133 lines
7.4 KiB
PHP
133 lines
7.4 KiB
PHP
<?php
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use App\Enums\PurchasingRole;
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use App\Models\Budget;
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use App\Models\BudgetEntry;
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use App\Models\BudgetReinforcement;
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use App\Models\User;
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use App\Services\BudgetReinforcementWorkflow;
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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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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 ($original->getDriverName() !== 'pgsql') {
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throw new LogicException('Exige PostgreSQL.');
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}
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$config = $original->getConfig();
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$admin = $original->getPdo();
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$database = 'compras_receipts_test_'.bin2hex(random_bytes(6));
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$created = false;
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$processes = [];
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$report = ['tested_at_utc' => gmdate('c'), 'separate_database' => true, 'transport' => 'Independent PHP service transactions and PostgreSQL connections', 'scenarios' => []];
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try {
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$admin->exec('CREATE DATABASE "'.$database.'"');
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$created = true;
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config(['database.connections.pgsql' => [...$config, 'database' => $database, 'url' => null]]);
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DB::purge('pgsql');
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DB::setDefaultConnection('pgsql');
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Schema::clearResolvedInstance('db.schema');
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app()->forgetInstance('db.schema');
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if (DB::connection()->getDatabaseName() !== $database || Schema::getConnection()->getDatabaseName() !== $database) {
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throw new LogicException('Migração fora do isolamento recusada.');
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}
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Artisan::call('migrate', ['--database' => 'pgsql', '--force' => true]);
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$workerEnv = ['APP_ENV' => 'testing', 'DB_CONNECTION' => 'pgsql', 'DB_URL' => '', 'DB_DATABASE' => $database, 'DB_HOST' => $config['host'], 'DB_PORT' => (string) $config['port'], 'DB_USERNAME' => $config['username'], 'DB_PASSWORD' => $config['password'], 'CACHE_STORE' => 'array', 'SESSION_DRIVER' => 'array'];
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foreach (['same_approval', 'distinct_reinforcements', 'approval_vs_reservation'] as $scenario) {
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$f = receiptFixture();
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$author = User::factory()->create(['tenant_id' => $f['tenant']->id, 'purchasing_role' => PurchasingRole::Finance]);
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$reviewer = User::factory()->create(['tenant_id' => $f['tenant']->id, 'purchasing_role' => PurchasingRole::Admin]);
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auth()->guard()->setUser($author);
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$budget = Budget::query()->create(['tenant_id' => $author->tenant_id, 'cost_center_id' => $f['r']->cost_center_id, 'year' => now()->year, 'amount_minor' => 5000, 'includes_tax' => true, 'created_by' => $author->id, 'approved_by' => $reviewer->id, 'reason' => 'Fixture isolada']);
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$data = ['reference' => 'REF-PG-1', 'amount' => '70.00', 'reason' => 'Fixture isolada'];
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$first = app(BudgetReinforcementWorkflow::class)->propose($author, $budget, $data);
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$second = $first;
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if ($scenario === 'distinct_reinforcements') {
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$second = app(BudgetReinforcementWorkflow::class)->propose($author, $budget, [...$data, 'reference' => 'REF-PG-2']);
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}
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$jobs = [
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['user' => $reviewer, 'target' => $first->id, 'payload' => ['action' => 'approve']],
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['user' => $reviewer, 'target' => $second->id, 'payload' => ['action' => 'approve']],
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];
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if ($scenario === 'approval_vs_reservation') {
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$jobs[1] = ['user' => $author, 'target' => $f['r']->id, 'payload' => ['action' => 'reserve']];
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}
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$connection = DB::connection();
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$connection->beginTransaction();
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$connection->table('tenants')->where('id', $author->tenant_id)->lockForUpdate()->first();
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$processes = [];
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foreach ($jobs as $index => $job) {
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$process = new Process([PHP_BINARY, __DIR__.'/reinforcement-worker.php', $database, (string) $job['user']->id, (string) $job['target'], $index === 0 ? 'A' : 'B'], base_path(), $workerEnv);
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$process->setInput(json_encode($job['payload'], JSON_THROW_ON_ERROR));
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$process->setTimeout(40);
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$process->start();
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$processes[] = $process;
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}
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$statement = $admin->prepare("SELECT count(*) FROM pg_stat_activity WHERE datname = ? AND application_name IN ('sgc_reinforcement_A','sgc_reinforcement_B') AND wait_event_type = 'Lock'");
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$deadline = microtime(true) + 20;
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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 (! $process->isRunning()) {
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throw new RuntimeException('Worker terminou antes do bloqueio: '.$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->commit();
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if ($waits !== 2) {
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throw new RuntimeException('Sem sobreposição de bloqueios.');
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}
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$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($statuses);
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$total = $budget->approvedTotalMinor();
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$reserved = (int) BudgetEntry::query()->sum('reserved_minor');
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$expectedTotal = $scenario === 'distinct_reinforcements' ? 19000 : 12000;
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$expectedReserved = $scenario === 'approval_vs_reservation' && $results[1]['status'] === 200 ? 10000 : 0;
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$validStatuses = $scenario === 'approval_vs_reservation' ? in_array($statuses, [[200, 200], [200, 422]], true) : $statuses === [200, 200];
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if (! $validStatuses || $results[0]['status'] !== 200 || $total !== $expectedTotal || $reserved !== $expectedReserved || $reserved > $total || BudgetReinforcement::query()->where('status', 'approved')->count() !== ($scenario === 'distinct_reinforcements' ? 2 : 1) || count(array_unique(array_column($results, 'backend_pid'))) !== 2) {
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throw new RuntimeException('Resultado concorrente de refor?os inesperado.');
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}
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$report['scenarios'][] = ['name' => $scenario, 'passed' => true, 'overlapping_lock_waits' => $waits, 'approved_total_minor' => $total, 'reserved_minor' => $reserved, 'original_allocation_unchanged' => $budget->refresh()->amount_minor === 5000];
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}
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$report['passed'] = true;
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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('pgsql');
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if ($created && $database !== $original->getDatabaseName() && preg_match('/^compras_receipts_test_[a-f0-9]{12}$/', $database)) {
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$admin->exec('DROP DATABASE "'.$database.'"');
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$report['test_database_dropped'] = true;
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}
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}
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file_put_contents(base_path('docs/reforcos-concorrencia-postgresql.json'), json_encode($report, JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR).PHP_EOL);
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echo json_encode($report, JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR).PHP_EOL;
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