Symfony Bundle Testing Laravel Package

Product Decisions This Supports

• Test infrastructure modernization roadmap: 0.3.0 introduces TestContainerBuilder as the single, fluent entry point for configuring Symfony test containers (loading extensions, registering bundles, asserting definitions, controlling locatability and visibility). This gives us a clear target API for standardizing how our teams write integration tests, replacing ad-hoc calls scattered across base test cases.
• Migration sequencing and support-window planning: Six BaseSymfonyIntegrationTestCase methods are now formally deprecated (loadExtension(), registerBundle(), expectServiceExists(), addToLocator(), getFromLocator(), and the $public argument of createContainer()). Each has a named replacement on the builder, so we can size a mechanical, low-risk migration and decide whether to absorb it in one sprint or spread it across the next refactor cycle.
• Breaking-change risk triage: createContainer() and createContainerFromFile() now return TestContainerBuilder instead of their prior return type. Code that chains off the return value or type-hints against the old contract is the primary audit surface. This is the one item that can turn a routine bump into a support incident, so it should gate the upgrade decision.
• Build vs. buy / dependency posture: We continue to lean on this package rather than maintaining in-house Symfony container test harnesses; a deprecation cycle with explicit 1:1 replacements is evidence of an actively maintained dependency with a coherent API direction.
• Use cases unlocked: Cleaner fixture setup for integration tests asserting service wiring, bundle registration correctness, and service-locator behavior — the sort of coverage that de-risks container configuration changes before they reach production.

When to Consider This Package

Adopt / upgrade when:

• We maintain Symfony-style integration tests that boot a container and assert service definitions, bundle registration, or locator behavior inside a Laravel/PHP codebase.
• We want a supported, fluent builder rather than hand-rolled base-class helpers, and we are willing to migrate deprecated calls now while replacements are documented.
• We can audit for the changed return types of createContainer() / createContainerFromFile() and confirm no caller depends on the previous return shape or chains old-style calls onto them.

Defer or look elsewhere when:

• The codebase relies heavily on the deprecated base-class methods and no one owns a migration slot; upgrading widens the surface of deprecated calls without immediate benefit.
• We only need Laravel's native testing facilities — HTTP, database, and container-binding assertions — and never touch Symfony container internals; the added abstraction cost outweighs the gain.
• We require a stable API with no deprecation churn in the near term; 0.x versioning means further breaking changes should be assumed, even if this release is migration-friendly.
• Callers depend on return-type contracts we cannot easily change (third-party test utilities, shared internal packages); pin the current version and revisit once the builder API settles.

How to Pitch It (Stakeholders)

For executives: A minor dependency release that consolidates our integration-test setup into one well-defined builder class. It is a hygiene upgrade, not a product feature: the value is lower maintenance cost and fewer bespoke test helpers. The risk is contained but non-zero — two container-creation methods changed their return type, and six older methods are deprecated. Recommendation is to schedule the bump with a short audit and migration ticket rather than take it as a blind patch.

For engineering: 0.3.0 adds TestContainerBuilder and moves the canonical way to load extensions, register bundles, assert definitions exist, mark services locatable, and set public visibility onto it. Every deprecated method maps 1:1 to a builder method, so migration is mostly search-and-replace. The action item is verifying nothing depends on the old return values of createContainer() and createContainerFromFile() — those now hand back a TestContainerBuilder, which is actually convenient for chaining but is a contract change. Deprecated methods still work for now; treat them as a burn-down list, and standardize new tests on the builder immediately so the deprecated path stops growing.