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Why Fixtures are a Pain?

Understand the difficulties fixtures introduce in Rails testing, such as global data sets and brittle tests. Learn why fixtures can complicate test clarity and maintenance, and discover how factories provide more flexible and manageable test data solutions.

As great as fixtures are when we’re starting, using them long-term on complex projects exposes problems. Here are some things to keep an eye on.

Fixtures are global

There is only one set of fixtures in a default Rails application, so the temptation to add new data points to the fixture set every time we need a corner case is overwhelming. The problem is that every time we add a ...