SearchSuggestionSetTest.php

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<?php
 
class SearchSuggestionSetTest extends \PHPUnit\Framework\TestCase {
    public function testAppend() {
        $set = SearchSuggestionSet::emptySuggestionSet();
        $this->assertEquals( 0, $set->getSize() );
        $set->append( new SearchSuggestion( 3 ) );
        $this->assertEquals( 3, $set->getWorstScore() );
        $this->assertEquals( 3, $set->getBestScore() );
 
        $suggestion = new SearchSuggestion( 4 );
        $set->append( $suggestion );
        $this->assertEquals( 2, $set->getWorstScore() );
        $this->assertEquals( 3, $set->getBestScore() );
        $this->assertEquals( 2, $suggestion->getScore() );
 
        $suggestion = new SearchSuggestion( 2 );
        $set->append( $suggestion );
        $this->assertEquals( 1, $set->getWorstScore() );
        $this->assertEquals( 3, $set->getBestScore() );
        $this->assertEquals( 1, $suggestion->getScore() );
 
        $scores = $set->map( function ( $s ) {
            return $s->getScore();
        } );
        $sorted = $scores;
        asort( $sorted );
        $this->assertEquals( $sorted, $scores );
    }
 
    public function testInsertBest() {
        $set = SearchSuggestionSet::emptySuggestionSet();
        $this->assertEquals( 0, $set->getSize() );
        $set->prepend( new SearchSuggestion( 3 ) );
        $this->assertEquals( 3, $set->getWorstScore() );
        $this->assertEquals( 3, $set->getBestScore() );
 
        $suggestion = new SearchSuggestion( 4 );
        $set->prepend( $suggestion );
        $this->assertEquals( 3, $set->getWorstScore() );
        $this->assertEquals( 4, $set->getBestScore() );
        $this->assertEquals( 4, $suggestion->getScore() );
 
        $suggestion = new SearchSuggestion( 0 );
        $set->prepend( $suggestion );
        $this->assertEquals( 3, $set->getWorstScore() );
        $this->assertEquals( 5, $set->getBestScore() );
        $this->assertEquals( 5, $suggestion->getScore() );
 
        $suggestion = new SearchSuggestion( 2 );
        $set->prepend( $suggestion );
        $this->assertEquals( 3, $set->getWorstScore() );
        $this->assertEquals( 6, $set->getBestScore() );
        $this->assertEquals( 6, $suggestion->getScore() );
 
        $scores = $set->map( function ( $s ) {
            return $s->getScore();
        } );
        $sorted = $scores;
        asort( $sorted );
        $this->assertEquals( $sorted, $scores );
    }
 
    public function testShrink() {
        $set = SearchSuggestionSet::emptySuggestionSet();
        for ( $i = 0; $i < 100; $i++ ) {
            $set->append( new SearchSuggestion( 0 ) );
        }
        $set->shrink( 10 );
        $this->assertEquals( 10, $set->getSize() );
 
        $set->shrink( 0 );
        $this->assertEquals( 0, $set->getSize() );
    }
 
    // TODO: test for fromTitles
}