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2013-04-08T16:53:01.593
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I use Spring mongo template in a Spring MVC app and JUnit 4.8.2 for unit tests. Just create a bean for your mongoTemplate and use Autowired to inject it in your classes. As for the tests, follow these steps: 1.Create a new JUnit test case (right-click on your class in the Package Explorer, then new->JUnit Test Case). It will create a test method for each method of your class you specify. 2.Now you'll have your tests at src/test/java and yor resources at src/test/resources. It is better if you create a spring config file just for the tests so you can point the tests to a local mongodb instance and your application to perhaps a Development mongoDB instance. So create a the config file at src/test/resources and name it testSpringConfig.xml or whatever and create the bean there: <pre><code> <mongo:db-factory dbname="myDB" host="localhost" username="myDbUser" password="myPass"/> <beans:bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate"> <beans:constructor-arg name="mongoDbFactory" ref="mongoDbFactory" /> </beans:bean> <beans:bean id="mongoTemplateLibrary" class="org.springframework.data.mongodb.core.MongoTemplate"> <beans:constructor-arg name="mongoDbFactory" ref="mongoDbFactory" /> </beans:bean> </code></pre> 3.In your test class, use annotations to reference your config file: <pre><code>@RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = {"/testSpringConfig.xml"}) public class MyDaoTest { </code></pre> 4.Once you have your test class set up, inject the mongo template <pre><code>@Autowired @Qualifier("mongoTemplate") private MongoTemplate mongoTemplate; </code></pre> 5.Now yo can use it to insert/remove/find/update directly to mongo (although this would be a integration test more than a unit test) For example, you can remove the objects you inserted in your tests using the Tear Down method: <pre><code>@After public void tearDown() { mongoTemplate.remove(myObject); } </code></pre>
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