java.lang.Exception: Test class should have exactly one public constructor

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    What Happens If a JUnit Test Method Is Declared

    fyicenter.com | 1 year ago
    java.lang.Exception: Method testHello should be void at org.junit.internal.runners.MethodValidator.validateTe at org.junit.internal.runners.MethodValidator.validateIn at org.junit.internal.runners.MethodValidator.validateMe at org.junit.internal.runners.JUnit4ClassRunner.validate at org.junit.internal.runners.JUnit4ClassRunner.<init>(J at sun.reflect.NativeConstructorAccessorImpl.newInstance at sun.reflect.NativeConstructorAccessorImpl.newInstance at sun.reflect.DelegatingConstructorAccessorImpl.newInst at java.lang.reflect.Constructor.newInstance(Constructor at org.junit.internal.requests.ClassRequest.buildRunner( at org.junit.internal.requests.ClassRequest.getRunner(Cl at org.junit.internal.requests.ClassesRequest.getRunner(
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    jmdoudoux.fr | 8 months ago
    java.lang.Exception: test timed out after 100 milliseconds at org.junit.internal.runners.TestMethodRunner.runWithTimeout (TestMethodRunner.java:68) at org.junit.internal.runners.TestMethodRunner.run (TestMethodRunner.java:43) at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod (TestClassMethodsRunner.java:66) at org.junit.internal.runners.TestClassMethodsRunner.run (TestClassMethodsRunner.java:35) at org.junit.internal.runners.TestClassRunner$1.runUnprotected (TestClassRunner.java:42) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected (BeforeAndAfterRunner.java:34)
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    What Happens If a JUnit Test Method Is Declared

    fyicenter.com | 9 months ago
    java.lang.Exception: Method testHello should be public at org.junit.internal.runners.MethodValidator.validateTestMethod at org.junit.internal.runners.MethodValidator.validateInstanceMe at org.junit.internal.runners.MethodValidator.validateMethodsFor at org.junit.internal.runners.JUnit4ClassRunner.validate(JUnit4C at org.junit.internal.runners.JUnit4ClassRunner.<init>(JUn at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeC at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Del at java.lang.reflect.Constructor.newInstance(Constructor.java:51 at org.junit.internal.requests.ClassRequest.buildRunner(ClassReq at org.junit.internal.requests.ClassRequest.getRunner(ClassReque at org.junit.internal.requests.ClassesRequest.getRunner(ClassesR

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    Root Cause Analysis

    1. java.lang.Exception

      Test class should have exactly one public constructor

      at org.junit.runners.BlockJUnit4ClassRunner.validateOnlyOneConstructor()
    2. JUnit
      JUnitCore.main
      1. org.junit.runners.BlockJUnit4ClassRunner.validateOnlyOneConstructor(BlockJUnit4ClassRunner.java:134)
      2. org.junit.runners.BlockJUnit4ClassRunner.validateConstructor(BlockJUnit4ClassRunner.java:123)
      3. org.junit.runners.BlockJUnit4ClassRunner.collectInitializationErrors(BlockJUnit4ClassRunner.java:103)
      4. org.junit.runners.ParentRunner.validate(ParentRunner.java:355)
      5. org.junit.runners.ParentRunner.<init>(ParentRunner.java:76)
      6. org.junit.runners.BlockJUnit4ClassRunner.<init>(BlockJUnit4ClassRunner.java:57)
      7. org.junit.internal.builders.JUnit4Builder.runnerForClass(JUnit4Builder.java:10)
      8. org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
      9. org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
      10. org.junit.runner.Computer.getRunner(Computer.java:40)
      11. org.junit.runner.Computer$1.runnerForClass(Computer.java:31)
      12. org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
      13. org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:101)
      14. org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:87)
      15. org.junit.runners.Suite.<init>(Suite.java:80)
      16. org.junit.runner.Computer.getSuite(Computer.java:28)
      17. org.junit.runner.Request.classes(Request.java:75)
      18. org.junit.runner.JUnitCore.run(JUnitCore.java:117)
      19. org.junit.runner.JUnitCore.runMain(JUnitCore.java:96)
      20. org.junit.runner.JUnitCore.runMainAndExit(JUnitCore.java:47)
      21. org.junit.runner.JUnitCore.main(JUnitCore.java:40)
      21 frames