config = $config; $this->changeloggerFormatter = new WCAdminFormatter(); parent::__construct(); } /** * Configures the command. */ protected function configure() { $this->setDescription( 'Generate test instructions from a given version.' ) ->addArgument( 'version', InputArgument::REQUIRED, 'Release version from changelog.txt.' ) ->addOption( 'save-to', null, InputOption::VALUE_REQUIRED, 'Specificity a file path to save the output.' ); } /** * Executes the command. * * @param InputInterface $input InputInterface. * @param OutputInterface $output OutputInterface. * * @return bool * @throws Exception */ protected function execute( InputInterface $input, OutputInterface $output ) { $version = $input->getArgument( 'version' ); $saveTo = $input->getOption( 'save-to' ); if ( null === $saveTo ) { $saveTo = $this->config->getOutputFilePath(); } $changelog = $this->changeloggerFormatter->parse( file_get_contents( $this->config->getChangelogFilepath() ) ); $this->githubCredentials = $this->config->getGithubCredentials(); if ( null === $this->githubCredentials['token'] ) { $output->writeln(" Github token is missing. Please refer to the README.md to set Github credentials. "); return 1; } if ( null === $this->githubCredentials['username'] ) { $output->writeln(" Github username is missing. Please refer to the README.md to set Github credentials. "); return 1; } $entry = $this->getChangelogEntryByVersion( $changelog, $version ); if ( null === $entry ) { $output->writeln( "{$version} does not exist." ); return 1; } $prs = $this->extractPrNumbers( $entry->getChanges() ); $prContents = $this->getPrContents( $prs ); if ( count($prContents) === 0 ) { $output->writeln("PRs in version {$version} doesn't have any test instructions"); return 0; } $testingInstructionsPath = $this->config->getOutputFilePath(); $testingInstructions = $this->buildTestInstructions( $testingInstructionsPath, $prContents, $version ); file_put_contents( $saveTo, $testingInstructions ); $output->writeln( "Successfully saved to {$saveTo}" ); return 0; } /** * Build new TESTING-INSTRUCTIONS.md content by inserting $prContents. * * @param string $testingInstructionsPath Path of TESTING-INSTRUCTIONS.md * @param array $prContents Array of PR content * @param string $version Target version * * @return string */ protected function buildTestInstructions( $testingInstructionsPath, $prContents, $version ) { // Get the content of the existing TESTING-INSTRUCTIONS.md. $testingInstructions = file( $testingInstructionsPath ); $output = array(); // Get the first line (heading) from the TESTING-INSTRUCTIONS.md. array_push( $output, array_shift( $testingInstructions ) ); // Put the version. array_push( $output, '## '.$version ); foreach ( $prContents as $pr => $prContent ) { if ( empty( $prContent['testInstructions'] ) ) { continue; } array_push( $output, '### '.$prContent[ 'title' ].' #'.$pr ); array_push( $output, $prContent[ 'testInstructions' ] ); } // Put the remaining contents from TESTING-INSTRUCTIONS.md. foreach ( $testingInstructions as $testingInstruction ) { array_push( $output, $testingInstruction ); } return implode( "\n", $output); } /** * Get ChangelogEntry by the given version. * * @param Changelog $changelog * @param $version * * @return ChangelogEntry|null */ protected function getChangelogEntryByVersion( Changelog $changelog, $version ) { foreach ( $changelog->getEntries() as $entry ) { if ( $entry->getVersion() === $version ) { return $entry; } } return null; } /** * Extract testing instructions from the PR description. * * @param string $body PR description body. * * @return string Testing instructions. */ protected function getTestInstructions( $body ) { // add additinal ### to make the regex working. $body .= "\n###"; $pattern = '/### (Detailed test instructions:)\R+(.+?)(?