我有一个用JUnit4语法编写的测试类,它可以在eclipse中使用"run as junit test"选项运行而不会失败.当我通过ant目标运行相同的测试时,我收到此错误:
java.lang.Exception: Test class should have public zero-argument constructor
at org.junit.internal.runners.MethodValidator.validateNoArgConstructor(MethodValidator.java:54)
at org.junit.internal.runners.MethodValidator.validateAllMethods(MethodValidator.java:39)
at org.junit.internal.runners.TestClassRunner.validate(TestClassRunner.java:33)
at org.junit.internal.runners.TestClassRunner.<init>(TestClassRunner.java:27)
at org.junit.internal.runners.TestClassRunner.<init>(TestClassRunner.java:20)
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.internal.requests.ClassRequest.getRunner(ClassRequest.java:26)
at junit.framework.JUnit4TestAdapter.<init>(JUnit4TestAdapter.java:24)
at junit.framework.JUnit4TestAdapter.<init>(JUnit4TestAdapter.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.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:386)
at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:911)
at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:768)
Caused by: java.lang.NoSuchMethodException: dk.gensam.gaia.business.bonusregulering.TestBonusregulerAftale$Test1Reader.<init>()
at java.lang.Class.getConstructor0(Class.java:2706)
at java.lang.Class.getConstructor(Class.java:1657)
at org.junit.internal.runners.MethodValidator.validateNoArgConstructor(MethodValidator.java:52)
我在课堂上没有公开的arg构造函数,但这真的有必要吗？
这是我的蚂蚁目标
<target name="junit" description="Execute unit tests" depends="compile, jar-test">
<delete dir="tmp/rawtestoutput"/>
<delete dir="test-reports"/>
<mkdir dir="tmp/rawtestoutput"/>
<junit printsummary="true" failureproperty="junit.failure" …