wiki.techinc.nl/tests/phpunit/includes/objectcache/MemcachedBagOStuffTest.php
Ori Livneh 0c9fb12265 Escape colons in BagOStuff key segments
For the sake of safety and correctness, the following BagOStuff::makeKey()
invocations should return distinct keys:

   $cache->makeKey( 'ab:', 'cd' );
   $cache->makeKey( 'ab', ':cd' );

That is not currently the case, because while we use ':' as a key path
separator, we don't escape ':' in the input supplied to makeKey(). So, make
BagOStuff::makeKeyInternal() URL-encode colons.

To prevent this from messing up the max. key length calculations, reproduce
this logic in MemcachedBagOStuff::makeKeyInternal(), in lieu of having the
method call its parent.

Change-Id: I83ea7e7336a1c9e64aa42284c2517089a736efe5
2015-10-23 20:26:49 -07:00

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<?php
/**
* @group BagOStuff
*/
class MemcachedBagOStuffTest extends MediaWikiTestCase {
/** @var MemcachedBagOStuff */
private $cache;
protected function setUp() {
parent::setUp();
$this->cache = new MemcachedBagOStuff( array( 'keyspace' => 'test' ) );
}
/**
* @covers MemcachedBagOStuff::makeKeyInternal
*/
public function testKeyNormalization() {
$this->assertEquals(
$this->cache->makeKey( 'vanilla' ),
'test:vanilla'
);
$this->assertEquals(
$this->cache->makeKey( 'punctuation_marks_are_ok', '!@$^&*()' ),
'test:punctuation_marks_are_ok:!@$^&*()'
);
$this->assertEquals(
$this->cache->makeKey( 'percent_is_escaped', '!@$%^&*()' ),
'test:percent_is_escaped:!@$%25^&*()'
);
$this->assertEquals(
$this->cache->makeKey( 'but spaces', 'hashes#', "and\nnewlines", 'are_not' ),
'test:but_spaces:hashes%23:and%0Anewlines:are_not'
);
$this->assertEquals(
$this->cache->makeKey( 'this', 'key', 'contains', '𝕞𝕦𝕝𝕥𝕚𝕓𝕪𝕥𝕖', 'characters' ),
'test:this:key:contains:%F0%9D%95%9E%F0%9D%95%A6%F0%9D%95%9D%F0%9D%95%A5%F0%9' .
'D%95%9A%F0%9D%95%93%F0%9D%95%AA%F0%9D%95%A5%F0%9D%95%96:characters'
);
$this->assertEquals(
$this->cache->makeKey( 'this', 'key', 'contains', '𝕥𝕠𝕠 𝕞𝕒𝕟𝕪 𝕞𝕦𝕝𝕥𝕚𝕓𝕪𝕥𝕖 𝕔𝕙𝕒𝕣𝕒𝕔𝕥𝕖𝕣𝕤' ),
'test:this:key:contains:#c118f92685a635cb843039de50014c9c'
);
$this->assertEquals(
$this->cache->makeKey( '𝕖𝕧𝕖𝕟', '𝕚𝕗', '𝕨𝕖', '𝕄𝔻𝟝', '𝕖𝕒𝕔𝕙',
'𝕒𝕣𝕘𝕦𝕞𝕖𝕟𝕥', '𝕥𝕙𝕚𝕤', '𝕜𝕖𝕪', '𝕨𝕠𝕦𝕝𝕕', '𝕤𝕥𝕚𝕝𝕝', '𝕓𝕖', '𝕥𝕠𝕠', '𝕝𝕠𝕟𝕘' ),
'test:##5820ad1d105aa4dc698585c39df73e19'
);
$this->assertEquals(
$this->cache->makeKey( '##5820ad1d105aa4dc698585c39df73e19' ),
'test:%23%235820ad1d105aa4dc698585c39df73e19'
);
}
}