如何使用Spring测试模拟的JNDI数据源? [英] How to test a mocked JNDI datasource with Spring?
问题描述
我对Spring还是很陌生,想知道如何创建使用模拟数据源的JUnit测试以及如何在其中使用JNDI上下文?当前,我的应用程序使用来自tomcat的JNDI上下文来检索连接,并通过该连接从数据库中检索数据.所以我想我需要模拟JNDI调用和数据检索.关于解决此问题的最佳方法的任何好的建议都将是很棒的!非常感谢!
I am fairly new to Spring and wondering how to create JUnit tests that use a mocked datasource and how to use a JNDI context with that? Currently my application uses a JNDI context from tomcat to retrieve a connection and via that connection retrieves data from a database. So I guess I need to mock the JNDI calls and the data retrieval. Any good pointers on what the best way to tackle this would be great! Thanks a lot!
推荐答案
我通常在单独的文件中定义我的JNDI依赖项,例如datasource-context.xml
:
I usually define my JNDI dependencies in seperate file, like datasource-context.xml
:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/jee
http://www.springframework.org/schema/jee/spring-jee-3.0.xsd">
<jee:jndi-lookup id="dataSource"
jndi-name="java:comp/env/dataSource"
expected-type="javax.sql.DataSource" />
</beans>
因此,在测试资源中,我可以创建另一个文件并定义适合自己的测试数据源,例如datasource-testcontext.xml
:
So that in test resources I can create another file and define the test datasource however it suits me, like datasource-testcontext.xml
:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource"
p:driverClassName="org.hsqldb.jdbcDriver"
p:url="jdbc:hsqldb:hsql://localhost:9001"
p:username="sa"
p:password="" />
</beans>
然后在测试类中,我使用数据源的测试配置,而不是依赖于JNDI的生产版本:
@ContextConfiguration({
"classpath*:META-INF/spring/datasource-testcontext.xml",
"classpath*:META-INF/spring/session-factory-context.xml"
})
public class MyTest {
}
如果未在单独的文件中定义数据源,您仍然可以轻松地对JNDI调用返回的对象进行存根:
If the data source is not defined in a separate file You can still stub the object returned by JNDI calls easily:
- 像这样:在容器外部注入用于JUnit测试的JNDI数据源
- 或在包
org.springframework.mock.jndi
中使用类,即SimpleNamingContextBuilder
(此calass的javadoc中有一个示例).
- like this: Injecting JNDI datasources for JUnit Tests outside of a container
- or using classes in package
org.springframework.mock.jndi
, ie.SimpleNamingContextBuilder
(there's an example in the javadoc of this calass).
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