142 lines
7.3 KiB
PHP
142 lines
7.3 KiB
PHP
<?php
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use App\Models\GoodsReceipt;
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use App\Models\StockMovement;
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use Illuminate\Contracts\Console\Kernel;
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use Illuminate\Support\Facades\Artisan;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Schema;
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use Symfony\Component\Process\Process;
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require __DIR__.'/../../vendor/autoload.php';
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// Process-only settings: the project's .env and live database are never rewritten.
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foreach (['APP_ENV' => 'testing', 'CACHE_STORE' => 'array', 'SESSION_DRIVER' => 'array', 'QUEUE_CONNECTION' => 'sync', 'MAIL_MAILER' => 'array'] as $key => $value) {
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putenv($key.'='.$value);
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$_ENV[$key] = $_SERVER[$key] = $value;
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}
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$app = require __DIR__.'/../../bootstrap/app.php';
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$app->make(Kernel::class)->bootstrap();
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require __DIR__.'/../Support/ReceiptFixture.php';
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$original = DB::connection();
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if ($original->getDriverName() !== 'pgsql') {
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throw new LogicException('Este ensaio exige a ligação PostgreSQL local.');
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}
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$originalDatabase = $original->getDatabaseName();
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$effectiveConfig = $original->getConfig();
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$admin = $original->getPdo();
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$database = 'compras_receipts_test_'.bin2hex(random_bytes(6));
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if ($database === $originalDatabase || ! preg_match('/^compras_receipts_test_[a-f0-9]{12}$/', $database)) {
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throw new LogicException('Nome de base de testes não autorizado.');
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}
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$liveUsersBefore = $admin->query('SELECT COUNT(*) FROM users')->fetchColumn();
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$created = false;
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$processes = [];
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$report = ['tested_at_utc' => gmdate('c'), 'database' => $database, 'separate_database' => true, 'transport' => 'Laravel HTTP kernel in independent PHP processes; real PostgreSQL connections', 'scenarios' => []];
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try {
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$admin->exec('CREATE DATABASE "'.$database.'"');
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$created = true;
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$isolated = $effectiveConfig;
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$isolated['url'] = null;
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$isolated['database'] = $database;
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// Replace both PostgreSQL aliases in this process and discard any schema facade
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// resolved by providers while the live configuration was being read.
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config(['database.connections.receipt_concurrency' => $isolated, 'database.connections.pgsql' => $isolated]);
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DB::purge('pgsql');
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DB::setDefaultConnection('receipt_concurrency');
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Schema::clearResolvedInstance('db.schema');
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app()->forgetInstance('db.schema');
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if (DB::selectOne('select current_database() as name')->name !== $database) {
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throw new LogicException('Migração recusada: ligação não isolada.');
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}
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if (Schema::getConnection()->getDatabaseName() !== $database || DB::connection('pgsql')->getDatabaseName() !== $database) {
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throw new LogicException('Migração recusada: esquema ou alias PostgreSQL não isolado.');
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}
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Artisan::call('migrate', ['--database' => 'receipt_concurrency', '--force' => true]);
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$workerEnv = [
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'APP_ENV' => 'testing', 'DB_CONNECTION' => 'pgsql', 'DB_URL' => '', 'DB_DATABASE' => $database,
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'DB_HOST' => $effectiveConfig['host'], 'DB_PORT' => (string) $effectiveConfig['port'],
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'DB_USERNAME' => $effectiveConfig['username'], 'DB_PASSWORD' => $effectiveConfig['password'],
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'DB_SSLMODE' => $effectiveConfig['sslmode'] ?? 'prefer',
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'CACHE_STORE' => 'array', 'SESSION_DRIVER' => 'array', 'QUEUE_CONNECTION' => 'sync', 'MAIL_MAILER' => 'array',
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];
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foreach (['role_revoked_while_waiting'] as $scenario) {
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$fixture = receiptFixture();
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$first = receiptPayload($fixture, '0.600');
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$second = receiptPayload($fixture, '0.600');
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$connection = DB::connection();
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$connection->beginTransaction();
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// Hold the company: both requests cache their old role before we revoke it.
