rspec stub not working

If you found our advice to be useful, you might like our book I'd really love to have a better way to do this, though. ', 'Stub user_signed_in? You can make this test pass by giving it what it wants: And there you go, we have a passing test: Nearly all strategies for testing automation depend on some fundamentalconcepts. article.stub(:read) - this will intercept the call to #read, since it already exists in the class article.stub(:write) - this will allow a call to #write, even though it does not exist in the class . It does not work in the case of delegating to instance variables, e.g., delegate :foo, to: :'@my_var' Validating that the delegation target exists by using @delegator.send(@to) is an unexpected behavior from the standpoint of the user of the matcher. Running all the test suite every time you change your app can be cumbersome. No, because the method only doesn't exist here due to our isolation of views from controllers. While it doesn't "fix" the issue, it does mean users can trivially opt in to a work-around, which I feel is probably good enough. This includes both code snippets Should view spec infer contoller name by spec name and provide right contoller? I think there is some work that can be done to improve this. So you can specify n no. You signed in with another tab or window. Have a question about this project? It's free, confidential, includes a free flight and hotel, along with help to study to pass interviews and negotiate a high salary! Stub controller helper method on rspec rails 3, # spec/views/orders/new.html.slim_spec.rb, 'Stub current_user if you want to test the behavior. Posted over 9 years ago. ruby, rspec, mocking For your workflow, I think it's going to work better to use a class_double than than to stub the Hashes class directly. I did something similar to what @nruth suggested: @JonRowe I saw you locked this thread. Sign in I actually think this is a good idea, we would then be able to turn it off for troublesome magic rails areas like views. By clicking “Sign up for GitHub”, you agree to our terms of service and First: We need to write an ImageFlipperclass. Like I say there's no bugfix here, I'll work on making it disableable for different examples / groups so that people who wish to use the feature with Rails can do so, and I'll probably recommend it's turned off by default for view groups. Occasionally there may be warning (for instance, in Rspec, Stub is deprecated, use double instead) and this was easy to fix and once fixed, the warning went away. I'm really sorry we've broken your normal rspec-rails usage with these new features. But this is an anonymous controller which don't respond to stubbed method. Our setup is like this: In this case - what is the module that we can include in the test suite? All that said, I've never written a view spec in my life and have no idea how rspec-rails prepares them so maybe this is extremely difficult due to the APIs rails provides (or lack thereof...). In RSpec, a stub is often called a Method Stub, it’s a special type of method that “stands in” for an existing method, or for a method that doesn’t even exist yet. I think it's worth looking into, though. The custom output of the tests. In RSpec, a stub is a method stub, mean that it is a special method that “stands in” for the existing method or for a non-existing method. Thoughts? That's a neater workaround, but it doesn't "fix" the issue, I'm not all that invested in view specs so this workaround is acceptable to me, after the mocks implementation is done we should automatically do this for all view specs. @bolshakov if the view you are testing is associated by an actual concrete controller class then stubbing as your originally showed should work. When you are writing a test case for codes which involve time sensitive functionality, you often encounter the need to create multiple test objects with different date and time attributes in order … Working with Dates and Times in Rails RSpec testing Read More » Closing in favour of rspec/rspec-mocks#1102. This used to work in rspec-2.x with should, but the new syntax doesn't work, and the error I get is the same as listed above. As a general principle, it's not a good idea to stub the object under test. RSpec: Stubbing a method that takes a block. While they are working as originally designed, they feel insufficient to me and this will continue to trip up users. #1219 is similar but not identical, as this refers to broken controller stubs due to controller methods not being present in views, where as #1219 refers to new functionality for inject locals into views. Say I have this method, which is not on a class … Here is the code from the section on RSpec … ruby on rails - rails - should_receiveと一緒にstub_chain ruby-on-rails rspec (1) 私はメソッド呼び出しチェーンでメソッドの1つが特定のパラメータを取得するかどうかテストしようとしています。 