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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.http.server;
import com.yahoo.collections.Tuple2;
import com.yahoo.container.jdisc.HttpResponse;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* @author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
* @since 5.7.0
*/
public class VersionsTestCase {
private static final List<String> EMPTY = Collections.emptyList();
private static final List<String> ONE_TWO = Arrays.asList("1", "2");
private static final List<String> ONE_THREE = Arrays.asList("1", "3");
private static final List<String> TWO_THREE = Arrays.asList("3", "2");
private static final List<String> ONE_NULL_THREE = Arrays.asList("1", null, "3");
private static final List<String> ONE_COMMA_THREE = Collections.singletonList("1, 3");
private static final List<String> ONE_EMPTY_THREE = Arrays.asList("1", "", "3");
private static final List<String> TOO_LARGE_NUMBER = Collections.singletonList("1000000000");
private static final List<String> THREE_TOO_LARGE_NUMBER = Arrays.asList("3", "1000000000");
private static final List<String> THREE_COMMA_TOO_LARGE_NUMBER = Arrays.asList("3,1000000000");
private static final List<String> GARBAGE = Collections.singletonList("garbage");
@Test
public void testEmpty() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(EMPTY);
assertTrue(v.first instanceof ErrorHttpResponse);
assertEquals(Integer.valueOf(-1), v.second);
}
@Test
public void testOneTwo() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(ONE_TWO);
assertTrue(v.first instanceof ErrorHttpResponse);
assertEquals(Integer.valueOf(-1), v.second);
}
@Test
public void testOneThree() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(ONE_THREE);
assertNull(v.first);
assertEquals(Integer.valueOf(3), v.second);
}
@Test
public void testTwoThree() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(TWO_THREE);
assertNull(v.first);
assertEquals(Integer.valueOf(3), v.second);
}
@Test
public void testOneNullThree() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(ONE_NULL_THREE);
assertNull(v.first);
assertEquals(Integer.valueOf(3), v.second);
}
@Test
public void testOneCommaThree() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(ONE_COMMA_THREE);
assertNull(v.first);
assertEquals(Integer.valueOf(3), v.second);
}
@Test
public void testOneEmptyThree() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(ONE_EMPTY_THREE);
assertNull(v.first);
assertEquals(Integer.valueOf(3), v.second);
}
@Test
public void testTooLarge() throws Exception {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(TOO_LARGE_NUMBER);
assertTrue(v.first instanceof ErrorHttpResponse);
ByteArrayOutputStream errorMsg = new ByteArrayOutputStream();
ErrorHttpResponse errorResponse = (ErrorHttpResponse) v.first;
errorResponse.render(errorMsg);
assertEquals(errorMsg.toString(),
"Could not parse X-Yahoo-Feed-Protocol-Versionheader of request (values: [1000000000]). " +
"Server supports protocol versions [3]");
assertEquals(Integer.valueOf(-1), v.second);
}
@Test
public void testThreeTooLarge() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(THREE_TOO_LARGE_NUMBER);
assertNull(v.first);
assertEquals(Integer.valueOf(3), v.second);
}
@Test
public void testTwoCommaTooLarge() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(THREE_COMMA_TOO_LARGE_NUMBER);
assertNull(v.first);
assertEquals(Integer.valueOf(3), v.second);
}
@Test
public void testGarbage() {
Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(GARBAGE);
assertTrue(v.first instanceof ErrorHttpResponse);
assertEquals(Integer.valueOf(-1), v.second);
}
}
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