Created
April 12, 2019 09:38
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Laravel Migrations Compiler
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<?php | |
namespace Tests; | |
/** | |
* This class fakes all migrations and builds a single SQL file that is stored in the /tests folder. | |
* Then, the corresponding SQL can be used to build a fresh new table. | |
* | |
* Simply run in your TestCase setup: | |
* ``` | |
* $db = app('db')->connection(); | |
* $db->getSchemaBuilder()->dropAllTables(); | |
* $db->unprepared(MigrationsCompiler::get()); | |
* ``` | |
*/ | |
class MigrationsCompiler | |
{ | |
/** | |
* @var \Illuminate\Database\Migrations\Migrator | |
*/ | |
protected $migrator; | |
/** | |
* @var \Illuminate\Database\Connection | |
*/ | |
protected $db; | |
/** | |
* @var array | |
*/ | |
protected $migrations; | |
public function __construct() | |
{ | |
$this->migrator = app('migrator'); | |
$this->db = $this->migrator->resolveConnection(null); | |
$this->migrations = $this->migrator->getMigrationFiles(base_path().'/database/migrations'); | |
$this->migrator->requireFiles($this->migrations); | |
} | |
public static function get() | |
{ | |
return (new static)->cached(); | |
} | |
public function cached() | |
{ | |
$driver = config('database.default'); | |
$path = base_path("tests/migrations.$driver.cache.sql"); | |
if (file_exists($path)) { | |
return file_get_contents($path); | |
} | |
file_put_contents($path, $sql = $this->sql()); | |
return $sql; | |
} | |
public function sql() | |
{ | |
$sql = ''; | |
foreach ($this->migrations as $migration) { | |
$sql .="\n-- migration:".$migration." --\n"; | |
$sql .= "{$this->migrationToSql($migration)}\n"; | |
} | |
return $sql; | |
} | |
protected function migrationToSql($migration) | |
{ | |
$sql = ""; | |
$migration_name = $this->migrator->getMigrationName($migration); | |
$migration = $this->migrator->resolve($migration_name); | |
$name = ""; | |
foreach ($this->db->pretend(function () use ($migration) { | |
$migration->up(); | |
}) as $query) { | |
if ($name != $migration_name) { | |
$name = $migration_name; | |
$sql .="\n-- migration:".$name." --\n"; | |
} | |
$sql .= $query['query'].";\n"; | |
} | |
return $sql; | |
} | |
} |
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