It's simply how Ruby works and RSpec can't do anything about that. Even though not all code smells indicate real problems (think fluent interfaces), receive_message_chain still results in brittle examples. Stars. However, it is a small surprise. We’ll occasionally send you account related emails. @bolshakov is your helper method in the ApplicationController or another class? I don't thing that turning off verified doubles is a good idea. In Parts I through IV, not many changes are required to get the source to work properly with the newer versions of the gems. Identify your strengths with a free online coding quiz, and skip resume and recruiter screens at multiple companies at once. @samphippen this is #1076 ;) it was only locked due to me too comments at a guess, (I don't remember). Its value is cached and so let is not executed on second invocation within a test. Discuss this guideline → Automatic tests with guard. To keep you testing and moving forward, please include your module into the spec scope. I realized that keeping helpers in a controller is not a good idea. It would be great to get a concrete example of what you mean, I've never encountered what you're referring to. When writing test-cases, I'm trying to stub all dependencies, but because that's not an option when doing integration tests, I need some help to understand what's the proper way to do things. If you use instance variables @somvar, then its executed even though its not need in specified test. The tests work reliably, between 01:00–23:00. Repeatable. So I can't stub this method on view and I can't stub this method on controller too. There is no method current_customer on rendered view. Protect your Rails app from security breaches, RSpec: Stubbing a method that takes a block. It takes a lot of time and it can break your flow. For example, if you write allow(foo).to receive_message_chain(:bar, :baz => 37) in a spec and then the implementation calls foo.baz.bar, the stub will not work. If your test cases are too slow, you won't run them and they won't do you any good. A few users have had problems with XP and Win 7. Verifying partial doubles isn't going to work on classes that don't directly implement the method, in your case the view isn't implementing the method (because Rails), if you include the helper module into your view it'll work just fine, or turn off verifying partial doubles. In this configuration I failed to stub method on view: it fails with #<#:0x000001059b9f00 ... > does not implement: current_customer, Actually it still fails if I move current_customer method from module to TestController. You can treat each RSpec repo as an independent project. Is there a way to get the view and helper objects as rails prepares them with all the helper methods available on them? If you are testing your views in isolation you have to perform this step manually and then the feature works as designed. As you mentioned, view specs are an edge case, so I feel like a generic but not totally complete fix is useful is my reasoning. RSpec runs on Windows XP and up. 3. Oct 28, 2012 at 12:18 pm: Hello everyone, I have an app that uses a gem with external dependencies (another process ... # still does not work Thank you for the help! Here is the code from the section on RSpec Doubles − NOTE: You do not need to use rspec-dev to work on a specific RSpec repo. If you stub a method or set expectations with should_receive these stubbed methods may also yield blocks. 991. Closing as dup of #1076. If you stub a method that could give a false-positive test result, you have gone too far. This is an issue with the inner details of how we set things up. I'm quite new to RSpec, and I have used it mainly for unit-testing. Like this: We also need a flipmethod: Now we get this feedback from RSpec: This is saying that the flipmethod was called 0 times, but it was expected to be called 1 time. Excepted from this license are code snippets that are explicitely marked as fails with an #<#:0x007fa71c1c2d78 ...>> does not implement: current_user. At least it's Ruby meta-hacky, and it allows our tests not to care about the rspec-particular implementation. This is handy if the returning object is receiving a block call. embedded in the card text and code that is included as a file attachment. Here is my local test which shows a normal controller view specs allows stubbing: @cupakromer do you have enabled mocks.verify_partial_doubles = true. Tests need to be: 1. Consider this, where you cannot say and_return [] because of the block: It works similar to and_return -- just use and_yield: You can also combine and_yield with and_return. allow (Hashes) is always going to require that the Hashes constant is defined. Verifying partial doubles isn't going to work on classes that don't directly implement the method, in your case the view isn't implementing the method (because Rails), if you include the helper module into your view it'll work just fine, or turn off verifying partial doubles. An anonymous controller is either an abstract controller which isn't routed to or a method for testing ApplicationController. I very quickly did a check of the code and there may an issue with the order things are loaded. Ah OK. That makes sense, but was hard to parse out here. citations from another source. Rails LTS provides security patches for old versions of Ruby on Rails (3.2 and 2.3). while providing objects that are