assert_not_in_array

Question

We have an assertion in rails tests assert_in_array that is used to check if an element exists in an array. Is there any reverse assertion for it like assert_not_in_array?

Jacob Relkin · Accepted Answer · 2010-12-23 06:17:43Z

14

There is no such assertion, however you could do this:

assert (not array.include? element)

answered Dec 23, 2010 at 6:17

Jacob Relkin

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drhenner · Accepted Answer · 2016-08-19 22:31:35Z

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You might be looking for refute_includes

 refute_includes array_of_user_ids, user.id

http://apidock.com/ruby/v1_9_3_392/MiniTest/Assertions/refute_includes

answered Aug 19, 2016 at 22:31

drhenner

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frankV · Accepted Answer · 2019-01-16 16:58:08Z

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another method is using assert_not_includes

so expanding on the answer from @drhenner, one could use:

assert_not_includes array_of_user_ids, user.id

answered Jan 16, 2019 at 16:58

frankV

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