Before and After Suite execution hook in jUnit 4 x

Question

I m trying to preform setup and teardown for a set of integration tests  using jUnit 4 4 to execute the tests  The teardown needs to be run reliably  I m having other problems with TestNG  so I m looking to port back to jUnit  What hooks are available for execution before any tests are run and after all tests have completed   Note  we re using maven 2 for our build  I ve tried using maven s pre-  amp  post-integration-test phases  but  if a test fails  maven stops and doesn t run post-integration-test  which is no help

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

A colleague of mine suggested the following  you can use a custom RunListener and implement the testRunFinished   method  http   junit sourceforge net javadoc org junit runner notification RunListener html testRunFinished org junit runner Result   To register the RunListener just configure the surefire plugin as follows  http   maven apache org surefire maven-surefire-plugin examples junit html section  Using custom listeners and reporters   This configuration should also be picked by the failsafe plugin  This solution is great because you don t have to specify Suites  lookup test classes or any of this stuff - it lets Maven to do its magic  waiting for all tests to finish

User · Answer

Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

User · Answer

Since maven-surefire-plugin does not run Suite class first but treats suite and test classes same  so we can configure plugin as below to enable only suite classes and disable all the tests  Suite will run all the tests            lt plugin gt               lt groupId gt org apache maven plugins lt  groupId gt               lt artifactId gt maven-surefire-plugin lt  artifactId gt               lt version gt 2 5 lt  version gt               lt configuration gt                   lt includes gt                       lt include gt     Suite java lt  include gt                   lt  includes gt                   lt excludes gt                       lt exclude gt     Test java lt  exclude gt                       lt exclude gt     Tests java lt  exclude gt                   lt  excludes gt               lt  configuration gt           lt  plugin gt

User · Answer

Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

User · Answer

The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

User · Answer

If you don t want to create a suite and have to list all your test classes you can use reflection to find the number of test classes dynamically and count down in a base class  AfterClass to do the tearDown only once   public class BaseTestClass       private static int testClassToRun   0          Counting the classes to run so that we can do the tear down only once     static           try               Field field   ClassLoader class getDeclaredField  classes                field setAccessible true                 SuppressWarnings    unchecked    rawtypes                 Vector lt Class gt  classes    Vector lt Class gt   field get BlockJUnit4ClassRunner class getClassLoader                 for  Class lt   gt  clazz   classes                    if  clazz getName   endsWith  Test                          testClassToRun                                              catch  Exception ignore                            Setup that needs to be done only once     static              one time set up             AfterClass     public static void baseTearDown   throws Exception               if  --testClassToRun    0                   one time clean up                     If you prefer to use  BeforeClass instead of the static blocks  you can also use a boolean flag to do the reflection count and test setup only once at the first call  Hope this helps someone  it took me an afternoon to figure out a better way than enumerating all classes in a suite   Now all you need to do is extend this class for all your test classes  We already had a base class to provide some common stuff for all our tests so this was the best solution for us   Inspiration comes from this SO answer https   stackoverflow com a 37488620 5930242  If you don t want to extend this class everywhere  this last SO answer might do what you want

User · Answer

Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

If you don t want to create a suite and have to list all your test classes you can use reflection to find the number of test classes dynamically and count down in a base class  AfterClass to do the tearDown only once   public class BaseTestClass       private static int testClassToRun   0          Counting the classes to run so that we can do the tear down only once     static           try               Field field   ClassLoader class getDeclaredField  classes                field setAccessible true                 SuppressWarnings    unchecked    rawtypes                 Vector lt Class gt  classes    Vector lt Class gt   field get BlockJUnit4ClassRunner class getClassLoader                 for  Class lt   gt  clazz   classes                    if  clazz getName   endsWith  Test                          testClassToRun                                              catch  Exception ignore                            Setup that needs to be done only once     static              one time set up             AfterClass     public static void baseTearDown   throws Exception               if  --testClassToRun    0                   one time clean up                     If you prefer to use  BeforeClass instead of the static blocks  you can also use a boolean flag to do the reflection count and test setup only once at the first call  Hope this helps someone  it took me an afternoon to figure out a better way than enumerating all classes in a suite   Now all you need to do is extend this class for all your test classes  We already had a base class to provide some common stuff for all our tests so this was the best solution for us   Inspiration comes from this SO answer https   stackoverflow com a 37488620 5930242  If you don t want to extend this class everywhere  this last SO answer might do what you want

User · Answer

You can use the  ClassRule annotation in JUnit 4 9  as I described in an answer another question

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

User · Answer

A colleague of mine suggested the following  you can use a custom RunListener and implement the testRunFinished   method  http   junit sourceforge net javadoc org junit runner notification RunListener html testRunFinished org junit runner Result   To register the RunListener just configure the surefire plugin as follows  http   maven apache org surefire maven-surefire-plugin examples junit html section  Using custom listeners and reporters   This configuration should also be picked by the failsafe plugin  This solution is great because you don t have to specify Suites  lookup test classes or any of this stuff - it lets Maven to do its magic  waiting for all tests to finish

User · Answer

The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

User · Answer

Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

User · Answer

The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

User · Answer

Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

User · Answer

Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

User · Answer

Here  we   upgraded to JUnit 4 5  wrote annotations to tag each test class or method which needed a working service  wrote handlers for each annotation which contained static methods to implement the setup and teardown of the service  extended the usual Runner to locate the annotations on tests  adding the static handler methods into the test execution chain at the appropriate points

User · Answer

Provided that all your tests may extend a  technical  class and are in the same package  you can do a little trick    public class AbstractTest     private static int nbTests   listClassesIn  lt package gt   size      private static int curTest   0      BeforeClass   public static void incCurTest     curTest          AfterClass   public static void closeTestSuite           if  curTest    nbTests      cleaning                         public class Test1 extends AbstractTest       Test    public void check        public class Test2 extends AbstractTest       Test    public void check          Be aware that this solution has a lot of drawbacks     must execute all tests of the package must subclass a  techincal  class you can not use  BeforeClass and  AfterClass inside subclasses if you execute only one test in the package  cleaning is not done       For information  listClassesIn      How do you find all subclasses of a given class in Java

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

A colleague of mine suggested the following  you can use a custom RunListener and implement the testRunFinished   method  http   junit sourceforge net javadoc org junit runner notification RunListener html testRunFinished org junit runner Result   To register the RunListener just configure the surefire plugin as follows  http   maven apache org surefire maven-surefire-plugin examples junit html section  Using custom listeners and reporters   This configuration should also be picked by the failsafe plugin  This solution is great because you don t have to specify Suites  lookup test classes or any of this stuff - it lets Maven to do its magic  waiting for all tests to finish

User · Answer

Since maven-surefire-plugin does not run Suite class first but treats suite and test classes same  so we can configure plugin as below to enable only suite classes and disable all the tests  Suite will run all the tests            lt plugin gt               lt groupId gt org apache maven plugins lt  groupId gt               lt artifactId gt maven-surefire-plugin lt  artifactId gt               lt version gt 2 5 lt  version gt               lt configuration gt                   lt includes gt                       lt include gt     Suite java lt  include gt                   lt  includes gt                   lt excludes gt                       lt exclude gt     Test java lt  exclude gt                       lt exclude gt     Tests java lt  exclude gt                   lt  excludes gt               lt  configuration gt           lt  plugin gt

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

Here  we   upgraded to JUnit 4 5  wrote annotations to tag each test class or method which needed a working service  wrote handlers for each annotation which contained static methods to implement the setup and teardown of the service  extended the usual Runner to locate the annotations on tests  adding the static handler methods into the test execution chain at the appropriate points

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

As far as I know there is no mechanism for doing this in JUnit  however you could try subclassing Suite and overriding the run   method with a version that does provide hooks

User · Answer

The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

User · Answer

As for  Note  we re using maven 2 for our build  I ve tried using maven s pre-  amp  post-integration-test phases  but  if a test fails  maven stops and doesn t run post-integration-test  which is no help    you can try the failsafe-plugin instead  I think it has the facility to ensure cleanup occurs regardless of setup or intermediate stage status

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

Provided that all your tests may extend a  technical  class and are in the same package  you can do a little trick    public class AbstractTest     private static int nbTests   listClassesIn  lt package gt   size      private static int curTest   0      BeforeClass   public static void incCurTest     curTest          AfterClass   public static void closeTestSuite           if  curTest    nbTests      cleaning                         public class Test1 extends AbstractTest       Test    public void check        public class Test2 extends AbstractTest       Test    public void check          Be aware that this solution has a lot of drawbacks     must execute all tests of the package must subclass a  techincal  class you can not use  BeforeClass and  AfterClass inside subclasses if you execute only one test in the package  cleaning is not done       For information  listClassesIn      How do you find all subclasses of a given class in Java

User · Answer

You can use the  ClassRule annotation in JUnit 4 9  as I described in an answer another question

User · Answer

You can use the  ClassRule annotation in JUnit 4 9  as I described in an answer another question

User · Answer

Provided that all your tests may extend a  technical  class and are in the same package  you can do a little trick    public class AbstractTest     private static int nbTests   listClassesIn  lt package gt   size      private static int curTest   0      BeforeClass   public static void incCurTest     curTest          AfterClass   public static void closeTestSuite           if  curTest    nbTests      cleaning                         public class Test1 extends AbstractTest       Test    public void check        public class Test2 extends AbstractTest       Test    public void check          Be aware that this solution has a lot of drawbacks     must execute all tests of the package must subclass a  techincal  class you can not use  BeforeClass and  AfterClass inside subclasses if you execute only one test in the package  cleaning is not done       For information  listClassesIn      How do you find all subclasses of a given class in Java

User · Answer

As for  Note  we re using maven 2 for our build  I ve tried using maven s pre-  amp  post-integration-test phases  but  if a test fails  maven stops and doesn t run post-integration-test  which is no help    you can try the failsafe-plugin instead  I think it has the facility to ensure cleanup occurs regardless of setup or intermediate stage status

User · Answer

Yes  it is possible to reliably run set up and tear down methods before and after any tests in a test suite   Let me demonstrate in code   package com test   import org junit AfterClass  import org junit BeforeClass  import org junit runner RunWith  import org junit runners Suite  import org junit runners Suite SuiteClasses    RunWith Suite class   SuiteClasses  Test1 class  Test2 class   public class TestSuite         BeforeClass     public static void setUp             System out println  setting up                AfterClass     public static void tearDown             System out println  tearing down               So your Test1 class would look something like   package com test   import org junit Test    public class Test1        Test     public void test1             System out println  test1                  and you can imagine that Test2 looks similar   If you ran TestSuite  you would get   setting up test1 test2 tearing down   So you can see that the set up tear down only run before and after all tests  respectively     The catch  this only works if you re running the test suite  and not running Test1 and Test2 as individual JUnit tests   You mentioned you re using maven  and the maven surefire plugin likes to run tests individually  and not part of a suite   In this case  I would recommend creating a superclass that each test class extends   The superclass then contains the annotated  BeforeClass and  AfterClass methods   Although not quite as clean as the above method  I think it will work for you   As for the problem with failed tests  you can  set maven test error ignore so that the build continues on failed tests   This is not recommended as a continuing practice  but it should get you functioning until all of your tests pass  For more detail  see the maven surefire documentation

User · Answer

Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

User · Answer

Since maven-surefire-plugin does not run Suite class first but treats suite and test classes same  so we can configure plugin as below to enable only suite classes and disable all the tests  Suite will run all the tests            lt plugin gt               lt groupId gt org apache maven plugins lt  groupId gt               lt artifactId gt maven-surefire-plugin lt  artifactId gt               lt version gt 2 5 lt  version gt               lt configuration gt                   lt includes gt                       lt include gt     Suite java lt  include gt                   lt  includes gt                   lt excludes gt                       lt exclude gt     Test java lt  exclude gt                       lt exclude gt     Tests java lt  exclude gt                   lt  excludes gt               lt  configuration gt           lt  plugin gt

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Provided that all your tests may extend a  technical  class and are in the same package  you can do a little trick    public class AbstractTest     private static int nbTests   listClassesIn  lt package gt   size      private static int curTest   0      BeforeClass   public static void incCurTest     curTest          AfterClass   public static void closeTestSuite           if  curTest    nbTests      cleaning                         public class Test1 extends AbstractTest       Test    public void check        public class Test2 extends AbstractTest       Test    public void check          Be aware that this solution has a lot of drawbacks     must execute all tests of the package must subclass a  techincal  class you can not use  BeforeClass and  AfterClass inside subclasses if you execute only one test in the package  cleaning is not done       For information  listClassesIn      How do you find all subclasses of a given class in Java

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You can use the  ClassRule annotation in JUnit 4 9  as I described in an answer another question

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A colleague of mine suggested the following  you can use a custom RunListener and implement the testRunFinished   method  http   junit sourceforge net javadoc org junit runner notification RunListener html testRunFinished org junit runner Result   To register the RunListener just configure the surefire plugin as follows  http   maven apache org surefire maven-surefire-plugin examples junit html section  Using custom listeners and reporters   This configuration should also be picked by the failsafe plugin  This solution is great because you don t have to specify Suites  lookup test classes or any of this stuff - it lets Maven to do its magic  waiting for all tests to finish

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As for  Note  we re using maven 2 for our build  I ve tried using maven s pre-  amp  post-integration-test phases  but  if a test fails  maven stops and doesn t run post-integration-test  which is no help    you can try the failsafe-plugin instead  I think it has the facility to ensure cleanup occurs regardless of setup or intermediate stage status

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Since maven-surefire-plugin does not run Suite class first but treats suite and test classes same  so we can configure plugin as below to enable only suite classes and disable all the tests  Suite will run all the tests            lt plugin gt               lt groupId gt org apache maven plugins lt  groupId gt               lt artifactId gt maven-surefire-plugin lt  artifactId gt               lt version gt 2 5 lt  version gt               lt configuration gt                   lt includes gt                       lt include gt     Suite java lt  include gt                   lt  includes gt                   lt excludes gt                       lt exclude gt     Test java lt  exclude gt                       lt exclude gt     Tests java lt  exclude gt                   lt  excludes gt               lt  configuration gt           lt  plugin gt

