Laravel Queue Testing: What Most Developers Get Wrong
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Most Laravel developers test queue jobs by only asserting dispatch with Bus::fake(), which verifies wiring but not behavior. Proper queue testing requires directly instantiating jobs and calling handle() to test business logic, mocking external API clients, verifying idempotency guards prevent duplicate execution on retries,
Table of contents
The Scenario: Syncing an Order to an External API1. Testing Dispatch (Integration Level)2. Testing Job Logic Directly (Unit Level)3. Testing Idempotency4. Testing Retry Safety5. Testing Jobs That Dispatch Other Jobs6. Testing Backoff and Retry Configuration7. The Dangerous Anti-PatternWhen to Use Bus::fake() vs Real ExecutionAdvanced: Running Jobs Synchronously in TestsDesign Principles for Testable JobsFinal ThoughtsSort: