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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.utils.communication.http;
import com.yahoo.vespa.clustercontroller.utils.communication.async.AsyncOperation;
import com.yahoo.vespa.clustercontroller.utils.communication.async.AsyncOperationImpl;
import com.yahoo.vespa.clustercontroller.utils.communication.async.AsyncUtils;
import com.yahoo.vespa.clustercontroller.utils.test.FakeClock;
import junit.framework.TestCase;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
public class TimeoutHandlerTest extends TestCase {
public class TestClient implements AsyncHttpClient<HttpResult> {
AsyncOperationImpl<HttpResult> lastOp;
@Override
public AsyncOperation<HttpResult> execute(HttpRequest r) {
return lastOp = new AsyncOperationImpl<>("test");
}
@Override
public void close() {}
};
private ThreadPoolExecutor executor;
private TestClient client;
private FakeClock clock;
private TimeoutHandler<HttpResult> handler;
public void setUp() {
executor = new ThreadPoolExecutor(10, 100, 100, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(1000));
clock = new FakeClock();
client = new TestClient();
handler = new TimeoutHandler<>(executor, clock, client);
}
public void tearDown() {
handler.close();
executor.shutdown();
}
public void testTimeout() {
AsyncOperation<HttpResult> op = handler.execute(new HttpRequest().setTimeout(1000));
assertFalse(op.isDone());
clock.adjust(999);
// Give it a bit of time for timeout handler to have a chance of timout out prematurely
try{ Thread.sleep(1); } catch (InterruptedException e) {}
assertFalse(op.isDone());
clock.adjust(1);
AsyncUtils.waitFor(op);
assertTrue(op.isDone());
assertFalse(op.isSuccess());
assertTrue(op.getCause().getMessage(), op.getCause().getMessage().contains("Operation timeout"));
// After timeout, finishing the original request no longer matter
client.lastOp.setResult(new HttpResult());
assertFalse(op.isSuccess());
assertTrue(op.getCause().getMessage(), op.getCause().getMessage().contains("Operation timeout"));
}
public void testNoTimeout() {
AsyncOperation<HttpResult> op = handler.execute(new HttpRequest().setTimeout(1000));
clock.adjust(999);
assertFalse(op.isDone());
client.lastOp.setResult(new HttpResult().setContent("foo"));
AsyncUtils.waitFor(op);
assertTrue(op.isDone());
assertTrue(op.isSuccess());
assertEquals("foo", op.getResult().getContent());
}
public void testNoTimeoutFailing() {
AsyncOperation<HttpResult> op = handler.execute(new HttpRequest().setTimeout(1000));
clock.adjust(999);
assertFalse(op.isDone());
client.lastOp.setFailure(new Exception("foo"));
AsyncUtils.waitFor(op);
assertTrue(op.isDone());
assertFalse(op.isSuccess());
assertEquals("foo", op.getCause().getMessage());
}
public void testProvokeCompletedOpPurgeInTimeoutList() {
AsyncOperation<HttpResult> op1 = handler.execute(new HttpRequest().setTimeout(1000));
AsyncOperationImpl<HttpResult> op1Internal = client.lastOp;
clock.adjust(300);
AsyncOperation<HttpResult> op2 = handler.execute(new HttpRequest().setTimeout(1000));
clock.adjust(300);
op1Internal.setResult(new HttpResult().setContent("foo"));
AsyncUtils.waitFor(op1);
clock.adjust(800);
AsyncUtils.waitFor(op2);
assertEquals(true, op1.isDone());
assertEquals(true, op2.isDone());
assertEquals(true, op1.isSuccess());
assertEquals(false, op2.isSuccess());
}
public void testNothingButGetCoverage() {
AsyncOperation<HttpResult> op = handler.execute(new HttpRequest().setTimeout(1000));
op.getProgress();
op.cancel();
assertFalse(op.isCanceled()); // Cancel not currently supported
client.lastOp.setResult(new HttpResult().setContent("foo"));
AsyncUtils.waitFor(op);
op.getProgress();
op = handler.execute(new HttpRequest().setTimeout(1000));
handler.performTimeoutHandlerTick();
handler.performTimeoutHandlerTick();
client.lastOp.setResult(new HttpResult().setContent("foo"));
AsyncUtils.waitFor(op);
}
}
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