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package org.apache.camel.component.mock; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.concurrent.CopyOnWriteArrayList; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.TimeUnit; |
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import org.apache.camel.Component; |
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import org.apache.camel.Consumer; |
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import org.apache.camel.Exchange; |
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import org.apache.camel.Expression; |
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import org.apache.camel.Message; |
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import org.apache.camel.Processor; |
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import org.apache.camel.Producer; |
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import org.apache.camel.impl.DefaultEndpoint; |
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import org.apache.camel.impl.DefaultExchange; |
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import org.apache.camel.impl.DefaultProducer; |
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import org.apache.camel.util.ExpressionComparator; |
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import org.apache.camel.util.ObjectHelper; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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public class MockEndpoint extends DefaultEndpoint<Exchange> { |
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private static final transient Log LOG = LogFactory.getLog(MockEndpoint.class); |
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private int expectedCount = -1; |
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private int counter; |
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private Map<Integer, Processor> processors = new HashMap<Integer, Processor>(); |
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private List<Exchange> receivedExchanges = new CopyOnWriteArrayList<Exchange>(); |
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private List<Throwable> failures = new CopyOnWriteArrayList<Throwable>(); |
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private List<Runnable> tests = new CopyOnWriteArrayList<Runnable>(); |
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private CountDownLatch latch; |
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private long sleepForEmptyTest = 1000L; |
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private long defaulResultWaitMillis = 20000L; |
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private int expectedMinimumCount = -1; |
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private List expectedBodyValues; |
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private List actualBodyValues = new ArrayList(); |
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public MockEndpoint(String endpointUri, Component component) { |
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super(endpointUri, component); |
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} |
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public static void assertWait(long timeout, TimeUnit unit, MockEndpoint... endpoints) throws InterruptedException { |
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long start = System.currentTimeMillis(); |
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long left = unit.toMillis(timeout); |
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long end = start + left; |
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for (MockEndpoint endpoint : endpoints) { |
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if (!endpoint.await(left, TimeUnit.MILLISECONDS)) { |
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throw new AssertionError("Timeout waiting for endpoints to receive enough messages. " + endpoint.getEndpointUri() + " timed out."); |
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} |
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left = end - System.currentTimeMillis(); |
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if (left <= 0) { |
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left = 0; |
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} |
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} |
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} |
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public static void assertIsSatisfied(long timeout, TimeUnit unit, MockEndpoint... endpoints) throws InterruptedException { |
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assertWait(timeout, unit, endpoints); |
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for (MockEndpoint endpoint : endpoints) { |
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endpoint.assertIsSatisfied(); |
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} |
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} |
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public static void assertIsSatisfied(MockEndpoint... endpoints) throws InterruptedException { |
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for (MockEndpoint endpoint : endpoints) { |
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endpoint.assertIsSatisfied(); |
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} |
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} |
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public static void expectsMessageCount(int count, MockEndpoint... endpoints) throws InterruptedException { |
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for (MockEndpoint endpoint : endpoints) { |
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endpoint.expectsMessageCount(count); |
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} |
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} |
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public Exchange createExchange() { |
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return new DefaultExchange(getContext()); |
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} |
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public Consumer<Exchange> createConsumer(Processor processor) throws Exception { |
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throw new UnsupportedOperationException("You cannot consume from this endpoint"); |
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} |
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public Producer<Exchange> createProducer() throws Exception { |
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return new DefaultProducer<Exchange>(this) { |
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public void process(Exchange exchange) { |
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onExchange(exchange); |
