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Easy way to check test invariants #1674

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hadley opened this issue Aug 29, 2022 · 1 comment · Fixed by #1816
Closed

Easy way to check test invariants #1674

hadley opened this issue Aug 29, 2022 · 1 comment · Fixed by #1816
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feature a feature request or enhancement fixtures 🏭
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3.1.8

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hadley commented Aug 29, 2022

If you accidentally affect global state in one test (e.g. working directory, options) it can be very hard to later figure out where the problem is. It'd be cool if you could somehow register a function that testtat would call before and after each test, and then report if the objects were different.
@hadley hadley added feature a feature request or enhancement fixtures 🏭 labels Sep 19, 2022
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hadley commented May 17, 2023

What renv does: rstudio/renv#1269

@hadley hadley added this to the 3.1.8 milestone Jun 5, 2023
hadley added a commit that referenced this issue Jun 5, 2023
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New tool to compare global state before and after each test
17b03ac 
Fixes #1674
@hadley hadley mentioned this issue Jun 5, 2023
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hadley added a commit that referenced this issue Jun 6, 2023
@hadley
set_state_inspector() to compare global state before and after each…
358a340 
… test (#1816)

Fixes #1674
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New tool to compare global state before and after each test r-lib/testthat
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