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[autoinstallsdev/mediawiki.git] / maintenance / tests / testHelpers.inc
diff --git a/maintenance/tests/testHelpers.inc b/maintenance/tests/testHelpers.inc
new file mode 100644 (file)
index 0000000..94ca6ab
--- /dev/null
@@ -0,0 +1,652 @@
+<?php
+
+/**
+ * @ingroup Maintenance
+ *
+ * Set of classes to help with test output and such. Right now pretty specific
+ * to the parser tests but could be more useful one day :)
+ *
+ * @todo Fixme: Make this more generic
+ */
+
+class AnsiTermColorer {
+       function __construct() {
+       }
+
+       /**
+        * Return ANSI terminal escape code for changing text attribs/color
+        *
+        * @param $color String: semicolon-separated list of attribute/color codes
+        * @return String
+        */
+       public function color( $color ) {
+               global $wgCommandLineDarkBg;
+
+               $light = $wgCommandLineDarkBg ? "1;" : "0;";
+
+               return "\x1b[{$light}{$color}m";
+       }
+
+       /**
+        * Return ANSI terminal escape code for restoring default text attributes
+        *
+        * @return String
+        */
+       public function reset() {
+               return $this->color( 0 );
+       }
+}
+
+/* A colour-less terminal */
+class DummyTermColorer {
+       public function color( $color ) {
+               return '';
+       }
+
+       public function reset() {
+               return '';
+       }
+}
+
+class TestRecorder {
+       var $parent;
+       var $term;
+
+       function __construct( $parent ) {
+               $this->parent = $parent;
+               $this->term = $parent->term;
+       }
+
+       function start() {
+               $this->total = 0;
+               $this->success = 0;
+       }
+
+       function record( $test, $result ) {
+               $this->total++;
+               $this->success += ( $result ? 1 : 0 );
+       }
+
+       function end() {
+               // dummy
+       }
+
+       function report() {
+               if ( $this->total > 0 ) {
+                       $this->reportPercentage( $this->success, $this->total );
+               } else {
+                       wfDie( "No tests found.\n" );
+               }
+       }
+
+       function reportPercentage( $success, $total ) {
+               $ratio = wfPercent( 100 * $success / $total );
+               print $this->term->color( 1 ) . "Passed $success of $total tests ($ratio)... ";
+
+               if ( $success == $total ) {
+                       print $this->term->color( 32 ) . "ALL TESTS PASSED!";
+               } else {
+                       $failed = $total - $success ;
+                       print $this->term->color( 31 ) . "$failed tests failed!";
+               }
+
+               print $this->term->reset() . "\n";
+
+               return ( $success == $total );
+       }
+}
+
+class DbTestPreviewer extends TestRecorder  {
+       protected $lb;      // /< Database load balancer
+       protected $db;      // /< Database connection to the main DB
+       protected $curRun;  // /< run ID number for the current run
+       protected $prevRun; // /< run ID number for the previous run, if any
+       protected $results; // /< Result array
+
+       /**
+        * This should be called before the table prefix is changed
+        */
+       function __construct( $parent ) {
+               parent::__construct( $parent );
+
+               $this->lb = wfGetLBFactory()->newMainLB();
+               // This connection will have the wiki's table prefix, not parsertest_
+               $this->db = $this->lb->getConnection( DB_MASTER );
+       }
+
+       /**
+        * Set up result recording; insert a record for the run with the date
+        * and all that fun stuff
+        */
+       function start() {
+               parent::start();
+
+               if ( ! $this->db->tableExists( 'testrun' )
+                       or ! $this->db->tableExists( 'testitem' ) )
+               {
+                       print "WARNING> `testrun` table not found in database.\n";
+                       $this->prevRun = false;
+               } else {
+                       // We'll make comparisons against the previous run later...
