#919 - io.ebean package initial

2024-04-21 10:51:47 +00:00 · 2016-12-11 23:23:22 +13:00
parent 5821dc96b9
commit 971e2dc91b
2134 changed files with 10721 additions and 8652 deletions
@@ -0,0 +1,114 @@
+package io.ebeaninternal.server.expression;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import io.ebean.Query;
+import org.tests.model.basic.Contact;
+import org.tests.model.basic.Customer;
+import org.tests.model.basic.ResetBasicData;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class IsEmptyExpressionQueryTest extends BaseTestCase {
+
+  @Test
+  public void isEmpty() {
+
+    ResetBasicData.reset();
+
+    Query<Customer> query = Ebean.find(Customer.class)
+      .select("id")
+      .where().isEmpty("contacts")
+      .query();
+
+    query.findList();
+    assertThat(sqlOf(query)).contains("select t0.id from o_customer t0 where not exists (select 1 from contact where customer_id = t0.id");
+  }
+
+  @Test
+  public void isNotEmpty() {
+
+    ResetBasicData.reset();
+
+    Query<Customer> query = Ebean.find(Customer.class)
+      .select("id")
+      .where().isNotEmpty("contacts")
+      .query();
+
+    query.findList();
+    assertThat(sqlOf(query)).contains("select t0.id from o_customer t0 where exists (select 1 from contact where customer_id = t0.id");
+  }
+
+  @Test
+  public void isEmpty_contacts() {
+
+    ResetBasicData.reset();
+
+    Query<Contact> query = Ebean.find(Contact.class)
+      .select("id")
+      .where().isEmpty("notes")
+      .query();
+
+    query.findList();
+    assertThat(sqlOf(query)).contains("select t0.id from contact t0 where not exists (select 1 from contact_note where contact_id = t0.id");
+  }
+
+  @Test
+  public void isNotEmpty_contacts() {
+
+    ResetBasicData.reset();
+
+    Query<Contact> query = Ebean.find(Contact.class)
+      .select("id")
+      .where().isNotEmpty("notes")
+      .query();
+
+    query.findList();
+    assertThat(sqlOf(query)).contains("select t0.id from contact t0 where exists (select 1 from contact_note where contact_id = t0.id");
+  }
+
+
+  @Test
+  public void isEmpty_manyToMany() {
+
+    ResetBasicData.reset();
+
+    Query<Contact> query = Ebean.find(Contact.class)
+      .select("id")
+      .where().isEmpty("notes")
+      .query();
+
+    query.findList();
+  }
+
+
+  @Test
+  public void isEmpty_nested() {
+
+    ResetBasicData.reset();
+
+    Query<Customer> query = Ebean.find(Customer.class)
+      .select("id")
+      .where().isEmpty("contacts.notes")
+      .query();
+
+    query.findList();
+    assertThat(sqlOf(query)).contains("select distinct t0.id from o_customer t0 join contact u1 on u1.customer_id = t0.id  where not exists (select 1 from contact_note where contact_id = u1.id)");
+  }
+
+  @Test
+  public void isNotEmpty_nested() {
+
+    ResetBasicData.reset();
+
+    Query<Customer> query = Ebean.find(Customer.class)
+      .select("id")
+      .where().isNotEmpty("contacts.notes")
+      .query();
+
+    query.findList();
+    assertThat(sqlOf(query)).contains("select distinct t0.id from o_customer t0 join contact u1 on u1.customer_id = t0.id  where exists (select 1 from contact_note where contact_id = u1.id)");
+  }
+
+}