org.mule.transport.http.HttpConnectorTestCase.java Source code

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/*
 * $Id$
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.transport.http;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.when;

import org.mule.api.endpoint.InboundEndpoint;
import org.mule.api.service.Service;
import org.mule.api.transport.Connector;
import org.mule.api.transport.MessageReceiver;
import org.mule.api.transport.NoReceiverForEndpointException;
import org.mule.tck.testmodels.fruit.Orange;
import org.mule.transport.AbstractConnectorTestCase;
import org.mule.transport.tcp.TcpConnector;

import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
import org.hamcrest.core.Is;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Answers;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

@RunWith(MockitoJUnitRunner.class)
public class HttpConnectorTestCase extends AbstractConnectorTestCase {

    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private HttpMessageReceiver mockServiceOrderReceiverPort5555;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private HttpMessageReceiver mockServiceReceiverPort5555;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private HttpMessageReceiver mockServiceOrderReceiverPort7777;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private HttpMessageReceiver mockServiceReceiverPort7777;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private HttpMessageReceiver mockServiceReceiverAnotherHost;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private HttpMessageReceiver mockReceiverPort5555;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private HttpRequest mockHttpRequest;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private Socket mockSocket;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private RequestLine mockRequestLine;

    @Override
    public Connector createConnector() throws Exception {
        HttpConnector c = new HttpConnector(muleContext);
        c.setName("HttpConnector");
        return c;
    }

    public String getTestEndpointURI() {
        return "http://localhost:60127";
    }

    public Object getValidMessage() throws Exception {
        return "Hello".getBytes();
    }

    @Test
    public void testValidListener() throws Exception {
        Service service = getTestService("orange", Orange.class);
        InboundEndpoint endpoint = muleContext.getEndpointFactory().getInboundEndpoint(getTestEndpointURI());

        getConnector().registerListener(endpoint, getSensingNullMessageProcessor(), service);
    }

    @Test
    public void testProperties() throws Exception {
        HttpConnector c = (HttpConnector) getConnector();

        c.setSendBufferSize(1024);
        assertEquals(1024, c.getSendBufferSize());
        c.setSendBufferSize(0);
        assertEquals(TcpConnector.DEFAULT_BUFFER_SIZE, c.getSendBufferSize());

        int maxDispatchers = c.getMaxTotalDispatchers();
        HttpConnectionManagerParams params = c.getClientConnectionManager().getParams();
        assertEquals(maxDispatchers, params.getDefaultMaxConnectionsPerHost());
        assertEquals(maxDispatchers, params.getMaxTotalConnections());

        // all kinds of timeouts are now being tested in TcpConnectorTestCase
    }

    @Test
    public void findReceiverByStem() throws Exception {
        Map<Object, MessageReceiver> receiversMap = createTestReceivers();
        assertThat((HttpMessageReceiver) HttpConnector.findReceiverByStem(receiversMap, "http://somehost:5555/"),
                Is.is(mockReceiverPort5555));
        assertThat((HttpMessageReceiver) HttpConnector.findReceiverByStem(receiversMap,
                "http://somehost:5555/service"), Is.is(mockServiceReceiverPort5555));
        assertThat((HttpMessageReceiver) HttpConnector.findReceiverByStem(receiversMap,
                "http://somehost:5555/service/order"), Is.is(mockServiceOrderReceiverPort5555));
        assertThat((HttpMessageReceiver) HttpConnector.findReceiverByStem(receiversMap,
                "http://somehost:7777/service/order"), Is.is(mockServiceOrderReceiverPort7777));
        assertThat((HttpMessageReceiver) HttpConnector.findReceiverByStem(receiversMap,
                "http://somehost:7777/service"), Is.is(mockServiceReceiverPort7777));
        assertThat((HttpMessageReceiver) HttpConnector.findReceiverByStem(receiversMap, "http://anotherhost:5555/"),
                Is.is(mockServiceReceiverAnotherHost));
    }

    private Map<Object, MessageReceiver> createTestReceivers() {
        Map<Object, MessageReceiver> receiversMap = new HashMap<Object, MessageReceiver>();
        receiversMap.put("http://somehost:5555/service/order", mockServiceOrderReceiverPort5555);
        receiversMap.put("http://somehost:5555/service", mockServiceReceiverPort5555);
        receiversMap.put("http://somehost:5555/", mockReceiverPort5555);
        receiversMap.put("http://somehost:7777/service/order", mockServiceOrderReceiverPort7777);
        receiversMap.put("http://somehost:7777/service", mockServiceReceiverPort7777);
        receiversMap.put("http://anotherhost:5555/", mockServiceReceiverAnotherHost);
        return receiversMap;
    }

