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package org.glassfish.jersey.media.sse;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.nio.charset.Charset;
import java.util.Collections;
import javax.ws.rs.RuntimeType;
import javax.ws.rs.core.MediaType;
import org.glassfish.jersey.internal.inject.AbstractBinder;
import org.glassfish.jersey.internal.inject.Bindings;
import org.glassfish.jersey.internal.inject.InjectionManager;
import org.glassfish.jersey.internal.inject.Injections;
import org.glassfish.jersey.internal.util.collection.MultivaluedStringMap;
import org.glassfish.jersey.message.MessageBodyWorkers;
import org.glassfish.jersey.message.internal.MessageBodyFactory;
import org.glassfish.jersey.message.internal.MessagingBinders;
import org.glassfish.jersey.model.internal.CommonConfig;
import org.glassfish.jersey.model.internal.ComponentBag;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* @author Petr Bouda (petr.bouda at oracle.com)
*/
public class InboundEventReaderTest {
private static final MultivaluedStringMap HEADERS;
private InjectionManager injectionManager;
static {
HEADERS = new MultivaluedStringMap();
HEADERS.put("Transfer-Encoding", Collections.singletonList("chunked"));
HEADERS.put("Content-Type", Collections.singletonList("text/event-stream"));
}
@Before
public void setup() {
injectionManager = Injections.createInjectionManager();
injectionManager.register(new TestBinder());
MessageBodyFactory messageBodyFactory =
new MessageBodyFactory(new CommonConfig(RuntimeType.SERVER, ComponentBag.EXCLUDE_EMPTY));
injectionManager.register(Bindings.service(messageBodyFactory).to(MessageBodyWorkers.class));
injectionManager.completeRegistration();
messageBodyFactory.initialize(injectionManager);
}
@Test
public void testReadWithStartsWithLF() throws Exception {
InboundEvent event = parse(new ByteArrayInputStream("\nevent: custom-message".getBytes()));
assertEquals("custom-message", event.getName());
assertEquals(0, event.getRawData().length);
}
@Test
public void testReadWithStartsWithCR() throws Exception {
InboundEvent event = parse(new ByteArrayInputStream("\revent: custom-message".getBytes()));
assertEquals("custom-message", event.getName());
assertEquals(0, event.getRawData().length);
}
@Test
public void testReadWithLF() throws Exception {
ByteArrayInputStream inputStream = new ByteArrayInputStream("event: custom-message\ndata: message 1".getBytes());
InboundEvent event = parse(inputStream);
assertEquals("custom-message", event.getName());
assertDataEquals("message 1", event);
}
@Test
public void testReadWithCRLF() throws Exception {
ByteArrayInputStream inputStream = new ByteArrayInputStream("event: custom-message\r\ndata: message 1".getBytes());
InboundEvent event = parse(inputStream);
assertEquals("custom-message", event.getName());
assertDataEquals("message 1", event);
}
@Test
public void testReadWithCR() throws Exception {
ByteArrayInputStream inputStream = new ByteArrayInputStream("event: custom-message\rdata: message 1".getBytes());
InboundEvent event = parse(inputStream);
assertEquals("custom-message", event.getName());
assertDataEquals("message 1", event);
}
@Test
public void testReadWithMultipleSpaces() throws Exception {
ByteArrayInputStream inputStream = new ByteArrayInputStream("event: custom-message\rdata: message 1".getBytes());
InboundEvent event = parse(inputStream);
assertEquals("custom-message", event.getName());
assertDataEquals("message 1", event);
}
@Test
public void testReadWithMultipleEndingDelimiter() throws Exception {
ByteArrayInputStream inputStream = new ByteArrayInputStream("event: custom-message\rdata: message 1\r".getBytes());
InboundEvent event = parse(inputStream);
assertEquals("custom-message", event.getName());
assertDataEquals("message 1", event);
}
private InboundEvent parse(InputStream stream) throws IOException {
return injectionManager.getInstance(InboundEventReader.class)
.readFrom(InboundEvent.class, InboundEvent.class, new Annotation[0],
MediaType.valueOf(SseFeature.SERVER_SENT_EVENTS), HEADERS, stream);
}
private void assertDataEquals(final String expectedData, final InboundEvent event) {
assertEquals(expectedData, event.readData());
assertEquals(expectedData, new String(event.getRawData(), Charset.defaultCharset()));
}
private static class TestBinder extends AbstractBinder {
@Override
protected void configure() {
install(new MessagingBinders.MessageBodyProviders(null, RuntimeType.SERVER));
bindAsContract(InboundEventReader.class);
}
}
}