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<?php
/**
* The StringMatcher class is responsible for making sure message keys
* from external sources are valid titles in MediaWiki.
* @author Niklas Laxström
* @file
*/
class StringMatcherTest extends MediaWikiTestCase {
/**
* @dataProvider messageKeyProvider
*/
public function testKeyPrefixing( $key, $expected, $prefix, $rules, $comment ) {
$matcher = new StringMatcher( $prefix, $rules );
$mangled = $matcher->mangle( $key );
$title = Title::makeTitleSafe( NS_MEDIAWIKI, $mangled );
$this->assertInstanceOf( 'Title', $title, "Key '$mangled' did not produce valid title" );
$unmangled = $matcher->unmangle( $mangled );
$this->assertEquals( $key, $unmangled, 'Mangling is reversable' );
$this->assertEquals( $expected, $mangled, 'Message is prefixed correctly' );
}
public function messageKeyProvider() {
// The fourth parameter causes the key to be prefixed or unprefixed
$keys = [
[ 'key', 'p-key', 'p-', [ 'key' ], 'Exact match' ],
[ 'key', 'key', 'p-', [ 'bar' ], 'Exact not match' ],
[ 'key', 'p-key', 'p-', [ 'k*' ], 'Prefix match' ],
[ 'key', 'key', 'p-', [ 'b*' ], 'Prefix not match' ],
[ 'key', 'p-key', 'p-', [ '*y' ], 'Suffix match' ],
[ 'key', 'key', 'p-', [ '*r' ], 'Suffix not match' ],
[ 'key', 'p-key', 'p-', [ 'k*y' ], 'Wildcard match' ],
[ 'key', 'key', 'p-', [ '*a*' ], 'Wildcard not match' ],
[ 'key', 'p-key', 'p-', [ 'key', '*ey', 'ke*' ], 'Multiple rules match' ],
[ 'key', 'key', 'p-', [ '*a*', '*ar', 'ba*' ], 'Multiple rules not match' ],
[ 'key', 'p-key', 'p-', [ '*' ], 'All match' ],
[
'[k.ssa]', 'p-=5Bk.ssa=5D', 'p-', [ '[k.s*' ],
'Message key with special chars'
],
[
'[kissa]', '=5Bkissa=5D', 'p-', [ '[k.s*' ],
'Message key with special chars'
],
[ 'keyblah/i', 'p-keyblah/i', 'p-', [ 'key*/i' ], 'Slash in pattern does not trigger modifier' ],
];
return $keys;
}
/**
* @dataProvider problematicMessageKeyProvider
*/
public function testKeyMangling( $key, $comment ) {
$matcher = StringMatcher::EmptyMatcher();
$mangled = $matcher->mangle( $key );
$title = Title::makeTitleSafe( NS_MEDIAWIKI, $mangled );
$this->assertInstanceOf( 'Title', $title, "Key '$mangled' did not produce a valid title" );
$unmangled = $matcher->unmangle( $mangled );
$this->assertEquals( $key, $unmangled, 'Mangling is reversible' );
}
/**
* @dataProvider problematicMessageKeyProvider
*/
public function testKeyManglingWithPrefixing( $key, $comment ) {
$matcher = new StringMatcher( 'prefix', [ '*' ] );
$mangled = $matcher->mangle( $key );
$title = Title::makeTitleSafe( NS_MEDIAWIKI, $mangled );
$this->assertInstanceOf( 'Title', $title, "Key '$mangled' did not produce a valid title" );
$unmangled = $matcher->unmangle( $mangled );
$this->assertEquals( $key, $unmangled, 'Mangling is reversible' );
}
public function problematicMessageKeyProvider() {
$keys = [
[ 'key', 'simple string' ],
[ 'key[]', 'string with brackets' ],
[ 'key%AB', 'string with invalid url encoding' ],
[ 'key&', 'string with html entity' ],
[ 'key=2A', 'string with fake escaping' ],
[ 'общегосударственные', 'Unicode string' ],
[ ' la la land_', 'string starting or ending with spaces or underscores' ],
[ 'one two__three _four', 'multiple spaces consisting of spaces or underscores' ],
[ 'Signed by ~~~', 'Magic tilde expansion' ],
[ ':iam', 'string starting with a colon' ],
];
// Add tests for ranges of exotic ASCII characters
foreach ( range( 0, 7 ) as $k ) {
$key = '';
foreach ( range( 0, 15 ) as $c ) {
$key .= chr( $c + 16 * $k );
}
$start = $k * 16;
$end = $start + 16;
$keys[] = [ $key, "ASCII range $start..$end" ];
}
return $keys;
}
}
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