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<?php |
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namespace stojg\recommend\tests; |
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use stojg\recommend\Data; |
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use stojg\recommend\strategy\Cosine; |
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use stojg\recommend\strategy\Manhattan; |
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use stojg\recommend\strategy\Paerson; |
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class RecommenderTest extends \PHPUnit_Framework_TestCase |
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{ |
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/** |
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* @var array |
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*/ |
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protected $set; |
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public function setUp() |
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{ |
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$data = $this->getFixture('users.json'); |
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$this->set = json_decode($data, true); |
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} |
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public function testRecommendManhattanHailey() |
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{ |
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$data = new Data($this->set); |
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$recommendations = $data->recommend('Hailey', new Manhattan()); |
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$this->assertEquals(3, count($recommendations)); |
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$this->assertEquals('Phoenix', $recommendations[0]['key']); |
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$this->assertEquals(4.0, $recommendations[0]['value']); |
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$this->assertEquals('Blues Traveler', $recommendations[1]['key']); |
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$this->assertEquals(3.0, $recommendations[1]['value']); |
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$this->assertEquals('Slightly Stoopid', $recommendations[2]['key']); |
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$this->assertEquals(2.5, $recommendations[2]['value']); |
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} |
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public function testRecommendManhattanChan() |
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{ |
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$data = new Data($this->set); |
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$recommendations = $data->recommend('Chan', new Manhattan()); |
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$this->assertEquals(2, count($recommendations)); |
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$this->assertEquals('The Strokes', $recommendations[0]['key']); |
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$this->assertEquals(5.0, $recommendations[0]['value']); |
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} |
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public function testRecommendManhattanSam() |
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{ |
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$data = new Data($this->set); |
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$recommendations = $data->recommend('Sam', new Manhattan()); |
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$this->assertEquals(1, count($recommendations)); |
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$this->assertEquals('Deadmau5', $recommendations[0]['key']); |
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$this->assertEquals(1.0, $recommendations[0]['value']); |
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} |
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public function testRecommendManhattanAngelica() |
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{ |
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$data = new Data($this->set); |
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$recommendations = $data->recommend('Angelica', new Manhattan()); |
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$this->assertEquals(0, count($recommendations)); |
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} |
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public function testRecommendPaersonHailey() |
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{ |
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$data = new Data($this->set); |
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$recommendations = $data->recommend('Hailey', new Paerson()); |
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$this->assertEquals(3, count($recommendations)); |
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$this->assertEquals('Blues Traveler', $recommendations[0]['key']); |
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$this->assertEquals(5.0, $recommendations[0]['value']); |
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$this->assertEquals('Phoenix', $recommendations[1]['key']); |
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$this->assertEquals(5.0, $recommendations[1]['value']); |
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$this->assertEquals('Slightly Stoopid', $recommendations[2]['key']); |
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$this->assertEquals(4.0, $recommendations[2]['value']); |
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} |
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public function testRecommendPaersonNoMatch() |
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{ |
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$set = json_decode(file_get_contents(__DIR__.'/fixtures/users_nomatch.json'), true); |
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$data = new Data($set); |
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$recommendations = $data->recommend('Andrea', new Paerson()); |
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$this->assertEquals(0, count($recommendations)); |
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} |
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public function testRecommendCosineHailey() |
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{ |
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$data = new Data($this->set); |
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$recommendations = $data->recommend('Hailey', new Cosine()); |
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$this->assertEquals(3, count($recommendations)); |
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$this->assertEquals('Blues Traveler', $recommendations[0]['key']); |
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$this->assertEquals(5.0, $recommendations[0]['value']); |
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$this->assertEquals('Phoenix', $recommendations[1]['key']); |
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$this->assertEquals(5.0, $recommendations[1]['value']); |
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} |
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public function testFromReadme() |
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{ |
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$artistRatings = [ |
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'Abe' => [ |
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'Blues Traveler' => 3, |
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'Broken Bells' => 2, |
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'Norah Jones' => 4, |
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'Phoenix' => 5, |
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'Slightly Stoopid' => 1, |
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'The Strokes' => 2, |
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'Vampire Weekend' => 2, |
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], |
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'Blair' => [ |
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'Blues Traveler' => 2, |
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'Broken Bells' => 3, |
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'Deadmau5' => 4, |
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'Phoenix' => 2, |
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'Slightly Stoopid' => 3, |
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'Vampire Weekend' => 3, |
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], |
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'Clair' => [ |
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'Blues Traveler' => 5, |
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'Broken Bells' => 1, |
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'Deadmau5' => 1, |
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'Norah Jones' => 3, |
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'Phoenix' => 5, |
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'Slightly Stoopid' => 1, |
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], |
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]; |
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$data = new \stojg\recommend\Data($artistRatings); |
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$recommendations = $data->recommend('Blair', new \stojg\recommend\strategy\Manhattan()); |
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$this->assertEquals('Norah Jones', $recommendations[0]['key']); |
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$this->assertEquals(4, $recommendations[0]['value']); |
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} |
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public function testWithArticles() |
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{ |
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$data = new \stojg\recommend\ArticleData(); |
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$data->push('eagle', $this->getFixture('article_eagle.txt')); |
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$data->push('kiwi', $this->getFixture('article_kiwi.txt')); |
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$data->push('turtle', $this->getFixture('article_turtle.txt')); |
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$data->push('quantum', $this->getFixture('article_quantum.txt')); |
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$eagleNearest = $data->findNearest('eagle'); |
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$this->assertEquals('kiwi', $eagleNearest, 'readers of eagle should read kiwi'); |
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$kiwiNearest = $data->findNearest('kiwi'); |
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$this->assertEquals('eagle', $kiwiNearest, 'readers of kiwi should read eagle'); |
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$turtleNearest = $data->findNearest('turtle'); |
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$this->assertEquals('eagle', $turtleNearest, 'turtle of eagle should read eagle'); |
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$quantumNearest = $data->findNearest('quantum'); |
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$this->assertEquals('eagle', $quantumNearest, 'readers of quantum should read eagle'); |
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} |
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protected function getFixture($fixtureFileName) |
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{ |
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return file_get_contents(__DIR__.'/fixtures/'.$fixtureFileName); |
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} |
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} |
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stojg /
recommend
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..