/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.socket.sockjs.client;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.springframework.http.HttpStatus;
import org.springframework.util.concurrent.ListenableFutureCallback;
import org.springframework.web.client.HttpServerErrorException;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.sockjs.client.TestTransport.XhrTestTransport;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* Unit tests for {@link org.springframework.web.socket.sockjs.client.SockJsClient}.
*
* @author Rossen Stoyanchev
*/
public class SockJsClientTests {
private static final String URL = "http://example.com";
private static final WebSocketHandler handler = mock(WebSocketHandler.class);
private SockJsClient sockJsClient;
private InfoReceiver infoReceiver;
private TestTransport webSocketTransport;
private XhrTestTransport xhrTransport;
private ListenableFutureCallback<WebSocketSession> connectCallback;
@Before
@SuppressWarnings("unchecked")
public void setup() {
this.infoReceiver = mock(InfoReceiver.class);
this.webSocketTransport = new TestTransport("WebSocketTestTransport");
this.xhrTransport = new XhrTestTransport("XhrTestTransport");
List<Transport> transports = new ArrayList<>();
transports.add(this.webSocketTransport);
transports.add(this.xhrTransport);
this.sockJsClient = new SockJsClient(transports);
this.sockJsClient.setInfoReceiver(this.infoReceiver);
this.connectCallback = mock(ListenableFutureCallback.class);
}
@Test
public void connectWebSocket() throws Exception {
setupInfoRequest(true);
this.sockJsClient.doHandshake(handler, URL).addCallback(this.connectCallback);
assertTrue(this.webSocketTransport.invoked());
WebSocketSession session = mock(WebSocketSession.class);
this.webSocketTransport.getConnectCallback().onSuccess(session);
verify(this.connectCallback).onSuccess(session);
verifyNoMoreInteractions(this.connectCallback);
}
@Test
public void connectWebSocketDisabled() throws URISyntaxException {
setupInfoRequest(false);
this.sockJsClient.doHandshake(handler, URL);
assertFalse(this.webSocketTransport.invoked());
assertTrue(this.xhrTransport.invoked());
assertTrue(this.xhrTransport.getRequest().getTransportUrl().toString().endsWith("xhr_streaming"));
}
@Test
public void connectXhrStreamingDisabled() throws Exception {
setupInfoRequest(false);
this.xhrTransport.setStreamingDisabled(true);
this.sockJsClient.doHandshake(handler, URL).addCallback(this.connectCallback);
assertFalse(this.webSocketTransport.invoked());
assertTrue(this.xhrTransport.invoked());
assertTrue(this.xhrTransport.getRequest().getTransportUrl().toString().endsWith("xhr"));
}
@Test
public void connectSockJsInfo() throws Exception {
setupInfoRequest(true);
this.sockJsClient.doHandshake(handler, URL);
verify(this.infoReceiver, times(1)).executeInfoRequest(any());
}
@Test
public void connectSockJsInfoCached() throws Exception {
setupInfoRequest(true);
this.sockJsClient.doHandshake(handler, URL);
this.sockJsClient.doHandshake(handler, URL);
this.sockJsClient.doHandshake(handler, URL);
verify(this.infoReceiver, times(1)).executeInfoRequest(any());
}
@Test
public void connectInfoRequestFailure() throws URISyntaxException {
HttpServerErrorException exception = new HttpServerErrorException(HttpStatus.SERVICE_UNAVAILABLE);
given(this.infoReceiver.executeInfoRequest(any())).willThrow(exception);
this.sockJsClient.doHandshake(handler, URL).addCallback(this.connectCallback);
verify(this.connectCallback).onFailure(exception);
assertFalse(this.webSocketTransport.invoked());
assertFalse(this.xhrTransport.invoked());
}
private void setupInfoRequest(boolean webSocketEnabled) {
given(this.infoReceiver.executeInfoRequest(any())).willReturn("{\"entropy\":123," +
"\"origins\":[\"*:*\"],\"cookie_needed\":true,\"websocket\":" + webSocketEnabled + "}");
}
}