Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\Component\Utility;
Chris@0: 
Chris@0: use Drupal\Component\Utility\UrlHelper;
Chris@0: use PHPUnit\Framework\TestCase;
Chris@0: 
Chris@0: /**
Chris@0:  * @group Utility
Chris@0:  *
Chris@0:  * @coversDefaultClass \Drupal\Component\Utility\UrlHelper
Chris@0:  */
Chris@0: class UrlHelperTest extends TestCase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides test data for testBuildQuery().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public function providerTestBuildQuery() {
Chris@0:     return [
Chris@0:       [['a' => ' &#//+%20@۞'], 'a=%20%26%23//%2B%2520%40%DB%9E', 'Value was properly encoded.'],
Chris@0:       [[' &#//+%20@۞' => 'a'], '%20%26%23%2F%2F%2B%2520%40%DB%9E=a', 'Key was properly encoded.'],
Chris@0:       [['a' => '1', 'b' => '2', 'c' => '3'], 'a=1&b=2&c=3', 'Multiple values were properly concatenated.'],
Chris@0:       [['a' => ['b' => '2', 'c' => '3'], 'd' => 'foo'], 'a%5Bb%5D=2&a%5Bc%5D=3&d=foo', 'Nested array was properly encoded.'],
Chris@0:       [['foo' => NULL], 'foo', 'Simple parameters are properly added.'],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests query building.
Chris@0:    *
Chris@0:    * @dataProvider providerTestBuildQuery
Chris@0:    * @covers ::buildQuery
Chris@0:    *
Chris@0:    * @param array $query
Chris@0:    *   The array of query parameters.
Chris@0:    * @param string $expected
Chris@0:    *   The expected query string.
Chris@0:    * @param string $message
Chris@0:    *   The assertion message.
Chris@0:    */
Chris@0:   public function testBuildQuery($query, $expected, $message) {
Chris@0:     $this->assertEquals(UrlHelper::buildQuery($query), $expected, $message);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Data provider for testValidAbsolute().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public function providerTestValidAbsoluteData() {
Chris@0:     $urls = [
Chris@0:       'example.com',
Chris@0:       'www.example.com',
Chris@0:       'ex-ample.com',
Chris@0:       '3xampl3.com',
Chris@0:       'example.com/parenthesis',
Chris@0:       'example.com/index.html#pagetop',
Chris@0:       'example.com:8080',
Chris@0:       'subdomain.example.com',
Chris@0:       'example.com/index.php/node',
Chris@0:       'example.com/index.php/node?param=false',
Chris@0:       'user@www.example.com',
Chris@0:       'user:pass@www.example.com:8080/login.php?do=login&style=%23#pagetop',
Chris@0:       '127.0.0.1',
Chris@0:       'example.org?',
Chris@0:       'john%20doe:secret:foo@example.org/',
Chris@0:       'example.org/~,$\'*;',
Chris@0:       'caf%C3%A9.example.org',
Chris@0:       '[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html',
Chris@0:     ];
Chris@0: 
Chris@0:     return $this->dataEnhanceWithScheme($urls);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests valid absolute URLs.
Chris@0:    *
Chris@0:    * @dataProvider providerTestValidAbsoluteData
Chris@0:    * @covers ::isValid
Chris@0:    *
Chris@0:    * @param string $url
Chris@0:    *   The url to test.
Chris@0:    * @param string $scheme
Chris@0:    *   The scheme to test.
Chris@0:    */
Chris@0:   public function testValidAbsolute($url, $scheme) {
Chris@0:     $test_url = $scheme . '://' . $url;
Chris@0:     $valid_url = UrlHelper::isValid($test_url, TRUE);
Chris@0:     $this->assertTrue($valid_url, $test_url . ' is a valid URL.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for testInvalidAbsolute().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public function providerTestInvalidAbsolute() {
Chris@0:     $data = [
Chris@0:       '',
Chris@0:       'ex!ample.com',
Chris@0:       'ex%ample.com',
Chris@0:     ];
Chris@0:     return $this->dataEnhanceWithScheme($data);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests invalid absolute URLs.
Chris@0:    *
Chris@0:    * @dataProvider providerTestInvalidAbsolute
Chris@0:    * @covers ::isValid
Chris@0:    *
Chris@0:    * @param string $url
Chris@0:    *   The url to test.
Chris@0:    * @param string $scheme
Chris@0:    *   The scheme to test.
Chris@0:    */
Chris@0:   public function testInvalidAbsolute($url, $scheme) {
Chris@0:     $test_url = $scheme . '://' . $url;
Chris@0:     $valid_url = UrlHelper::isValid($test_url, TRUE);
Chris@0:     $this->assertFalse($valid_url, $test_url . ' is NOT a valid URL.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for testValidRelative().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public function providerTestValidRelativeData() {
Chris@0:     $data = [
Chris@0:       'paren(the)sis',
Chris@0:       'index.html#pagetop',
Chris@0:       'index.php/node',
Chris@0:       'index.php/node?param=false',
Chris@0:       'login.php?do=login&style=%23#pagetop',
Chris@0:     ];
Chris@0: 
Chris@0:     return $this->dataEnhanceWithPrefix($data);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests valid relative URLs.
Chris@0:    *
Chris@0:    * @dataProvider providerTestValidRelativeData
Chris@0:    * @covers ::isValid
Chris@0:    *
Chris@0:    * @param string $url
Chris@0:    *   The url to test.
Chris@0:    * @param string $prefix
Chris@0:    *   The prefix to test.
Chris@0:    */
Chris@0:   public function testValidRelative($url, $prefix) {
Chris@0:     $test_url = $prefix . $url;
Chris@0:     $valid_url = UrlHelper::isValid($test_url);
Chris@0:     $this->assertTrue($valid_url, $test_url . ' is a valid URL.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for testInvalidRelative().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public function providerTestInvalidRelativeData() {
Chris@0:     $data = [
Chris@0:       'ex^mple',
Chris@0:       'example<>',
Chris@0:       'ex%ample',
Chris@0:     ];
Chris@0:     return $this->dataEnhanceWithPrefix($data);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests invalid relative URLs.
Chris@0:    *
Chris@0:    * @dataProvider providerTestInvalidRelativeData
Chris@0:    * @covers ::isValid
Chris@0:    *
Chris@0:    * @param string $url
Chris@0:    *   The url to test.
Chris@0:    * @param string $prefix
Chris@0:    *   The prefix to test.
Chris@0:    */
Chris@0:   public function testInvalidRelative($url, $prefix) {
Chris@0:     $test_url = $prefix . $url;
Chris@0:     $valid_url = UrlHelper::isValid($test_url);
Chris@0:     $this->assertFalse($valid_url, $test_url . ' is NOT a valid URL.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests query filtering.
Chris@0:    *
Chris@0:    * @dataProvider providerTestFilterQueryParameters
Chris@0:    * @covers ::filterQueryParameters
Chris@0:    *
Chris@0:    * @param array $query
Chris@0:    *   The array of query parameters.
Chris@0:    * @param array $exclude
Chris@0:    *   A list of $query array keys to remove. Use "parent[child]" to exclude
Chris@0:    *   nested items.
Chris@0:    * @param array $expected
Chris@0:    *   An array containing query parameters.
Chris@0:    */
Chris@0:   public function testFilterQueryParameters($query, $exclude, $expected) {
Chris@0:     $filtered = UrlHelper::filterQueryParameters($query, $exclude);
Chris@0:     $this->assertEquals($expected, $filtered, 'The query was not properly filtered.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data to self::testFilterQueryParameters().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public static function providerTestFilterQueryParameters() {
Chris@0:     return [
Chris@0:       // Test without an exclude filter.
