This article demonstrates extending Sylius's core functionality using Test-Driven Development (TDD) to improve inventory management. We'll add color-coded low-stock indicators to the product listing. This will be a backend implementation; visual testing with Behat will be covered in a future article. Assume you have a working Sylius instance.
Sylius offers robust inventory management, but we can enhance it. Currently, the admin product list lacks stock information. While variant details show stock levels and tracking, adding this to the product list improves usability. We'll also introduce a tiered warning system (e.g., green for ample stock, yellow for low stock, red for out of stock).
Extending ProductVariant
and Product
Models
To add stock availability information, we'll extend Sylius's ProductVariant
and Product
models.
1. Create a Bundle
Create src/AppBundle/AppBundle.php
:
<?php namespace AppBundle; use Symfony\Component\HttpKernel\Bundle\Bundle; class AppBundle extends Bundle { }
Register it in app/AppKernel.php
:
<?php // ... public function registerBundles() { $bundles = [ // ... new AppBundle\AppBundle(), ]; }
Update composer.json
's autoload
section:
{ // ... "autoload": { "psr-4": { // ... "AppBundle\": "src/AppBundle" } } // ... }
Run composer dump-autoload
.
2. SpecBDD Tests
We'll use PhpSpec for behavior-driven development. In phpspec.yml.dist
, add:
AppBundle: { namespace: AppBundle\Entity, psr4_prefix: AppBundle\Entity, spec_path: src/AppBundle/Entity, src_path: src/AppBundle/Entity }
Clear the cache: php bin/console cache:clear
.
Generate specifications using:
php bin/phpspec desc AppBundle/Entity/ProductVariant php bin/phpspec desc AppBundle/Entity/Product
Create interfaces: ProductInterface
and ProductVariantInterface
extending their Sylius counterparts. Then create Product.php
and ProductVariant.php
extending the Sylius classes and implementing the new interfaces.
Add a $reorderLevel
property to ProductVariant.php
:
<?php // src/AppBundle/Entity/ProductVariant.php // ... class ProductVariant extends BaseProductVariant implements ProductVariantInterface { const REORDER_LEVEL = 5; private $reorderLevel; // ... }
3. Overriding Sylius Classes
Configure Sylius to use our extended classes in app/config/config.yml
:
sylius_product: resources: product: classes: model: AppBundle\Entity\Product product_variant: classes: model: AppBundle\Entity\ProductVariant
4. Database Update
Generate and run migrations:
php bin/console doctrine:migrations:diff php bin/console doctrine:migrations:migrate
(Or use php bin/console doctrine:schema:update --force
if necessary). Create ProductVariant.orm.yml
to define the reorderLevel
column in the database. Create an empty Product.orm.yml
as we're not modifying the sylius_product
table.
5. More SpecBDD Tests
Write PhpSpec tests for ProductVariant
and Product
, implementing methods like getReorderLevel()
, setReorderLevel()
, isReorderable()
, getOnHand()
, and isTracked()
as needed, ensuring all tests pass. The tests should cover various scenarios, including different stock levels and reorder levels. Remember to update the interfaces with the necessary methods.
6. Conclusion
This TDD approach ensures robust code. The next article will cover Behat testing for visual verification.
(FAQs section omitted for brevity, as it's largely unrelated to the core code example and would significantly increase the response length. The provided FAQs are well-written and can be easily included separately.)
The above is the detailed content of Upgrading Sylius the TDD Way: Exploring PhpSpec. For more information, please follow other related articles on the PHP Chinese website!

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