[英]Injecting mock @Service for Spring unit tests
I am testing a class that uses use @Autowired to inject a service: 我正在测试一个使用@Autowired注入服务的类:
public class RuleIdValidator implements ConstraintValidator<ValidRuleId, String> {
@Autowired
private RuleStore ruleStore;
// Some other methods
}
But how can I mock ruleStore during testing? 但是如何在测试期间模拟ruleStore? I can't figure out how to inject my mock RuleStore into Spring and into the Auto-wiring system.
我无法弄清楚如何将我的模拟RuleStore注入Spring并进入自动布线系统。
Thanks 谢谢
It is quite easy with Mockito : Mockito非常容易:
@RunWith(MockitoJUnitRunner.class)
public class RuleIdValidatorTest {
@Mock
private RuleStore ruleStoreMock;
@InjectMocks
private RuleIdValidator ruleIdValidator;
@Test
public void someTest() {
when(ruleStoreMock.doSomething("arg")).thenReturn("result");
String actual = ruleIdValidator.doSomeThatDelegatesToRuleStore();
assertEquals("result", actual);
}
}
Read more about @InjectMocks in the Mockito javadoc or in a blog post that I wrote about the topic some time ago. 了解更多关于@InjectMocks中的javadoc的Mockito或在博客中 ,我前段时间写的话题。
Available as of Mockito 1.8.3, enhanced in 1.9.0. 自Mockito 1.8.3起可用,增强型1.9.0。
You can use something like Mockito to mock the rulestore returned during testing. 您可以使用Mockito之类的东西来模拟测试期间返回的规则库。 This Stackoverflow post has a good example of doing this:
这篇Stackoverflow帖子有一个很好的例子:
You can do following: 你可以这样做:
package com.mycompany;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.DependsOn;
import org.springframework.stereotype.Component;
@Component
@DependsOn("ruleStore")
public class RuleIdValidator implements ConstraintValidator<ValidRuleId, String> {
@Autowired
private RuleStore ruleStore;
// Some other methods
}
And your Spring Context should looks like: 你的Spring Context应该是这样的:
<context:component-scan base-package="com.mycompany" />
<bean id="ruleStore" class="org.easymock.EasyMock" factory-method="createMock">
<constructor-arg index="0" value="com.mycompany.RuleStore"/>
</bean>
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