public function testCheckIsSpamMethod()
{
$corpus = $this->getMockBuilder('\\PHPAntiSpam\\Corpus')->disableOriginalConstructor()->getMock();
$method = $this->getMockBuilder('\\PHPAntiSpam\\Method\\MethodInterface')->disableOriginalConstructor()->getMock();
$method->expects($this->once())->method('calculate')->will($this->returnValue(0.9));
$classifier = new Classifier($corpus);
$classifier->setMethod($method);
$this->assertEquals(0.9, $classifier->isSpam('short text'));
}
$messages = [['category' => 'spam', 'content' => 'this is spam'], ['category' => 'nospam', 'content' => 'this is']];
$tokenizer = new WhitespaceTokenizer();
$corpus = new ArrayCorpus($messages, $tokenizer);
// Graham method
$classifier = new Classifier($corpus);
$classifier->setMethod(new \PHPAntiSpam\Method\GrahamMethod($corpus));
$spamProbability = $classifier->isSpam('This is spam');
echo 'With Graham method:' . PHP_EOL;
echo sprintf('Spam probability: %s', $spamProbability) . PHP_EOL;
echo sprintf('Is spam: %s', $spamProbability < 0.9 ? 'NO' : 'YES') . PHP_EOL . PHP_EOL;
// Burton method
$classifier = new Classifier($corpus);
$classifier->setMethod(new \PHPAntiSpam\Method\BurtonMethod($corpus));
$spamProbability = $classifier->isSpam('This is spam');
echo 'With Burton method:' . PHP_EOL;
echo sprintf('Spam probability: %s', $spamProbability) . PHP_EOL;
echo sprintf('Is spam: %s', $spamProbability < 0.9 ? 'NO' : 'YES') . PHP_EOL . PHP_EOL;
// Robinson Geometric Mean Test Method
$classifier = new Classifier($corpus);
$classifier->setMethod(new \PHPAntiSpam\Method\RobinsonGeometricMeanTestMethod($corpus));
$spamProbability = $classifier->isSpam('This is spam');
echo 'With Robinson Geometric Mean Test method:' . PHP_EOL;
echo sprintf('Spam probability: [spamminess: %s; hamminess: %s; combined: %s]', $spamProbability['spamminess'], $spamProbability['hamminess'], $spamProbability['combined']) . PHP_EOL;
echo sprintf('Is spam: %s', $spamProbability['combined'] <= 0.55 ? 'NO' : 'YES') . PHP_EOL . PHP_EOL;
// Fisher-Robinson Inverse Chi Square Method
$classifier = new Classifier($corpus);
$classifier->setMethod(new \PHPAntiSpam\Method\FisherRobinsonInverseChiSquareMethod($corpus));
$spamProbability = $classifier->isSpam('This is spam');
echo 'With Fisher-Robinson Inverse Chi Square method:' . PHP_EOL;
echo sprintf('Spam probability: [spamminess: %s; hamminess: %s; combined: %s]', $spamProbability['spamminess'], $spamProbability['hamminess'], $spamProbability['combined']) . PHP_EOL;
echo sprintf('Is spam: %s', $spamProbability['combined'] <= 0.55 ? 'NO' : 'YES') . PHP_EOL;
