wiki.techinc.nl/tests/testHelpers.inc
Sam Reed 2e8cd32808 Add NewParserTest to TestsAutoLoader.php
Fix undefined variable in testHelpers.inc
2012-02-16 02:44:31 +00:00

582 lines
15 KiB
PHP

<?php
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 {
throw new MWException( "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', __METHOD__ )
|| ! $this->db->tableExists( 'testitem', __METHOD__ ) )
{
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() {
$this->db->begin();
if ( ! $this->db->tableExists( 'testrun' )
|| ! $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 ( $this->db->getType() === '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 TestFileIterator implements Iterator {
private $file;
private $fh;
private $parserTest; /* An instance of ParserTest (parserTests.php) or MediaWikiParserTest (phpunit) */
private $index = 0;
private $test;
private $section = null; /** String|null: current test section being analyzed */
private $sectionData = array();
private $lineNum;
private $eof;
function __construct( $file, $parserTest ) {
$this->file = $file;
$this->fh = fopen( $this->file, "rt" );
if ( !$this->fh ) {
throw new MWException( "Couldn't open file '$file'\n" );
}
$this->parserTest = $parserTest;
$this->lineNum = $this->index = 0;
}
function rewind() {
if ( fseek( $this->fh, 0 ) ) {
throw new MWException( "Couldn't fseek to the start of '$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() {
$this->clearSection();
# Create a fake parser tests which never run anything unless
# asked to do so. This will avoid running hooks for a disabled test
$delayedParserTest = new DelayedParserTest();
while ( false !== ( $line = fgets( $this->fh ) ) ) {
$this->lineNum++;
$matches = array();
if ( preg_match( '/^!!\s*(\w+)/', $line, $matches ) ) {
$this->section = strtolower( $matches[1] );
if ( $this->section == 'endarticle' ) {
$this->checkSection( 'text' );
$this->checkSection( 'article' );
$this->parserTest->addArticle( ParserTest::chomp( $this->sectionData['article'] ), $this->sectionData['text'], $this->lineNum );
$this->clearSection();
continue;
}
if ( $this->section == 'endhooks' ) {
$this->checkSection( 'hooks' );
foreach ( explode( "\n", $this->sectionData['hooks'] ) as $line ) {
$line = trim( $line );
if ( $line ) {
$delayedParserTest->requireHook( $line );
}
}
$this->clearSection();
continue;
}
if ( $this->section == 'endfunctionhooks' ) {
$this->checkSection( 'functionhooks' );
foreach ( explode( "\n", $this->sectionData['functionhooks'] ) as $line ) {
$line = trim( $line );
if ( $line ) {
$delayedParserTest->requireFunctionHook( $line );
}
}
$this->clearSection();
continue;
}
if ( $this->section == 'end' ) {
$this->checkSection( 'test' );
$this->checkSection( 'input' );
$this->checkSection( 'result' );
if ( !isset( $this->sectionData['options'] ) ) {
$this->sectionData['options'] = '';
}
if ( !isset( $this->sectionData['config'] ) ) {
$this->sectionData['config'] = '';
}
if ( ( ( preg_match( '/\\bdisabled\\b/i', $this->sectionData['options'] ) && !$this->parserTest->runDisabled )
|| !preg_match( "/" . $this->parserTest->regex . "/i", $this->sectionData['test'] ) ) ) {
# disabled test
$this->clearSection();
# Forget any pending hooks call since test is disabled
$delayedParserTest->reset();
continue;
}
# We are really going to run the test, run pending hooks and hooks function
wfDebug( __METHOD__ . " unleashing delayed test for: {$this->sectionData['test']}" );
$hooksResult = $delayedParserTest->unleash( $this->parserTest );
if( !$hooksResult ) {
# Some hook reported an issue. Abort.
return false;
}
$this->test = array(
'test' => ParserTest::chomp( $this->sectionData['test'] ),
'input' => ParserTest::chomp( $this->sectionData['input'] ),
'result' => ParserTest::chomp( $this->sectionData['result'] ),
'options' => ParserTest::chomp( $this->sectionData['options'] ),
'config' => ParserTest::chomp( $this->sectionData['config'] ),
);
return true;
}
if ( isset ( $this->sectionData[$this->section] ) ) {
throw new MWException( "duplicate section '$this->section' at line {$this->lineNum} of $this->file\n" );
}
$this->sectionData[$this->section] = '';
continue;
}
if ( $this->section ) {
$this->sectionData[$this->section] .= $line;
}
}
return false;
}
/**
* Clear section name and its data
*/
private function clearSection() {
$this->sectionData = array();
$this->section = null;
}
/**
* Verify the current section data has some value for the given token
* name (first parameter).
* Throw an exception if it is not set, referencing current section
* and adding the current file name and line number
*
* @param $token String: expected token that should have been mentionned before closing this section
*/
private function checkSection( $token ) {
if( is_null( $this->section ) ) {
throw new MWException( __METHOD__ . " can not verify a null section!\n" );
}
if( !isset($this->sectionData[$token]) ) {
throw new MWException( sprintf(
"'%s' without '%s' at line %s of %s\n",
$this->section,
$token,
$this->lineNum,
$this->file
));
}
return true;
}
}
/**
* A class to delay execution of a parser test hooks.
*/
class DelayedParserTest {
/** Initialized on construction */
private $hooks;
private $fnHooks;
public function __construct() {
$this->reset();
}
/**
* Init/reset or forgot about the current delayed test.
* Call to this will erase any hooks function that were pending.
*/
public function reset() {
$this->hooks = array();
$this->fnHooks = array();
}
/**
* Called whenever we actually want to run the hook.
* Should be the case if we found the parserTest is not disabled
*/
public function unleash( &$parserTest ) {
if( !($parserTest instanceof ParserTest || $parserTest instanceof NewParserTest
) ) {
throw new MWException( __METHOD__ . " must be passed an instance of ParserTest or NewParserTest classes\n" );
}
# Trigger delayed hooks. Any failure will make us abort
foreach( $this->hooks as $hook ) {
$ret = $parserTest->requireHook( $hook );
if( !$ret ) {
return false;
}
}
# Trigger delayed function hooks. Any failure will make us abort
foreach( $this->fnHooks as $fnHook ) {
$ret = $parserTest->requireFunctionHook( $fnHook );
if( !$ret ) {
return false;
}
}
# Delayed execution was successful.
return true;
}
/**
* Similar to ParserTest object but does not run anything
* Use unleash() to really execute the hook
*/
public function requireHook( $hook ) {
$this->hooks[] = $hook;
}
/**
* Similar to ParserTest object but does not run anything
* Use unleash() to really execute the hook function
*/
public function requireFunctionHook( $fnHook ) {
$this->fnHooks[] = $fnHook;
}
}