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[Test] Extending parsing checks for SearchResponse (#25148) 

This change extends the tests and parsing of SearchResponse to make sure we can
skip additional fields the parser doesn't know for forward compatibility
reasons.
This commit is contained in:
Christoph Büscher 2017-06-09 17:33:44 +02:00 committed by GitHub
parent a03b6c2fa5
commit 823cbb437b
2 changed files with 56 additions and 17 deletions
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12
core/src/main/java/org/elasticsearch/action/search/SearchResponse.java
View File

@ -45,8 +45,6 @@ import java.util.Map;
import static org.elasticsearch.action.search.ShardSearchFailure.readShardSearchFailure;
import static org.elasticsearch.common.xcontent.XContentParserUtils.ensureExpectedToken;
import static org.elasticsearch.common.xcontent.XContentParserUtils.throwUnknownField;
import static org.elasticsearch.common.xcontent.XContentParserUtils.throwUnknownToken;
/**
@ -245,7 +243,7 @@ public class SearchResponse extends ActionResponse implements StatusToXContentOb
} else if (NUM_REDUCE_PHASES.match(currentFieldName)) {
numReducePhases = parser.intValue();
} else {
throwUnknownField(currentFieldName, parser.getTokenLocation());
parser.skipChildren();
}
} else if (token == XContentParser.Token.START_OBJECT) {
if (SearchHits.Fields.HITS.equals(currentFieldName)) {
@ -268,7 +266,7 @@ public class SearchResponse extends ActionResponse implements StatusToXContentOb
} else if (RestActions.TOTAL_FIELD.match(currentFieldName)) {
totalShards = parser.intValue();
} else {
throwUnknownField(currentFieldName, parser.getTokenLocation());
parser.skipChildren();
}
} else if (token == XContentParser.Token.START_ARRAY) {
if (RestActions.FAILURES_FIELD.match(currentFieldName)) {
@ -276,14 +274,14 @@ public class SearchResponse extends ActionResponse implements StatusToXContentOb
failures.add(ShardSearchFailure.fromXContent(parser));
}
} else {
throwUnknownField(currentFieldName, parser.getTokenLocation());
parser.skipChildren();
}
} else {
throwUnknownToken(token, parser.getTokenLocation());
parser.skipChildren();
}
}
} else {
throwUnknownField(currentFieldName, parser.getTokenLocation());
parser.skipChildren();
}
}
}

55
core/src/test/java/org/elasticsearch/action/search/SearchResponseTests.java
View File

@ -49,6 +49,7 @@ import java.util.Collections;
import java.util.List;
import static java.util.Collections.singletonMap;
import static org.elasticsearch.test.XContentTestUtils.insertRandomFields;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertToXContentEquivalent;
public class SearchResponseTests extends ESTestCase {
@ -78,31 +79,71 @@ public class SearchResponseTests extends ESTestCase {
}
private SearchResponse createTestItem(ShardSearchFailure... shardSearchFailures) {
SearchHits hits = SearchHitsTests.createTestItem();
return createTestItem(false, shardSearchFailures);
}
/**
* This SearchResponse doesn't include SearchHits, Aggregations, Suggestions, ShardSearchFailures, SearchProfileShardResults
* to make it possible to only test properties of the SearchResponse itself
*/
private SearchResponse createMinimalTestItem() {
return createTestItem(true);
}
/**
* if minimal is set, don't include search hits, aggregations, suggest etc... to make test simpler
*/
private SearchResponse createTestItem(boolean minimal, ShardSearchFailure... shardSearchFailures) {
boolean timedOut = randomBoolean();
Boolean terminatedEarly = randomBoolean() ? null : randomBoolean();
int numReducePhases = randomIntBetween(1, 10);
long tookInMillis = randomNonNegativeLong();
int successfulShards = randomInt();
int totalShards = randomInt();
InternalSearchResponse internalSearchResponse;
if (minimal == false) {
SearchHits hits = SearchHitsTests.createTestItem();
InternalAggregations aggregations = aggregationsTests.createTestInstance();
Suggest suggest = SuggestTests.createTestItem();
SearchProfileShardResults profileShardResults = SearchProfileShardResultsTests.createTestItem();
InternalSearchResponse internalSearchResponse = new InternalSearchResponse(hits, aggregations, suggest, profileShardResults,
internalSearchResponse = new InternalSearchResponse(hits, aggregations, suggest, profileShardResults,
timedOut, terminatedEarly, numReducePhases);
} else {
internalSearchResponse = InternalSearchResponse.empty();
}
return new SearchResponse(internalSearchResponse, null, totalShards, successfulShards, tookInMillis, shardSearchFailures);
}
/**
* the "_shard/total/failures" section makes it impossible to directly
* compare xContent, so we omit it here
*/
public void testFromXContent() throws IOException {
// the "_shard/total/failures" section makes if impossible to directly compare xContent, so we omit it here
SearchResponse response = createTestItem();
doFromXContentTestWithRandomFields(createTestItem(), false);
}
/**
* This test adds random fields and objects to the xContent rendered out to
* ensure we can parse it back to be forward compatible with additions to
* the xContent. We test this with a "minimal" SearchResponse, adding random
* fields to SearchHits, Aggregations etc... is tested in their own tests
*/
public void testFromXContentWithRandomFields() throws IOException {
doFromXContentTestWithRandomFields(createMinimalTestItem(), true);
}
private void doFromXContentTestWithRandomFields(SearchResponse response, boolean addRandomFields) throws IOException {
XContentType xcontentType = randomFrom(XContentType.values());
boolean humanReadable = randomBoolean();
final ToXContent.Params params = new ToXContent.MapParams(singletonMap(RestSearchAction.TYPED_KEYS_PARAM, "true"));
BytesReference originalBytes = toShuffledXContent(response, xcontentType, params, humanReadable);
try (XContentParser parser = createParser(xcontentType.xContent(), originalBytes)) {
BytesReference mutated;
if (addRandomFields) {
mutated = insertRandomFields(xcontentType, originalBytes, null, random());
} else {
mutated = originalBytes;
}
try (XContentParser parser = createParser(xcontentType.xContent(), mutated)) {
SearchResponse parsed = SearchResponse.fromXContent(parser);
assertToXContentEquivalent(originalBytes, XContentHelper.toXContent(parsed, xcontentType, params, humanReadable), xcontentType);
assertEquals(XContentParser.Token.END_OBJECT, parser.currentToken());