new spring jpa tutorial

spring-jpa/src/test/java/org/baeldung/spring/persistence/service/FooServicePersistenceIntegrationTest.java

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+package org.baeldung.spring.persistence.service;
+
+import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
+
+import org.baeldung.spring.persistence.config.PersistenceConfig;
+import org.baeldung.spring.persistence.model.Foo;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.dao.InvalidDataAccessApiUsageException;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = { PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
+public class FooServicePersistenceIntegrationTest {
+
+    @Autowired
+    private FooService service;
+
+    // tests
+
+    @Test
+    public final void whenContextIsBootstrapped_thenNoExceptions() {
+        //
+    }
+
+    @Test
+    public final void whenEntityIsCreated_thenNoExceptions() {
+        service.create(new Foo(randomAlphabetic(6)));
+    }
+
+    @Test(expected = DataIntegrityViolationException.class)
+    public final void whenInvalidEntityIsCreated_thenDataException() {
+        service.create(new Foo());
+    }
+
+    @Test(expected = DataIntegrityViolationException.class)
+    public final void whenEntityWithLongNameIsCreated_thenDataException() {
+        service.create(new Foo(randomAlphabetic(2048)));
+    }
+
+    @Test(expected = InvalidDataAccessApiUsageException.class)
+    public final void whenSameEntityIsCreatedTwice_thenDataException() {
+        final Foo entity = new Foo(randomAlphabetic(8));
+        service.create(entity);
+        service.create(entity);
+    }
+
+    @Test
+    public final void temp_whenInvalidEntityIsCreated_thenDataException() {
+        service.create(new Foo(randomAlphabetic(2048)));
+    }
+
+}