    @Test
    public void lookupReceiverThatDoesNotExistsInThatPort() throws Exception {
        testLookupReceiver("somehost", 8888, "/management", null);
    }

    @Test
    public void lookupReceiverThatDoesNotExistsInThatHost() throws Exception {
        testLookupReceiver("nonexistenthost", 5555, "/service", null);
    }

    @Test
    public void lookupReceiverThatContainsPath() throws Exception {
        when(mockServiceReceiverPort5555.getEndpointURI().getPort()).thenReturn(5555);
        when(mockServiceReceiverPort5555.getEndpointURI().getHost()).thenReturn("somehost");
        testLookupReceiver("somehost", 5555, "/service/product", mockServiceReceiverPort5555);
    }

    @Test
    public void lookupReceiverThatExistsWithExactSamePath() throws Exception {
        when(mockServiceReceiverPort5555.getEndpointURI().getPort()).thenReturn(5555);
        when(mockServiceReceiverPort5555.getEndpointURI().getHost()).thenReturn("somehost");
        testLookupReceiver("somehost", 5555, "/service/order?param1=value1", mockServiceOrderReceiverPort5555);
    }

    @Test
    public void lookupReceiverByRequestLineThatDoesNotExistsInThatPort() throws Exception {
        testLookupReceiverByRequestLine("somehost", 8888, "/management", null);
    }

    @Test
    public void lookupReceiverByRequestLineThatDoesNotExistsInThatHost() throws Exception {
        testLookupReceiverByRequestLine("nonexistenthost", 5555, "/service", null);
    }

    @Test
    public void lookupReceiverByRequestLineThatContainsPath() throws Exception {
        when(mockServiceReceiverPort5555.getEndpointURI().getPort()).thenReturn(5555);
        when(mockServiceReceiverPort5555.getEndpointURI().getHost()).thenReturn("somehost");
        testLookupReceiverByRequestLine("somehost", 5555, "/service/product", mockServiceReceiverPort5555);
    }

    @Test
    public void lookupReceiverByRequestLineThatExistsWithExactSamePath() throws Exception {
        when(mockServiceReceiverPort5555.getEndpointURI().getPort()).thenReturn(5555);
        when(mockServiceReceiverPort5555.getEndpointURI().getHost()).thenReturn("somehost");
        testLookupReceiverByRequestLine("somehost", 5555, "/service/order?param1=value1",
                mockServiceOrderReceiverPort5555);
    }

    private void testLookupReceiver(String host, int port, String path,
            HttpMessageReceiver expectedMessageReceiver) {
        HttpConnector httpConnector = (HttpConnector) getConnector();
        httpConnector.getReceivers().putAll(createTestReceivers());
        when(mockHttpRequest.getRequestLine()).thenReturn(mockRequestLine);
        when(mockRequestLine.getUrlWithoutParams()).thenReturn(path);
        when(mockSocket.getLocalSocketAddress()).thenReturn(new InetSocketAddress(host, port));
        Assert.assertThat(httpConnector.lookupReceiver(mockSocket, mockHttpRequest),
                Is.is(expectedMessageReceiver));
    }

    private void testLookupReceiverByRequestLine(String host, int port, String path,
            HttpMessageReceiver expectedMessageReceiver) throws NoReceiverForEndpointException {
        HttpConnector httpConnector = (HttpConnector) getConnector();
        httpConnector.getReceivers().putAll(createTestReceivers());
        when(mockRequestLine.getUrlWithoutParams()).thenReturn(path);
        when(mockSocket.getLocalSocketAddress()).thenReturn(new InetSocketAddress(host, port));
        if (expectedMessageReceiver != null) {
            Assert.assertThat(httpConnector.lookupReceiver(mockSocket, mockRequestLine),
                    Is.is(expectedMessageReceiver));
        } else {
            try {
                httpConnector.lookupReceiver(mockSocket, mockRequestLine);
                fail("exception should be thrown");
            } catch (NoReceiverForEndpointException e) {
            }
        }
    }

}