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} |
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}; |
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} |
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public void assertIsSatisfied() throws InterruptedException { |
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assertIsSatisfied(sleepForEmptyTest); |
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} |
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public void assertIsSatisfied(long timeoutForEmptyEndpoints) throws InterruptedException { |
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if (expectedCount >= 0) { |
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if (expectedCount != getReceivedCounter()) { |
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if (expectedCount == 0) { |
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if (timeoutForEmptyEndpoints > 0) { |
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LOG.debug("Sleeping for: " + timeoutForEmptyEndpoints + " millis to check there really are no messages received"); |
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Thread.sleep(timeoutForEmptyEndpoints); |
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} |
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} else { |
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waitForCompleteLatch(); |
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} |
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} |
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assertEquals("Received message count", expectedCount, getReceivedCounter()); |
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} else if (expectedMinimumCount > 0 && getReceivedCounter() < expectedMinimumCount) { |
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waitForCompleteLatch(); |
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} |
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if (expectedMinimumCount >= 0) { |
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int receivedCounter = getReceivedCounter(); |
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assertTrue("Received message count " + receivedCounter + ", expected at least " + expectedCount, expectedCount <= receivedCounter); |
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} |
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for (Runnable test : tests) { |
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test.run(); |
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} |
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for (Throwable failure : failures) { |
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if (failure != null) { |
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LOG.error("Caught on " + getEndpointUri() + " Exception: " + failure, failure); |
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fail("Failed due to caught exception: " + failure); |
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} |
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} |
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} |
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public void assertIsNotSatisfied() throws InterruptedException { |
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try { |
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assertIsSatisfied(); |
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fail("Expected assertion failure!"); |
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} catch (AssertionError e) { |
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LOG.info("Caught expected failure: " + e); |
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} |
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} |
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public void expectedMessageCount(int expectedCount) { |
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this.expectedCount = expectedCount; |
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if (expectedCount <= 0) { |
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latch = null; |
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} else { |
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latch = new CountDownLatch(expectedCount); |
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} |
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} |
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public void expectedMinimumMessageCount(int expectedCount) { |
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this.expectedMinimumCount = expectedCount; |
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if (expectedCount <= 0) { |
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latch = null; |
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} else { |
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latch = new CountDownLatch(expectedMinimumCount); |
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} |
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} |
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public void expectedBodiesReceived(final List bodies) { |
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expectedMessageCount(bodies.size()); |
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this.expectedBodyValues = bodies; |
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this.actualBodyValues = new ArrayList(); |
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expects(new Runnable() { |
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public void run() { |
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for (int i = 0; i < expectedBodyValues.size(); i++) { |
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Exchange exchange = getReceivedExchanges().get(i); |
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assertTrue("No exchange received for counter: " + i, exchange != null); |
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Object expectedBody = expectedBodyValues.get(i); |
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Object actualBody = actualBodyValues.get(i); |
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assertEquals("Body of message: " + i, expectedBody, actualBody); |
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} |
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} |
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}); |
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} |
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public void expectedBodiesReceived(Object... bodies) { |
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List bodyList = new ArrayList(); |
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for (Object body : bodies) { |
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bodyList.add(body); |
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} |
