#996 Add findOne() and findOneOrEmpty()

src/test/java/org/tests/query/TestFindOneOrEmpty.java

@@ -0,0 +1,42 @@
+package org.tests.query;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.junit.Test;
+import org.tests.model.basic.Customer;
+import org.tests.model.basic.ResetBasicData;
+
+import java.util.Optional;
+
+import static org.assertj.core.api.StrictAssertions.assertThat;
+
+public class TestFindOneOrEmpty extends BaseTestCase {
+
+  @Test
+  public void empty() {
+
+    Optional<Customer> willBeEmpty = Ebean.find(Customer.class)
+      .setId(Integer.MAX_VALUE)
+      .findOneOrEmpty();
+
+    assertThat(willBeEmpty).isEmpty();
+  }
+
+  @Test
+  public void notEmpty() {
+
+    ResetBasicData.reset();
+
+    Optional<Customer> customer = Ebean.find(Customer.class)
+      .setId(1)
+      .findOneOrEmpty();
+
+    assertThat(customer.isPresent()).isTrue();
+
+    customer.ifPresent(customer1 -> {
+      String name = customer1.getName();
+      assertThat(name).isNotEmpty();
+    });
+
+  }
+}