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$connection->table('tenants')->where('id', $fixture['tenant']->id)->lockForUpdate()->first();
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$processes = [];
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foreach ([$first, $second] as $index => $payload) {
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$label = $index === 0 ? 'A' : 'B';
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$user = $index === 0 ? $fixture['receiver'] : $fixture['otherReceiver'];
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$process = new Process([PHP_BINARY, __DIR__.'/authorization-worker.php', $database, (string) $user->id, (string) $fixture['order']->id, $label], base_path(), $workerEnv);
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$process->setInput(json_encode($payload, JSON_THROW_ON_ERROR));
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$process->setTimeout(45);
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$process->start();
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$processes[] = $process;
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}
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$statement = $admin->prepare("SELECT count(*) FROM pg_stat_activity WHERE datname = ? AND application_name IN ('sgc_authorization_A','sgc_authorization_B') AND wait_event_type = 'Lock'");
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$deadline = microtime(true) + 20;
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$waits = 0;
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do {
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$statement->execute([$database]);
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$waits = (int) $statement->fetchColumn();
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if ($waits >= 2) {
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break;
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}
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foreach ($processes as $process) {
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if (! $process->isRunning()) {
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throw new RuntimeException('Worker terminou antes da sobreposição: '.$process->getOutput().' '.$process->getErrorOutput());
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}
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}
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usleep(20000);
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} while (microtime(true) < $deadline);
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$connection->table('users')->whereIn('id', [$fixture['receiver']->id, $fixture['otherReceiver']->id])->update(['purchasing_role' => 'requester']);
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$connection->commit();
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if ($waits < 2) {
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throw new RuntimeException('Não foi demonstrada espera simultânea pelos bloqueios.');
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}
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$results = [];
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foreach ($processes as $process) {
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$process->wait();
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if (! $process->isSuccessful()) {
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throw new RuntimeException('Falha do worker: '.$process->getErrorOutput());
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}
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$results[] = json_decode($process->getOutput(), true, 512, JSON_THROW_ON_ERROR);
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}
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$statuses = array_column($results, 'status');
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sort($statuses);
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if ($statuses !== [403, 403] || GoodsReceipt::query()->count() !== 0 || StockMovement::query()->count() !== 0 || count(array_unique(array_column($results, 'backend_pid'))) !== 2) {
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throw new RuntimeException('A stale warehouse profile authorised a receipt.');
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}
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$report['scenarios'][] = ['name' => $scenario, 'passed' => true, 'overlapping_lock_waits' => $waits, 'statuses' => $statuses, 'receipts' => 0, 'stock_movements' => 0];
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}
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$report['passed'] = true;
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} catch (Throwable $error) {
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$report['passed'] = false;
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$report['failure'] = $error->getMessage();
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} finally {
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foreach ($processes as $process) {
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if ($process->isRunning()) {
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$process->stop();
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}
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}
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if (isset($connection) && $connection->transactionLevel() > 0) {
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$connection->rollBack();
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}
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DB::disconnect('receipt_concurrency');
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DB::disconnect('pgsql');
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if ($created && preg_match('/^compras_receipts_test_[a-f0-9]{12}$/', $database) && $database !== $originalDatabase) {
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$admin->exec('DROP DATABASE "'.$database.'"');
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$report['test_database_dropped'] = true;
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}
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$report['live_user_count_unchanged'] = $admin->query('SELECT COUNT(*) FROM users')->fetchColumn() === $liveUsersBefore;
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}
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file_put_contents(__DIR__.'/../../docs/autorizacao-concorrencia-postgresql.json', json_encode($report, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR).PHP_EOL);
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echo json_encode($report, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR).PHP_EOL;
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exit(($report['passed'] ?? false) ? 0 : 1);
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