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package dk.thoerup.circuitbreaker;
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import static org.junit.Assert.assertTrue;
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import java.io.IOException;
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import org.junit.Before;
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import org.junit.Test;
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import dk.thoerup.circuitbreaker.config.StaticConfig;
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import dk.thoerup.circuitbreaker.statistics.AccountingStatistics;
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public class TestAccountingCircuitBreaker {
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public static final int DELAY = 50;
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public static final int THRESHOLD = 2;
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AccountingStatistics stats;
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CircuitBreaker<String> acb;
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@Before public void setup() {
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stats = new AccountingStatistics();
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acb = new CircuitBreaker<>("test", new StaticConfig(THRESHOLD, DELAY) );
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acb.setStatistics(stats);
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}
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@Test public void initialValues() {
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assertTrue(stats.getBlockCount() == 0);
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assertTrue(stats.getTotalCallCount() == 0);
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assertTrue(stats.getTotalFailureCount() == 0);
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assertTrue(stats.getTripCount() == 0 );
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}
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@Test public void callCounter() throws Exception{
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acb.invoke( new SucceedingInvocation() );
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assertTrue( stats.getTotalCallCount() == 1);
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acb.invoke( new SucceedingInvocation() );
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assertTrue( stats.getTotalCallCount() == 2);
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}
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@Test public void testFailing() throws Exception{
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try{
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acb.invoke( new FailingInvocation() );
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} catch (IOException e) {}
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assertTrue( stats.getTotalFailureCount() == 1);
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try{
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acb.invoke( new FailingInvocation() );
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} catch (IOException e) {}
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assertTrue( stats.getTripCount() == 1 );
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assertTrue( stats.getTotalCallCount() == 2 );
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assertTrue( stats.getTotalFailureCount() == 2);
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}
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@Test public void testBlockCounter() {
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assertTrue( stats.getBlockCount() == 0);
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acb.tripBreaker();
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try {
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acb.invoke(new SucceedingInvocation() );
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} catch (Exception e) {}
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assertTrue( stats.getBlockCount() == 1);
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}
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}
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