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Snipe Migrations

Blazing fast database migrations for Laravel tests.

The package takes a snapshot of your mysql database and imports the schema to your test database rather than running all of your migrations when the test suite starts up.

If you have a project with many migration files, this process can provide you with a massive speed improvement when initializing your test suite. This package can be used as a replacement for the RefreshDatabase trait that is provided out of the box with Laravel.

As an example, we tested this on an application that takes about 4 seconds to run all migrations with RefreshDatabase. Using SnipeMigrations the tests start up in 200 ms.

Requirements

  1. Laravel >= 5.5
  2. PHP >= 7.1
  3. MySql or MariaDb, with separate database for testing.
    • For example if you have a development database for your application called amazingapp you would create a test database called amazingapp_test and add the details of the database in your phpunit.xml file. amazingapp_test is the database that Snipe will keep in sync for you.

Installation

Require the package using composer.

composer require --dev drfraker/snipe-migrations

Usage

After you've installed the package via composer

  1. Add the SnipeMigrations trait to your tests/TestCase file. Don't forget to import the class at the top of the file. Once you have added the SnipeMigrations trait, simply use the RefreshDatabase trait in any tests in which you wish to use database access, and Snipe will handle the rest for you.

When you're done, your tests/TestCase.php file should look like this.

<?php

namespace Tests;

use Drfraker\SnipeMigrations\SnipeMigrations;
use Illuminate\Foundation\Testing\TestCase as BaseTestCase;

abstract class TestCase extends BaseTestCase
{
    use CreatesApplication, SnipeMigrations;
}
  1. By default, SnipeMigrations will store a .snipe file and the snipe_snapshot.sql file in /vendor/drfraker/snipe-migrations/snapshots. If you would like to change the location of the files follow the directions below to publish the snipe config file.

    • To publish the snipe config file, run php artisan vendor:publish and select snipe-config from the list.
  2. If the snipe_snapshot.sql file gets out of sync for any reason you can clear it by running php artisan snipe:clear. After running this command your original database migrations will run again creating a new snipe_snapshot.sql file.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT

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