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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.search.suggest;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.text.Text;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.search.suggest.Suggest.Suggestion.Entry;
import org.elasticsearch.search.suggest.Suggest.Suggestion.Entry.Option;
import org.elasticsearch.search.suggest.completion.CompletionSuggestion;
import org.elasticsearch.search.suggest.phrase.PhraseSuggestion;
import org.elasticsearch.search.suggest.term.TermSuggestion;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
import java.util.function.Supplier;
import static org.elasticsearch.common.xcontent.XContentHelper.toXContent;
import static org.elasticsearch.common.xcontent.XContentParserUtils.ensureExpectedToken;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertToXContentEquivalent;
public class SuggestionEntryTests extends ESTestCase {
private static final Map<Class<? extends Entry>, Function<XContentParser, ? extends Entry>> ENTRY_PARSERS = new HashMap<>();
static {
ENTRY_PARSERS.put(TermSuggestion.Entry.class, TermSuggestion.Entry::fromXContent);
ENTRY_PARSERS.put(PhraseSuggestion.Entry.class, PhraseSuggestion.Entry::fromXContent);
ENTRY_PARSERS.put(CompletionSuggestion.Entry.class, CompletionSuggestion.Entry::fromXContent);
}
/**
* Create a randomized Suggestion.Entry
*/
@SuppressWarnings("unchecked")
public static <O extends Option> Entry<O> createTestItem(Class<? extends Entry> entryType) {
Text entryText = new Text(randomAsciiOfLengthBetween(5, 15));
int offset = randomInt();
int length = randomInt();
Entry entry;
Supplier<Option> supplier;
if (entryType == TermSuggestion.Entry.class) {
entry = new TermSuggestion.Entry(entryText, offset, length);
supplier = TermSuggestionOptionTests::createTestItem;
} else if (entryType == PhraseSuggestion.Entry.class) {
entry = new PhraseSuggestion.Entry(entryText, offset, length, randomDouble());
supplier = SuggestionOptionTests::createTestItem;
} else if (entryType == CompletionSuggestion.Entry.class) {
entry = new CompletionSuggestion.Entry(entryText, offset, length);
supplier = CompletionSuggestionOptionTests::createTestItem;
} else {
throw new UnsupportedOperationException("entryType not supported [" + entryType + "]");
}
int numOptions = randomIntBetween(0, 5);
for (int i = 0; i < numOptions; i++) {
entry.addOption(supplier.get());
}
return entry;
}
@SuppressWarnings("unchecked")
public void testFromXContent() throws IOException {
for (Class<? extends Entry> entryType : ENTRY_PARSERS.keySet()) {
Entry<Option> entry = createTestItem(entryType);
XContentType xContentType = randomFrom(XContentType.values());
boolean humanReadable = randomBoolean();
BytesReference originalBytes = toXContent(entry, xContentType, humanReadable);
Entry<Option> parsed;
try (XContentParser parser = createParser(xContentType.xContent(), originalBytes)) {
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
parsed = ENTRY_PARSERS.get(entry.getClass()).apply(parser);
assertEquals(XContentParser.Token.END_OBJECT, parser.currentToken());
assertNull(parser.nextToken());
}
assertEquals(entry.getClass(), parsed.getClass());
assertEquals(entry.getText(), parsed.getText());
assertEquals(entry.getLength(), parsed.getLength());
assertEquals(entry.getOffset(), parsed.getOffset());
assertEquals(entry.getOptions().size(), parsed.getOptions().size());
for (int i = 0; i < entry.getOptions().size(); i++) {
assertEquals(entry.getOptions().get(i).getClass(), parsed.getOptions().get(i).getClass());
}
assertToXContentEquivalent(originalBytes, toXContent(parsed, xContentType, humanReadable), xContentType);
}
}
public void testToXContent() throws IOException {
Option option = new Option(new Text("someText"), new Text("somethingHighlighted"), 1.3f, true);
Entry<Option> entry = new Entry<>(new Text("entryText"), 42, 313);
entry.addOption(option);
BytesReference xContent = toXContent(entry, XContentType.JSON, randomBoolean());
assertEquals(
"{\"text\":\"entryText\","
+ "\"offset\":42,"
+ "\"length\":313,"
+ "\"options\":["
+ "{\"text\":\"someText\","
+ "\"highlighted\":\"somethingHighlighted\","
+ "\"score\":1.3,"
+ "\"collate_match\":true}"
+ "]}", xContent.utf8ToString());
org.elasticsearch.search.suggest.term.TermSuggestion.Entry.Option termOption =
new org.elasticsearch.search.suggest.term.TermSuggestion.Entry.Option(new Text("termSuggestOption"), 42, 3.13f);
entry = new Entry<>(new Text("entryText"), 42, 313);
entry.addOption(termOption);
xContent = toXContent(entry, XContentType.JSON, randomBoolean());
assertEquals(
"{\"text\":\"entryText\","
+ "\"offset\":42,"
+ "\"length\":313,"
+ "\"options\":["
+ "{\"text\":\"termSuggestOption\","
+ "\"score\":3.13,"
+ "\"freq\":42}"
+ "]}", xContent.utf8ToString());
org.elasticsearch.search.suggest.completion.CompletionSuggestion.Entry.Option completionOption =
new org.elasticsearch.search.suggest.completion.CompletionSuggestion.Entry.Option(-1, new Text("completionOption"),
3.13f, Collections.singletonMap("key", Collections.singleton("value")));
entry = new Entry<>(new Text("entryText"), 42, 313);
entry.addOption(completionOption);
xContent = toXContent(entry, XContentType.JSON, randomBoolean());
assertEquals(
"{\"text\":\"entryText\","
+ "\"offset\":42,"
+ "\"length\":313,"
+ "\"options\":["
+ "{\"text\":\"completionOption\","
+ "\"score\":3.13,"
+ "\"contexts\":{\"key\":[\"value\"]}"
+ "}"
+ "]}", xContent.utf8ToString());
}
}
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