net.sourceforge.vulcan.spring.SpringEventPoolTest.java Source code

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Here is the source code for net.sourceforge.vulcan.spring.SpringEventPoolTest.java

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/*
 * Vulcan Build Manager
 * Copyright (C) 2005-2012 Chris Eldredge
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package net.sourceforge.vulcan.spring;

import java.util.Date;
import java.util.List;

import junit.framework.TestCase;

import net.sourceforge.vulcan.event.BuildCompletedEvent;
import net.sourceforge.vulcan.event.ErrorEvent;
import net.sourceforge.vulcan.event.Event;
import net.sourceforge.vulcan.event.EventType;
import net.sourceforge.vulcan.spring.EventBridge;
import net.sourceforge.vulcan.spring.SpringEventPool;

import org.springframework.context.ApplicationEvent;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.support.GenericApplicationContext;

public class SpringEventPoolTest extends TestCase {
    SpringEventPool pool = new SpringEventPool();

    ApplicationEvent event;

    @Override
    public void setUp() throws Exception {
        event = new EventBridge(new BuildCompletedEvent(this, null, null, null));
    }

    public void testHoldsEvents() {
        assertEquals(0, pool.events.size());

        pool.onApplicationEvent(event);

        assertEquals(1, pool.events.size());
    }

    public void testDoesNotHoldUnknownEvents() {
        assertEquals(0, pool.events.size());

        pool.onApplicationEvent(new ContextRefreshedEvent(new GenericApplicationContext()));

        assertEquals(0, pool.events.size());
    }

    public void testLimitsSize() {
        pool.setMaxSize(1);

        assertEquals(0, pool.events.size());

        pool.onApplicationEvent(event);

        assertEquals(1, pool.events.size());

        EventBridge e2 = new EventBridge(new BuildCompletedEvent(this, null, null, null));

        pool.onApplicationEvent(e2);

        assertEquals(1, pool.events.size());

        assertSame(e2.getEvent(), pool.events.get(0));
    }

    public void testSetMaxTruncates() {
        pool.onApplicationEvent(new EventBridge(new BuildCompletedEvent(this, null, null, null)));

        final EventBridge middle = new EventBridge(new BuildCompletedEvent(this, null, null, null));
        pool.onApplicationEvent(middle);

        final EventBridge mostRecent = new EventBridge(new BuildCompletedEvent(this, null, null, null));

        pool.onApplicationEvent(mostRecent);

        assertEquals(3, pool.getEvents(EventType.ALL).size());

        pool.setMaxSize(2);

        assertEquals(2, pool.getEvents(EventType.ALL).size());

        assertSame(mostRecent.getEvent(), pool.getEvents(EventType.ALL).get(0));
        assertSame(middle.getEvent(), pool.getEvents(EventType.ALL).get(1));

        pool.setMaxSize(1);

        assertEquals(1, pool.getEvents(EventType.ALL).size());

        assertSame(mostRecent.getEvent(), pool.getEvents(EventType.ALL).get(0));
    }

    public void testGetBuildEvents() {
        final BuildCompletedEvent buildCompletedEvent1 = new BuildCompletedEvent(this, null, null, null);
        final BuildCompletedEvent buildCompletedEvent2 = new BuildCompletedEvent(this, null, null, null);
        pool.onApplicationEvent(new EventBridge(buildCompletedEvent1));
        pool.onApplicationEvent(new EventBridge(new ErrorEvent(this, null, null)));
        pool.onApplicationEvent(new EventBridge(buildCompletedEvent2));
        pool.onApplicationEvent(new EventBridge(new Event() {
            public Object getSource() {
                return this;
            }

            public String getKey() {
                return null;
            }

            public Object[] getArgs() {
                return null;
            }

            public Date getDate() {
                return null;
            }
        }));

        List<Event> blist = pool.getEvents("BUILD");

        assertEquals(2, blist.size());

        // Build events should come back in reverse chronological order (newest first)
        assertSame(buildCompletedEvent2, blist.get(0));
        assertSame(buildCompletedEvent1, blist.get(1));
    }

    public void testGetInvalidType() {
        try {
            pool.getEvents("NONESUCH");
            fail("expected exception");
        } catch (IllegalArgumentException e) {
        }

        try {
            pool.getEvents((String) null);
            fail("expected exception");
        } catch (NullPointerException e) {
        }
    }

    public void testGetAllGetsAll() {
        pool.onApplicationEvent(new EventBridge(new BuildCompletedEvent(this, null, null, null)));
        pool.onApplicationEvent(new EventBridge(new ErrorEvent(this, null, null)));
        pool.onApplicationEvent(new EventBridge(new Event() {
            public Object getSource() {
                return this;
            }

            public String getKey() {
                return null;
            }

            public Object[] getArgs() {
                return null;
            }

            public Date getDate() {
                return null;
            }
        }));

        List<Event> list = pool.getEvents(EventType.ALL);

        assertEquals(3, list.size());
    }

    public void testSplitsTypesByComma() {
        pool.onApplicationEvent(new EventBridge(new BuildCompletedEvent(this, null, null, null)));
        pool.onApplicationEvent(new EventBridge(new ErrorEvent(this, null, null)));
        pool.onApplicationEvent(new EventBridge(new Event() {
            public Object getSource() {
                return this;
            }

            public String getKey() {
                return null;
            }

            public Object[] getArgs() {
                return null;
            }

            public Date getDate() {
                return null;
            }
        }));

        List<Event> list = pool.getEvents(EventType.BUILD.name() + "," + EventType.ERROR.name());

        assertEquals(2, list.size());
    }
}