package org.jboss.resteasy.test.client;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import javax.annotation.Priority;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.client.ClientResponseContext;
import javax.ws.rs.client.ClientResponseFilter;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ReaderInterceptor;
import javax.ws.rs.ext.ReaderInterceptorContext;
import javax.ws.rs.ext.RuntimeDelegate;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class ResponseFilterTest
{
public static class AbortWith implements ClientRequestFilter
{
private Response abortWith;
public AbortWith(Response abortWith)
{
this.abortWith = abortWith;
}
@Override
public void filter(ClientRequestContext requestContext) throws IOException
{
requestContext.abortWith(abortWith);
}
}
public static class StatusOverrideFilter implements ClientResponseFilter
{
@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException
{
responseContext.setStatus(Response.Status.FORBIDDEN.getStatusCode());
}
}
public static class AllowedFilter implements ClientResponseFilter
{
@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException
{
Set<String> allowed = responseContext.getAllowedMethods();
Assert.assertTrue(allowed.contains("OPTIONS"));
}
}
public static class LengthFilter implements ClientResponseFilter
{
@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException
{
Assert.assertEquals(10, responseContext.getLength());
}
}
static Client client;
@BeforeClass
public static void setupClient()
{
client = ClientBuilder.newClient();
}
@AfterClass
public static void close()
{
client.close();
}
public static class NullHeaderStringFilter implements ClientResponseFilter
{
@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException
{
String header = responseContext.getHeaderString("header1");
Assert.assertTrue(header != null);
Assert.assertTrue(header.equals(""));
}
}
@Test
public void testEmptyHeaderString()
{
RuntimeDelegate original = RuntimeDelegate.getInstance();
RuntimeDelegate
.setInstance(new NullStringBeanRuntimeDelegate(original));
try {
Response abortWith = Response.ok().header("header1", new StringBean("aa"))
.build();
Response response = client.target("dummy").register(new AbortWith(abortWith)).register(NullHeaderStringFilter.class).request().get();
Assert.assertEquals(response.getStatus(), 200);
} finally {
RuntimeDelegate.setInstance(original);
StringBeanRuntimeDelegate.assertNotStringBeanRuntimeDelegate();
}
}
@Test
public void getStringHeadersUsingHeaderDelegateTest()
{
RuntimeDelegate original = RuntimeDelegate.getInstance();
RuntimeDelegate.setInstance(new StringBeanRuntimeDelegate(original));
try {
StringBuilder builder = new StringBuilder("s1");
StringBuffer buffer = new StringBuffer("s2");
StringBean bean = new StringBean("s3");
Response response = Response.ok()
.header(builder.toString(), builder)
.header(buffer.toString(), buffer).header(bean.get(), bean)
.build();
MultivaluedMap<String, String> headers = response
.getStringHeaders();
String header = headers.getFirst(bean.get());
Assert.assertTrue(bean.get().equalsIgnoreCase(header));
} finally {
RuntimeDelegate.setInstance(original);
StringBeanRuntimeDelegate.assertNotStringBeanRuntimeDelegate();
}
}
@Test
public void testLength()
{
Response abortWith = Response.ok()
.header(HttpHeaders.CONTENT_LENGTH, 10).build();
Response response = client.target("dummy").register(new AbortWith(abortWith)).register(LengthFilter.class).request().get();
Assert.assertEquals(response.getStatus(), 200);
}
@Test
public void testAllowed()
{
Response abortWith = Response.ok().header(HttpHeaders.ALLOW, "get")
.header(HttpHeaders.ALLOW, "options").build();
Response response = client.target("dummy").register(new AbortWith(abortWith)).register(AllowedFilter.class).request().get();
Assert.assertEquals(response.getStatus(), 200);
}
@Test
public void testStatusOverride()
{
Response response = client.target("dummy").register(new AbortWith(Response.ok().build())).register(StatusOverrideFilter.class).request().get();
Assert.assertEquals(response.getStatus(), Response.Status.FORBIDDEN.getStatusCode());
}
protected static ClientRequestFilter createRequestFilter(
final Response response) {
ClientRequestFilter outFilter = new ClientRequestFilter() {
@Override
public void filter(ClientRequestContext context) throws IOException {
Response r;
if (response == null)
r = Response.ok().build();
else
r = response;
context.abortWith(r);
}
};
return outFilter;
}
public static class HeadersFilter implements ClientResponseFilter
{
@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException
{
for (Map.Entry<String, List<String>> header : responseContext.getHeaders().entrySet())
{
System.out.print(header.getKey() + ": ");
for (String val : header.getValue()) System.out.print(", " + val);
}
}
}
@Test
public void testHeaders()
{
// test that response headers are all strings
// don't set entity content type to test that we set it correctly too
Response.ResponseBuilder builder = Response.ok()
.header("header", MediaType.APPLICATION_ATOM_XML_TYPE)
.entity("entity");
Response fake = builder.build();
Client client = ClientBuilder.newClient();
client.register(createRequestFilter(fake));
Response response = client.target("http://nowhere").register(createRequestFilter(fake))
.register(HeadersFilter.class).request().get();
}
@Priority(100)
public static class InterceptorReaderOne implements ReaderInterceptor
{
@Override
public Object aroundReadFrom(ReaderInterceptorContext context) throws IOException, WebApplicationException
{
try {
return context.proceed();
}
catch (IOException e) {
return "OK";
}
}
}
@Priority(200)
public static class InterceptorReaderTwo implements ReaderInterceptor
{
@Override
public Object aroundReadFrom(ReaderInterceptorContext context) throws IOException, WebApplicationException
{
throw new IOException("should be caught");
}
}
@Test
public void testInterceptorOrder()
{
Response.ResponseBuilder builder = Response.ok()
.header("header", MediaType.APPLICATION_ATOM_XML_TYPE)
.entity("entity");
Response fake = builder.build();
Client client = ClientBuilder.newClient();
client.register(createRequestFilter(fake));
Response response = client.target("http://nowhere").register(createRequestFilter(fake))
.register(InterceptorReaderTwo.class)
.register(InterceptorReaderOne.class)
.request().get();
String str = response.readEntity(String.class);
}
}