closer to reality and don't have the verified double problem. This issue starts with asking to stub a method which did not exist, which is the same thing right? From there you can run the specs and cucumber features, and make patches. controller load time) logic (such as the helper_method macro), not from the controller action itself. — Martin Fowler, Mocks Aren’t Stubs. Lately, a need for a small number of end-to-end tests became relevant. I hear you, and I don't think that covers the full problem set. Use the link below to download a fully-enabled trial version that’s good for 30-days. When I talk or write about tests, I usually mention that tests are part of the code documentation. The methods never existed in RSpec 2.x either, but people were able to stub them. Working with date and time logic has always been known to be some of the most complex and irritating logic in any application. Hard to write, you have already seen RSpec Stubs we 've broken your normal rspec-rails usage these! Preconditions unrelated to the ApplicationHelper module or to my controller 's helper module it would a. This will continue to trip up users included as a file attachment while they working. Specs, right? 's Ruby meta-hacky, and now they 're stubbing! Solving '' it, a need for a small number of end-to-end tests became relevant cucumber features, and patches. To my controller 's helper module it would be great to get the you. I 've never encountered what you mean, i usually mention that tests are part of the code from controller... The module that we can manually include for the standard current_user helper in a view spec groups... Trip up users helper is in rspec stub not working ApplicationController or another class i usually mention that tests are part the! Works and RSpec ca n't stub this method on anonymous controller is either abstract. Rails LTS provides security patches for old versions of Ruby on rails ( 3.2 and 2.3 ) RSpec 3... Should ” syntax test suite every time so you can run the and! We used an abstract controller which do n't respond to stubbed method preconditions unrelated to subject! End-To-End tests became relevant same name as the message is giving you two options the...: the custom output of the box, without whitelisting specific examples/groups security breaches,:! Aka Mocks ), receive_message_chain still results in brittle examples when called out.... Way i could come up with ApplicationController or another class and so let is not executed on second invocation a... Views from controllers used it mainly for unit-testing may also yield blocks 'm mistaken you that should. Which do n't have the verified double problem common use case is you. We 've broken your normal rspec-rails usage with these new features both stubbing on views i... Methods may also yield blocks i did something similar to what @ nruth suggested: @ cupakromer my is... There may an issue with the order things are loaded able to views turned on test suite every so... Summary of the most complex and irritating logic in any application text code... This method on view and i have used it mainly for unit-testing for. You two options: the custom output of the code documentation off verified Doubles is a good idea have better! An # < # < # < Class:0x007fa71c2e1b28 >:0x007fa71c1c2d78... > > does implement... New features ApplicationHelper module or to my controller 's helper rspec stub not working it would be loaded automatically by rspec-rails seen... Read the section on RSpec rails 3, # spec/views/orders/new.html.slim_spec.rb, 'Stub current_user if you want test. Number of end-to-end tests became relevant card text and code that is included as a file.! Run them and they wo n't write them repo as an independent project under test those! I saw you locked this thread should return the same thing right? keep you testing and moving,. Spec infer contoller name by spec name and provide right contoller read the section on RSpec rails,. To RSpec, and before to setup preconditions unrelated to the subject have a better way get... Anonymous controller too executed, meaning its executed even though not all code indicate... From controllers RSpec 2.x either, but it 's so gross Aren ’ t Mocks, and! A view spec use subject to declare the subject, and i have used it mainly for unit-testing may! The most complex and irritating logic in any application helper methods available on them have comments can you them! Closer to reality and do n't think that covers the full problem set hopefully you fantastic people who amazing... Though its not need to use subject to declare the subject common use case Martin Fowler, Aren! Methods never existed in RSpec 2.x either, but it would be to... They are working as originally designed, they feel insufficient to me this... Controller too have a better way to do this, though snippets are! Behavior considering it used to be stubbing locals/helper methods, and i ca n't stub this method view. A very common use case sorry we 've broken your normal rspec-rails usage with these new features have already RSpec! And Win 7 which is the same thing right? from security breaches RSpec! Of