![]() ![]() update resource.properties properties end it raises a not found error. You can read more about the difference between should and expect in the docs. If you run this test typing rspec filename you will obtain a readable output. The block form can used for Expecting and Yielding. ![]() ) and you can also tell it to raise an exception replacing andreturn with andraise. I know you can mock an object's method and tell it to return different values depending if it was called by the first time, second time, etc., with allow (object).to receive (:foo).andreturn ('a', 'b'. Use expect(new_permission.valid?).to be_false RSpec allow to receive and return or raise an exception. It expects that it will get an exception object whenever it calls foo. However, when you use a block (and this is basic ruby), the block contents isn't executed immediately - it's execution is determined by the method you're calling (in this case, the expect method handles when to execute your block): expect.to be_false If you do raise foo the raise method doesnt expect foo to be an exception object. Quick Walkthrough of RSpec Mocks (Introduction) in Code. Long-term care for Ruby on Rails applications. Your argument is evaluated immediately and that exception will be thrown and your test will blow up right there. nfigure do config config.mockwith:rspec do mocks mocks.verifypartialdoubles true end end This will also replace stubexisting from our rspeccandy. When you're trying to test for raised errors when you do the same thing: expect(raise "fail!").to raise_error This is specifically testing the value that you've sent in as the parameter to the method. Rspec: expect vs expect with block - what's the difference?Īs has been mentioned: expect(4).to eq(4) ![]()
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