Source code for Intro to QueryDSL article.

querydsl/src/test/java/org/baeldung/dao/PersonDaoTest.java

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+package org.baeldung.dao;
+
+import junit.framework.Assert;
+import org.baeldung.entity.Person;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.transaction.TransactionConfiguration;
+import org.springframework.transaction.annotation.Transactional;
+
+
+@ContextConfiguration("/test-context.xml")
+@RunWith(SpringJUnit4ClassRunner.class)
+@Transactional
+@TransactionConfiguration(defaultRollback=true)
+public class PersonDaoTest {
+
+    @Autowired
+    private PersonDao personDao;
+
+    @Test
+    public void testCreation() {
+        personDao.save(new Person("Erich", "Gamma"));
+        Person person = new Person("Kent", "Beck");
+        personDao.save(person);
+        personDao.save(new Person("Ralph", "Johnson"));
+
+        Person personFromDb = personDao.findPersonsByFirstnameQueryDSL("Kent").get(0);
+        Assert.assertEquals(person.getId(), personFromDb.getId());
+    }
+}