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/*
* Copyright 2002-2015 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.context.request.async;
import javax.servlet.AsyncEvent;
import org.junit.Before;
import org.junit.Test;
import org.springframework.mock.web.test.MockAsyncContext;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockHttpServletResponse;
import static org.hamcrest.Matchers.containsString;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.BDDMockito.mock;
import static org.mockito.BDDMockito.verify;
/**
* A test fixture with a {@link StandardServletAsyncWebRequest}.
* @author Rossen Stoyanchev
*/
public class StandardServletAsyncWebRequestTests {
private StandardServletAsyncWebRequest asyncRequest;
private MockHttpServletRequest request;
private MockHttpServletResponse response;
@Before
public void setup() {
this.request = new MockHttpServletRequest();
this.request.setAsyncSupported(true);
this.response = new MockHttpServletResponse();
this.asyncRequest = new StandardServletAsyncWebRequest(this.request, this.response);
this.asyncRequest.setTimeout(44*1000L);
}
@Test
public void isAsyncStarted() throws Exception {
assertFalse(this.asyncRequest.isAsyncStarted());
this.asyncRequest.startAsync();
assertTrue(this.asyncRequest.isAsyncStarted());
}
@Test
public void startAsync() throws Exception {
this.asyncRequest.startAsync();
MockAsyncContext context = (MockAsyncContext) this.request.getAsyncContext();
assertNotNull(context);
assertEquals("Timeout value not set", 44 * 1000, context.getTimeout());
assertEquals(1, context.getListeners().size());
assertSame(this.asyncRequest, context.getListeners().get(0));
}
@Test
public void startAsyncMultipleTimes() throws Exception {
this.asyncRequest.startAsync();
this.asyncRequest.startAsync();
this.asyncRequest.startAsync();
this.asyncRequest.startAsync(); // idempotent
MockAsyncContext context = (MockAsyncContext) this.request.getAsyncContext();
assertNotNull(context);
assertEquals(1, context.getListeners().size());
}
@Test
public void startAsyncNotSupported() throws Exception {
this.request.setAsyncSupported(false);
try {
this.asyncRequest.startAsync();
fail("expected exception");
}
catch (IllegalStateException ex) {
assertThat(ex.getMessage(), containsString("Async support must be enabled"));
}
}
@Test
public void startAsyncAfterCompleted() throws Exception {
this.asyncRequest.onComplete(new AsyncEvent(null));
try {
this.asyncRequest.startAsync();
fail("expected exception");
}
catch (IllegalStateException ex) {
assertEquals("Async processing has already completed", ex.getMessage());
}
}
@Test
public void onTimeoutDefaultBehavior() throws Exception {
this.asyncRequest.onTimeout(new AsyncEvent(null));
assertEquals(200, this.response.getStatus());
}
@Test
public void onTimeoutHandler() throws Exception {
Runnable timeoutHandler = mock(Runnable.class);
this.asyncRequest.addTimeoutHandler(timeoutHandler);
this.asyncRequest.onTimeout(new AsyncEvent(null));
verify(timeoutHandler).run();
}
@Test(expected=IllegalStateException.class)
public void setTimeoutDuringConcurrentHandling() {
this.asyncRequest.startAsync();
this.asyncRequest.setTimeout(25L);
}
@Test
public void onCompletionHandler() throws Exception {
Runnable handler = mock(Runnable.class);
this.asyncRequest.addCompletionHandler(handler);
this.asyncRequest.startAsync();
this.asyncRequest.onComplete(new AsyncEvent(null));
verify(handler).run();
assertTrue(this.asyncRequest.isAsyncComplete());
}
// SPR-13292
@Test
public void onCompletionHandlerAfterOnErrorEvent() throws Exception {
Runnable handler = mock(Runnable.class);
this.asyncRequest.addCompletionHandler(handler);
this.asyncRequest.startAsync();
this.asyncRequest.onError(new AsyncEvent(null));
verify(handler).run();
assertTrue(this.asyncRequest.isAsyncComplete());
}
}
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