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PhabricatorDifferentialRevisionTestDataGenerator.php
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Created
Wed, Jul 10, 05:45

PhabricatorDifferentialRevisionTestDataGenerator.php
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<?php
final class PhabricatorDifferentialRevisionTestDataGenerator
extends PhabricatorTestDataGenerator {
const GENERATORKEY = 'revisions';
public function getGeneratorName() {
return pht('Differential Revisions');
}
public function generateObject() {
$author = $this->loadPhabricatorUser();
$revision = DifferentialRevision::initializeNewRevision($author);
$revision->attachReviewers(array());
$revision->attachActiveDiff(null);
// This could be a bit richer and more formal than it is.
$revision->setTitle($this->generateTitle());
$revision->setSummary($this->generateDescription());
$revision->setTestPlan($this->generateDescription());
$diff = $this->generateDiff($author);
$xactions = array();
$xactions[] = id(new DifferentialTransaction())
->setTransactionType(DifferentialTransaction::TYPE_UPDATE)
->setNewValue($diff->getPHID());
id(new DifferentialTransactionEditor())
->setActor($author)
->setContentSource($this->getLipsumContentSource())
->applyTransactions($revision, $xactions);
return $revision;
}
public function getCCPHIDs() {
$ccs = array();
for ($i = 0; $i < rand(1, 4);$i++) {
$ccs[] = $this->loadPhabricatorUserPHID();
}
return $ccs;
}
public function generateDiff($author) {
$paste_generator = new PhabricatorPasteTestDataGenerator();
$languages = $paste_generator->supportedLanguages;
$lang = array_rand($languages);
$code = $paste_generator->generateContent($lang);
$altcode = $paste_generator->generateContent($lang);
$newcode = $this->randomlyModify($code, $altcode);
$diff = id(new PhabricatorDifferenceEngine())
->generateRawDiffFromFileContent($code, $newcode);
$call = new ConduitCall(
'differential.createrawdiff',
array(
'diff' => $diff,
));
$call->setUser($author);
$result = $call->execute();
$thediff = id(new DifferentialDiff())->load(
$result['id']);
$thediff->setDescription($this->generateTitle())->save();
return $thediff;
}
public function generateDescription() {
return id(new PhutilLipsumContextFreeGrammar())
->generate(10, 20);
}
public function generateTitle() {
return id(new PhutilLipsumContextFreeGrammar())
->generate();
}
public function randomlyModify($code, $altcode) {
$codearr = explode("\n", $code);
$altcodearr = explode("\n", $altcode);
$no_lines_to_delete = rand(1,
min(count($codearr) - 2, 5));
$randomlines = array_rand($codearr,
count($codearr) - $no_lines_to_delete);
$newcode = array();
foreach ($randomlines as $lineno) {
$newcode[] = $codearr[$lineno];
}
$newlines_count = rand(2,
min(count($codearr) - 2, count($altcodearr) - 2, 5));
$randomlines_orig = array_rand($codearr, $newlines_count);
$randomlines_new = array_rand($altcodearr, $newlines_count);
$newcode2 = array();
$c = 0;
for ($i = 0; $i < count($newcode);$i++) {
$newcode2[] = $newcode[$i];
if (in_array($i, $randomlines_orig)) {
$newcode2[] = $altcodearr[$randomlines_new[$c++]];
}
}
return implode($newcode2, "\n");
}
}

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