![]() Please note this code is overly simplistic for demonstration purposes. For simplicity, it has only two methods, one that actually prompts the user (which would be used by all the other methods) and the one we are going to test, which prompts and filters out only yes and no answers. Let's start with a class that prompts the user. so that the test has a control point over the inputs. You can stub out those sections of code, allowing the rest of the code to be tested. Test stub is a way to replace the real component with the fake one which you have created. If you have questions or find our mistakes in above tutorial, do leave a comment below to let us know.Sometimes there are sections of code that are difficult to test, such as accessing a database, or interacting with the user. If you like our post, please follow us on Twitter and help spread the word. Hopefully this simple tutorial helped you with your development. If you are looking for more, checkout the The Grumpy Programmer's PHPUnit Cookbook. The purpose of the mock is not to be interested in the return value. Unlike the Stub a Mock can throw exceptions if it does not receive the correct calls. If the simulation is not done as many times as expected the test will fail. We can make it check that the method is called x times like never. ![]() You should have gained enough knowledge on PHPUnit to start implementing unit tests on your code. A mock is a duplicate that checks expectations. We have completed the PHPUnit Beginner series. ![]()
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