[8.x] Adds parallel testing (#36034)

* Adds parallel testing

* Adds paratest to testing component's "suggest" section

composer.json

@@ -129,6 +129,7 @@
         "ext-posix": "Required to use all features of the queue worker.",
         "ext-redis": "Required to use the Redis cache and queue drivers (^4.0|^5.0).",
         "aws/aws-sdk-php": "Required to use the SQS queue driver, DynamoDb failed job storage and SES mail driver (^3.155).",
+        "brianium/paratest": "Required to run tests in parallel (^6.0).",
         "doctrine/dbal": "Required to rename columns and drop SQLite columns (^2.6|^3.0).",
         "filp/whoops": "Required for friendly error pages in development (^2.8).",
         "fakerphp/faker": "Required to use the eloquent factory builder (^1.9.1).",

src/Illuminate/Database/Schema/Builder.php

@@ -94,6 +94,28 @@ public static function morphUsingUuids()
         return static::defaultMorphKeyType('uuid');
     }
 
+    /**
+     * Create a database in the schema.
+     *
+     * @param  string  $name
+     * @return bool
+     */
+    public function createDatabase($name)
+    {
+        throw new LogicException('This database driver does not support creating databases.');
+    }
+
+    /**
+     * Drop a database from the schema if the database exists.
+     *
+     * @param  string  $name
+     * @return bool
+     */
+    public function dropDatabaseIfExists($name)
+    {
+        throw new LogicException('This database driver does not support dropping databases.');
+    }
+
     /**
      * Determine if the given table exists.
      *

src/Illuminate/Database/Schema/Grammars/Grammar.php

@@ -9,6 +9,7 @@
 use Illuminate\Database\Query\Expression;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Fluent;
+use LogicException;
 use RuntimeException;
 
 abstract class Grammar extends BaseGrammar
@@ -27,6 +28,29 @@ abstract class Grammar extends BaseGrammar
      */
     protected $fluentCommands = [];
 
+    /**
+     * Compile a create database command.
+     *
+     * @param  string $name
+     * @param  \Illuminate\Database\Connection  $connection
+     * @return string
+     */
+    public function compileCreateDatabase($name, $connection)
+    {
+        throw new LogicException('This database driver does not support creating databases.');
+    }
+
+    /**
+     * Compile a drop database if exists command.
+     *
+     * @param  string $name
+     * @return string
+     */
+    public function compileDropDatabaseIfExists($name)
+    {
+        throw new LogicException('This database driver does not support dropping databases.');
+    }
+
     /**
      * Compile a rename column command.
      *

src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php

@@ -26,6 +26,37 @@ class MySqlGrammar extends Grammar
      */
     protected $serials = ['bigInteger', 'integer', 'mediumInteger', 'smallInteger', 'tinyInteger'];
 
+    /**
+     * Compile a create database command.
+     *
+     * @param  string $name
+     * @param  \Illuminate\Database\Connection  $connection
+     * @return string
+     */
+    public function compileCreateDatabase($name, $connection)
+    {
+        return sprintf(
+            'create database %s default character set %s default collate %s',
+            $this->wrapValue($name),
+            $this->wrapValue($connection->getConfig('charset')),
+            $this->wrapValue($connection->getConfig('collation')),
+        );
+    }
+
+    /**
+     * Compile a drop database if exists command.
+     *
+     * @param  string $name
+     * @return string
+     */
+    public function compileDropDatabaseIfExists($name)
+    {
+        return sprintf(
+            'drop database if exists %s',
+            $this->wrapValue($name)
+        );
+    }
+
     /**
      * Compile the query to determine the list of tables.
      *

src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php

@@ -35,6 +35,36 @@ class PostgresGrammar extends Grammar
      */
     protected $fluentCommands = ['Comment'];
 
+    /**
+     * Compile a create database command.
+     *
+     * @param  string $name
+     * @param  \Illuminate\Database\Connection  $connection
+     * @return string
+     */
+    public function compileCreateDatabase($name, $connection)
+    {
+        return sprintf(
+            'create database %s encoding %s',
+            $this->wrapValue($name),
+            $this->wrapValue($connection->getConfig('charset')),
+        );
+    }
+
+    /**
+     * Compile a drop database if exists command.
+     *
+     * @param  string $name
+     * @return string
+     */
+    public function compileDropDatabaseIfExists($name)
+    {
+        return sprintf(
+            'drop database if exists %s',
+            $this->wrapValue($name)
+        );
+    }
+
     /**
      * Compile the query to determine if a table exists.
      *

src/Illuminate/Database/Schema/Grammars/SqlServerGrammar.php

@@ -28,6 +28,35 @@ class SqlServerGrammar extends Grammar
      */
     protected $serials = ['tinyInteger', 'smallInteger', 'mediumInteger', 'integer', 'bigInteger'];
 
