Brian Coyner • 9/2/2021

Attaching A Core Data SQLite Database To A Failed Test

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This technical article explains how to capture a Core Data SQLite database when an XCTest fails. It covers detecting test failures, understanding SQLite WAL checkpointing, forcing a checkpoint, and attaching the resulting database file as an XCTAttachment for debugging. It includes Swift code examples for a CoreDataTestCase subclass.

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#unit testing #sqlite #Ios Development
Attaching A Core Data SQLite Database To A Failed Test

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