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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.phrase;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
import static org.hamcrest.Matchers.instanceOf;
public class StupidBackoffModelTests extends SmoothingModelTestCase {
@Override
protected SmoothingModel createTestModel() {
return createRandomModel();
}
static SmoothingModel createRandomModel() {
return new StupidBackoff(randomDoubleBetween(0.0, 10.0, false));
}
/**
* mutate the given model so the returned smoothing model is different
*/
@Override
protected StupidBackoff createMutation(SmoothingModel input) {
StupidBackoff original = (StupidBackoff) input;
return new StupidBackoff(original.getDiscount() + 0.1);
}
@Override
void assertWordScorer(WordScorer wordScorer, SmoothingModel input) {
assertThat(wordScorer, instanceOf(StupidBackoffScorer.class));
StupidBackoff testModel = (StupidBackoff) input;
assertEquals(testModel.getDiscount(), ((StupidBackoffScorer) wordScorer).discount(), Double.MIN_VALUE);
}
@Override
protected SmoothingModel fromXContent(XContentParser parser) throws IOException {
return StupidBackoff.fromXContent(parser);
}
}