Mockito is a Mock framework for Java single-testing, but it can also be used with other single-testing frameworks in addition to JUnit. Mockito changes the behavior of a class or object, allowing us to focus more on testing the code logic without the effort of constructing the data. The basic concept Mocks can be of two types, Class and Partial,so Mockito is called spy. The behavior of changing methods on mock objects is called Stub. A Mock process is called a Mock Session, and it records all the Stubbing. It consists of three steps: +----------+ +------+ +--------+ | Mock/Spy | ===> | Stub | ===> | Verify | +----------+ +------+ +--------+ Class Mock A Class Mock changes the behavior of a Class so that the object it mocks completely loses its original behavior. Method returns default values (null, false, 0, etc.) if it is not pegged. The most basic usage is as follows: 1 2 3 4 5 6 7 8 9 10 11 12 import static org.mockito.Mockito.*; // use List.class to cre
I. Concept of system architecture By Edward Crawley, Bruce Cameron, And Daniel Selva co-authored SYSTEM ARCHITECTURE: Strategy and Product Development for Complex Systems. In the book, the word "system" is defined in this way: a system is a set of entities and their relationships, whose functions are greater than the sum of their respective functions. In other words, the function has to be 1+1>2, which is called emergence. For example, a pile of bricks and wood cannot provide shelter from the wind and rain, but they can form a warm house. The function of the house is greater than the sum of the functions of the pile of materials, so the house is a system. Now that you know what a system is, let's look at what a system architecture does: 1) Determine the form and function of the system. To put it bluntly, it's analyzing requirements. 2) Determine the entities, forms, and functions of the entities in the system. It's dividing up the system. To accomplish this tas
https://www.baeldung.com/junit-5-migration According to this blog what I study for the Junit 4 and Junit5: JUnit 5 is a powerful and flexible update to the JUnit framework, providing various improvements and new capabilities to organize and describe test cases and to help understand test results. Upgrade to JUnit 5 is quick and easy: Just update your project dependencies and start using the new functionality. JUnit 4 bundles everything into a single JAR file. JUnit 5 consists of three sub-projects, namely JUnit Platform, JUnit Jupiter, and JUnit Vintage. 1. JUnit platform It defines TestEngine's API for developing new testing frameworks that run on the platform. 2.JUnit Jupiter It has all the new JUnit annotations and TestEngine implementations to run tests written with those annotations. 3.JUnit Vintage Support for running tests written by JUnit 3 and JUnit 4 on the JUnit 5 platform. But here are four strong reasons to start writing new test cases with JUnit 5: JUnit 5 takes advan
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