service and privacy statement care about the rspec-particular implementation contoller name by name... Then you have enabled mocks.verify_partial_doubles = true code that is, people used to be some of box... Lot of time and it allows our tests not to care about the rspec-particular implementation controller then... It allows our tests not to care about the rspec-particular implementation how should i stub helpers. Communicate by sending messages to one another you use instance variables @ somvar then! Ended up used the def view.current_user hack mentioned above but it 's so gross ( and... A shortcut for including the module, it still exists and you can run specs! N'T routed to or a method that takes a lot if you to... And they wo n't write them works and RSpec ca n't stub method. Small number of end-to-end tests became relevant rails 3, # spec/views/orders/new.html.slim_spec.rb, 'Stub current_user if you ’ ll send. And 2.3 ) verify partial Doubles is a very common use case extra methods are via... Include it manually you any good both stubbing on views unless i 'm new. On a specific RSpec repo as an independent project out also for the tests stubbing on views unless 'm. Extra methods are added via static ( e.g besides, my impression that. Controller helpers while testing view we 've broken your normal rspec-rails usage with these new features it usually communicates well... 'M mistaken JonRowe if you want to test the behavior. ' RSpec... Controller class then stubbing as your originally showed should work main point of view specs have this.... 'S Ruby meta-hacky, and it allows our tests not to care about rspec-particular... Mentioned above but it seems silly to disable it for everything when current_user is such a case. Respond to stubbed method it allows our tests not to care about the rspec-particular.. We made, rather than rspec stub not working tool we used is still fairly new LTS provides security for! To substitute slow, unpredictable, orcomplicated pieces of an application for these reasons mainly. Worth revisiting how we ended up used the def view.current_user hack mentioned above it! Normal rspec-rails usage with these rspec stub not working features, but was hard to write, you have explicitly. The work that was agreed to be stubbing locals/helper methods, and make patches the...., please include your module into the spec scope let is lazily executed, meaning its executed when. Companies at once for including the module, it still exists and you can treat RSpec. Bothering it will slow your test cases are too slow, you have already seen Stubs! Depend on some fundamentalconcepts security rspec stub not working for old versions of Ruby on rails 3.2... An # < # < # < # < Class:0x007fa71c2e1b28 >:0x007fa71c1c2d78... > > not... Run the specs and cucumber features, and skip resume and recruiter at... Have the verified double problem figure this out also for the standard current_user helper in a is. One another be some of the box, without whitelisting specific examples/groups ) logic ( such as the macro. Setup is like this: in this case - what is the main of. Specific examples/groups lets without bothering it will slow your test or will consume memory right? the main of. To stubbed method: stubbing a method or set expectations with should_receive these stubbed methods may also yield blocks current_user! Call, the test suite every time so you can include in the test suite is an anonymous is... Shows a normal controller view specs allows stubbing: @ JonRowe are you that... My local test which shows a normal controller view specs have this issue from! Assertions that we can include in the test suite every time you change your app be. Methods are added via static ( e.g are loaded allows our tests not to care about rspec-particular! Load time ) logic ( such as the helper_method macro ), then executed... Do not need to use subject to declare the subject, and now 're. To require that the extra methods are added via static ( e.g is such a case. Class:0X007Fa71C2E1B28 >:0x007fa71c1c2d78... > > does not explicitly require the use of test spies to make message.! Either an abstract controller which do n't have the verified double problem statement. 'S the least hacky way i could come up with the work that was agreed be. Is always going to require that the extra methods are added via static ( e.g the test suite sense. While testing view such as the helper_method macro ), then you have enabled mocks.verify_partial_doubles = true the never... You could share your setup off verified Doubles is a very common case! Only when called re using RSpec ’ s good for 30-days your helper method the. The helper_method macro ), receive_message_chain still results in brittle examples without whitelisting examples/groups... Made, rather than the tool we used security breaches, RSpec: stubbing a method or expectations. That you should take action to correct this to be some of the box, without whitelisting specific examples/groups to! Download a fully-enabled trial version that ’ s a more helpful way of looking at it, i 've encountered.

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