Chris@0:       [
Chris@0:         'query' => ['a' => ['b' => 'c']],
Chris@0:         'exclude' => [],
Chris@0:         'expected' => ['a' => ['b' => 'c']],
Chris@0:       ],
Chris@0:       // Exclude the 'b' element.
Chris@0:       [
Chris@0:         'query' => ['a' => ['b' => 'c', 'd' => 'e']],
Chris@0:         'exclude' => ['a[b]'],
Chris@0:         'expected' => ['a' => ['d' => 'e']],
Chris@0:       ],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests url parsing.
Chris@0:    *
Chris@0:    * @dataProvider providerTestParse
Chris@0:    * @covers ::parse
Chris@0:    *
Chris@0:    * @param string $url
Chris@0:    *   URL to test.
Chris@0:    * @param array $expected
Chris@0:    *   Associative array with expected parameters.
Chris@0:    */
Chris@0:   public function testParse($url, $expected) {
Chris@0:     $parsed = UrlHelper::parse($url);
Chris@0:     $this->assertEquals($expected, $parsed, 'The URL was not properly parsed.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for self::testParse().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public static function providerTestParse() {
Chris@0:     return [
Chris@0:       [
Chris@0:         'http://www.example.com/my/path',
Chris@0:         [
Chris@0:           'path' => 'http://www.example.com/my/path',
Chris@0:           'query' => [],
Chris@0:           'fragment' => '',
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'http://www.example.com/my/path?destination=home#footer',
Chris@0:         [
Chris@0:           'path' => 'http://www.example.com/my/path',
Chris@0:           'query' => [
Chris@0:             'destination' => 'home',
Chris@0:           ],
Chris@0:           'fragment' => 'footer',
Chris@0:         ],
Chris@0:       ],
Chris@0:       'absolute fragment, no query' => [
Chris@0:         'http://www.example.com/my/path#footer',
Chris@0:         [
Chris@0:           'path' => 'http://www.example.com/my/path',
Chris@0:           'query' => [],
Chris@0:           'fragment' => 'footer',
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'http://',
Chris@0:         [
Chris@0:           'path' => '',
Chris@0:           'query' => [],
Chris@0:           'fragment' => '',
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'https://',
Chris@0:         [
Chris@0:           'path' => '',
Chris@0:           'query' => [],
Chris@0:           'fragment' => '',
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         '/my/path?destination=home#footer',
Chris@0:         [
Chris@0:           'path' => '/my/path',
Chris@0:           'query' => [
Chris@0:             'destination' => 'home',
Chris@0:           ],
Chris@0:           'fragment' => 'footer',
Chris@0:         ],
Chris@0:       ],
Chris@0:       'relative fragment, no query' => [
Chris@0:         '/my/path#footer',
Chris@0:         [
Chris@0:           'path' => '/my/path',
Chris@0:           'query' => [],
Chris@0:           'fragment' => 'footer',
Chris@0:         ],
Chris@0:       ],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests path encoding.
Chris@0:    *
Chris@0:    * @dataProvider providerTestEncodePath
Chris@0:    * @covers ::encodePath
Chris@0:    *
Chris@0:    * @param string $path
Chris@0:    *   A path to encode.
Chris@0:    * @param string $expected
Chris@0:    *   The expected encoded path.
Chris@0:    */
Chris@0:   public function testEncodePath($path, $expected) {
Chris@0:     $encoded = UrlHelper::encodePath($path);
Chris@0:     $this->assertEquals($expected, $encoded);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for self::testEncodePath().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public static function providerTestEncodePath() {
Chris@0:     return [
Chris@0:       ['unencoded path with spaces', 'unencoded%20path%20with%20spaces'],
Chris@0:       ['slashes/should/be/preserved', 'slashes/should/be/preserved'],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests external versus internal paths.
