ESO - Garching 23 June – 02 July, 2003 ACS Course JUnit for Java Unit Testing H. Sommer.

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ESO - Garching 23 June – 02 July, 2003 ACS Course JUnit for Java Unit Testing H. Sommer

ALMA Project 2Garching, 23 June – 02 July 2003ALMA Common Software course Simple Example see ACS/LGPL/CommonSoftware/acserr/test public class AcsJExceptionTest extends TestCase { mandatory base class public AcsJExceptionTest(String name) { super(name); } public void testErrorTraceToAcsJExConversion() { test method, recognized by try {“test” prefix throwConvertedAcsJException(); // throws a MyException } catch (AcsJException e) { assertTrue(e instanceof MyException); various assert methods assertEquals("remote call failed", e.getMessage()); Throwable cause1 = e.getCause(); assertNotNull(cause1); assertTrue(cause1 instanceof MyException && cause1 != e); assertEquals("low level ex", cause1.getMessage()); } } }

ALMA Project 3Garching, 23 June – 02 July 2003ALMA Common Software course Simple Example (2) see ACS/LGPL/CommonSoftware/acserr/test public static void main(String[] args) { junit.textui.TestRunner.run(AcsJExceptionTest.class); } abeansStart alma.exceptions.AcsJExceptionTest... Time: OK (3 tests)

ALMA Project 4Garching, 23 June – 02 July 2003ALMA Common Software course Eclipse support Class generation

ALMA Project 5Garching, 23 June – 02 July 2003ALMA Common Software course Eclipse support Test runs

ALMA Project 6Garching, 23 June – 02 July 2003ALMA Common Software course Example from jcontexmpl Looking at alma.demo.client.XmlComponentClient live in Eclipse

ALMA Project 7Garching, 23 June – 02 July 2003ALMA Common Software course Where to put Java test classes see Place the tests under your module’s test directory in a parallel directory structure with package alignment: mymodule/src alma xyz SomeClass.java mymodule/test alma xyz SomeClassTest.java This approach allows the tests to access all the public and package visible methods of the classes under test.

ALMA Project 8Garching, 23 June – 02 July 2003ALMA Common Software course Test Suites group tests see import junit.framework.*; public class AllTests { public static Test suite() { TestSuite suite = new TestSuite(); suite.addTest(SomeTest.suite()); suite.addTest(AnotherTest.suite()); return suite; } public static void main(String args[]) { junit.textui.TestRunner.run(suite()); } Running AllTests will automatically run all of its contained tests in one fell swoop. You can arbitrarily group any tests into test suites as appropriate by package, logical layers, test type, etc.

ALMA Project 9Garching, 23 June – 02 July 2003ALMA Common Software course Documentation, Links Cookbook: Very good FAQ JUnit for components: ALMA SE, I&T might want to look at this… Other unit testing frameworks (xUnit)

ALMA Project 10Garching, 23 June – 02 July 2003ALMA Common Software course Pattern Invasion…