What is unit testing and how do you do it? - Stack Overflow
2009年3月16日 · Unit testing simply verifies that individual units of code (mostly functions) work as expected. Usually you write the test cases yourself, but some can be automatically generated. The output from a test can be as simple as a console output, to a "green light" in a GUI such as NUnit, or a different language-specific framework. Performing unit ...
user interface - How can I unit test a GUI? - Stack Overflow
Unit testing. You write tests for functions or small units of GUI behaviour. For example, your graphs may need to calculate different shades of a colour based on a 'base' colour. You can extract this calculation to a function and write a unit test for it.
How should I unit test multithreaded code? - Stack Overflow
2020年12月21日 · Using Coyote, you can easily test the concurrency and other nondeterminism in your C# code, by writing what we call a concurrency unit test. These look like your regular unit tests, but can reliably test concurrent workloads (such as actors, tasks, or concurrent requests to ASP.NET controllers). In regular unit tests, you would typically avoid ...
unit testing - How do you test that a Python function throws an ...
2008年9月24日 · 21. If you are using Python 3, in order to assert an exception along with its message, you can use assertRaises in context manager and pass the message as a msg keyword argument like so: import unittest. def your_function(): raise RuntimeError('your exception message') class YourTestCase(unittest.TestCase):
How to write unit tests for database calls - Stack Overflow
2009年8月2日 · The whole point of a unit test is to test a unit (duh) in isolation. The whole point of a database call is to integrate with another unit (the database). Ergo: it doesn't make sense to unit test database calls. You should, however, integration test database calls (and you can use the same tools you use for unit testing if you want).
java - How to do unit test for Exceptions? - Stack Overflow
2010年7月22日 · Now to unit test this, you create a "mock" implementation of the ILocalDetails interface whose getLocalHost() method throws the exception you want under the appropriate conditions. Then you create a unit text for SomeClass.getServerName() , arranging that the instance of SomeClass uses an instance of your "mock" class instead of the normal one.
Unit testing controller methods which return IActionResult
Assuming something like the. var orders = repository.All(); return Ok(orders); the controller in this case is returning an OkObjectResult class. Cast the result to the type of what you are returning in the method and perform your assert on that. // arrange. var controller = new OrdersController(new MockRepository());
C# "internal" access modifier when doing unit testing
1530. Internal classes need to be tested and there is an assembly attribute: using System.Runtime.CompilerServices; [assembly:InternalsVisibleTo ("MyTests")] Add this to the project info file, e.g. Properties\AssemblyInfo.cs, for the project under test. In this case "MyTests" is the test project.
c# - How do I use Assert to verify that an exception has been …
2009年6月1日 · This works for Visual Studio Team Test (a.k.a MSTest) While dealing with databases or http transaction. System should throw an exception somewhere, using Assert.ThrowExceptionAsync<> () will catch the your Throw event. (In these cases, Assert.ThrowException<> () does not catch the exception).
c# - Unit Test with Generics types - Stack Overflow
2019年1月5日 · Find the desired member to be invoked by name. var method = serviceType.GetMethod ("ReadFileCsv"); and using the provided type arguments for the generic arguments. var genericMethod = method.MakeGenericMethod (t, tmap); The generic member can be invoked on the service instance with the passed arguments.