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package net.sourceforge.cruisecontrol;

import net.sourceforge.cruisecontrol.BuildQueue.Listener;
import junit.framework.TestCase;

public class BuildQueueTest extends TestCase {

    private BuildQueue queue;

    protected void setUp() throws Exception {
        queue = new BuildQueue();
    }

    public void testListener() {
        TestListener listener = new TestListener();
        queue.addListener(listener);
        assertFalse(listener.wasBuildRequested());
        queue.requestBuild(new ProjectConfig());
        assertTrue(listener.wasBuildRequested());
    }

    public void testListenerExceptionShouldNotLeakOut() {
        Listener listener = new Listener() {
            public void buildRequested() {
                throw new RuntimeException("project before queued exception");
            }
        };

        queue.addListener(listener);
        queue.requestBuild(new ProjectConfig());
    }

    class TestListener implements Listener {
        private boolean buildRequested = false;

        boolean wasBuildRequested() {
            return buildRequested;
        }

        public void buildRequested() {
            buildRequested = true;
        }
    }


    /**
     * Unit test helper method to allow tests access to package visible method, w/out exposing setter in production API.
     * @param testBuildQueue the unit test buildQueue to be started
     */
    public static void startBuildQueue(final BuildQueue testBuildQueue) {
        testBuildQueue.start();
    }
}