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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping;
import com.yahoo.processing.request.CompoundName;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.grouping.result.Group;
import com.yahoo.search.grouping.result.RootGroup;
import com.yahoo.search.result.Hit;
import org.junit.Test;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.*;
/**
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
*/
public class GroupingRequestTestCase {
@Test
public void requireThatContinuationListIsMutable() {
GroupingRequest req = GroupingRequest.newInstance(new Query());
assertTrue(req.continuations().isEmpty());
Continuation foo = new Continuation() {
};
req.continuations().add(foo);
assertEquals(Arrays.asList(foo), req.continuations());
req.continuations().clear();
assertTrue(req.continuations().isEmpty());
}
@Test
public void requireThatResultIsFound() {
Query query = new Query();
GroupingRequest req = GroupingRequest.newInstance(query);
Result res = new Result(query);
res.hits().add(new Hit("foo"));
RootGroup bar = newRootGroup(0);
req.setResultGroup(bar);
res.hits().add(bar);
res.hits().add(new Hit("baz"));
Group grp = req.getResultGroup(res);
assertNotNull(grp);
assertSame(bar, grp);
}
@Test
public void requireThatParallelRequestsAreSupported() {
Query query = new Query();
Result res = new Result(query);
GroupingRequest reqA = GroupingRequest.newInstance(query);
RootGroup grpA = newRootGroup(0);
reqA.setResultGroup(grpA);
res.hits().add(grpA);
GroupingRequest reqB = GroupingRequest.newInstance(query);
RootGroup grpB = newRootGroup(1);
reqB.setResultGroup(grpB);
res.hits().add(grpB);
Group grp = reqA.getResultGroup(res);
assertNotNull(grp);
assertSame(grpA, grp);
assertNotNull(grp = reqB.getResultGroup(res));
assertSame(grpB, grp);
}
@Test
public void requireThatRemovedResultIsNull() {
Query query = new Query();
GroupingRequest req = GroupingRequest.newInstance(query);
Result res = new Result(query);
res.hits().add(new Hit("foo"));
RootGroup bar = newRootGroup(0);
req.setResultGroup(bar);
res.hits().add(new Hit("baz"));
assertNull(req.getResultGroup(res));
}
@Test
public void requireThatNonGroupResultIsNull() {
Query query = new Query();
GroupingRequest req = GroupingRequest.newInstance(query);
Result res = new Result(query);
RootGroup grp = newRootGroup(0);
req.setResultGroup(grp);
res.hits().add(new Hit(grp.getId().toString()));
assertNull(req.getResultGroup(res));
}
@Test
public void requireThatGetRequestsReturnsAllRequests() {
Query query = new Query();
assertEquals(Collections.emptyList(), GroupingRequest.getRequests(query));
GroupingRequest foo = GroupingRequest.newInstance(query);
assertEquals(Arrays.asList(foo), GroupingRequest.getRequests(query));
GroupingRequest bar = GroupingRequest.newInstance(query);
assertEquals(Arrays.asList(foo, bar), GroupingRequest.getRequests(query));
}
@Test
public void requireThatGetRequestThrowsIllegalArgumentOnBadProperty() throws Exception {
Query query = new Query();
Field propName = GroupingRequest.class.getDeclaredField("PROP_REQUEST");
propName.setAccessible(true);
query.properties().set((CompoundName)propName.get(null), new Object());
try {
GroupingRequest.getRequests(query);
fail();
} catch (IllegalArgumentException e) {
}
}
private static RootGroup newRootGroup(int id) {
return new RootGroup(id, new Continuation() {
});
}
}
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