Ant - JUnit Integration

JUnit is the commonly used unit testing framework for Java-based developments. It is easy to use and easy to extend. There are a number of JUnit extensions available. If you are unfamipar with JUnit, you should download it from www.junit.org and read its manual.

This chapter shows how to execute JUnit tests by using Ant. The use of Ant makes it straight forward through the JUnit task.

The attributes of the JUnit task are presented below −

Sr.No	Properties & Description
1	dir Where to invoke the VM from. This is ignored when fork is disabled.
2	jvm Command used to invoke the JVM. This is ignored when fork is disabled.
3	fork Runs the test in a separate JVM.
4	errorproperty The name of the property to set if there is a JUnit error.
5	failureproperty The name of the property to set if there is a JUnit failure.
6	haltonerror Stops execution when a test error occurs.
7	haltonfailure Stops execution when a failure occurs.
8	printsummary Advises Ant to display simple statistics for each test.
9	showoutput Advises Ant to send the output to its logs and formatters.
10	tempdir Path to the temporary file that Ant will use.
11	timeout Exits the tests that take longer to run than this setting (in milpseconds).

Let us continue the theme of the Hello World Fax web apppcation and add a JUnit target.

The following example shows a simple JUnit test execution −


<target name="unittest">
   <junit haltonfailure="true" printsummary="true">
      <test name="com.tutorialspoint.UtilsTest"/>
   </junit>
</target>

This example shows the execution of JUnit on the com.tutorialspoint.UtilsTest junit class.

Running the above code produces the following output −


test:
[echo] Testing the apppcation
[junit] Running com.tutorialspoint.UtilsTest
[junit] Tests run: 12, Failures: 0, Errors: 0, Time elapsed: 16.2 sec
BUILD PASSED

Ant - JUnit Integration

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