MediaWiki REL1_39
preprocessorFuzzTest.php
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1<?php
25
26use Wikimedia\TestingAccessWrapper;
27
28$optionsWithoutArgs = [ 'verbose' ];
29require_once __DIR__ . '/CommandLineInc.php';
30
32 public $hairs = [
33 '[[', ']]', '{{', '{{', '}}', '}}', '{{{', '}}}',
34 '<', '>', '<nowiki', '<gallery', '</nowiki>', '</gallery>', '<nOwIkI>', '</NoWiKi>',
35 '<!--', '-->',
36 "\n==", "==\n",
37 '|', '=', "\n", ' ', "\t", "\x7f",
38 '~~', '~~~', '~~~~', 'subst:',
39 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
40 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
41
42 // extensions
43 // '<ref>', '</ref>', '<references/>',
44 ];
45 public $minLength = 0;
46 public $maxLength = 20;
47 public $maxTemplates = 5;
48 // public $outputTypes = [ 'OT_HTML', 'OT_WIKI', 'OT_PREPROCESS' ];
49 public $entryPoints = [ 'fuzzTestSrvus', 'fuzzTestPst', 'fuzzTestPreprocess' ];
50 public $verbose = false;
51
55 private static $currentTest = false;
56
60 public function execute() {
61 if ( !file_exists( 'results' ) ) {
62 mkdir( 'results' );
63 }
64 if ( !is_dir( 'results' ) ) {
65 echo "Unable to create 'results' directory\n";
66 exit( 1 );
67 }
68 $overallStart = microtime( true );
69 $reportInterval = 1000;
70 // @phan-suppress-next-line PhanInfiniteLoop
71 for ( $i = 1; true; $i++ ) {
72 $t = -microtime( true );
73 try {
74 self::$currentTest = new PPFuzzTest( $this );
75 self::$currentTest->execute();
76 $passed = 'passed';
77 } catch ( Exception $e ) {
78 $testReport = self::$currentTest->getReport();
79 $exceptionReport = $e instanceof MWException ? $e->getText() : (string)$e;
80 $hash = md5( $testReport );
81 file_put_contents( "results/ppft-$hash.in", serialize( self::$currentTest ) );
82 file_put_contents( "results/ppft-$hash.fail",
83 "Input:\n$testReport\n\nException report:\n$exceptionReport\n" );
84 print "Test $hash failed\n";
85 $passed = 'failed';
86 }
87 $t += microtime( true );
88
89 if ( $this->verbose ) {
90 printf( "Test $passed in %.3f seconds\n", $t );
91 print self::$currentTest->getReport();
92 }
93
94 $reportMetric = ( microtime( true ) - $overallStart ) / $i * $reportInterval;
95 if ( $reportMetric > 25 ) {
96 if ( substr( (string)$reportInterval, 0, 1 ) === '1' ) {
97 $reportInterval /= 2;
98 } else {
99 $reportInterval /= 5;
100 }
101 } elseif ( $reportMetric < 4 ) {
102 if ( substr( (string)$reportInterval, 0, 1 ) === '1' ) {
103 $reportInterval *= 5;
104 } else {
105 $reportInterval *= 2;
106 }
107 }
108 if ( $i % $reportInterval == 0 ) {
109 print "$i tests done\n";
110 /*
111 $testReport = self::$currentTest->getReport();
112 $filename = 'results/ppft-' . md5( $testReport ) . '.pass';
113 file_put_contents( $filename, "Input:\n$testReport\n" );*/
114 }
115 }
116 }
117
118 public function makeInputText( $max = false ) {
119 if ( $max === false ) {
120 $max = $this->maxLength;
121 }
122 $length = mt_rand( $this->minLength, $max );
123 $s = '';
124 for ( $i = 0; $i < $length; $i++ ) {
125 $hairIndex = mt_rand( 0, count( $this->hairs ) - 1 );
126 $s .= $this->hairs[$hairIndex];
127 }
128 // Send through the UTF-8 normaliser
129 // This resolves a few differences between the old preprocessor and the
130 // XML-based one, which doesn't like illegals and converts line endings.
131 // It's done by the MW UI, so it's a reasonably legitimate thing to do.