+                       $this->prevRun = $this->db->selectField( 'testrun', 'MAX(tr_id)' );
+               }
+
+               $this->results = array();
+       }
+
+       function record( $test, $result ) {
+               parent::record( $test, $result );
+               $this->results[$test] = $result;
+       }
+
+       function report() {
+               if ( $this->prevRun ) {
+                       // f = fail, p = pass, n = nonexistent
+                       // codes show before then after
+                       $table = array(
+                               'fp' => 'previously failing test(s) now PASSING! :)',
+                               'pn' => 'previously PASSING test(s) removed o_O',
+                               'np' => 'new PASSING test(s) :)',
+
+                               'pf' => 'previously passing test(s) now FAILING! :(',
+                               'fn' => 'previously FAILING test(s) removed O_o',
+                               'nf' => 'new FAILING test(s) :(',
+                               'ff' => 'still FAILING test(s) :(',
+                       );
+
+                       $prevResults = array();
+
+                       $res = $this->db->select( 'testitem', array( 'ti_name', 'ti_success' ),
+                               array( 'ti_run' => $this->prevRun ), __METHOD__ );
+
+                       foreach ( $res as $row ) {
+                               if ( !$this->parent->regex
+                                       || preg_match( "/{$this->parent->regex}/i", $row->ti_name ) )
+                               {
+                                       $prevResults[$row->ti_name] = $row->ti_success;
+                               }
+                       }
+
+                       $combined = array_keys( $this->results + $prevResults );
+
+                       # Determine breakdown by change type
+                       $breakdown = array();
+                       foreach ( $combined as $test ) {
+                               if ( !isset( $prevResults[$test] ) ) {
+                                       $before = 'n';
+                               } elseif ( $prevResults[$test] == 1 ) {
+                                       $before = 'p';
+                               } else /* if ( $prevResults[$test] == 0 )*/ {
+                                       $before = 'f';
+                               }
+
+                               if ( !isset( $this->results[$test] ) ) {
+                                       $after = 'n';
+                               } elseif ( $this->results[$test] == 1 ) {
+                                       $after = 'p';
+                               } else /*if ( $this->results[$test] == 0 ) */ {
+                                       $after = 'f';
+                               }
+
+                               $code = $before . $after;
+
+                               if ( isset( $table[$code] ) ) {
+                                       $breakdown[$code][$test] = $this->getTestStatusInfo( $test, $after );
+                               }
+                       }
+
+                       # Write out results
+                       foreach ( $table as $code => $label ) {
+                               if ( !empty( $breakdown[$code] ) ) {
+                                       $count = count( $breakdown[$code] );
+                                       printf( "\n%4d %s\n", $count, $label );
+
+                                       foreach ( $breakdown[$code] as $differing_test_name => $statusInfo ) {
+                                               print "      * $differing_test_name  [$statusInfo]\n";
+                                       }
+                               }
+                       }
+               } else {
+                       print "No previous test runs to compare against.\n";
+               }
+
+               print "\n";
+               parent::report();
+       }
+
+       /**
+        * Returns a string giving information about when a test last had a status change.
+        * Could help to track down when regressions were introduced, as distinct from tests
+        * which have never passed (which are more change requests than regressions).
+        */
+       private function getTestStatusInfo( $testname, $after ) {
+               // If we're looking at a test that has just been removed, then say when it first appeared.
+               if ( $after == 'n' ) {
+                       $changedRun = $this->db->selectField ( 'testitem',
+                               'MIN(ti_run)',
+                               array( 'ti_name' => $testname ),
+                               __METHOD__ );
+                       $appear = $this->db->selectRow ( 'testrun',
+                               array( 'tr_date', 'tr_mw_version' ),
+                               array( 'tr_id' => $changedRun ),
+                               __METHOD__ );
+
+                       return "First recorded appearance: "
+                                  . date( "d-M-Y H:i:s",  strtotime ( $appear->tr_date ) )
+                                  .  ", " . $appear->tr_mw_version;
+               }
+
+               // Otherwise, this test has previous recorded results.
+               // See when this test last had a different result to what we're seeing now.
+               $conds = array(
+                       'ti_name'    => $testname,
+                       'ti_success' => ( $after == 'f' ? "1" : "0" ) );
+
+               if ( $this->curRun ) {
+                       $conds[] = "ti_run != " . $this->db->addQuotes ( $this->curRun );
+               }
+
+               $changedRun = $this->db->selectField ( 'testitem', 'MAX(ti_run)', $conds, __METHOD__ );
+
+               // If no record of ever having had a different result.
