src/test/java/pta/de/core/controller/ServicesConfigCacheTimerTaskTest.java

package pta.de.core.controller;

import org.easymock.EasyMock;
import org.eclipse.jetty.http.HttpStatus;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.powermock.reflect.Whitebox;
import pta.de.core.exceptions.HttpStatusException;

import static org.easymock.EasyMock.*;

public class ServicesConfigCacheTimerTaskTest {
    private static ServicesConfigCache saveScc;

    @BeforeClass
    public static void SaveState() {
        saveScc = Whitebox.getInternalState(ServicesConfigCache.class, "SERIVCECONFIGCACHE_INSTANCE");

    }

    @AfterClass
    public static void tearDown() {
        Whitebox.setInternalState(ServicesConfigCache.class, "SERIVCECONFIGCACHE_INSTANCE", saveScc);
    }

    @Test
    public void testRun() throws HttpStatusException {
        // ------------------ Prepare Test ----------------------
        final String EXCEPTION_TEXT = "Exception";

        ServicesConfigCache scc = EasyMock.createMock(ServicesConfigCache.class);
        scc.readServerDistribution(eq(EXCEPTION_TEXT));
        expectLastCall().andThrow(new HttpStatusException(HttpStatus.INTERNAL_SERVER_ERROR_500)).anyTimes();

        scc.readServerDistribution(not(eq(EXCEPTION_TEXT)));
        expectLastCall().anyTimes();

        replay( scc );

        Whitebox.setInternalState(ServicesConfigCache.class, "SERIVCECONFIGCACHE_INSTANCE", scc);


        // ---------------------------- Test it ------------------------------------------
        ServicesConfigCacheTimerTask task = new ServicesConfigCacheTimerTask(EXCEPTION_TEXT);

        task.run();

        // should run without problems
        ServicesConfigCacheTimerTask task2 = new ServicesConfigCacheTimerTask("No Error");
        task2.run();

        tearDown();
    }

}