Question

我尝试遵循https://tarunsapra.wordpress.com/2011/06/28/junit-spring-session-and-request-scope-beans/上的指南或https://touk.pl/blog/2011/04/15/how-to-test-spring-session-scoped-beans/。但是，我无法在JUnit4测试中自动连接会话bean。

也许这只是一些愚蠢的错误，但是我找不到它。

我使用spring-test 4.3.22.RELEASE（以及其他各种spring-libraries）和junit-4.12.jar

这是我的琐碎例子（在Eclipse Oxygen.3a Release（4.7.3a）中进行了测试）

TrivialSessionTest.java

package demo;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:spring/trivialApplicationContextForSessions.xml" })
@ComponentScan("demo")
public class TrivialSessionTests  {

@Autowired
protected SessionTestBean sessionTestBean;

@Test
public void testLogin() {
    Assert.assertEquals("Hello World", sessionTestBean.getSomething());
}

}

SessionTestBean.java

package demo;

import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.stereotype.Component;

@Component
@Scope(value="session", proxyMode=ScopedProxyMode.TARGET_CLASS)
public class SessionTestBean {

public SessionTestBean() {}

public String getSomething() {
    return "Hello World";
}
}

spring / trivialApplicationContextForSessions.xml

<?xml version="1.0" encoding="UTF-8"?>
  <beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">

<bean id="sessionScopeConfigurer" class="org.springframework.beans.factory.config.CustomScopeConfigurer">
    <property name="scopes">
        <map>
            <entry key="session">
                <bean class="org.springframework.context.support.SimpleThreadScope" />
            </entry>
            <entry key="request">
                <bean class="org.springframework.web.context.request.RequestScope" />
            </entry>
        </map>
    </property>
</bean>
</beans>

运行测试结果

[main] ERROR org.springframework.test.context.TestContextManager - Caught exception while allowing TestExecutionListener     [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@73e132e0] to prepare test instance [demo.TrivialSessionTests@3773862a]
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'demo.TrivialSessionTests': Unsatisfied dependency expressed through field 'sessionTestBean'; nested exception is     org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'demo.SessionTestBean' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

Answer 1

抱歉，经过进一步的深入试验，我终于找到了问题所在：

我需要一个额外的@ org.springframework.test.context.web.WebAppConfiguration 进行测试。此配置还应注意会话范围。
@ComponentScan（“ demo”）似乎不适用于测试类。我不得不将其放入... applicationContext.xml
最后：in中的会话范围声明似乎不是必需的（并且proxyMode = ScopedProxyMode.TARGET_CLASS都不需要）

因此，运行示例如下

TrivialSessionTests.java

package demo;

import org.junit.Assert;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;

@org.junit.runner.RunWith(org.springframework.test.context.junit4.SpringJUnit4ClassRunner.class)
@org.springframework.test.context.ContextConfiguration(locations = { "classpath:spring/trivialApplicationContextForSessions.xml" })
@org.springframework.test.context.web.WebAppConfiguration
public class TrivialSessionTests {

    @Autowired()
    protected SessionTestBean sessionTestBean;

    @Test
    public void testLogin() {
    Assert.assertEquals("Hello World", sessionTestBean.getSomething());
    }
}

SessionTestBean.java

package demo;

import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.stereotype.Component;

@Component(value="sessionTestBean")
@Scope(value="session", proxyMode=ScopedProxyMode.TARGET_CLASS)
public class SessionTestBean {

    public SessionTestBean() {}

    public String getSomething() {
        return "Hello World";
    }
}

trivialApplicationContextForSessions.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">

     <context:component-scan base-package="demo" />
</beans>

春季：具有会话范围的JUnit测试：通过字段“ sessionTestBean”表达的不满意的依赖性

1 个答案: