FailureRecorder (Apache Ant API)

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## org.apache.tools.ant.taskdefs.optional.junit
Class FailureRecorder

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.taskdefs.optional.junit.FailureRecorder

All Implemented Interfaces:
  java.lang.Cloneable, java.util.EventListener, junit.framework.TestListener, BuildListener, JUnitResultFormatter, JUnitTaskMirror.JUnitResultFormatterMirror

    public class FailureRecorder

extends ProjectComponent
implements JUnitResultFormatter, BuildListener

Collects all failing test cases and creates a new JUnit test class containing a suite() method which calls these failed tests.

Having classes A ... D with each several testcases you could earn a new test class like

     // generated on: 2007.08.06 09:42:34,555
     import junit.framework.*;
     public class FailedTests extends TestCase {
         public FailedTests(String testname) {
             super(testname);
         }
         public static Test suite() {
             TestSuite suite = new TestSuite();
             suite.addTest( new B("test04") );
             suite.addTest( new org.D("test10") );
             return suite;
         }
     }

Because each running test case gets its own formatter, we collect the failing test cases in a static list. Because we dont have a finalizer method in the formatters "lifecycle", we register this formatter as BuildListener and generate the new java source on taskFinished event.

Since:
  Ant 1.8.0

Nested Class Summary
`class` | `FailureRecorder.TestInfos` TestInfos holds information about a given test for later use.

Field Summary
`static java.lang.String` | `DEFAULT_CLASS_LOCATION` Default location and name for the generated JUnit class file, in the temp directory + FailedTests
`static java.lang.String` | `MAGIC_PROPERTY_CLASS_LOCATION` This is the name of a magic System property ("ant.junit.failureCollector").

Fields inherited from class org.apache.tools.ant.ProjectComponent
`description, location, project`

Constructor Summary
`FailureRecorder()`

Method Summary
`void` | `addError(junit.framework.Test test, java.lang.Throwable throwable)` Add the failed test to the list.
`void` | `addFailure(junit.framework.Test test, junit.framework.AssertionFailedError error)` Add the failed test to the list.
`void` | `buildFinished(BuildEvent event)` Not used Signals that the last target has finished.
`void` | `buildStarted(BuildEvent event)` Not used Signals that a build has started.
`void` | `endTest(junit.framework.Test test)` Not used
`void` | `endTestSuite(JUnitTest suite)` Not used The whole testsuite ended.
`void` | `log(java.lang.String message)` Logging facade in INFO-mode.
`void` | `messageLogged(BuildEvent event)` Not used Signals a message logging event.
`void` | `setOutput(java.io.OutputStream out)` Not used Sets the stream the formatter is supposed to write its results to.
`void` | `setProject(Project project)` This method is called by the Ant runtime by reflection.
`void` | `setSystemError(java.lang.String err)` Not used This is what the test has written to System.err
`void` | `setSystemOutput(java.lang.String out)` Not used This is what the test has written to System.out
`void` | `startTest(junit.framework.Test test)` Not used
`void` | `startTestSuite(JUnitTest suite)` Not used The whole testsuite started.
`void` | `targetFinished(BuildEvent event)` Not used Signals that a target has finished.
`void` | `targetStarted(BuildEvent event)` Not used Signals that a target is starting.
`void` | `taskFinished(BuildEvent event)` The task outside of this JUnitResultFormatter is the task.
`void` | `taskStarted(BuildEvent event)` Not used Signals that a task is starting.
`void` | `verbose(java.lang.String message)` Logging facade in VERBOSE-mode.

Methods inherited from class org.apache.tools.ant.ProjectComponent
`clone, getDescription, getLocation, getProject, log, setDescription, setLocation`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### MAGIC_PROPERTY_CLASS_LOCATION

    public static final java.lang.String MAGIC_PROPERTY_CLASS_LOCATION

  This is the name of a magic System property ("ant.junit.failureCollector"). The value of this System property should point to the location where to store the generated class (without suffix). Default location and name is defined in DEFAULT_CLASS_LOCATION.

  See Also:
    `DEFAULT_CLASS_LOCATION`, Constant Field Values

### DEFAULT_CLASS_LOCATION

    public static final java.lang.String DEFAULT_CLASS_LOCATION

  Default location and name for the generated JUnit class file, in the temp directory + FailedTests

Constructor Detail

### FailureRecorder

    public FailureRecorder()

Method Detail

### setProject

    public void setProject(Project project)

  This method is called by the Ant runtime by reflection. We use the project reference for registration of this class as BuildListener.

  Overrides:
    `setProject` in class `ProjectComponent`
  Parameters:
    `project` - project reference

### endTestSuite

    public void endTestSuite(JUnitTest suite)
                      throws BuildException

  Not used The whole testsuite ended.

  Specified by:
    `endTestSuite` in interface `JUnitResultFormatter`
  Parameters:
    `suite` - the suite.
  Throws:
    `BuildException` - on error.