+               if ( is_null ( $changedRun ) ) {
+                       if ( $after == "f" ) {
+                               return "Has never passed";
+                       } else {
+                               return "Has never failed";
+                       }
+               }
+
+               // Otherwise, we're looking at a test whose status has changed.
+               // (i.e. it used to work, but now doesn't; or used to fail, but is now fixed.)
+               // In this situation, give as much info as we can as to when it changed status.
+               $pre  = $this->db->selectRow ( 'testrun',
+                       array( 'tr_date', 'tr_mw_version' ),
+                       array( 'tr_id' => $changedRun ),
+                       __METHOD__ );
+               $post = $this->db->selectRow ( 'testrun',
+                       array( 'tr_date', 'tr_mw_version' ),
+                       array( "tr_id > " . $this->db->addQuotes ( $changedRun ) ),
+                       __METHOD__,
+                       array( "LIMIT" => 1, "ORDER BY" => 'tr_id' )
+               );
+
+               if ( $post ) {
+                       $postDate = date( "d-M-Y H:i:s",  strtotime ( $post->tr_date  ) ) . ", {$post->tr_mw_version}";
+               } else {
+                       $postDate = 'now';
+               }
+
+               return ( $after == "f" ? "Introduced" : "Fixed" ) . " between "
+                               . date( "d-M-Y H:i:s",  strtotime ( $pre->tr_date ) ) .  ", " . $pre->tr_mw_version
+                               . " and $postDate";
+
+       }
+
+       /**
+        * Commit transaction and clean up for result recording
+        */
+       function end() {
+               $this->lb->commitMasterChanges();
+               $this->lb->closeAll();
+               parent::end();
+       }
+
+}
+
+class DbTestRecorder extends DbTestPreviewer  {
+       var $version;
+
+       /**
+        * Set up result recording; insert a record for the run with the date
+        * and all that fun stuff
+        */
+       function start() {
+               global $wgDBtype;
+               $this->db->begin();
+
+               if ( ! $this->db->tableExists( 'testrun' )
+                       or ! $this->db->tableExists( 'testitem' ) )
+               {
+                       print "WARNING> `testrun` table not found in database. Trying to create table.\n";
+                       $this->db->sourceFile( $this->db->patchPath( 'patch-testrun.sql' ) );
+                       echo "OK, resuming.\n";
+               }
+
+               parent::start();
+
+               $this->db->insert( 'testrun',
+                       array(
+                               'tr_date'        => $this->db->timestamp(),
+                               'tr_mw_version'  => $this->version,
+                               'tr_php_version' => phpversion(),
+                               'tr_db_version'  => $this->db->getServerVersion(),
+                               'tr_uname'       => php_uname()
+                       ),
+                       __METHOD__ );
+                       if ( $wgDBtype === 'postgres' ) {
+                               $this->curRun = $this->db->currentSequenceValue( 'testrun_id_seq' );
+                       } else {
+                               $this->curRun = $this->db->insertId();
+                       }
+       }
+
+       /**
+        * Record an individual test item's success or failure to the db
+        *
+        * @param $test String
+        * @param $result Boolean
+        */
+       function record( $test, $result ) {
+               parent::record( $test, $result );
+
+               $this->db->insert( 'testitem',
+                       array(
+                               'ti_run'     => $this->curRun,
+                               'ti_name'    => $test,
+                               'ti_success' => $result ? 1 : 0,
+                       ),
+                       __METHOD__ );
+       }
+}
+
+class RemoteTestRecorder extends TestRecorder {
+       function start() {
+               parent::start();
+
+               $this->results = array();
+               $this->ping( 'running' );
+       }
+
+       function record( $test, $result ) {
+               parent::record( $test, $result );
+               $this->results[$test] = (bool)$result;
+       }
+
+       function end() {
+               $this->ping( 'complete', $this->results );
+               parent::end();
+       }
+
+       /**
+        * Inform a CodeReview instance that we've started or completed a test run...
+        *
+        * @param $status string: "running" - tell it we've started
+        *                        "complete" - provide test results array
+        *                        "abort" - something went horribly awry
+        * @param $results array of test name => true/false
+        */
+       function ping( $status, $results = false ) {
+               global $wgParserTestRemote, $IP;
+
+               $remote = $wgParserTestRemote;
+               $revId = SpecialVersion::getSvnRevision( $IP );
+               $jsonResults = FormatJson::encode( $results );
+
+               if ( !$remote ) {
+                       print "Can't do remote upload without configuring \$wgParserTestRemote!\n";
+                       exit( 1 );
+               }
+
+               // Generate a hash MAC to validate our credentials
+               $message = array(
+                       $remote['repo'],
+                       $remote['suite'],
+                       $revId,
+                       $status,
+               );
+
+               if ( $status == "complete" ) {
+                       $message[] = $jsonResults;
+               }
+               $hmac = hash_hmac( "sha1", implode( "|", $message ), $remote['secret'] );
+
+               $postData = array(
+                       'action' => 'codetestupload',
+                       'format' => 'json',
+                       'repo'   => $remote['repo'],
+                       'suite'  => $remote['suite'],
+                       'rev'    => $revId,
+                       'status' => $status,
+                       'hmac'   => $hmac,
+               );
+
+               if ( $status == "complete" ) {
+                       $postData['results'] = $jsonResults;
+               }
+
+               $response = $this->post( $remote['api-url'], $postData );
+
+               if ( $response === false ) {
+                       print "CodeReview info upload failed to reach server.\n";
+                       exit( 1 );
+               }
+
+               $responseData = FormatJson::decode( $response, true );
+
+               if ( !is_array( $responseData ) ) {
+                       print "CodeReview API response not recognized...\n";
+                       wfDebug( "Unrecognized CodeReview API response: $response\n" );
+                       exit( 1 );
+               }
+
+               if ( isset( $responseData['error'] ) ) {
+                       $code = $responseData['error']['code'];
+                       $info = $responseData['error']['info'];
+                       print "CodeReview info upload failed: $code $info\n";
+                       exit( 1 );
+               }
+       }
+
+       function post( $url, $data ) {
+               return Http::post( $url, array( 'postData' => $data ) );
+       }
+}
+
+class TestFileIterator implements Iterator {
+       private $file;
+       private $fh;
+       private $parserTest; /* An instance of ParserTest (parserTests.php) or MediaWikiParserTest (phpunit) */
+       private $index = 0;
+       private $test;
+       private $lineNum;
+       private $eof;
+
+       function __construct( $file, $parserTest = null ) {
+               global $IP;
+
+               $this->file = $file;
+               $this->fh = fopen( $this->file, "rt" );
+
+               if ( !$this->fh ) {
+                       wfDie( "Couldn't open file '$file'\n" );
+               }
+
+               $this->parserTest = $parserTest;
+
+               if ( $this->parserTest ) {
+                       $this->parserTest->showRunFile( wfRelativePath( $this->file, $IP ) );
+               }
+
+               $this->lineNum = $this->index = 0;
+       }
+
+       function rewind() {
+               if ( fseek( $this->fh, 0 ) ) {
+                       wfDie( "Couldn't fseek to the start of '$this->file'\n" );
+               }
+
+               $this->index = -1;
+               $this->lineNum = 0;
+               $this->eof = false;
+               $this->next();
+
+               return true;
+       }
+
+       function current() {
+               return $this->test;
+       }
+
+       function key() {
+               return $this->index;
+       }
+
+       function next() {
+               if ( $this->readNextTest() ) {
+                       $this->index++;
+                       return true;
+               } else {
+                       $this->eof = true;
+               }
+       }
+
+       function valid() {
+               return $this->eof != true;
+       }
+
+       function readNextTest() {
+               $data = array();
+               $section = null;
+
+               while ( false !== ( $line = fgets( $this->fh ) ) ) {
+                       $this->lineNum++;
+                       $matches = array();
+
+                       if ( preg_match( '/^!!\s*(\w+)/', $line, $matches ) ) {
+                               $section = strtolower( $matches[1] );
+
+                               if ( $section == 'endarticle' ) {
+                                       if ( !isset( $data['text'] ) ) {
+                                               wfDie( "'endarticle' without 'text' at line {$this->lineNum} of $this->file\n" );
+                                       }
+
+                                       if ( !isset( $data['article'] ) ) {
+                                               wfDie( "'endarticle' without 'article' at line {$this->lineNum} of $this->file\n" );
+                                       }
+
+                                       if ( $this->parserTest ) {
+                                               $this->parserTest->addArticle( ParserTest::chomp( $data['article'] ), $data['text'], $this->lineNum );
+                                       } else {wfDie("JAJA");
+                                               ParserTest::addArticle( $data['article'], $data['text'], $this->lineNum );
+                                       }
+                                       $data = array();
+                                       $section = null;
+
+                                       continue;
