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<?php
namespace andreskrey\Readability\Test;
use andreskrey\Readability\Configuration;
use andreskrey\Readability\ParseException;
use andreskrey\Readability\Readability;
/**
* Class ReadabilityTest.
*/
class ReadabilityTest extends \PHPUnit\Framework\TestCase
{
/**
* Test that Readability parses the HTML correctly and matches the expected result.
*
* @dataProvider getSamplePages
*
* @param TestPage $testPage
*
* @throws ParseException
*/
public function testReadabilityParsesHTML(TestPage $testPage)
{
$options = ['OriginalURL' => 'http://fakehost/test/test.html',
'FixRelativeURLs' => true,
'SubstituteEntities' => true,
'ArticleByLine' => true
];
$configuration = new Configuration(array_merge($testPage->getConfiguration(), $options));
$readability = new Readability($configuration);
$readability->parse($testPage->getSourceHTML());
$this->assertSame($testPage->getExpectedHTML(), $readability->getContent(), 'Parsed text does not match the expected one.');
}
/**
* Test that Readability parses the HTML correctly and matches the expected result.
*
* @dataProvider getSamplePages
*
* @param TestPage $testPage
*
* @throws ParseException
*/
public function testReadabilityParsesMetadata(TestPage $testPage)
{
$options = ['OriginalURL' => 'http://fakehost/test/test.html',
'FixRelativeURLs' => true,
'SubstituteEntities' => true,
'ArticleByLine' => true
];
$configuration = new Configuration(array_merge($testPage->getConfiguration(), $options));
$readability = new Readability($configuration);
$readability->parse($testPage->getSourceHTML());
$this->assertSame($testPage->getExpectedMetadata()->Author, $readability->getAuthor(), 'Parsed Author does not match expected value.');
$this->assertSame($testPage->getExpectedMetadata()->Direction, $readability->getDirection(), 'Parsed Direction does not match expected value.');
$this->assertSame($testPage->getExpectedMetadata()->Excerpt, $readability->getExcerpt(), 'Parsed Excerpt does not match expected value.');
$this->assertSame($testPage->getExpectedMetadata()->Image, $readability->getImage(), 'Parsed Image does not match expected value.');
$this->assertSame($testPage->getExpectedMetadata()->Title, $readability->getTitle(), 'Parsed Title does not match expected value.');
}
/**
* Test that Readability returns all the expected images from the test page.
*
* @param TestPage $testPage
* @dataProvider getSamplePages
*
* @throws ParseException
*/
public function testHTMLParserParsesImages(TestPage $testPage)
{
$options = ['OriginalURL' => 'http://fakehost/test/test.html',
'fixRelativeURLs' => true,
'substituteEntities' => true,
];
$configuration = new Configuration(array_merge($testPage->getConfiguration(), $options));
$readability = new Readability($configuration);
$readability->parse($testPage->getSourceHTML());
$this->assertSame($testPage->getExpectedImages(), $readability->getImages());
}
/**
* Main data provider.
*
* @return \Generator
*/
public function getSamplePages()
{
$path = pathinfo(__FILE__, PATHINFO_DIRNAME) . DIRECTORY_SEPARATOR . 'test-pages';
$testPages = scandir($path);
foreach (array_slice($testPages, 2) as $testPage) {
$testCasePath = $path . DIRECTORY_SEPARATOR . $testPage . DIRECTORY_SEPARATOR;
$source = file_get_contents($testCasePath . 'source.html');
$expectedHTML = file_get_contents($testCasePath . 'expected.html');
$expectedImages = json_decode(file_get_contents($testCasePath . 'expected-images.json'), true);
$expectedMetadata = json_decode(file_get_contents($testCasePath . 'expected-metadata.json'));
$configuration = file_exists($testCasePath . 'config.json') ? json_decode(file_get_contents($testCasePath . 'config.json'), true) : [];
yield $testPage => [new TestPage($configuration, $source, $expectedHTML, $expectedImages, $expectedMetadata)];
}
}
/**
* Test that Readability throws an exception with malformed HTML.
*
* @throws ParseException
*/
public function testReadabilityThrowsExceptionWithMalformedHTML()
{
$parser = new Readability(new Configuration());
$this->expectException(ParseException::class);
$this->expectExceptionMessage('Invalid or incomplete HTML.');
$parser->parse('<html>');
}
/**
* Test that Readability throws an exception with incomplete or short HTML.
*
* @throws ParseException
*/
public function testReadabilityThrowsExceptionWithUnparseableHTML()
{
$parser = new Readability(new Configuration());
$this->expectException(ParseException::class);
$this->expectExceptionMessage('Could not parse text.');
$parser->parse('<html><body><p></p></body></html>');
}
/**
* Test that the Readability object has no content as soon as it is instantiated.
*/
public function testReadabilityCallGetContentWithNoContent()
{
$parser = new Readability(new Configuration());
$this->assertNull($parser->getContent());
}
}
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