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Example code of ampeco/fast-sqlite-refresh-database

Informations about the package fast-sqlite-refresh-database

Alternative to the default laravel behaviour that will refresh the sqlite database for each test.

Also, an alternative to squashing migrations, since that still has to import the squashed migration on each test.

In this implementation no transactions are used when starting a test and the database is refreshed by deleting the sqlite file and recreating it from a clean template!

Instructions

  1. Install the package

  2. Make sure you are not using in-memory database, but a sqlite file based one for your test setup
  3. In your test instead of use RefreshDatabase; use use FastSqliteRefreshDatabase;
  4. Run your tests

Performance

We tested it in an internal Feature testing suit with 86 tests. Using LazyRefreshDatabase we got:

Then we switched to FastSqliteRefreshDatabase and got:

Additional speed improvement

Preheating the database

If you are running a lot of test in CI for example. You can call php artisan fast-sqlite-refresh-database:preheat before running your tests. This will create a clean sqlite database file that can be copied for each test. This will speed up your tests even more!

In order to tell your tests to use the preheated database, you can set the environment variable FAST_SQLITE_REFRESH_DATABASE_PREHEATED to true before running your tests.

Here is the same test with preheated database:

Ramdisk

Running a large set of tests can create a lot of IO, for this reason you can use a ramdisk to store the sqlite database file.

On macOS you could use APFS or HFS+ ramdisk. From our tests HFS+ appears to be faster by 3-4%.

To unmount the ramdisk:

On linux you can use tmpfs

All versions of fast-sqlite-refresh-database with dependencies

PHP Build Version
Package Version
Requires php Version ^8.0
laravel/framework Version ^8.0|^9.0|^10.0
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