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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.searchers.test;
import com.yahoo.component.chain.Chain;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.Searcher;
import com.yahoo.search.result.Hit;
import com.yahoo.search.searchchain.Execution;
import com.yahoo.search.searchers.CacheControlSearcher;
import org.junit.jupiter.api.Test;
import java.util.List;
import static com.yahoo.search.searchers.CacheControlSearcher.CACHE_CONTROL_HEADER;
import static org.junit.jupiter.api.Assertions.*;
/**
* Unit test cases for CacheControlSearcher.
*
* @author frodelu
*/
public class CacheControlSearcherTestCase {
private Searcher getDocSource() {
return new Searcher() {
public Result search(Query query, Execution execution) {
Result res = new Result(query);
res.setTotalHitCount(1);
Hit hit = new Hit("http://document/", 1000);
hit.setField("url", "http://document/");
hit.setField("title", "Article title");
hit.setField("extsourceid", "12345");
res.hits().add(hit);
return res;
}
};
}
private Chain<Searcher> getSearchChain() {
return new Chain<>(new CacheControlSearcher(), getDocSource());
}
private List<String> getCacheControlHeaders(Result result) {
return result.getHeaders(true).get(CACHE_CONTROL_HEADER);
}
/**
* Assert that cache header ListMap exactly match given array of expected cache headers
* @param values - Array of cache control headers expected, e.g. {"max-age=120", "stale-while-revalidate=3600"}
* @param cacheheaders - The "Cache-Control" headers from the response ListMap
*/
private void assertCacheHeaders(String[] values, List<String> cacheheaders) {
assertNotNull(values, "No headers to test for (was null)");
assertTrue(values.length > 0, "No headers to test for (no elements in array)");
assertNotNull(cacheheaders, "No cache headers set in response");
assertEquals(values.length, cacheheaders.size());
for (String header : values) {
assertTrue(cacheheaders.contains(header), "Cache header does not contain header '" + header + "'");
}
}
@Test
void testNoHeader() {
Chain<Searcher> chain = getSearchChain();
Query query = new Query("?query=foo&custid=foo");
Result result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertEquals(0, getCacheControlHeaders(result).size());
}
@Test
void testInvalidAgeParams() {
Chain<Searcher> chain = getSearchChain();
try {
Query query = new Query("?query=foo&custid=foo&cachecontrol.maxage=foo");
Result result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertEquals(0, getCacheControlHeaders(result).size());
fail("Expected exception");
}
catch (NumberFormatException e) {
// success
}
try {
Query query = new Query("?query=foo&custid=foo&cachecontrol.staleage=foo");
Result result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertEquals(0, getCacheControlHeaders(result).size());
fail("Expected exception");
}
catch (NumberFormatException e) {
// success
}
}
@Test
void testMaxAge() {
Chain<Searcher> chain = getSearchChain();
Query query = new Query("?query=foo&custid=foo&cachecontrol.maxage=120");
Result result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertCacheHeaders(new String[]{"max-age=120"}, getCacheControlHeaders(result));
}
@Test
void testNoCache() {
Chain<Searcher> chain = getSearchChain();
Query query = new Query("?query=foo&custid=foo&cachecontrol.maxage=120&noCache");
Result result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertCacheHeaders(new String[]{"no-cache"}, getCacheControlHeaders(result));
query = new Query("?query=foo&custid=foo&cachecontrol.maxage=120&cachecontrol.nocache=true");
result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertCacheHeaders(new String[]{"no-cache"}, getCacheControlHeaders(result));
}
@Test
void testStateWhileRevalidate() {
Chain<Searcher> chain = getSearchChain();
Query query = new Query("?query=foo&custid=foo&cachecontrol.staleage=3600");
Result result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertCacheHeaders(new String[]{"stale-while-revalidate=3600"}, getCacheControlHeaders(result));
}
@Test
void testStaleAndMaxAge() {
Chain<Searcher> chain = getSearchChain();
Query query = new Query("?query=foo&custid=foo&cachecontrol.maxage=60&cachecontrol.staleage=3600");
Result result = new Execution(chain, Execution.Context.createContextStub()).search(query);
assertCacheHeaders(new String[]{"max-age=60", "stale-while-revalidate=3600"}, getCacheControlHeaders(result));
}
}
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