Rspec assigns equivalent in unit test/minitest -

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is there rspec assigns equivalent in minitest::test? if not how can check instant controller instant variable in tests. using sinatra

the assigns method comes rails, not rspec or minitest. works same.

the following example rails testing guide:

class postscontrollertest < actioncontroller::testcase   test "should index"     :index     assert_response :success     assert_not_nil assigns(:posts)   end end

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