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expectedBodiesReceived(bodyList); |
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} |
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public void expectsAscending(final Expression<Exchange> expression) { |
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expects(new Runnable() { |
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public void run() { |
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assertMessagesAscending(expression); |
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} |
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}); |
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} |
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public void expectsDescending(final Expression<Exchange> expression) { |
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expects(new Runnable() { |
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public void run() { |
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assertMessagesDescending(expression); |
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} |
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}); |
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} |
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public void expectsNoDuplicates(final Expression<Exchange> expression) { |
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expects(new Runnable() { |
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public void run() { |
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assertNoDuplicates(expression); |
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3 |
} |
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}); |
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6 |
} |
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public void assertMessagesAscending(Expression<Exchange> expression) { |
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6 |
assertMessagesSorted(expression, true); |
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} |
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public void assertMessagesDescending(Expression<Exchange> expression) { |
| 307 |
6 |
assertMessagesSorted(expression, false); |
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3 |
} |
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protected void assertMessagesSorted(Expression<Exchange> expression, boolean ascending) { |
| 311 |
12 |
String type = ascending ? "ascending" : "descending"; |
| 312 |
12 |
ExpressionComparator comparator = new ExpressionComparator(expression); |
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12 |
List<Exchange> list = getReceivedExchanges(); |
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54 |
for (int i = 1; i < list.size(); i++) { |
| 315 |
48 |
int j = i - 1; |
| 316 |
48 |
Exchange e1 = list.get(j); |
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48 |
Exchange e2 = list.get(i); |
| 318 |
48 |
int result = comparator.compare(e1, e2); |
| 319 |
48 |
if (result == 0) { |
| 320 |
0 |
fail("Messages not " + type + ". Messages" + j + " and " + i + " are equal with value: " + expression.evaluate(e1) + " for expression: " + expression + ". Exchanges: " + e1 + " and " |
| 321 |
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+ e2); |
| 322 |
0 |
} else { |
| 323 |
48 |
if (!ascending) { |
| 324 |
24 |
result = result * -1; |
| 325 |
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} |
| 326 |
48 |
if (result > 0) { |
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fail("Messages not " + type + ". Message " + j + " has value: " + expression.evaluate(e1) + " and message " + i + " has value: " + expression.evaluate(e2) + " for expression: " |
| 328 |
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+ expression + ". Exchanges: " + e1 + " and " + e2); |
| 329 |
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} |
| 330 |
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} |
| 331 |
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} |
| 332 |
6 |
} |
| 333 |
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public void assertNoDuplicates(Expression<Exchange> expression) { |
| 335 |
6 |
Map<Object, Exchange> map = new HashMap<Object, Exchange>(); |
| 336 |
6 |
List<Exchange> list = getReceivedExchanges(); |
| 337 |
33 |
for (int i = 0; i < list.size(); i++) { |
| 338 |
30 |
Exchange e2 = list.get(i); |
| 339 |
30 |
Object key = expression.evaluate(e2); |
| 340 |
30 |
Exchange e1 = map.get(key); |
| 341 |
30 |
if (e1 != null) { |
| 342 |
3 |
fail("Duplicate message found on message " + i + " has value: " + key + " for expression: " + expression + ". Exchanges: " + e1 + " and " + e2); |
| 343 |
0 |
} else { |
| 344 |
27 |
map.put(key, e2); |
| 345 |
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} |
| 346 |
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} |
| 347 |
3 |
} |
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public void expects(Runnable runnable) { |
| 354 |
105 |
tests.add(runnable); |
| 355 |
105 |
} |
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public AssertionClause message(final int messageIndex) { |
| 364 |
12 |
AssertionClause clause = new AssertionClause() { |
| 365 |
12 |
public void run() { |
| 366 |
12 |
applyAssertionOn(MockEndpoint.this, messageIndex, assertExchangeReceived(messageIndex)); |
| 367 |
12 |
} |
| 368 |
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}; |
| 369 |
12 |
expects(clause); |
| 370 |
12 |
return clause; |
| 371 |
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} |
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| 377 |
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public AssertionClause allMessages() { |
| 379 |
0 |
AssertionClause clause = new AssertionClause() { |
| 380 |
0 |
public void run() { |
| 381 |
0 |
List<Exchange> list = getReceivedExchanges(); |
| 382 |
0 |
int index = 0; |
| 383 |
0 |
for (Exchange exchange : list) { |
| 384 |
0 |
applyAssertionOn(MockEndpoint.this, index++, exchange); |
| 385 |
0 |
} |
| 386 |
0 |
} |
| 387 |
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}; |
| 388 |
0 |
expects(clause); |
| 389 |
0 |
return clause; |
| 390 |
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} |
| 391 |
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| 392 |
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| 393 |
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| 394 |
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| 395 |
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public Exchange assertExchangeReceived(int index) { |
| 396 |
12 |
int count = getReceivedCounter(); |
| 397 |
12 |
assertTrue("Not enough messages received. Was: " + count, count > index); |
| 398 |
12 |
return getReceivedExchanges().get(index); |
| 399 |
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} |
| 400 |
