There's a number of approaches you can take to unit-test your WebWork actions.
The simplest is to instantiate your actions, call setters then execute(). This allows you to bypass all the complicated container setup.
Taken from Petsoar:
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package org.petsoar.actions.inventory;
import com.mockobjects.constraint.IsEqual;
import com.mockobjects.dynamic.C;
import com.mockobjects.dynamic.Mock;
import com.opensymphony.xwork.Action;
import junit.framework.TestCase;
import org.petsoar.pets.Pet;
import org.petsoar.pets.PetStore;
public class TestViewPet extends TestCase {
private Mock mockPetStore;
private ViewPet action;
protected void setUp() throws Exception {
mockPetStore = new Mock(PetStore.class);
PetStore petStore = (PetStore) mockPetStore.proxy();
action = new ViewPet();
action.setPetStore(petStore);
}
public void testViewPet() throws Exception {
Pet existingPet = new Pet();
existingPet.setName("harry");
existingPet.setId(1);
Pet expectedPet = new Pet();
expectedPet.setName("harry");
expectedPet.setId(1);
mockPetStore.expectAndReturn("getPet", C.args(new IsEqual(new Long(1))), existingPet);
action.setId(1);
String result = action.execute();
assertEquals(Action.SUCCESS, result);
assertEquals(expectedPet, existingPet);
mockPetStore.verify();
}
public void testViewPetNoId() throws Exception {
mockPetStore.expectAndReturn("getPet", C.ANY_ARGS, null);
String result = action.execute();
assertEquals(Action.ERROR, result);
assertEquals(1, action.getActionErrors().size());
assertEquals("Invalid pet selected.", action.getActionErrors().iterator().next());
assertNull(action.getPet());
mockPetStore.verify();
}
public void testViewPetInvalidId() throws Exception {
action.setId(-1);
testViewPetNoId();
}
}
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Test interceptors and/or result types
Check out the test suites in XWork/WebWork. These are pretty comprehensive and provide a good starting point. For example, this is how the ParametersInterceptor is tested:
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public void testDoesNotAllowMethodInvocations() { Map params = new HashMap(); params.put("@java.lang.System@exit(1).dummy", "dumb value"); HashMap extraContext = new HashMap(); extraContext.put(ActionContext.PARAMETERS, params); try { ActionProxy proxy = ActionProxyFactory.getFactory().createActionProxy("", MockConfigurationProvider.MODEL_DRIVEN_PARAM_TEST, extraContext); assertEquals(Action.SUCCESS, proxy.execute()); ModelDrivenAction action = (ModelDrivenAction) proxy.getAction(); TestBean model = (TestBean) action.getModel(); String property = System.getProperty("webwork.security.test"); assertNull(property); } catch (Exception e) { e.printStackTrace(); fail(); } } |
Note: these are not the ONLY ways so make your own judgement.