無法運行使用Jersey測試框架的單元測試用例

Question

我剛開始編寫單元測試用例JerseyTest框架。我已經按照這個例子

http://www.hascode.com/2011/09/rest-assured-vs-jersey-test-framework-testing-your-restful-web-services/comment-page-1/#comment-4791，

我能夠運行該服務以獲得JSON數據。但是當我使用JUnit運行單元測試時，我遇到了以下問題。任何建議將不勝感激。

com.sun.jersey.test.framework.spi.container.TestContainerException: The default test container factory, null, could not be instantiated 
at com.sun.jersey.test.framework.JerseyTest.getDefaultTestContainerFactory(JerseyTest.java:408) 
at com.sun.jersey.test.framework.JerseyTest.getTestContainerFactory(JerseyTest.java:273) 
at com.sun.jersey.test.framework.JerseyTest.<init>(JerseyTest.java:165) 
at com.hascode.tutorial.rest.UserServiceTestUsingJerseyTestFramework.<init>(UserServiceTestUsingJerseyTestFramework.java:17) 
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) 
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) 
at java.lang.reflect.Constructor.newInstance(Constructor.java:513) 
at org.junit.runners.BlockJUnit4ClassRunner.createTest(BlockJUnit4ClassRunner.java:195) 
at org.junit.runners.BlockJUnit4ClassRunner$1.runReflectiveCall(BlockJUnit4ClassRunner.java:244) 
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 
at org.junit.runners.BlockJUnit4ClassRunner.methodBlock(BlockJUnit4ClassRunner.java:241) 
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) 
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) 
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) 
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) 
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) 
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) 
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) 
at org.junit.runners.ParentRunner.run(ParentRunner.java:309) 
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) 
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) 

產生的原因：在com.sun.jersey.test.framework.JerseyTest.getDefaultTestContainerFactory（JerseyTest.java:406） 顯示java.lang.NullPointerException ...... 25多個

Answer 1

你可能忘了添加一個包含Jersey測試容器實現的模塊，例如jersey-test-framework-grizzly2：

<dependency> 
    <groupId>com.sun.jersey.jersey-test-framework</groupId> 
    <artifactId>jersey-test-framework-grizzly2</artifactId> 
    <version>1.18.1</version> 
    <scope>test</scope> 
</dependency> 

你可以找到專門爲Jersey Test Framework一章中的更多信息。