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https://github.com/Codappix/search_core.git
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Merge pull request #71 from Codappix/feature/boosting
FEATURE: Add possibility to boost certain fields
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commit
3973d981d4
3 changed files with 205 additions and 1 deletions
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@ -21,6 +21,7 @@ namespace Codappix\SearchCore\Domain\Search;
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*/
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use Codappix\SearchCore\Configuration\ConfigurationContainerInterface;
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use Codappix\SearchCore\Configuration\InvalidArgumentException;
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use Codappix\SearchCore\Connection\ConnectionInterface;
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use Codappix\SearchCore\Connection\Elasticsearch\Query;
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use Codappix\SearchCore\Connection\SearchRequestInterface;
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@ -56,6 +57,10 @@ class QueryFactory
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}
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/**
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* TODO: This is not in scope Elasticsearch, therefore it should not return
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* \Elastica\Query, but decide to use a more specific QueryFactory like
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* ElasticaQueryFactory, once the second query is added?
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*
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* @param SearchRequestInterface $searchRequest
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*
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* @return \Elastica\Query
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@ -68,16 +73,20 @@ class QueryFactory
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/**
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* @param SearchRequestInterface $searchRequest
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*
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* TODO: This is not in scope Elasticsearch, therefore should not return elastica.
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* @return \Elastica\Query
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*/
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protected function createElasticaQuery(SearchRequestInterface $searchRequest)
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{
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$this->addSize($searchRequest);
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$this->addSearch($searchRequest);
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$this->addBoosts($searchRequest);
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$this->addFilter($searchRequest);
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$this->addFacets($searchRequest);
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// Use last, as it might change structure of query.
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// Better approach would be something like DQL to generate query and build result in the end.
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$this->addFactorBoost();
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$this->logger->debug('Generated elasticsearch query.', [$this->query]);
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return new \Elastica\Query($this->query);
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}
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@ -114,6 +123,53 @@ class QueryFactory
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}
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}
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/**
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* @param SearchRequestInterface $searchRequest
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*/
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protected function addBoosts(SearchRequestInterface $searchRequest)
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{
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try {
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$fields = $this->configuration->get('searching.boost');
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} catch (InvalidArgumentException $e) {
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return;
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}
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$boostQueryParts = [];
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foreach ($fields as $fieldName => $boostValue) {
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$boostQueryParts[] = [
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'match' => [
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$fieldName => [
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'query' => $searchRequest->getSearchTerm(),
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'boost' => $boostValue,
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],
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],
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];
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}
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$this->query = ArrayUtility::arrayMergeRecursiveOverrule($this->query, [
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'query' => [
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'bool' => [
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'should' => $boostQueryParts,
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],
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],
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]);
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}
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protected function addFactorBoost()
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{
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try {
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$this->query['query'] = [
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'function_score' => [
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'query' => $this->query['query'],
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'field_value_factor' => $this->configuration->get('searching.fieldValueFactor'),
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],
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];
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} catch (InvalidArgumentException $e) {
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return;
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}
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}
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/**
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* @param SearchRequestInterface $searchRequest
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*/
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@ -271,3 +271,41 @@ Searching
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Example::
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plugin.tx_searchcore.settings.searching.minimumShouldMatch = 50%
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.. _boost:
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``boost``
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"""""""""
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Used by: Elasticsearch connection while building search query.
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Define fields that should boost the score for results.
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Example::
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plugin.tx_searchcore.settings.searching.boost {
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search_title = 3
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search_abstract = 1.5
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}
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For further information take a look at
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https://www.elastic.co/guide/en/elasticsearch/guide/2.x/_boosting_query_clauses.html
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.. _fieldValueFactor:
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``fieldValueFactor``
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""""""""""""""""""""
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Used by: Elasticsearch connection while building search query.