### addError

    public void addError(junit.framework.Test test,
                         java.lang.Throwable throwable)

  Add the failed test to the list.

  Specified by:
    `addError` in interface `junit.framework.TestListener`
  Parameters:
    `test` - the test that errored.
    `throwable` - the reason it errored.
  See Also:
    `TestListener.addError(junit.framework.Test, java.lang.Throwable)`

### addFailure

    public void addFailure(junit.framework.Test test,
                           junit.framework.AssertionFailedError error)

  Add the failed test to the list.

  Specified by:
    `addFailure` in interface `junit.framework.TestListener`
  Parameters:
    `test` - the test that failed.
    `error` - the assertion that failed.
  See Also:
    `TestListener.addFailure(junit.framework.Test, junit.framework.AssertionFailedError)`

### setOutput

    public void setOutput(java.io.OutputStream out)

  Not used Sets the stream the formatter is supposed to write its results to.

  Specified by:
    `setOutput` in interface `JUnitResultFormatter`
  Specified by:
    `setOutput` in interface `JUnitTaskMirror.JUnitResultFormatterMirror`
  Parameters:
    `out` - the output stream to use.

### setSystemError

    public void setSystemError(java.lang.String err)

  Not used This is what the test has written to System.err

  Specified by:
    `setSystemError` in interface `JUnitResultFormatter`
  Parameters:
    `err` - the string to write.

### setSystemOutput

    public void setSystemOutput(java.lang.String out)

  Not used This is what the test has written to System.out

  Specified by:
    `setSystemOutput` in interface `JUnitResultFormatter`
  Parameters:
    `out` - the string to write.

### startTestSuite

    public void startTestSuite(JUnitTest suite)
                        throws BuildException

  Not used The whole testsuite started.

  Specified by:
    `startTestSuite` in interface `JUnitResultFormatter`
  Parameters:
    `suite` - the suite.
  Throws:
    `BuildException` - on error.

### endTest

    public void endTest(junit.framework.Test test)

  Not used

  Specified by:
    `endTest` in interface `junit.framework.TestListener`

### startTest

    public void startTest(junit.framework.Test test)

  Not used

  Specified by:
    `startTest` in interface `junit.framework.TestListener`

### log

    public void log(java.lang.String message)

  Logging facade in INFO-mode.

  Overrides:
    `log` in class `ProjectComponent`
  Parameters:
    `message` - Log-message

### verbose

    public void verbose(java.lang.String message)

  Logging facade in VERBOSE-mode.

  Parameters:
    `message` - Log-message

### buildFinished

    public void buildFinished(BuildEvent event)

  Not used Signals that the last target has finished. This event will still be fired if an error occurred during the build.

  Specified by:
    `buildFinished` in interface `BuildListener`
  Parameters:
    `event` - An event with any relevant extra information. Must not be `null`.
  See Also:
    `BuildEvent.getException()`

### buildStarted

    public void buildStarted(BuildEvent event)

  Not used Signals that a build has started. This event is fired before any targets have started.

  This event is fired before the project instance is fully configured. In particular no properties have been set and the project may not know its name or default target, yet.

  Specified by:
    `buildStarted` in interface `BuildListener`
  Parameters:
    `event` - An event with any relevant extra information. Must not be `null`.

### messageLogged

    public void messageLogged(BuildEvent event)

  Not used Signals a message logging event.

  Specified by:
    `messageLogged` in interface `BuildListener`
  Parameters:
    `event` - An event with any relevant extra information. Must not be `null`.
  See Also:
    `BuildEvent.getMessage()`, `BuildEvent.getException()`, `BuildEvent.getPriority()`

### targetFinished

    public void targetFinished(BuildEvent event)

  Not used Signals that a target has finished. This event will still be fired if an error occurred during the build.

  Specified by:
    `targetFinished` in interface `BuildListener`
  Parameters:
    `event` - An event with any relevant extra information. Must not be `null`.
  See Also:
    `BuildEvent.getException()`

### targetStarted

    public void targetStarted(BuildEvent event)

  Not used Signals that a target is starting.

  Specified by:
    `targetStarted` in interface `BuildListener`
  Parameters:
    `event` - An event with any relevant extra information. Must not be `null`.
  See Also:
    `BuildEvent.getTarget()`

### taskFinished

    public void taskFinished(BuildEvent event)

  The task outside of this JUnitResultFormatter is the task. So all tests passed and we could create the new java class.

  Specified by:
    `taskFinished` in interface `BuildListener`
  Parameters:
    `event` - not used
  See Also:
    `BuildListener.taskFinished(org.apache.tools.ant.BuildEvent)`

### taskStarted

    public void taskStarted(BuildEvent event)

  Not used Signals that a task is starting.

  Specified by:
    `taskStarted` in interface `BuildListener`
  Parameters:
    `event` - An event with any relevant extra information. Must not be `null`.
  See Also:
    `BuildEvent.getTask()`

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