    EBasicSoftDelete fetchAllWithLazy =
+      Ebean.find(EBasicSoftDelete.class)
+        .setId(bean.getId())
+        .where()
+        .setIncludeSoftDeletes()
+        .findUnique();
+
+    assertThat(fetchAllWithLazy.getChildren()).hasSize(3);
+  }
+
+  @Test
+  public void testWhenAllChildrenSoftDeleted() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("softDelChildren");
+    bean.addChild("child1", 10);
+    bean.addChild("child2", 20);
+
+    Ebean.save(bean);
+    Ebean.deleteAll(bean.getChildren());
+
+    Query<EBasicSoftDelete> query = Ebean.find(EBasicSoftDelete.class)
+      .setId(bean.getId())
+      .fetch("children");
+
+    EBasicSoftDelete found = query.findUnique();
+
+    String generatedSql = sqlOf(query);
+
+    if (isPlatformBooleanNative()) {
+      assertThat(generatedSql).contains("left join ebasic_sdchild t1 on t1.owner_id = t0.id and t1.deleted = false");
+      assertThat(generatedSql).contains("t0.deleted = false");
+    } else {
+      assertThat(generatedSql).contains("left join ebasic_sdchild t1 on t1.owner_id = t0.id and t1.deleted = 0");
+      assertThat(generatedSql).contains("t0.deleted = 0");
+    }
+    assertThat(found).isNotNull();
+    assertThat(found.getChildren()).hasSize(0);
+  }
+
+  @Test
+  public void testFetchWithIncludeSoftDeletes() {
+
+    EBasicSoftDelete bean = new EBasicSoftDelete();
+    bean.setName("fetchWithInclude");
+    bean.addChild("child1", 91);
+    bean.addChild("child2", 92);
+
+    Ebean.save(bean);
+
+    EBasicSDChild child0 = bean.getChildren().get(0);
+
+    EBasicSDChild upd = new EBasicSDChild();
+    upd.setId(child0.getId());
+    upd.setDeleted(true);
+    Ebean.update(upd);
+
+    Query<EBasicSoftDelete> query = Ebean.find(EBasicSoftDelete.class)
+      .fetch("children")
+      .setIncludeSoftDeletes()
+      .where().eq("name", "fetchWithInclude")
+      .query();
+
+    List<EBasicSoftDelete> top = query.findList();
+    assertThat(top).hasSize(1);
+    assertThat(top.get(0).getChildren()).hasSize(2);
+
+  }
+}