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Define a field to use as a factor for scoring. The configuration is passed through to elastic
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search ``field_value_factor``, see: https://www.elastic.co/guide/en/elasticsearch/reference/5.2/query-dsl-function-score-query.html#function-field-value-factor
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Example::
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plugin.tx_searchcore.settings.searching.field_value_factor {
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field = rootlineLevel
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modifier = reciprocal
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factor = 2
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missing = 1
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}
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@ -21,6 +21,7 @@ namespace Codappix\SearchCore\Tests\Unit\Domain\Search;
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*/
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use Codappix\SearchCore\Configuration\ConfigurationContainerInterface;
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use Codappix\SearchCore\Configuration\InvalidArgumentException;
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use Codappix\SearchCore\Domain\Model\FacetRequest;
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use Codappix\SearchCore\Domain\Model\SearchRequest;
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use Codappix\SearchCore\Domain\Search\QueryFactory;
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@ -53,6 +54,10 @@ class QueryFactoryTest extends AbstractUnitTestCase
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{
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$searchRequest = new SearchRequest('SearchWord');
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$this->configuration->expects($this->any())
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->method('get')
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->will($this->throwException(new InvalidArgumentException));
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$query = $this->subject->create($searchRequest);
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$this->assertInstanceOf(
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\Elastica\Query::class,
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@ -66,6 +71,10 @@ class QueryFactoryTest extends AbstractUnitTestCase
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*/
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public function filterIsAddedToQuery()
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{
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$this->configuration->expects($this->any())
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->method('get')
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->will($this->throwException(new InvalidArgumentException));
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$searchRequest = new SearchRequest('SearchWord');
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$searchRequest->setFilter(['field' => 'content']);
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@ -84,6 +93,10 @@ class QueryFactoryTest extends AbstractUnitTestCase
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*/
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public function emptyFilterIsNotAddedToQuery()
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{
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$this->configuration->expects($this->any())
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->method('get')
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->will($this->throwException(new InvalidArgumentException));
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$searchRequest = new SearchRequest('SearchWord');
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$searchRequest->setFilter([
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'field' => '',
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@ -109,6 +122,9 @@ class QueryFactoryTest extends AbstractUnitTestCase
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*/
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public function facetsAreAddedToQuery()
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{
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$this->configuration->expects($this->any())
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->method('get')
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->will($this->throwException(new InvalidArgumentException));
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$searchRequest = new SearchRequest('SearchWord');
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$searchRequest->addFacet(new FacetRequest('Identifier', 'FieldName'));
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$searchRequest->addFacet(new FacetRequest('Identifier 2', 'FieldName 2'));
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@ -154,6 +170,9 @@ class QueryFactoryTest extends AbstractUnitTestCase
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public function searchTermIsAddedToQuery()
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{
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$searchRequest = new SearchRequest('SearchWord');
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$this->configuration->expects($this->any())
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->method('get')
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->will($this->throwException(new InvalidArgumentException));
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$query = $this->subject->create($searchRequest);
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$this->assertSame(
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@ -185,6 +204,9 @@ class QueryFactoryTest extends AbstractUnitTestCase
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->method('getIfExists')
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->with('searching.minimumShouldMatch')
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->willReturn('50%');
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$this->configuration->expects($this->any())
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->method('get')
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->will($this->throwException(new InvalidArgumentException));
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$query = $this->subject->create($searchRequest);
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$this->assertArraySubset(
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@ -205,4 +227,92 @@ class QueryFactoryTest extends AbstractUnitTestCase
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'minimum_should_match was not added to query as configured.'
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);
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}
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/**
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* @test
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*/
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public function boostsAreAddedToQuery()
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{
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$searchRequest = new SearchRequest('SearchWord');
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$this->configuration->expects($this->exactly(2))
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->method('get')
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->withConsecutive(['searching.boost'], ['searching.fieldValueFactor'])
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->will($this->onConsecutiveCalls(
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[
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'search_title' => 3,
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'search_abstract' => 1.5,
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],
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$this->throwException(new InvalidArgumentException)
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));
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$query = $this->subject->create($searchRequest);
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$this->assertSame(
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[
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[
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'match' => [
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'search_title' => [
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'query' => 'SearchWord',
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'boost' => 3,
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],
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],
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],
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[
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'match' => [
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'search_abstract' => [
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'query' => 'SearchWord',
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'boost' => 1.5,
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],
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],
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],
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],
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$query->toArray()['query']['bool']['should'],
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'Boosts were not added to query.'
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);
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}
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/**
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* @test
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*/
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public function factorBoostIsAddedToQuery()
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{
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$searchRequest = new SearchRequest('SearchWord');
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$fieldConfig = [
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'field' => 'rootlineLevel',
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'modifier' => 'reciprocal',
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'factor' => '2',
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'missing' => '1',
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];
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$this->configuration->expects($this->exactly(2))
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->method('get')
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->withConsecutive(['searching.boost'], ['searching.fieldValueFactor'])
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->will($this->onConsecutiveCalls(
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$this->throwException(new InvalidArgumentException),
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$fieldConfig
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));
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$query = $this->subject->create($searchRequest);
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$this->assertSame(
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[
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'function_score' => [
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'query' => [
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'bool' => [
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'must' => [
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[
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'match' => [
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'_all' => [
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'query' => 'SearchWord',
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],
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],
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],
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],
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],
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],
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'field_value_factor' => $fieldConfig,
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],
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],
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$query->toArray()['query'],
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'Boosts were not added to query.'
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);
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}
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}
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