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Here  we   upgraded to JUnit 4 5  wrote annotations to tag each test class or method which needed a working service  wrote handlers for each annotation which contained static methods to implement the setup and teardown of the service  extended the usual Runner to locate the annotations on tests  adding the static handler methods into the test execution chain at the appropriate points

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As for  Note  we re using maven 2 for our build  I ve tried using maven s pre-  amp  post-integration-test phases  but  if a test fails  maven stops and doesn t run post-integration-test  which is no help    you can try the failsafe-plugin instead  I think it has the facility to ensure cleanup occurs regardless of setup or intermediate stage status

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Here  we   upgraded to JUnit 4 5  wrote annotations to tag each test class or method which needed a working service  wrote handlers for each annotation which contained static methods to implement the setup and teardown of the service  extended the usual Runner to locate the annotations on tests  adding the static handler methods into the test execution chain at the appropriate points

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If you don t want to create a suite and have to list all your test classes you can use reflection to find the number of test classes dynamically and count down in a base class  AfterClass to do the tearDown only once   public class BaseTestClass       private static int testClassToRun   0          Counting the classes to run so that we can do the tear down only once     static           try               Field field   ClassLoader class getDeclaredField  classes                field setAccessible true                 SuppressWarnings    unchecked    rawtypes                 Vector lt Class gt  classes    Vector lt Class gt   field get BlockJUnit4ClassRunner class getClassLoader                 for  Class lt   gt  clazz   classes                    if  clazz getName   endsWith  Test                          testClassToRun                                              catch  Exception ignore                            Setup that needs to be done only once     static              one time set up             AfterClass     public static void baseTearDown   throws Exception               if  --testClassToRun    0                   one time clean up                     If you prefer to use  BeforeClass instead of the static blocks  you can also use a boolean flag to do the reflection count and test setup only once at the first call  Hope this helps someone  it took me an afternoon to figure out a better way than enumerating all classes in a suite   Now all you need to do is extend this class for all your test classes  We already had a base class to provide some common stuff for all our tests so this was the best solution for us   Inspiration comes from this SO answer https   stackoverflow com a 37488620 5930242  If you don t want to extend this class everywhere  this last SO answer might do what you want

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If you don t want to create a suite and have to list all your test classes you can use reflection to find the number of test classes dynamically and count down in a base class  AfterClass to do the tearDown only once   public class BaseTestClass       private static int testClassToRun   0          Counting the classes to run so that we can do the tear down only once     static           try               Field field   ClassLoader class getDeclaredField  classes                field setAccessible true                 SuppressWarnings    unchecked    rawtypes                 Vector lt Class gt  classes    Vector lt Class gt   field get BlockJUnit4ClassRunner class getClassLoader                 for  Class lt   gt  clazz   classes                    if  clazz getName   endsWith  Test                          testClassToRun                                              catch  Exception ignore                            Setup that needs to be done only once     static              one time set up             AfterClass     public static void baseTearDown   throws Exception               if  --testClassToRun    0                   one time clean up                     If you prefer to use  BeforeClass instead of the static blocks  you can also use a boolean flag to do the reflection count and test setup only once at the first call  Hope this helps someone  it took me an afternoon to figure out a better way than enumerating all classes in a suite   Now all you need to do is extend this class for all your test classes  We already had a base class to provide some common stuff for all our tests so this was the best solution for us   Inspiration comes from this SO answer https   stackoverflow com a 37488620 5930242  If you don t want to extend this class everywhere  this last SO answer might do what you want

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The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

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The only way I think then to get the functionality you want would be to do something like    import junit framework Test    import junit framework TestResult    import junit framework TestSuite     public class AllTests         public static Test suite               TestSuite suite   new TestSuite  TestEverything                 JUnit-BEGIN            suite addTestSuite TestOne class             suite addTestSuite TestTwo class             suite addTestSuite TestThree class                JUnit-END                   public static void main String   args                     AllTests test   new AllTests              Test testCase   test suite              TestResult result   new TestResult              setUp              testCase run result             tearDown                    public void setUp             public void tearDown             I use something like this in eclipse  so I m not sure how portable it is outside of that environment

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Using annotations  you can do something like this   import org junit    import static org junit Assert    import java util     class SomethingUnitTest        BeforeClass     public static void runBeforeClass                      AfterClass     public static void runAfterClass                        Before       public void setUp                      After     public void tearDown                      Test     public void testSomethingOrOther

[java] Before and After Suite execution hook in jUnit 4.x

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