132 $s = MediaWikiServices::getInstance()->getContentLanguage()->normalize( $s );
133
134 return $s;
135 }
136
137 public function makeTitle() {
138 return Title::newFromText( mt_rand( 0, 1000000 ), mt_rand( 0, 10 ) );
139 }
140
141 /*
142 public function pickOutputType() {
143 $count = count( $this->outputTypes );
144 return $this->outputTypes[ mt_rand( 0, $count - 1 ) ];
145 }*/
146
147 public function pickEntryPoint() {
148 $count = count( $this->entryPoints );
149
150 return $this->entryPoints[mt_rand( 0, $count - 1 )];
151 }
152}
153
161
163 private $parent;
165 public $nickname;
167 public $fancySig;
168
172 public function __construct( $tester ) {
173 global $wgMaxSigChars;
174 $this->parent = $tester;
175 $this->mainText = $tester->makeInputText();
176 $this->title = $tester->makeTitle();
177 // $this->outputType = $tester->pickOutputType();
178 $this->entryPoint = $tester->pickEntryPoint();
179 $this->nickname = $tester->makeInputText( $wgMaxSigChars + 10 );
180 $this->fancySig = (bool)mt_rand( 0, 1 );
181 $this->templates = [];
182 }
183
188 public function templateHook( $title ) {
189 $titleText = $title->getPrefixedDBkey();
190
191 if ( !isset( $this->templates[$titleText] ) ) {
192 $finalTitle = $title;
193 if ( count( $this->templates ) >= $this->parent->maxTemplates ) {
194 // Too many templates
195 $text = false;
196 } else {
197 if ( !mt_rand( 0, 1 ) ) {
198 // Redirect
199 $finalTitle = $this->parent->makeTitle();
200 }
201 if ( !mt_rand( 0, 5 ) ) {
202 // Doesn't exist
203 $text = false;
204 } else {
205 $text = $this->parent->makeInputText();
206 }
207 }
208 $this->templates[$titleText] = [
209 'text' => $text,
210 'finalTitle' => $finalTitle ];
211 }
212
213 return $this->templates[$titleText];
214 }
215
216 public function execute() {
217 $user = new PPFuzzUser;
218 $user->mName = 'Fuzz';
219 $user->mFrom = 'name';
220 $user->ppfz_test = $this;
221
223
224 $options = ParserOptions::newFromUser( $user );
225 $options->setTemplateCallback( [ $this, 'templateHook' ] );
226 $options->setTimestamp( wfTimestampNow() );
227 $this->output = call_user_func(
228 [ TestingAccessWrapper::newFromObject(
229 MediaWikiServices::getInstance()->getParser()
230 ), $this->entryPoint ],
231 $this->mainText,
232 $this->title,
233 $options
234 );
235
236 return $this->output;
237 }
238
239 public function getReport() {
240 $s = "Title: " . $this->title->getPrefixedDBkey() . "\n" .
241 // "Output type: {$this->outputType}\n" .
242 "Entry point: {$this->entryPoint}\n" .
243 "User: " . ( $this->fancySig ? 'fancy' : 'no-fancy' ) .
244 ' ' . var_export( $this->nickname, true ) . "\n" .
245 "Main text: " . var_export( $this->mainText, true ) . "\n";
246 foreach ( $this->templates as $titleText => $template ) {
247 $finalTitle = $template['finalTitle'];
248 if ( $finalTitle != $titleText ) {
249 $s .= "[[$titleText]] -> [[$finalTitle]]: " . var_export( $template['text'], true ) . "\n";
250 } else {
251 $s .= "[[$titleText]]: " . var_export( $template['text'], true ) . "\n";
252 }
253 }
254 $s .= "Output: " . var_export( $this->output, true ) . "\n";
255
256 return $s;
257 }
258}
259
260class PPFuzzUser extends User {
262
263 public function load( $flags = null ) {
264 if ( $this->mDataLoaded ) {
265 return;
266 }
267 $this->mDataLoaded = true;
268 $this->loadDefaults( $this->mName );
269 }
270
271 public function getOption( $oname, $defaultOverride = null, $ignoreHidden = false ) {
272 if ( $oname === 'fancysig' ) {
273 return $this->ppfz_test->fancySig;
274 } elseif ( $oname === 'nickname' ) {
275 return $this->ppfz_test->nickname;
276 } else {
277 return parent::getOption( $oname, $defaultOverride, $ignoreHidden );
278 }
279 }
280}
281
282ini_set( 'memory_limit', '50M' );
283if ( isset( $args[0] ) ) {
284 $testText = file_get_contents( $args[0] );
285 if ( !$testText ) {
286 print "File not found\n";
287 exit( 1 );
288 }
289 $test = unserialize( $testText );
290 $result = $test->execute();
291 print "Test passed.\n";
292} else {
293 $tester = new PPFuzzTester;
294 $tester->verbose = isset( $options['verbose'] );
295 $tester->execute();
296}
serialize()
unserialize( $serialized)
wfTimestampNow()
Convenience function; returns MediaWiki timestamp for the present time.
MediaWiki exception.
getText()
Format plain text message for the current exception object.
Service locator for MediaWiki core services.
makeInputText( $max=false)
load( $flags=null)
Load the user table data for this object from the source given by mFrom.
getOption( $oname, $defaultOverride=null, $ignoreHidden=false)
Get the user's current setting for a given option.
static setUser( $user)
Reset the stub global user to a different "real" user object, while ensuring that any method calls on...
internal since 1.36
Definition User.php:70
loadDefaults( $name=false, $actorId=null)
Set cached properties to default.
Definition User.php:1055
$wgMaxSigChars
Config variable stub for the MaxSigChars setting, for use by phpdoc and IDEs.
while(( $__line=Maintenance::readconsole()) !==false) print
Definition eval.php:69
if( $line===false) $args
Definition mcc.php:124
foreach( $mmfl['setupFiles'] as $fileName) if($queue) if(empty( $mmfl['quiet'])) $s
$tester verbose