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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 = array(
array( 'key', 'p-key', 'p-', array( 'key' ), 'Exact match' ),
array( 'key', 'key', 'p-', array( 'bar' ), 'Exact not match' ),
array( 'key', 'p-key', 'p-', array( 'k*' ), 'Prefix match' ),
array( 'key', 'key', 'p-', array( 'b*' ), 'Prefix not match' ),
array( 'key', 'p-key', 'p-', array( '*y' ), 'Suffix match' ),
array( 'key', 'key', 'p-', array( '*r' ), 'Suffix not match' ),
array( 'key', 'p-key', 'p-', array( 'k*y' ), 'Wildcard match' ),
array( 'key', 'key', 'p-', array( '*a*' ), 'Wildcard not match' ),
array( 'key', 'p-key', 'p-', array( 'key', '*ey', 'ke*' ), 'Multiple rules match' ),
array( 'key', 'key', 'p-', array( '*a*', '*ar', 'ba*' ), 'Multiple rules not match' ),
array( 'key', 'p-key', 'p-', array( '*' ), 'All match' ),
array(
'[k.ssa]', 'p-=5Bk.ssa=5D', 'p-', array( '[k.s*' ),
'Message key with special chars'
),
array(
'[kissa]', '=5Bkissa=5D', 'p-', array( '[k.s*' ),
'Message key with special chars'
),
);
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', array( '*' ) );
$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 = array(
array( 'key', 'simple string' ),
array( 'key[]', 'string with brackets' ),
array( 'key%AB', 'string with invalid url encoding' ),
array( 'key&', 'string with html entity' ),
array( 'key=2A', 'string with fake escaping' ),
array( 'abcdefgh', 'string with fake escaping' ),
array( 'общегосударственные', 'Unicode string' ),
);
// 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[] = array( $key, "ASCII range $start..$end" );
}
return $keys;
}
}
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