+                               }
+
+                               if ( $section == 'endhooks' ) {
+                                       if ( !isset( $data['hooks'] ) ) {
+                                               wfDie( "'endhooks' without 'hooks' at line {$this->lineNum} of $this->file\n" );
+                                       }
+
+                                       foreach ( explode( "\n", $data['hooks'] ) as $line ) {
+                                               $line = trim( $line );
+
+                                               if ( $line ) {
+                                                       if ( $this->parserTest && !$this->parserTest->requireHook( $line ) ) {
+                                                               return false;
+                                                       }
+                                               }
+                                       }
+
+                                       $data = array();
+                                       $section = null;
+
+                                       continue;
+                               }
+
+                               if ( $section == 'endfunctionhooks' ) {
+                                       if ( !isset( $data['functionhooks'] ) ) {
+                                               wfDie( "'endfunctionhooks' without 'functionhooks' at line {$this->lineNum} of $this->file\n" );
+                                       }
+
+                                       foreach ( explode( "\n", $data['functionhooks'] ) as $line ) {
+                                               $line = trim( $line );
+
+                                               if ( $line ) {
+                                                       if ( $this->parserTest && !$this->parserTest->requireFunctionHook( $line ) ) {
+                                                               return false;
+                                                       }
+                                               }
+                                       }
+
+                                       $data = array();
+                                       $section = null;
+
+                                       continue;
+                               }
+
+                               if ( $section == 'end' ) {
+                                       if ( !isset( $data['test'] ) ) {
+                                               wfDie( "'end' without 'test' at line {$this->lineNum} of $this->file\n" );
+                                       }
+
+                                       if ( !isset( $data['input'] ) ) {
+                                               wfDie( "'end' without 'input' at line {$this->lineNum} of $this->file\n" );
+                                       }
+
+                                       if ( !isset( $data['result'] ) ) {
+                                               wfDie( "'end' without 'result' at line {$this->lineNum} of $this->file\n" );
+                                       }
+
+                                       if ( !isset( $data['options'] ) ) {
+                                               $data['options'] = '';
+                                       }
+
+                                       if ( !isset( $data['config'] ) )
+                                               $data['config'] = '';
+
+                                       if ( $this->parserTest
+                                                && ( ( preg_match( '/\\bdisabled\\b/i', $data['options'] ) && !$this->parserTest->runDisabled )
+                                                        || !preg_match( "/" . $this->parserTest->regex . "/i", $data['test'] ) )  ) {
+                                               # disabled test
+                                               $data = array();
+                                               $section = null;
+
+                                               continue;
+                                       }
+
+                                       global $wgUseTeX;
+
+                                       if ( $this->parserTest &&
+                                                preg_match( '/\\bmath\\b/i', $data['options'] ) && !$wgUseTeX ) {
+                                               # don't run math tests if $wgUseTeX is set to false in LocalSettings
+                                               $data = array();
+                                               $section = null;
+
+                                               continue;
+                                       }
+
+                                       if ( $this->parserTest ) {
+                                               $this->test = array(
+                                                       'test' => ParserTest::chomp( $data['test'] ),
+                                                       'input' => ParserTest::chomp( $data['input'] ),
+                                                       'result' => ParserTest::chomp( $data['result'] ),
+                                                       'options' => ParserTest::chomp( $data['options'] ),
+                                                       'config' => ParserTest::chomp( $data['config'] ) );
+                                       } else {
+                                               $this->test['test'] = $data['test'];
+                                       }
+
+                                       return true;
+                               }
+
+                               if ( isset ( $data[$section] ) ) {
+                                       wfDie( "duplicate section '$section' at line {$this->lineNum} of $this->file\n" );
+                               }
+
+                               $data[$section] = '';
+
+                               continue;
+                       }
+
+                       if ( $section ) {
+                               $data[$section] .= $line;
+                       }
+               }
+
+               return false;
+       }
+}