Add the actual integration test

src/test/java/eu/euregjug/site/events/RegistrationRepositoryIT.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2016 EuregJUG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package eu.euregjug.site.events;
+
+import static org.hamcrest.Matchers.is;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.AutoConfigureTestDatabase;
+import static org.springframework.boot.test.autoconfigure.orm.jpa.AutoConfigureTestDatabase.Replace.NONE;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * @author Michael J. Simons, 2016-08-25
+ */
+@RunWith(SpringRunner.class)
+@DataJpaTest
+@AutoConfigureTestDatabase(replace = NONE)
+@ActiveProfiles("it")
+public class RegistrationRepositoryIT {
+
+    @Autowired
+    private EventRepository eventRepository;
+
+    @Autowired
+    private RegistrationRepository registrationRepository;
+
+    @Test
+    public void idGeneratorsShouldWorkWithPostgreSQLAsExpected() {
+        // data-id.sql creates on registration with id "1"
+        final EventEntity event = this.eventRepository.findOne(1).get();
+        final RegistrationEntity savedRegistration = this.registrationRepository.save(new RegistrationEntity(event, "foo@bar.baz", "idGeneratorsShouldWorkWithPostgreSQLAsExpected", null, true));
+        Assert.assertThat(savedRegistration.getId(), is(2));
+    }
+}