+    /**
+     * Compile a create database command.
+     *
+     * @param  string $name
+     * @param  \Illuminate\Database\Connection  $connection
+     * @return string
+     */
+    public function compileCreateDatabase($name, $connection)
+    {
+        return sprintf(
+            'create database %s',
+            $this->wrapValue($name),
+        );
+    }
+
+    /**
+     * Compile a drop database if exists command.
+     *
+     * @param  string $name
+     * @return string
+     */
+    public function compileDropDatabaseIfExists($name)
+    {
+        return sprintf(
+            'drop database if exists %s',
+            $this->wrapValue($name)
+        );
+    }
+
     /**
      * Compile the query to determine if a table exists.
      *

src/Illuminate/Database/Schema/MySqlBuilder.php

@@ -4,6 +4,32 @@
 
 class MySqlBuilder extends Builder
 {
+    /**
+     * Create a database in the schema.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function createDatabase($name)
+    {
+        return $this->connection->statement(
+            $this->grammar->compileCreateDatabase($name, $this->connection)
+        );
+    }
+
+    /**
+     * Drop a database from the schema if the database exists.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function dropDatabaseIfExists($name)
+    {
+        return $this->connection->statement(
+            $this->grammar->compileDropDatabaseIfExists($name)
+        );
+    }
+
     /**
      * Determine if the given table exists.
      *

src/Illuminate/Database/Schema/PostgresBuilder.php

@@ -4,6 +4,32 @@
 
 class PostgresBuilder extends Builder
 {
+    /**
+     * Create a database in the schema.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function createDatabase($name)
+    {
+        return $this->connection->statement(
+            $this->grammar->compileCreateDatabase($name, $this->connection)
+        );
+    }
+
+    /**
+     * Drop a database from the schema if the database exists.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function dropDatabaseIfExists($name)
+    {
+        return $this->connection->statement(
+            $this->grammar->compileDropDatabaseIfExists($name)
+        );
+    }
+
     /**
      * Determine if the given table exists.
      *

src/Illuminate/Database/Schema/SQLiteBuilder.php

@@ -2,8 +2,34 @@
 
 namespace Illuminate\Database\Schema;
 
+use Illuminate\Support\Facades\File;
+
 class SQLiteBuilder extends Builder
 {
+    /**
+     * Create a database in the schema.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function createDatabase($name)
+    {
+        return File::put($name, '') !== false;
+    }
+
+    /**
+     * Drop a database from the schema if the database exists.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function dropDatabaseIfExists($name)
+    {
+        return File::exists($name)
+            ? File::delete($name)
+            : true;
+    }
+
     /**
      * Drop all tables from the database.
      *

src/Illuminate/Database/Schema/SqlServerBuilder.php

@@ -4,6 +4,32 @@
 
 class SqlServerBuilder extends Builder
 {
+    /**
+     * Create a database in the schema.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function createDatabase($name)
+    {
+        return $this->connection->statement(
+            $this->grammar->compileCreateDatabase($name, $this->connection)
+        );
+    }
+
+    /**
+     * Drop a database from the schema if the database exists.
+     *
+     * @param  string $name
+     * @return bool
+     */
+    public function dropDatabaseIfExists($name)
+    {
+        return $this->connection->statement(
+            $this->grammar->compileDropDatabaseIfExists($name)
+        );
+    }
+
     /**
      * Drop all tables from the database.
      *

src/Illuminate/Foundation/Providers/FoundationServiceProvider.php

@@ -5,6 +5,7 @@
 use Illuminate\Http\Request;
 use Illuminate\Support\AggregateServiceProvider;
 use Illuminate\Support\Facades\URL;
+use Illuminate\Testing\ParallelTestingServiceProvider;
 use Illuminate\Validation\ValidationException;
 
 class FoundationServiceProvider extends AggregateServiceProvider
@@ -16,6 +17,7 @@ class FoundationServiceProvider extends AggregateServiceProvider
      */
     protected $providers = [
         FormRequestServiceProvider::class,
+        ParallelTestingServiceProvider::class,
     ];
 
     /**

src/Illuminate/Foundation/Testing/TestCase.php

@@ -7,6 +7,7 @@
 use Illuminate\Console\Application as Artisan;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Facades\Facade;
+use Illuminate\Support\Facades\ParallelTesting;
 use Illuminate\Support\Str;
 use Mockery;
 use Mockery\Exception\InvalidCountException;
@@ -81,6 +82,8 @@ protected function setUp(): void
 
         if (! $this->app) {
             $this->refreshApplication();
+
+            ParallelTesting::callSetUpTestCaseCallbacks($this);
         }
 
         $this->setUpTraits();
@@ -152,6 +155,8 @@ protected function tearDown(): void
         if ($this->app) {
             $this->callBeforeApplicationDestroyedCallbacks();
 
+            ParallelTesting::callTearDownTestCaseCallbacks($this);
+
             $this->app->flush();
 
             $this->app = null;

src/Illuminate/Support/Facades/ParallelTesting.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Illuminate\Support\Facades;
+
+/**
+ * @method static void setUpProcess(callable $callback)
+ * @method static void setUpTestCase(callable $callback)
+ * @method static void tearDownProcess(callable $callback)
+ * @method static void tearDownTestCase(callable $callback)
+ * @method static int|false token()
+ *
+ * @see \Illuminate\Testing\ParallelTesting
+ */
+class ParallelTesting extends Facade
+{
+    /**
+     * Get the registered name of the component.
+     *
+     * @return string
+     */
+    protected static function getFacadeAccessor()
+    {
+        return \Illuminate\Testing\ParallelTesting::class;
+    }
+}

src/Illuminate/Support/Facades/Schema.php

@@ -4,8 +4,10 @@
 
 /**
  * @method static \Illuminate\Database\Schema\Builder create(string $table, \Closure $callback)
+ * @method static \Illuminate\Database\Schema\Builder createDatabase(string $name)
  * @method static \Illuminate\Database\Schema\Builder disableForeignKeyConstraints()
  * @method static \Illuminate\Database\Schema\Builder drop(string $table)
+ * @method static \Illuminate\Database\Schema\Builder dropDatabaseIfExists(string $name)
  * @method static \Illuminate\Database\Schema\Builder dropIfExists(string $table)
  * @method static \Illuminate\Database\Schema\Builder enableForeignKeyConstraints()
  * @method static \Illuminate\Database\Schema\Builder rename(string $from, string $to)