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| 401 |
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| 402 |
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| 403 |
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public List<Throwable> getFailures() { |
| 404 |
0 |
return failures; |
| 405 |
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} |
| 406 |
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| 407 |
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public int getReceivedCounter() { |
| 408 |
621 |
return getReceivedExchanges().size(); |
| 409 |
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} |
| 410 |
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| 411 |
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public List<Exchange> getReceivedExchanges() { |
| 412 |
762 |
return receivedExchanges; |
| 413 |
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} |
| 414 |
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| 415 |
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public int getExpectedCount() { |
| 416 |
0 |
return expectedCount; |
| 417 |
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} |
| 418 |
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| 419 |
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public long getSleepForEmptyTest() { |
| 420 |
0 |
return sleepForEmptyTest; |
| 421 |
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} |
| 422 |
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| 424 |
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| 426 |
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| 427 |
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| 428 |
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| 429 |
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| 430 |
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public void setSleepForEmptyTest(long sleepForEmptyTest) { |
| 431 |
0 |
this.sleepForEmptyTest = sleepForEmptyTest; |
| 432 |
0 |
} |
| 433 |
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| 434 |
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public long getDefaulResultWaitMillis() { |
| 435 |
0 |
return defaulResultWaitMillis; |
| 436 |
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} |
| 437 |
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| 438 |
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| 439 |
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| 440 |
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| 441 |
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| 442 |
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public void setDefaulResultWaitMillis(long defaulResultWaitMillis) { |
| 443 |
18 |
this.defaulResultWaitMillis = defaulResultWaitMillis; |
| 444 |
18 |
} |
| 445 |
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| 446 |
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| 447 |
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| 448 |
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protected synchronized void onExchange(Exchange exchange) { |
| 449 |
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try { |
| 450 |
279 |
Message in = exchange.getIn(); |
| 451 |
279 |
Object actualBody = in.getBody(); |
| 452 |
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|
| 453 |
279 |
if (expectedBodyValues != null) { |
| 454 |
108 |
int index = actualBodyValues.size(); |
| 455 |
108 |
if (expectedBodyValues.size() > index) { |
| 456 |
105 |
Object expectedBody = expectedBodyValues.get(index); |
| 457 |
105 |
if (expectedBody != null) { |
| 458 |
105 |
actualBody = in.getBody(expectedBody.getClass()); |
| 459 |
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} |
| 460 |
105 |
actualBodyValues.add(actualBody); |
| 461 |
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} |
| 462 |
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} |
| 463 |
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| 464 |
279 |
LOG.debug(getEndpointUri() + " >>>> " + (++counter) + " : " + exchange + " with body: " + actualBody); |
| 465 |
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| 466 |
279 |
receivedExchanges.add(exchange); |
| 467 |
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| 468 |
279 |
Processor processor = processors.get(getReceivedCounter()); |
| 469 |
279 |
if (processor != null) { |
| 470 |
0 |
processor.process(exchange); |
| 471 |
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} |
| 472 |
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| 473 |
279 |
if (latch != null) { |
| 474 |
186 |
latch.countDown(); |
| 475 |
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} |
| 476 |
0 |
} catch (Exception e) { |
| 477 |
0 |
failures.add(e); |
| 478 |
279 |
} |
| 479 |
279 |
} |
| 480 |
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|
| 481 |
|
protected void waitForCompleteLatch() throws InterruptedException { |
| 482 |
30 |
if (latch == null) { |
| 483 |
0 |
fail("Should have a latch!"); |
| 484 |
|
} |
| 485 |
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|
| 486 |
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| 487 |
30 |
LOG.debug("Waiting on the latch for: " + defaulResultWaitMillis + " millis"); |
| 488 |
30 |
latch.await(defaulResultWaitMillis, TimeUnit.MILLISECONDS); |
| 489 |
30 |
} |
| 490 |
|
|
| 491 |
|
protected void assertEquals(String message, Object expectedValue, Object actualValue) { |
| 492 |
267 |
if (!ObjectHelper.equals(expectedValue, actualValue)) { |
| 493 |
3 |
fail(message + ". Expected: <" + expectedValue + "> but was: <" + actualValue + ">"); |
| 494 |
|
} |
| 495 |
264 |
} |
| 496 |
|
|
| 497 |
|
protected void assertTrue(String message, boolean predicate) { |
| 498 |
114 |
if (!predicate) { |
| 499 |
0 |
fail(message); |
| 500 |
|
} |
| 501 |
114 |
} |
| 502 |
|
|
| 503 |
|
protected void fail(Object message) { |
| 504 |
12 |
if (LOG.isDebugEnabled()) { |
| 505 |
0 |
List<Exchange> list = getReceivedExchanges(); |
| 506 |
0 |
int index = 0; |
| 507 |
0 |
for (Exchange exchange : list) { |
| 508 |
0 |
LOG.debug("Received[" + (++index) + "]: " + exchange); |
| 509 |
0 |
} |
| 510 |
|
} |
| 511 |
12 |
throw new AssertionError(getEndpointUri() + " " + message); |
| 512 |
|
} |
| 513 |
|
|
| 514 |
|
public int getExpectedMinimumCount() { |
| 515 |
0 |
return expectedMinimumCount; |
| 516 |
|
} |
| 517 |
|
|
| 518 |
|
public void await() throws InterruptedException { |
| 519 |
0 |
if (latch != null) { |
| 520 |
0 |
latch.await(); |
| 521 |
|
} |
| 522 |
0 |
} |
| 523 |
|
|
| 524 |
|
public boolean await(long timeout, TimeUnit unit) throws InterruptedException { |
| 525 |
0 |
if (latch != null) { |
| 526 |
0 |
return latch.await(timeout, unit); |
| 527 |
|
} |
| 528 |
0 |
return true; |
| 529 |
|
} |
| 530 |
|
|
| 531 |
|
public boolean isSingleton() { |
| 532 |
246 |
return true; |
| 533 |
|
} |
| 534 |
|
|
| 535 |
|
} |