Chris@0:    *
Chris@0:    * @dataProvider providerTestIsExternal
Chris@0:    * @covers ::isExternal
Chris@0:    *
Chris@0:    * @param string $path
Chris@0:    *   URL or path to test.
Chris@0:    * @param bool $expected
Chris@0:    *   Expected result.
Chris@0:    */
Chris@0:   public function testIsExternal($path, $expected) {
Chris@0:     $isExternal = UrlHelper::isExternal($path);
Chris@0:     $this->assertEquals($expected, $isExternal);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for self::testIsExternal().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public static function providerTestIsExternal() {
Chris@0:     return [
Chris@0:       ['/internal/path', FALSE],
Chris@0:       ['https://example.com/external/path', TRUE],
Chris@0:       ['javascript://fake-external-path', FALSE],
Chris@0:       // External URL without an explicit protocol.
Chris@0:       ['//www.drupal.org/foo/bar?foo=bar&bar=baz&baz#foo', TRUE],
Chris@0:       // Internal URL starting with a slash.
Chris@0:       ['/www.drupal.org', FALSE],
Chris@0:       // Simple external URLs.
Chris@0:       ['http://example.com', TRUE],
Chris@0:       ['https://example.com', TRUE],
Chris@0:       ['http://drupal.org/foo/bar?foo=bar&bar=baz&baz#foo', TRUE],
Chris@0:       ['//drupal.org', TRUE],
Chris@0:       // Some browsers ignore or strip leading control characters.
Chris@0:       ["\x00//www.example.com", TRUE],
Chris@0:       ["\x08//www.example.com", TRUE],
Chris@0:       ["\x1F//www.example.com", TRUE],
Chris@0:       ["\n//www.example.com", TRUE],
Chris@0:       // JSON supports decoding directly from UTF-8 code points.
Chris@0:       [json_decode('"\u00AD"') . "//www.example.com", TRUE],
Chris@0:       [json_decode('"\u200E"') . "//www.example.com", TRUE],
Chris@0:       [json_decode('"\uE0020"') . "//www.example.com", TRUE],
Chris@0:       [json_decode('"\uE000"') . "//www.example.com", TRUE],
Chris@0:       // Backslashes should be normalized to forward.
Chris@0:       ['\\\\example.com', TRUE],
Chris@0:       // Local URLs.
Chris@0:       ['node', FALSE],
Chris@0:       ['/system/ajax', FALSE],
Chris@0:       ['?q=foo:bar', FALSE],
Chris@0:       ['node/edit:me', FALSE],
Chris@0:       ['/drupal.org', FALSE],
Chris@0:       ['<front>', FALSE],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests bad protocol filtering and escaping.
Chris@0:    *
Chris@0:    * @dataProvider providerTestFilterBadProtocol
Chris@0:    * @covers ::setAllowedProtocols
Chris@0:    * @covers ::filterBadProtocol
Chris@0:    *
Chris@0:    * @param string $uri
Chris@0:    *   Protocol URI.
Chris@0:    * @param string $expected
Chris@0:    *   Expected escaped value.
Chris@0:    * @param array $protocols
Chris@0:    *   Protocols to allow.
Chris@0:    */
Chris@0:   public function testFilterBadProtocol($uri, $expected, $protocols) {
Chris@0:     UrlHelper::setAllowedProtocols($protocols);
Chris@0:     $this->assertEquals($expected, UrlHelper::filterBadProtocol($uri));
Chris@0:     // Multiple calls to UrlHelper::filterBadProtocol() do not cause double
Chris@0:     // escaping.
Chris@0:     $this->assertEquals($expected, UrlHelper::filterBadProtocol(UrlHelper::filterBadProtocol($uri)));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for self::testTestFilterBadProtocol().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public static function providerTestFilterBadProtocol() {
Chris@0:     return [
Chris@0:       ['javascript://example.com?foo&bar', '//example.com?foo&amp;bar', ['http', 'https']],
Chris@0:       // Test custom protocols.
