webwork/src/test/webwork/action/factory SessionMapTestCase.java,NONE,1.1

Update of /cvsroot/opensymphony/webwork/src/test/webwork/action/factory
In directory sc8-pr-cvs1:/tmp/cvs-serv6667/src/test/webwork/action/factory

Added Files:
	SessionMapTestCase.java 
Log Message:
Fix for WW-428

--- NEW FILE: SessionMapTestCase.java ---
package webwork.action.factory;

import com.mockobjects.constraint.Constraint;
import com.mockobjects.constraint.IsEqual;
import com.mockobjects.constraint.IsAnything;
import com.mockobjects.dynamic.Mock;
import junit.framework.TestCase;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.HashMap;

/**
 * @author Robert Dawson ([email protected])
 */
public class SessionMapTestCase extends TestCase {
    public void testGetOnSessionMapUsesWrappedSessionsGetAttribute() throws Exception {
        Mock sessionMock = new Mock(HttpSession.class);
        Object value = new Object();
        sessionMock.expectAndReturn("getAttribute", new Constraint[]{new IsEqual("KEY")}, value);
        SessionMap sessionMap = new SessionMap((HttpSession) sessionMock.proxy());
        assertEquals("Expected the get using KEY to return the value object setup in the mockSession", value, sessionMap.get("KEY"));
        sessionMock.verify();
    }
    public void testPutOnSessionMapUsesWrappedSessionsSetsAttribute() throws Exception {
        Mock sessionMock = new Mock(HttpSession.class);
        Object value = new Object();
        sessionMock.expect("getAttribute",new Constraint[]{new IsAnything()});
        sessionMock.expect("setAttribute", new Constraint[]{new IsEqual("KEY"),new IsEqual(value)});
        SessionMap sessionMap = new SessionMap((HttpSession) sessionMock.proxy());
        sessionMap.put("KEY", value);
        sessionMock.verify();
    }

    /**
     * class that extends session map, making the values available in a local map -- useful
     * for confirming put and get calls in the superclass. ie useful for testing that the get is done before
     * putting new data into the map.
     */
    private class MockSessionMap extends SessionMap{
        public MockSessionMap(HttpSession s) {
            super(s);
        }
        private Map map = new HashMap();
        public Object get(Object key) {
            return map.get(key);
        }

        public Object put(Object key, Object value) {
            Object originalValue = super.put(key, value);
            map.put(key,value); //put the value into our map after putting it in the superclass map to avoid polluting the get call.

            return originalValue;
        }
    }
    public void testPuttingObjectInMapReturnsNullForPreviouslyUnusedKey() throws Exception {
        Mock sessionMock = new Mock(HttpSession.class);
        Object value = new Object();
        sessionMock.expect("setAttribute", new Constraint[]{new IsEqual("KEY"),new IsEqual(value)});
        MockSessionMap sessionMap = new MockSessionMap((HttpSession) sessionMock.proxy());
        assertNull("should be null, as the contract for Map says that put returns the previous value in the map for the key",sessionMap.put("KEY", value));
        sessionMock.verify();
    }

    public void testPuttingObjectInMapReturnsPreviousValueForKey() throws Exception {
        Mock sessionMock = new Mock(HttpSession.class);
        Object originalValue = new Object();
        Object value = new Object();
        sessionMock.expect("setAttribute", new Constraint[]{new IsEqual("KEY"),new IsEqual(originalValue)});
        sessionMock.expect("setAttribute", new Constraint[]{new IsEqual("KEY"),new IsEqual(value)});
        MockSessionMap sessionMap = new MockSessionMap((HttpSession) sessionMock.proxy());
        sessionMap.put("KEY", originalValue);
        assertEquals("should be the OriginalValue, as the contract for Map says that put returns the previous value in the map for the key",originalValue, sessionMap.put("KEY", value));
        sessionMock.verify();
    }

    public void testRemovePassThroughCallToRemoveAttribute() throws Exception {
        Mock sessionMock = new Mock(HttpSession.class);
        Object value = new Object();
        sessionMock.expectAndReturn("getAttribute", new Constraint[]{new IsEqual("KEY")}, value);
        sessionMock.expect("removeAttribute", new Constraint[]{new IsEqual("KEY")});
        SessionMap sessionMap = new SessionMap((HttpSession) sessionMock.proxy());
        assertEquals(value, sessionMap.remove("KEY"));
        sessionMock.verify();
    }
    public void testClearInvalidatesTheSession() throws Exception {
        Mock sessionMock = new Mock(HttpSession.class);
        sessionMock.expect("invalidate");
        SessionMap sessionMap = new SessionMap((HttpSession) sessionMock.proxy());
        sessionMap.clear();
        sessionMock.verify();
    }
}




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