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I'm trying to learn rspec. I can't seem to test a rails controller method. When I call the method in the test, rspec just returns an undefined method error. Here is my test example
it 'should return 99 if large' do GamesController.testme(1000).should == 99 end and here is the error:
Failure/Error: GamesController.testme(1000).should == 99 NoMethodError: undefined method `testme' for GamesController:Class I do have a testme method in the GamesController. I don't understand why the test code cannot see my methods.
Any help is appreciated.
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The currently accepted way to test rails controllers is by sending http requests to your application and writing assertions about the response. Rails has ActionDispatch::IntegrationTest which provides integration tests for Minitest which is the Ruby standard library testing framework.
Running tests by their file or directory names is the most familiar way to run tests with RSpec. RSpec can take a file name or directory name and run the file or the contents of the directory. So you can do: rspec spec/jobs to run the tests found in the jobs directory.
Unit tests of controller logic. Unit tests involve testing a part of an app in isolation from its infrastructure and dependencies. When unit testing controller logic, only the contents of a single action are tested, not the behavior of its dependencies or of the framework itself.
RSpec is a testing tool for Ruby, created for behavior-driven development (BDD). It is the most frequently used testing library for Ruby in production applications. Even though it has a very rich and powerful DSL (domain-specific language), at its core it is a simple tool which you can start using rather quickly.
I think the correct way is this:
describe GamesController do it 'should return 99 if large' do controller.testme(1000).should == 99 end end In a rails controller spec, when you put the controller class in describe, you can use controller method to get an instance :P
Obviously, if testme method is private, you still have to use controller.send :testme
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