Chris@0:       ['http://example.com?foo&bar', '//example.com?foo&amp;bar', ['https']],
Chris@0:       // Valid protocol.
Chris@0:       ['http://example.com?foo&bar', 'http://example.com?foo&amp;bar', ['https', 'http']],
Chris@0:       // Colon not part of the URL scheme.
Chris@0:       ['/test:8888?foo&bar', '/test:8888?foo&amp;bar', ['http']],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests dangerous url protocol filtering.
Chris@0:    *
Chris@0:    * @dataProvider providerTestStripDangerousProtocols
Chris@0:    * @covers ::setAllowedProtocols
Chris@0:    * @covers ::stripDangerousProtocols
Chris@0:    *
Chris@0:    * @param string $uri
Chris@0:    *   Protocol URI.
Chris@0:    * @param string $expected
Chris@0:    *   Expected escaped value.
Chris@0:    * @param array $protocols
Chris@0:    *   Protocols to allow.
Chris@0:    */
Chris@0:   public function testStripDangerousProtocols($uri, $expected, $protocols) {
Chris@0:     UrlHelper::setAllowedProtocols($protocols);
Chris@0:     $stripped = UrlHelper::stripDangerousProtocols($uri);
Chris@0:     $this->assertEquals($expected, $stripped);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for self::testStripDangerousProtocols().
Chris@0:    *
Chris@0:    * @return array
Chris@0:    */
Chris@0:   public static function providerTestStripDangerousProtocols() {
Chris@0:     return [
Chris@0:       ['javascript://example.com', '//example.com', ['http', 'https']],
Chris@0:       // Test custom protocols.
Chris@0:       ['http://example.com', '//example.com', ['https']],
Chris@0:       // Valid protocol.
Chris@0:       ['http://example.com', 'http://example.com', ['https', 'http']],
Chris@0:       // Colon not part of the URL scheme.
Chris@0:       ['/test:8888', '/test:8888', ['http']],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Enhances test urls with schemes
Chris@0:    *
Chris@0:    * @param array $urls
Chris@0:    *   The list of urls.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   A list of provider data with schemes.
Chris@0:    */
Chris@0:   protected function dataEnhanceWithScheme(array $urls) {
Chris@0:     $url_schemes = ['http', 'https', 'ftp'];
Chris@0:     $data = [];
Chris@0:     foreach ($url_schemes as $scheme) {
Chris@0:       foreach ($urls as $url) {
Chris@0:         $data[] = [$url, $scheme];
Chris@0:       }
Chris@0:     }
Chris@0:     return $data;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Enhances test urls with prefixes.
Chris@0:    *
Chris@0:    * @param array $urls
Chris@0:    *   The list of urls.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   A list of provider data with prefixes.
Chris@0:    */
Chris@0:   protected function dataEnhanceWithPrefix(array $urls) {
Chris@0:     $prefixes = ['', '/'];
Chris@0:     $data = [];
Chris@0:     foreach ($prefixes as $prefix) {
Chris@0:       foreach ($urls as $url) {
Chris@0:         $data[] = [$url, $prefix];
Chris@0:       }
Chris@0:     }
Chris@0:     return $data;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test detecting external urls that point to local resources.
Chris@0:    *
Chris@0:    * @param string $url
Chris@0:    *   The external url to test.
Chris@0:    * @param string $base_url
Chris@0:    *   The base url.
Chris@0:    * @param bool $expected
Chris@0:    *   TRUE if an external URL points to this installation as determined by the
Chris@0:    *   base url.
Chris@0:    *
Chris@0:    * @covers ::externalIsLocal
Chris@0:    * @dataProvider providerTestExternalIsLocal
Chris@0:    */
Chris@0:   public function testExternalIsLocal($url, $base_url, $expected) {
Chris@0:     $this->assertSame($expected, UrlHelper::externalIsLocal($url, $base_url));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provider for local external url detection.
