Experience and write good unit test code does not have any relationship, Writing good test strictly based on the intent behind the test.
a unit test is basically done to examine how the various pieces of the system work together, and how it integrates with the architecture. So the most integral part of the unit tests to remember why you are doing the test.
In order to assist you with this process, let us look at the unit tests in detail and what the best practices to be followed for success.
What Unit Testing?
Unit testing is essentially covered any small function of your software. Verify the behavior of one of the components of your software that is independent of other parts. In Unit Testing there are basically three sections:
Initialization: A small piece of an application is initialized to be tested. This application is generally called the SUT (System Under Test).
Stimulus: After initialization, the stimulus applied to the application being tested. This is usually done by applying methods that will contain the code to test the functionality of the SUT.
Results: After the stimulus is applied to the SUT, and then came the results. The actual results should be compared with the expected results. If it passes then the function works well again you need to find out the problems that exist in the system under test.
Best practices to be followed when writing Unit Tests:
While you write unit tests, it is very important that you write your tests in a way that should follow best practices. Appearance Let’s look at it in detail.
The test must be isolated
Test cases should be independent of each other. You can set up a test case in the manner specified by you. You can determine the cluster — a short or a long run test cases. Each test must be orthogonal in such a way that it should be independent of other test cases.
If it does not happen then any change in the behavior of a test case will affect some tests. You can achieve this by following one simple rule “Do not try to add a statement that is not necessary.”
You must have a statement in accordance with the specific behavior of the application. They should be isolated and can be run in isolation and do not have to have a dependency on other external factors.
The scenario examines the addition of zeros to the numbers. The multiplication function statement should not be included in this test step.
Good Practice Testing Unit will be:
High speed
Unit tests are designed by the developers so that they can repeatedly run them so as to ensure that no bugs are introduced in the application.
If the test is going slower then it will add to the time of execution of test cases. One test later will make a difference in the implementation of the overall suite of unit test cases.
Thus, the developer must make use of best coding practices so that the execution time can be reduced exponentially.
Test unit test code is bad. Execution will be slow because we do not use the concept of flow increases exponentially speed code execution.
The use of flow in the unit test code is a very good practice. This increases the speed of execution.
high Readability
A test unit should be readable and clear. You should know the story of the functions that the test unit will be tested.
It really should demonstrate that “it is a testing scenario” and if the test will fail, then you have to remove the idea that why it failed.
You should be able to resolve the problem in a short time. Test cases should not be too complicated and they should be structured so as to increase the reading test.
You must have a logical name for each variable and test cases. This name should show you test the operation and function.
Each test and variable can not have a fancy name or a name that is not relevant. You can not have names such as “Show Logical Exception” to the variable or exam. This name has no significance attached to it.
Designing both of the Tests
You should treat your tests with the same care as you treat your production test. You have to combine both techniques in designing your framework used for testing.
For example, there should be a low coupling between the test code and the production. You must remove dead code to improve test efficiency.
You have to manage with good memory along with time efficiency. A good code base that will set you back factoring and maintenance so much easier in the future.
Meanwhile, if you are going to have a bad suite then that will make your life worsens when you find the code you do not adapt to change.
high Reliability
unit tests should fail if there are some bugs in the system. They should not fail unless there is a bug.
But sometimes, developers face a situation where the test failed even when there are no bugs.
Sometimes when you run a single test then passed as if you run it in the unit test suite then that test case failed. Sometimes, tests migrate to the continuous integration server, the test begins to fail.
It shows that there are some errors in the system design. Good unit tests should be independent of external factors that can be environmental or engine test runs.
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Conclusion
This way, if you will follow the practices of a good coding unit, you will not have problems in the maintenance of the code in this stage of life.
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Life would be much easier for you. Just follow the practice and you will really feel the difference in the timing of implementation. All the best!!