=\R+###)/s'; preg_match( $pattern, $body, $matches ); if ( 3 === count( $matches ) ) { $matches[2] = strtr($matches[2], array( 'No changelog required.' => '', 'No changelog required' => '', '- [x] Include test instructions in the release' => '', '- [ ] Include test instructions in the release' => '' )); //Remove or comments. return preg_replace('/(?=/', '', $matches[2]); } return ''; } /** * Extract PR #s from the change entries. * * @param ChangeEntry[] $changeEntires * * @return array * @throws Exception */ protected function extractPrNumbers( $changeEntires = [] ) { $prs = []; foreach ( $changeEntires as $changeEntry ) { preg_match( "/#[0-9]+/", $changeEntry->getContent(), $matches ); if ( count( $matches ) ) { array_push( $prs, str_replace( "#", "", $matches[0] ) ); } else { throw new Exception( "Unable to find a PR # in '{$changeEntry->getContent()}'" ); } } return $prs; } /** * Get the PR contents. * * @param array $prs PR numbers. * * @return array * @throws Exception */ protected function getPrContents( array $prs ) { $authorization = 'Basic '. base64_encode( $this->githubCredentials['username'].':'.$this->githubCredentials['token'] ); $prs = array_map( function( $pr ) { return "https://api.github.com/repos/" . $this->config->getRepositoryPath() . "/pulls/{$pr}"; }, $prs ); $header = array( "Authorization: {$authorization}" ); $responses = array(); foreach ( array_chunk( $prs, 5 ) as $chunk ) { $chunk_responses = $this->multiRequest($chunk, array( CURLOPT_HTTPHEADER => $header, CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 6.2; WOW64; rv:17.0) Gecko/20100101 Firefox/17.0' )); foreach ( $chunk_responses as $chunk_response ) { array_push( $responses, json_decode( $chunk_response, false ) ); } } $contents = array(); foreach ( $responses as $response ) { if ( false === isset( $response->url ) ) { throw new Exception("Unable to retrieve content for the PR from {$response->url}"); } if ( false === $this->shouldIncludeTestInstructions( $response->labels ) ) { continue; } $testInstruction = $this->getTestInstructions( $response->body ); if ( '' == $testInstruction ) { continue; } $contents[ $response->number ] = array( 'title' => $response->title, 'number' => $response->number, 'testInstructions' => $testInstruction ); } return $contents; } /** * Determine if the given PR's test instructions should be included. * * @param Array $labels Labels from a PR. * * @return bool */ protected function shouldIncludeTestInstructions( $labels ) { foreach ( $labels as $label ) { if ( 'no release testing instructions' === $label->name ) { return false; } } return true; } /** * Make multiple curl requests. * * @param array $data * @param array $options * * @return array */ protected function multiRequest( array $data, $options = array() ) { // array of curl handles $curly = array(); // data to be returned $result = array(); // multi handle $mh = curl_multi_init(); // loop through $data and create curl handles // then add them to the multi-handle foreach ( $data as $id => $d ) { $curly[$id] = curl_init(); $url = ( is_array( $d ) && ! empty( $d['url'] ) ) ? $d['url'] : $d; curl_setopt( $curly[$id], CURLOPT_URL, $url ); curl_setopt( $curly[$id], CURLOPT_HEADER, 0 ); curl_setopt( $curly[$id], CURLOPT_RETURNTRANSFER, 1 ); // post? if ( is_array( $d ) ) { if ( ! empty( $d['post'] ) ) { curl_setopt( $curly[$id], CURLOPT_POST, 1 ); curl_setopt( $curly[$id], CURLOPT_POSTFIELDS, $d['post'] ); } } // extra options? if ( ! empty( $options ) ) { curl_setopt_array( $curly[$id], $options ); } curl_multi_add_handle( $mh, $curly[$id] ); } // execute the handles $running = null; do { curl_multi_exec( $mh, $running ); } while( $running > 0 ); // get content and remove handles foreach( $curly as $id => $c ) { $result[$id] = curl_multi_getcontent( $c ); curl_multi_remove_handle( $mh, $c ); } // all done curl_multi_close( $mh ); return $result; } }