Chris@0:    *
Chris@0:    * @see \Drupal\Tests\Component\Utility\UrlHelperTest::testExternalIsLocal()
Chris@0:    */
Chris@0:   public function providerTestExternalIsLocal() {
Chris@0:     return [
Chris@0:       // Different mixes of trailing slash.
Chris@0:       ['http://example.com', 'http://example.com', TRUE],
Chris@0:       ['http://example.com/', 'http://example.com', TRUE],
Chris@0:       ['http://example.com', 'http://example.com/', TRUE],
Chris@0:       ['http://example.com/', 'http://example.com/', TRUE],
Chris@0:       // Sub directory of site.
Chris@0:       ['http://example.com/foo', 'http://example.com/', TRUE],
Chris@0:       ['http://example.com/foo/bar', 'http://example.com/foo', TRUE],
Chris@0:       ['http://example.com/foo/bar', 'http://example.com/foo/', TRUE],
Chris@0:       // Different sub-domain.
Chris@0:       ['http://example.com', 'http://www.example.com/', FALSE],
Chris@0:       ['http://example.com/', 'http://www.example.com/', FALSE],
Chris@0:       ['http://example.com/foo', 'http://www.example.com/', FALSE],
Chris@0:       // Different TLD.
Chris@0:       ['http://example.com', 'http://example.ca', FALSE],
Chris@0:       ['http://example.com', 'http://example.ca/', FALSE],
Chris@0:       ['http://example.com/', 'http://example.ca/', FALSE],
Chris@0:       ['http://example.com/foo', 'http://example.ca', FALSE],
Chris@0:       ['http://example.com/foo', 'http://example.ca/', FALSE],
Chris@0:       // Different site path.
Chris@0:       ['http://example.com/foo', 'http://example.com/bar', FALSE],
Chris@0:       ['http://example.com', 'http://example.com/bar', FALSE],
Chris@0:       ['http://example.com/bar', 'http://example.com/bar/', FALSE],
Chris@17:       // Ensure \ is normalised to / since some browsers do that.
Chris@17:       ['http://www.example.ca\@example.com', 'http://example.com', FALSE],
Chris@17:       // Some browsers ignore or strip leading control characters.
Chris@17:       ["\x00//www.example.ca", 'http://example.com', FALSE],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test invalid url arguments.
Chris@0:    *
Chris@0:    * @param string $url
Chris@0:    *   The url to test.
Chris@0:    * @param string $base_url
Chris@0:    *   The base url.
Chris@0:    *
Chris@0:    * @covers ::externalIsLocal
Chris@0:    * @dataProvider providerTestExternalIsLocalInvalid
Chris@0:    */
Chris@0:   public function testExternalIsLocalInvalid($url, $base_url) {
Chris@14:     if (method_exists($this, 'expectException')) {
Chris@14:       $this->expectException(\InvalidArgumentException::class);
Chris@14:     }
Chris@14:     else {
Chris@14:       $this->setExpectedException(\InvalidArgumentException::class);
Chris@14:     }
Chris@0:     UrlHelper::externalIsLocal($url, $base_url);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides invalid argument data for local external url detection.
Chris@0:    *
Chris@0:    * @see \Drupal\Tests\Component\Utility\UrlHelperTest::testExternalIsLocalInvalid()
Chris@0:    */
Chris@0:   public function providerTestExternalIsLocalInvalid() {
Chris@0:     return [
Chris@0:       ['http://example.com/foo', ''],
Chris@0:       ['http://example.com/foo', 'bar'],
Chris@0:       ['http://example.com/foo', 'http://'],
Chris@0:       // Invalid destination urls.
Chris@0:       ['', 'http://example.com/foo'],
Chris@0:       ['bar', 'http://example.com/foo'],
Chris@0:       ['/bar', 'http://example.com/foo'],
Chris@0:       ['bar/', 'http://example.com/foo'],
Chris@0:       ['http://', 'http://example.com/foo'],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0: }