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Isolator Features > Your tests will be more maintainable > Method call arguments are IGNORED by default


With Isolator, when faking a method's behavior, arguments for that method are ignored by default. This is the opposite of what all other frameworks do, and there's a simple reason for that: It's more common to want to fake a method regardless of the arguments that are sent to it. By not ignoring arguments, you are over-specifying your test, making it more brittle.

With ignored params by default, your test will be less brittle : it will not break even if your production code sends in different parameters to your fake methods.

You always have the option to expect exact arguments though: